Publications Repository - Helmholtz-Zentrum Dresden-Rossendorf
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Approved and published publications
Only approved publications
High-K bands in the 168Yb region
Oliveira, J. R. B.; Frauendorf, S.; Deleplanque, M. A.; Cederwall, B.; Diamond, R. M.; Macchiavelli, A. O.; Stephens, F. S.; Burde, J.; Draper, J. E.; Duyar, C.; Rubel, E.; Becker, J. A.; u. a.
- Physical Review C 50 (1994) pp. 1360
Permalink: https://www.hzdr.de/publications/Publ-677
Wave functions, evolution equations and evolution kernels from light-ray operators of QCD
Müller, D.; Robaschik, D.; Geyer, B.; Dittes, F.-M.; Horejsi, J.
- Fortschritte der Physik 42 (1994) pp. 101
Permalink: https://www.hzdr.de/publications/Publ-676
Evidence for simultaneous breakup in reactions with relativistic alpha-projectiles
Lips, V.; Barth, R.; Oeschler, H.; Avdeyev, S. P.; Karnaukhov, V. A.; Kuznetsov, L. A.; Petrov, L. A.; Bochkarev, O. V.; Chulkov, L. V.; Kuzmin, E. A.; Karcz, W.; Neubert, W.; Norbeck, E.; Gross, C. J.
- Physics Letters B 338 (1994) pp.141
Permalink: https://www.hzdr.de/publications/Publ-675
Multifragmentation induced by relavistic alpha-projectiles
Lips, V.; Barth, R.; Oeschler, H.; Avdeyev, S. P.; Karnaukhov, V. A.; Kuznetsov, L. A.; Petrov, L. A.; Bochkarev, O. V.; Chulkov, L. V.; Kuzmin, E. A.; Karcz, W.; Neubert, W.; Norbeck, E.
- Physical Review Letters 72 (1994) pp. 1604
Permalink: https://www.hzdr.de/publications/Publ-673
Collective motion in selected central collisions of Au on Au at 150 A MeV
Jeong, S. C.; Herrmann, N.; Fan, Z. G.; Freifelder, R.; Gobbi, A.; Hildenbrand, K. D.; Krämer, M.; Randrup, J.; Reisdorf, W.; Schüll, D.; Sodan, U.; Teh, K.; Wessels, J. P.; Pelte, D.; Wohlfarth, D.; u. a.
- Physical Review Letters 72 (1994) pp. 3468
Permalink: https://www.hzdr.de/publications/Publ-672
Bubble free energy in a first-order phase transition
Jenkovszky, L. L.; Kämpfer, B.; Sysoev, V. M.
- Jadernaja fizika 57 (1994) pp. 187
Permalink: https://www.hzdr.de/publications/Publ-671
Selforganization in the nuclear system and irreversibility
Iskra, W.; Müller, M.; Rotter, I.
- Progress of Theoretical Physics (Suppl.) 116 (1994) pp. 385
Permalink: https://www.hzdr.de/publications/Publ-670
Collective expansion in central Au + Au collisions
Hsi, W. C.; Kunde, G. J.; Pochodzalla, J.; Lynch, W. G.; Tsang, M. B.; Begemann-Blaich, M.; Bowman, D. R.; Charity, R. J.; Cosmo, A.; Ferrero, A.; Gelbke, C. K.; Glasmacher, T.; u. a.
- Physical Review Letters 73 (1994) pp. 3367
Permalink: https://www.hzdr.de/publications/Publ-669
Verfahren zur Messung der integralen Massenfeuchte in Zweiphasenströmungen
Hensel, F.; Enghardt, W.; Prasser, H.-M.
Es wird ein Verfahren zur Messung der Massenfeuchte von in Rohrleitungen geführten Zweiphasenströmungen (gasförmig/flüssig) mit kleinem Massenstromanteil der flüssigen Phase (<30%) beschrieben, dadurch gekennzeichnet, dass die Positronen in die Strömung emittiert werden und die bei der Annihilation der in die Strömung emittierten Positronen entstehende Gamma-Strahlung in Abhängigkeit von der Entfernung des Annihilationsortes von der Positronenquelle gemessen wird und dadurch, dass die Form der Reichweitenverteilung der Positronen zur Bestimmung der Massenfeuchte verwendet wird.
-
Patent
DE P 4 423 665 A1
Downloads
Permalink: https://www.hzdr.de/publications/Publ-668
Consequences of neutron-proton interaction on backbending
Frauendorf, S.; Sheikh, A.; Rowley, N.
- Physical Review C 50 (1994) pp. 196
Permalink: https://www.hzdr.de/publications/Publ-667
The response of a large CsI(Tl) detector particles and heavy ions in the intermediate energy range
Fomichev, A. S.; David, I.; Lukyanov, S. M.; Penionzhkevich, Y. E.; Skobelev, N. K.; Tarasov, O. B.; Matthies, A.; Ortlepp, H.-G.; Wagner, W.; Lewitowicz, M.; Saint-Laurent, M. G.; u. a.
- Nuclear Instruments and Methods in Physics Research A 344 (1994) pp. 378
Permalink: https://www.hzdr.de/publications/Publ-666
High-lying three-quasiparticle bans and signature splitting in 81Rb
Döring, J.; Schwengner, R.; Funke, L.; Rotter, H.; Winter, G.; Cederwall, B.; Lidén, F.; Johnson, A.; Atac, A.; Nyberg, J.; Sletten, G.
- Physical Review C 50 (1994) pp. 1845
Permalink: https://www.hzdr.de/publications/Publ-665
Long-time behavior of the semiclassical baker's map
Dittes, F.-M.; Doron, E.; Smilansky, U.
- Physical Review E 49 (1994) pp. R963
Permalink: https://www.hzdr.de/publications/Publ-664
Interpretation of bands in 163Er within the tilted rotation scheme
Brockstedt, A.; Lytkens-Lindén, J.; Bergström, M.; Eckström, L. P.; Ryde, H.; Barcelar, J. C.; Garrett, J. D.; Hagemann, G. B.; Herskind, B.; May, F. R.; Tjom, P. O.; Frauendorf, S.
- Nuclear Physics A 571 (1994) pp. 337
Permalink: https://www.hzdr.de/publications/Publ-663
Dielectron production as a probe for nuclear exotic states and nuclear interactions at intermediate energies
Bratkovskaya, E. L.; Titov, A. I.; Kämpfer, B.
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Book (Authorship)
"Hadrons and Nuclei from QCD" World Scientific Singapore, New Jersey, London, Hong Kong (1994) pp. 1
Permalink: https://www.hzdr.de/publications/Publ-662
Hadron sources of the lepton pair production in proton-deuteron interaction at the initial energies 1-5 GeV
Bratkovskaya, E. L.; Kämpfer, B.; Molochkov, A. V.; Reznik, B. L.; Titov, A. I.
- Jadernaja fizika 57 (1994) pp. 924
Permalink: https://www.hzdr.de/publications/Publ-661
Flavour-kinetic model for particle production in ultra-relativistic heavy-ion collisions
Barz, H.-W.; Friman, B. L.; Knoll, J.; Schulz, H.
-
Book (Authorship)
"Statistical Description of Transport in Plasma, Astro- and Nuclear Physics" Nova Science Publishers, Inc., 1994, pp. 407
Permalink: https://www.hzdr.de/publications/Publ-660
"Sears bands" in 199Pb and 200Pb
Baldsiefen, G.; Hübel, H.; Korten, W.; Willsau, P.; Grawe, H.; Heese, J.; Kluge, H.; Maier, K. H.; Schubart, R.; Frauendorf, S.; Maier, H. J.
- Nuclear Physics A 574 (1994) pp. 521
Permalink: https://www.hzdr.de/publications/Publ-659
Temporal and thermal properties of intermediate-mass fragments from teh 32S + 58Ni reaction at 30 A MeV
Tutay, A.; Budzanowski, A.; Fuchs, H.; Homeyer, H.; Pausch, G.; Schwarz, C.; Siwek, A.; Taymaz, A.
- Acta Physica Polonica B 26 (1995) pp. 1413
Permalink: https://www.hzdr.de/publications/Publ-658
K- - meson production in proton-nucleus collisions
Sibirtsev, A.; Büscher, M.; Müller, H.; Schneidereit, C.
K- - meson production in proton-nucleus interactions at projectile energies up to 15 GeV is studied. As a first step the available data on K- - meson production in pp interactions are compared with different parametrizations and results of model calculations. Because of considerable uncertainties in the current descriptions of the energy dependence of the elementary K- cross section a new parametrization is suggested. Experimental data on K- production in pA collisions are analyzed in the framework of the Rossendorf-Collision and folding models. Satisfactory descriptions of the momentum spectra at forward angles are achieved. From an analysis of the A dependence it can be concluded that K- mesons are well suided to investigate final-state interactions for particles interacting strongly with the residual nucleus. Furthermore, we propose experimental studies on K- production close to threshold. Such measurements are particularly sensitive to contributions from secondary processes or from multi-nucleon interactions.
- Zeitschrift für Physik A 351 (1995) pp. 333
Permalink: https://www.hzdr.de/publications/Publ-657
Plans for investigations of subthreshold K+ production in p+A collisions
Schult, O. W. B.; Sistemich, K.; Koptev, V.; Müller, H.; Cassing, W.; Jarczyk, L.; Komarov, V. I.; Sibirtsev, A.; Ernst, J.; Santo, R.; Nioradze, M.; Kulikov, A. V.; Hardt, A.; Dshemuchadse, S.; Leege, K.-W.; u. a.
We plan to investigate sub-threshold K+ production in proton bombardment of atomic nuclei in order to study the reaction mechanism through a measurement of the double differential cross section and of K+ p and K+ d coincides. The status of the theoretical studies is summarized, and the spectrometer to be installed in the COSY ring is briefly described.
- Nuclear Physics A 583 (1995) pp. 629
Permalink: https://www.hzdr.de/publications/Publ-656
In-beam spectroscopy and shell model structure of the neutron deficient 103In and 100, 102Cd
Schubart, R.; Grawe, H.; Górska, M.; Fitzgerald, J. B.; Heese, J.; Kluge, H.; Maier, K. H.; Rejmund, M.; Schramm, M.; Severyniak, D.; Spohr, K.; Käubler, L.
- Physica Scripta T56 (1995) pp. 311
Permalink: https://www.hzdr.de/publications/Publ-655
Electromagnetic fission of 238U at 600 and 1000 MeV per nucleon
Rubehn, T.; Müller, W. F. J.; Bassini, R.; Begemann-Blaich, M.; Blaich, T.; Ferrero, A.; Gross, C. J.; Immé, G.; Iori, I.; Kunde, G. J.; Kunze, I.; Lindenstruth, V.; Lynen, U.; Zwieglinski, B.; u. a.
- Zeitschrift für Physik A 353 (1995) pp. 197
Permalink: https://www.hzdr.de/publications/Publ-654
The FOPI Detector at SIS/GSI
Ritman, J. L.
- Nuclear Physics B (Proc. Suppl.) 44 (1995) pp. 708
Permalink: https://www.hzdr.de/publications/Publ-653
On the transverse momentum distribution of strange hadrons produced in relativistic heavy ion collisions
Ritman, J. L.; Herrmann, N.; Best, D.; Alard, J. P.; Amouroux, V.; Bastid, N.; Belayev, I. M.; Berger, L.; Biegansky, J.; Buta, A.; Caplar, R.; Cindro, N.; Coffin, J. P.; Crochet, P.; Dona, R.; Wohlfarth, D.; u. a.
- Zeitschrift für Physik A 352 (1995) pp. 355
Permalink: https://www.hzdr.de/publications/Publ-652
Sideward flow in Au + Au collisions at 400 A MeV
Ramillien, V.; Dupieux, P.; Alard, J. P.; Amouroux, V.; Bastid, N.; Berger, L.; Boussange, S.; Fraysse, L.; Ibnouzahir, M.; Montarou, G.; Montbel, I.; Pras, P.; Basrak, Z.; Belayev, I. M.; u. a.
- Nuclear Physics A 587 (1995) pp. 802
Permalink: https://www.hzdr.de/publications/Publ-651
Evidence for collective expansion in light-particle emission following Au + Au collisions at 100, 150 and 250 A MeV
Poggi, G.; Pasquali, G.; Bini, M.; Maurenzig, P.; Olmi, A.; Taccetti, N.; Alard, J. P.; Amouroux, V.; Basrak, Z.; Bastid, N.; Belayev, I. M.; Berger, L.; Blaich, T.; Boussange, S.; u. a.
- Nuclear Physics A 586 (1995) pp. 755
Permalink: https://www.hzdr.de/publications/Publ-650
Probing the nuclear liquid-gas phase transition
Pochodzalla, J.; Möhlenkamp, T.; Rubehn, T.; Schüttauf, A.; Wörner, A.; Zude, E.; Begemann-Blaich, M.; Blaich, T.; Emling, H.; Ferrero, A.; Gross, C. J.; Immé, G.; Iori, I.; u. a.
- Physical Review Letters 75 (1995) pp. 1040
Permalink: https://www.hzdr.de/publications/Publ-649
Multifragmentation and flow: peripheral vs. central collisions
Pochodzalla, J.; Begemann-Blaich, M.; Blaich, T.; Bowman, D. R.; Charity, R. J.; Cosmo, A.; Ferrero, A.; Gelbke, C. K.; Hsi, W. C.; Hubele, J.; Immé, G.; Iori, I.; u. a.
- Nuclear Physics A 583 (1995) pp. 553
Permalink: https://www.hzdr.de/publications/Publ-648
Cluster formation during expansion of hot and compressed nuclear matter produced in central collisions of Au on Au at 250 A MeV
Petrovici, M.; Buta, A.; Alard, J. P.; Amouroux, V.; Basrak, Z.; Bastid, N.; Berger, L.; Blaich, T.; Wohlfarth, D.; u. a.
- Physical Review Letters 74 (1995) pp. 5001
Permalink: https://www.hzdr.de/publications/Publ-647
Study of high-spin states in 181,182Os
Kutasarova, T.; Lieder, R. M.; Schnare, H.; Hebbinghaus, G.; Balabanski, D.; Gast, W.; Krämer-Flecken, A.; Bentley, M. A.; Fallon, P.; Howe, D.; Mokhtar, A. R.; Frauendorf, S.
- Nuclear Physics A 587 (1995) pp. 111
Permalink: https://www.hzdr.de/publications/Publ-646
Fragment flow and the multifragmentation phase space
Kunde, G. J.; Hsi, W. C.; Kunze, W. D.; Schüttauf, A.; Wörner, A.; Begemann-Blaich, M.; Blaich, T.; Bowman, D. R.; Charity, R. J.; Cosmo, A.; Ferrero, A.; Gelbke, C. K.; Hubele, J.; u. a.
- Physical Review Letters 74 (1995) pp. 38
Permalink: https://www.hzdr.de/publications/Publ-645
Interplay of collective flow phenomena and velocity correlations of intermediate-mass fragments in collisions of Au + Au at E = (100-400) A MeV
Kotte, R.; Kämpfer, B.; Mösner, J.; Neubert, W.; Wohlfarth, D.; Alard, J. P.; Amouroux, V.; Basrak, Z.; Bastid, N.; Belayev, I. M.; Berger, L.; Blaich, T.; Boussange, S.; Buta, A.; Caplar, R.; Cerruti, C.; Cindro, N.; Coffin, J. P.; Dona, R.; Dupieux, P.; Erö, J.; Fan, Z. G.; Fintz, P.; Fodor, Z.; Fraysse, L.; Freifelder, R.; Frolov, S.; Gobbi, A.; Grigorian, Y.; Guillaume, G.; Herrmann, N.; Hildenbrand, K. D.; Hölbling, S.; Houari, O.; Ibnouzahir, M.; Jeong, S. C.; Jundt, F.; Kecskemeti, J.; Koncz, P.; Korchagin, Y.; Krämer, M.; Kuhn, C.; Legrand, I.; Lebedev, A.; Manko, V.; Matulewicz, T.; Mgebrishvili, G.; Moisa, D.; Montarou, G.; Montbel, I.; Pelte, D.; Petrovici, M.; Pras, P.; Rami, F.; Ramillien, V.; Reisdorf, W.; Sadchikov, A.; Schüll, D.; Seres, Z.; Sikora, B.; Simion, V.; Smolyankin, S.; Sodan, U.; Teh, K.; Tezkratt, R.; Trzaska, M.; Vasiliev, M. A.; Wagner, P.; Wessels, J. P.; Wienold, T.; Wilhelmi, Z.; Zhilin, A. V.
- Physical Review C, Vol. 51, Number 5, May 1995, pp. 2686-2699
Permalink: https://www.hzdr.de/publications/Publ-644
"Shears Bands" in Pb nuclei - a new nuclear structure effect
Korten, W.; Baldsiefen, G.; Neffgen, M.; Hübel, H.; Chmel, S.; Pohler, W.; van Severen, U. J.; Willsau, P.; Frauendorf, S.; Meng, J.; Grawe, H.; Heese, J.; Kluge, H.; Maier, K. H.; Schubart, R.; Spohr, K.
- Physica Scripta T56 (1995) pp. 44
Permalink: https://www.hzdr.de/publications/Publ-643
In-Beam Study of 109Sn
Käubler, L.; Prade, H.; Reif, J.; Schwengner, R.; Winter, G.; Grawe, H.; Heese, J.; Kluge, H.; Maier, K. H.; Schubart, R.; Spohr, K.
In-beam spectroscopic investigations of 109Sn have been performed
using the reactions 55Mn(58Ni,3pn) and 106Cd(alpha,n)
with E58Ni= 240 MeV and Ealpha=23 MeV, respectively.
An extended level scheme of 109Sn is presemted showing high-spin
states up to Ex ca. 8 MeV with Jpi=(41/2+).
The problem of the 109Sn ground state has been solved identifying
a 12.8 keV transition deexciting the 7/2+ state to the 5/2+
g.s. A half-life of T1/2=7(1) ns has been measured for
the 17/2+ state at Ex=2114 keV. The experimental
data are compared with the predictions of shell-model calculations.
- Physica Scripta T56 (1995) pp. 266
Permalink: https://www.hzdr.de/publications/Publ-642
The proton g9/2 isomer in the N=50 nucleus 87Rb and M2 transition rates in 85,87Rb
Käubler, L.; Protochristov, C.; Michailova, M.; Reif, J.; Andrejtscheff, W.; Funke, L.; Kostova, L.; Prade, H.; Schwengner, R.; Winter, G.
ow-lying states of the N=50 nucleus 87Rb have been investigated
in the (alpha, alpha') reaction measuring gamma gamma- and delayed gamma-rf-coincidences.
A half-life of T1/2=6(1) ns was obtained for the level at 1578.1
keV. This experimental result confirms the 9/2+ assignement
and the proton 1g9/2 single-particle character of this state.
Experimental M2 transition strengths in 85,87Rb are compared
with predictions of the shell model and the particle-core coupling mwodel.
- Zeitschrift für Physik A 352 (1995) pp. 127
Permalink: https://www.hzdr.de/publications/Publ-641
High-spin states in 109Sn and their decay to the ground state
Käubler, L.; Prade, H.; Reif, J.; Schwengner, R.; Winter, G.; Grawe, H.; Heese, J.; Kluge, H.; Maier, K. H.; Schubart, R.; Spohr, K.
An extended level scheme of 109Sn is presented showing high-spin
states up to Ex ca. 8 MeV and spins up to Jpi=(41/2+).
Their decay to the 5/2+ ground state has been observed identifying
a 12.8 keV 7/2+ -> 5/2+ transition. A half life of
T1/2=7(1) ns has been measured for the 17/2+ state
at Ex=2114 keV. The experimental data are compared with the
predictions of shell-model calculations.
- Zeitschrift für Physik A 351 (1995) pp. 123
Permalink: https://www.hzdr.de/publications/Publ-640
Matwej Bronstein und die Anfänge der Quantengravitation
Gorelik, G.; Rotter, H.
- Physikalische Blätter 51 (1995) pp. 423
Permalink: https://www.hzdr.de/publications/Publ-639
Entropy in central Au + Au reactions beetween 100 and 400 A MeV
Dzelalija, M.; Kotte, R.; Mösner, J.; Neubert, W.; Wohlfarth, D.; u. a.
- Physical Review C 52 (1995) pp. 346
Permalink: https://www.hzdr.de/publications/Publ-638
Low-spin termination of the superdeformed band in 135Nd
Deleplanque, M. A.; Frauendorf, S.; Clark, D. L.; Diamond, R. M.; Stephens, F. S.; Becker, J. A.; Brinkmann, M. J.; Cederwall, B.; Fallon, P.; Farris, L. P.; Henry, E. A.; Hubel, H.; Hughes, J. R.; Korten, W.; Lee, I. Y.; Macchiavelli, A. O.; Stoyer, M. A.; Willsau, P.; Draper, J. E.; Duyar, C.; Rubel, E.
- Physical Review C 52 (1995) pp. R2302
Permalink: https://www.hzdr.de/publications/Publ-637
Multifragmentation of spectators in relativistic heavy-ion reactions
Botvina, A. S.; Mishustin, I. N.; Begemann-Blaich, M.; Hubele, J.; Immé, G.; Iori, I.; Kreutz, P.; Kunde, G. J.; Kunze, W. D.; Lindenstruth, V.; Lynen, U.; Moroni, A.; Müller, W. F. J.; Ogilvie, C. A.; Pochodzalla, J.; Raciti, G.; Rubehn, T.; Sann, H.; Schüttauf, A.; Seidel, W.; Trautmann, W.; Wörner, A.
- Nuclear Physics A 584 (1995) pp. 737-756
Permalink: https://www.hzdr.de/publications/Publ-636
Shears bands in 201Pb and 202Pb
Baldsiefen, G.; Maagh, P.; Hübel, H.; Korten, W.; Chmel, S.; Neffgen, M.; Pohler, W.; Grawe, H.; Maier, K. H.; Spohr, K.; Schubart, R.; Frauendorf, S.; Maier, H. J.
- Nuclear Physics A 592 (1995) pp. 365
Permalink: https://www.hzdr.de/publications/Publ-635
Mining Relics as Sources of Natural Radioactivity - Release of Radon from Uranium Mill Tailings
Baraniak, L.; Mende, A.
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Book (Authorship)
Hrsg.: Winter, M., Wicke, A., "Umweltradioaktivität, Radioökologie und Strahleneinwirkungen" Verlag TÜV Rheinland, 1 (1993) pp. 76
Permalink: https://www.hzdr.de/publications/Publ-634
Characterisation of Oxide Layers Formed by Hydrothermal Chromate Treatment
Thieme, M.
- Corros. Sci. 34 (1993) pp. 1557
Permalink: https://www.hzdr.de/publications/Publ-633
Transformation of Titanium Carbide Precipitations under Hydrothermal Conditions
Thieme, M.; Scharnweber, D.; Stephan, T.
- Corros. Sci. 34 (1993) pp. 383
Permalink: https://www.hzdr.de/publications/Publ-632
The Hydrothermal Chromate Treatment of Carbon Steel. The Electrochemical and Surface Analytical Characterisation of Protecting Oxide Layers
Thieme, M.; Scharnweber, D.
- Corros. Sci. 34 (1993) pp. 363
Permalink: https://www.hzdr.de/publications/Publ-631
Degradation of 3,3',4,4'-Tetrachlorobiphenyl by selected white rot fungi
Vyas, B. R. M.; Sasek, V.; Matucha, M.; Bubner, M.
- Chemosphere 28 (1994) 6 pp. 1127-34
Permalink: https://www.hzdr.de/publications/Publ-630
The effects of radiolysis upon speciation and solubility of neptunium in brine solutions
Silber, H. B.; Nitsche, H.; Gatti, R. C.; Gehmecker, H.; Feige, G.; Bucher, J. J.; Edelstein, N. M.
- Radiochimica Acta 66/67 (1994) pp. 15
Permalink: https://www.hzdr.de/publications/Publ-629
Near-threshold behavior of the K-shell satellites in CO
Reich, T.; Heimann, P. A.; Petersen, B. L.; Hudson, E. A.; Hussain, Z.; Shirley, D. A.
- Physical Review A 49 (1994) 6 pp. 4570-77
Permalink: https://www.hzdr.de/publications/Publ-628
Long term plutonium solubility and speciation studies in a synthetic brine
Nitsche, H.; Roberts, K.; Xi, R.; Prussin, T. G.; Becraft, I.; Mahamid, A.; Silber, H. B.; Carpenter, S. A.; Gatti, R. C.
- Radiochimica Acta 66/67 (1994) pp. 3
Permalink: https://www.hzdr.de/publications/Publ-627
Comparison of chemical extractions and laser photoacoustic spectroscopy for the determination of plutonium species in carbonate solution
Neu, M. P.; Hoffmann, D. C.; Roberts, K.; Nitsche, H.; Silva, R. J.
- Radiochimica Acta 66/67 (1994) pp. 251
Permalink: https://www.hzdr.de/publications/Publ-626
Structural Investigations on Pyrolysed Polycarbosilanes
Martin, H. P.; Irmer, G.; Schuster, G.; Müller, E.
- Fresenius' Journal of Analytical Chemistry 349 (1994) pp. 160
Permalink: https://www.hzdr.de/publications/Publ-625
Thermochromatographic studies of heavy actinides in metal columns
Hübener, S.; Eichler, B.; Gäggeler, H. W.
- Journal of Alloys and Compounds 213/214 (1994) pp. 429
Permalink: https://www.hzdr.de/publications/Publ-624
Toward a soft x-ray fourier-transform spectrometer
Howells, M. R.; Frank, K.; Hussain, Z.; Moler, E. J.; Reich, T.; Möller, D.; Shirley, D. A.
- Nuclear Instruments and Methods in Physics Research A 347 (1994) pp. 182-191
Permalink: https://www.hzdr.de/publications/Publ-623
Neutron and X-Ray Investigations on the Oxygen Bonding in YBa2Cu3O7-x combined with Physico-chemical Methods
Große, M.; Schuster, G.; Teske, K.; Anwand, W.; Henkel, K.
- Fresenius' Journal of Analytical Chemistry 349 (1994) pp. 231-233
Permalink: https://www.hzdr.de/publications/Publ-622
Distribution of uranium and radionuclides in a uranium-mining rockpile in Schlema, Saxony, Germany
Geipel, G.; Thieme, M.; Bernhard, G.; Nitsche, H.
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Radiochimica Acta 66/67 (1994) pp. 305
DOI: 10.1524/ract.1994.6667.special-issue.305 -
Poster
Migration '95
Permalink: https://www.hzdr.de/publications/Publ-621
Synthesis of the 14C-labelled juwenoid W 328
Ebert, T.; Havlicek, L.; Wimmer, Z.; Bubner, M.
- Journal of Labelled Compounds and Radiopharmaceuticals XXXIV, 377 (1994)
Permalink: https://www.hzdr.de/publications/Publ-620
Operating and strategy for the decommissioning of the radiochemical plant AMOR-I
Bernhard, G.; Friedrich, H.-J.; Boeßert, W.; Eckardt, A.
- Kerntechnik 59 (1994) 3 pp.135
Permalink: https://www.hzdr.de/publications/Publ-619
Thermochromatographic Studies of Oxide and Hydroxide Species of Molybdenum - Model Experiments with Respect to the Physico-chemical Characterization of Element 106
Vahle, A.; Hübener, S.; Eichler, B.
- Radiochimica Acta 69 (1995) pp. 233
Permalink: https://www.hzdr.de/publications/Publ-618
Environmental Applications of XANES: Speciation of Tc in Cement after Chemical Treatment and Se after Bacterial Uptake
Shuh, D. K.; Kaltsoyannis, N.; Bucher, J. J.; Edelstein, N. M.; Clark, D. L.; Nitsche, H.; Reich, T.; Hudson, E. A.; Mahamid, A.; Torretto, P.; Lukens, W. W.; Roberts, K.; Yee, B. C.; Carlson, D. E.; Yee, A.; Buchanan, B. B.; Leighton, T.; Yang, W.-S.; Bryan, J. C.
- Mater. Res. Soc. Symp. Proc. 344 (1995)
Permalink: https://www.hzdr.de/publications/Publ-617
X-Ray Photoelectron Study of the Interaction of UO2(CIO4)2 with Calcite Diabase Minerals in Water Solutions
Teterin, Y. A.; Nefedov, V. I.; Ivanov, K. E.; Baev, A. S.; Geipel, G.; Reich, T.; Nitsche, H.
- Dokl. Akademii Nauk 344 (1995) pp. 206 (in Russian)
- Surface Investigations 13, 613 (1998)
Permalink: https://www.hzdr.de/publications/Publ-616
Synchrotron X-ray Absorption Spectroscopy: a New Tool for Actinide and Lanthanide Speciation in Solids and Solution
Nitsche, H.
- Journal Alloys and Compounds 223 (1995) pp. 274
Permalink: https://www.hzdr.de/publications/Publ-615
Silicon Carbide Derived from Silica Sol and Sugar
Martin, H. P.; Müller, E.; Knoll, Y.; Strienitz, R.; Schuster, G.
- Journal of Materials Science Letters 14 (1995) pp. 620
Permalink: https://www.hzdr.de/publications/Publ-614
A XANES and EXAFS Investigation of the Speciation of Selenite following Bacterial Metabolization
Buchanan, B. B.; Bucher, J. J.; Carlson, D. E.; Edelstein, N. M.; Hudson, E. A.; Kaltsoyannis, N.; Leighton, T.; Lukens, W. W.; Shuh, D. K.; Nitsche, H.; Reich, T.; Roberts, K.; Torretto, P.; Woicik, J.; Yang, W.-S.; Yee, A.; Yee, B. C.
- Inorganic Chemistry 34 (1995) pp. 1617
Permalink: https://www.hzdr.de/publications/Publ-613
Complexation of plutonium(V) with nitrilotracetic acid
Mahamid, A.; Becraft, I.; Nitsche, H.
- Radiochimica Acta 68 (1995) pp. 63
Permalink: https://www.hzdr.de/publications/Publ-612
Electronic and Structural Investigations of Technetium Compounds by X-ray Absorption Spectroscopy
Mahamid, A.; Bryan, J. C.; Bucher, J. J.; Burrell, A. K.; Edelstein, N. M.; Hudson, E. A.; Kaltsoyannis, N.; Lukens, W. W.; Shuh, D. K.; Nitsche, H.; Reich, T.
- Inorganic Chemistry 34 (1995) pp. 193
Permalink: https://www.hzdr.de/publications/Publ-611
Multinuclear NMR, Raman, EXAFS, and X-ray diffraction studies of uranyl carbonate complexes in near-neutral aqueous solution. X-ray structure of [C(NH2)3]6[(UO2)3(CO3)6].cntdot.6.5H2O
Allen, P. G.; Bucher, J. J.; Clark, D. L.; Edelstein, N. M.; Ekberg, S. A.; Gohdes, J. W.; Hudson, E. A.; Kaltsoyannis, N.; Lukens, W. W.; Neu, M. P.; Palmer, P. D.; Reich, T.; Shuh, D. K.; Tait, C. D.; Zwick, B. D.
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Inorganic Chemistry 34 (1995) pp 4797-4807
DOI: 10.1021/ic00123a013
Cited 183 times in Scopus
Permalink: https://www.hzdr.de/publications/Publ-610
Theoretische Modellierung des Druckbehälters und der Druckbehältereinbauten eines Siedewasserreaktors (SWR), Abschlußbericht
Altstadt, E.; Scheffler, M.; Weiß, F.-P.
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Forschungszentrum Rossendorf; FZR-147 (nur für den internen dienstlichen Gebrauch), August 1996
ISSN: 1436-3976
Permalink: https://www.hzdr.de/publications/Publ-609
Modifizierung mechanischer und korrosiver Oberflächeneigenschaften von Magnesium durch Ionenimplantation
Chudoba, T.
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Forschungszentrum Rossendorf; FZR-143 (Dissertation an der Fakultät Mathematik und Naturwissenschaften der TU Dresden)
ISSN: 1436-3976
Downloads
Permalink: https://www.hzdr.de/publications/Publ-608
Synthesis of "3+1"-mixed-ligand oxorhenium(V) complexes containing modified 3,17ß-Estradiol
Wüst, F.; Spies, H.; Johannsen, B.
- Bioorganic and Medicinal Chemistry Letters 6 (1996) 22 pp.2729-2734
Permalink: https://www.hzdr.de/publications/Publ-607
Layered structure diagnostic and optical modelling of c-BN
Plass, M.; Fukarek, W.; Kolitsch, A.; Möller, W.
- Nuclear Instruments and Methods in Physics Research B 127/128 (1997) 857
Permalink: https://www.hzdr.de/publications/Publ-606
The nuclear liquid-gas phase transition: Present status and future perspectives
Pochodzalla, J.; Immé, G.; u. a.; Begemann-Blaich, M.; u. a.; Möhlenkamp, T.; Seidel, W.; Kunze, W. D.; Schüttauf, A.; Kunde, G. J.; u. a.; Bassini, R.; u. a.; Trzcinski, A.; Zwieglinski, B.
-
Other report
GSI-Preprint-96-31
Permalink: https://www.hzdr.de/publications/Publ-605
LAST MINUTE FROM ALADIN: Temperature measurements in Au+Au reactions at relativistic energies
Immé, G.; u. a.; Begemann-Blaich, M.; u. a.; Möhlenkamp, T.; Seidel, W.; Kunze, W. D.; Schüttauf, A.; Pochodzalla, J.; Kunde, G. J.; Gaff, S.; Bassini, R.; u. a.; Trzcinski, A.; Zwieglinski, B.
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Other report
GSI-Preprint-96-30, Juli 1996
Permalink: https://www.hzdr.de/publications/Publ-604
Determination of critical exponents in nuclear systems
Müller, W. F. J.; u. a.; Bassini, R.; u. a.; Blaich, T.; Immé, G.; u. a.; Kunze, W. D.; u. a.; Möhlenkamp, T.; Seidel, W.; Trzcinski, A.; u. a.
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Other report
GSI-Preprint-96-29
Permalink: https://www.hzdr.de/publications/Publ-603
Universaly of Spectator Fragmentation at Relativistic Bombarding Energies
Schüttauf, A.; u. a.; Kunze, W. D.; u. a.; Blaich, T.; Bowman, D. R.; u. a.; Charity, R. J.; u. a.; Cosmo, A.; u. a.; Ferrero, A.; u. a.; Immé, G.; u. a.; Möhlenkamp, T.; Seidel, W.; Trzcinski, A.; u. a.
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Other report
GSI-Preprint-96-26, Juni 1996 - Nuclear Physics A 607 (1996) pp. 457-486
Permalink: https://www.hzdr.de/publications/Publ-602
Focused ion beam system with high current density
Bischoff, L.; Hesse, E.; Janssen, D.; Naehring, F.; Nötzold, F.; Schmidt, G.; Teichert, J.
The project of the IMSA-100 focused ion beam system is presented. The main goal of the system is to archieve an ion current density > 10 A/cm2. The ion-optical column consists of a liquid metal ion source, two electrostatic lences, beam blanking plates, and two octupole stigmators. A lithium ion source has been developed.
- Microelectronic Engineering 13 (1991) pp. 367-370
Permalink: https://www.hzdr.de/publications/Publ-601
High current FIB system for micromechanics application
Bischoff, L.; Hesse, E.; Hofmann, G.; Naehring, F.; Probst, W.; Schmidt, B.; Teichert, J.
A high current Focused Ion Beam (FIB) system, designd to achieve current dendities above 10 A/cm2 is presented. The system parameters and properties are discussed and first applications in the field of micromechanics are shown.
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Microelectronic Engineering 21 (1993) pp. 197-200
DOI: 10.1016/0167-9317(93)90054-9
Cited 10 times in Scopus
Permalink: https://www.hzdr.de/publications/Publ-600
Measurement of the cerebral uptake and meta-bolism of L-6-[18F]Fluoro-3,4-dihydroxyphenylalanine (18FDOPA) in newborn piglets
Brust, P.; Bauer, R.; Bergmann, R.; Walter, B.; Steinbach, J.; Füchtner, F.; Will, E.; Linnemann, H.; Obert, M.; Zwiener, U.; Johannsen, B.
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Book (Authorship)
Neurochemistry: Cellular, Molecular, and Clinical Aspects, Book Article, Plenum Publishing Cooperation, Section 43: PET Imaging of Receptors;1149-1155
Permalink: https://www.hzdr.de/publications/Publ-599
A new type of band crossing at large deformation
Harder, A.; Dönau, F.; Lieb, K. P.; Cunningham, R. A.; Gelletly, W.; Gross, C. J.; Hannachi, F.; Kabadiyski, M. K.; Roth, H. A.; Rudolph, D.; Simpson, J.; Skeppstedt, Ö.; Varley, B. J.; Warner, D. D.
- Physics Letters B 374 (1996) pp. 277-282
Permalink: https://www.hzdr.de/publications/Publ-597
Optimization on Rugged Landscapes: A New General Purpose Monte Carlo Approach
Dittes, F.-M.
- Physical Review Letters 76 (1996) 25 pp. 4651-55
Permalink: https://www.hzdr.de/publications/Publ-596
First Observation of the Scissors Mode in a Gamma-Soft Nucleus: The Case of 196Pt
von Brentano, P.; Eberth, J.; Enders, J.; Esser, L.; Herzberg, R.-D.; Huxel, N.; Meise, H.; von Neumann-Cosel, P.; Nicolay, N.; Pietralla, N.; Prade, H.; Reif, J.; Richter, A.; Schlegel, C.; Schwengner, R.; Skoda, S.; Thomas, H. G.; Wiedenhöver, I.; Winter, G.; Zilges, A.
A nuclear resonance fluorescence experiment with one of the newly developed
highly efficient EUROBALL cluster detectors has been performed on the gamma-soft
nucleus 196Pt. Magnetic dipole excitations were observed between
2 and 3.5 MeV excitation energiy. They are interpreted as the main fragments
of the scissors mode based on the measured excitation strengths and branching
ratios. A strong gamma decay, which we believe to be an E2 decay of the
scissors mode to the 21
+ state, is observed. It allows
an extraction of the effective boson quadrupole charges in the interacting
boson model.
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Physical Review Letters 76 (1996) 12 pp. 2029-32
DOI: 10.1103/PhysRevLett.76.2029
Cited 82 times in Scopus
Permalink: https://www.hzdr.de/publications/Publ-595
Bericht der Frühjahrstagung der Studiengruppe für Elektronische Instrumentierung vom 25. bis 27. März 1996 in Karlsruhe
Gabriel, F.
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Forschungszentrum Rossendorf; FZR-141
ISSN: 1436-3976
Downloads
Permalink: https://www.hzdr.de/publications/Publ-594
Plasma source ion implantation of oxygen and nitrogen in aluminum
Günzel, R.; Wieser, E.; Richter, E.; Steffen, H. J.
- Journal of Vacuum Science and Technology Part B 12 (1994) 2
Permalink: https://www.hzdr.de/publications/Publ-593
Added Stiffness Relating to Small Motions of Two Concentric Cylinders Submitted to Axial Annular Incompressible Flow
Zoller, J.
Abstract
Axial incompressible, viscous flow is considered in an annular gap between two rigid cylinders. If the cylinders are displaced from their concentric positions in a certain manner, the displacement will cause reaction forces exerted by the fluid pressure. In this investigation the pressure fluctuations caused by the displacement of the structures are approximated by analytical means. Pressure fluctuations in phase with acceleration and velocity of the structure are not calculated here. Stationary flow is considered, because structural displacements are assumed to be small.
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Forschungszentrum Rossendorf; FZR-146 August 1996
ISSN: 1436-3976
Downloads
Permalink: https://www.hzdr.de/publications/Publ-592
Schwankungen des Massenstroms bei Druckentlastungsvorgängen
Lucas, D.; Prasser, H.-M.
Bei der linearen Stabilitätsanalyse des Abblaseprozesses aus Druckbehältern mit zweiphasigem, aufwallendem Medium wurden Instabilitätsbereiche mit starken Massenstrompulsationen in der Abblaseleitung gefunden. Entscheidender Mechanismus ist die Rückkopplung zwischen Gemischspiegelschwankung, kritischer Ausströmrate und Druckabfallgeschwindigkeit. Für die Stabilitätsanalyse wurden analytische Modelle zur Beschreibung des bertragungsverhaltens aufgestellt. Es wurden Nyquist-Diagramme für verschiedene Parameterkombinationen untersucht und so die Instabilitätsbereiche identifiziert. Die Schwingneigung wird durch hohe Gasgehalte an der Entlastungsarmatur, eine große Verzögerungszeit (Länge der Abblaseleitung) und geringe Höhen der Schaumzone befördert.
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Lecture (Conference)
3. Fachtagung "Anlagen-, Arbeits- und Umweltsicherheit", Köthen, 7.-8.11.1996 -
Contribution to proceedings
3. Fachtagung "Anlagen-, Arbeits- und Umweltsicherheit", Köthen, 7.-8.11.1996, Preprints, S. 233-240
Permalink: https://www.hzdr.de/publications/Publ-591
Investigations of an externally heated storage vessel
Aszodi, A.; Liewers, P.; Krepper, E.; Prasser, H.-M.
Storage tanks for fluids are widely used industrial facilities. As a consequence of an external fire, the heat-up of the inventory may lead to the evaporation of the liquid and to release of significant quantities of dangerous gases into the environment. Experimental investigations performed in FZ-Rossendorf have shown that the liquid inventory behaves very differently depending on the mode of heating. Bottom heating leads to an irregular thermoconvective motion of the liquid, which causes good mixing, so that saturation is reached at all places inside the tank approximately at the same time. The maximum enthalpy of the liquid always remains close to the average value. If the vessel is heated from the side, a stable temperature stratification is observed leading to large temperature gradients. Evaporation can start much earlier than the average temperature reaches saturation.
In order to clarify the physical nature of the details of the heating-up and the evaporation process in simple geometrical boundary conditions a two-dimensional mathematical model was developed, which includes also evaporation and two-phase flow. The aim of the simulations was, to understand the basic phenomena observed during the experiment.
To avoid fast temperature increase at the fluid surface in the case of side wall heating, the insertion of baffle plates inside the vessel was investigated by additional calculations using the CFD-code CFX-4.
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Poster
3. Fachtagung "Anlagen-, Arbeits- und Umweltsicherheit", Köthen, 7.-8.11.1996, Tagungsband S.251 - 258 -
Contribution to proceedings
3. Fachtagung "Anlagen-, Arbeits- und Umweltsicherheit", Köthen, 7.-8.11.1996, Tagungsband S.251 - 258
Permalink: https://www.hzdr.de/publications/Publ-590
Anwendung neuronaler Netze zur Identifizierung gefährlicher Betriebszustände in Chemieanlagen
Hessel, G.; Schmitt, W.; van der Vorst, K.; Weiß, F.-P.
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Other report
Preprint - GVC / VDI Fachtagung in Köthen, 7. - 8. November 1996, S. 141-147
Permalink: https://www.hzdr.de/publications/Publ-589
Thermal dilepton and open charm signals versus hard initial yields in heavy-ion collisions at RHIC and LHC energies
Kämpfer, B.; Pavlenko, O. P.
Abstract
The hard initial production of open charm and dileptons is compared with possible thermal signals in heavy-ion collisions at RHIC and LHC energies. Our approach is based on the perturbative QCD mini-jet mechanism of quark-gluon matter formation. The thermal dilepton signal is found to rise much stronger as compared to the hard Drell - Yan background with increasing collider energy and clearly dominates at LHC energy. Oppositely, open charm stems from initial hard production. A possible rnanifestation of gluon shadowing at RHIC and LHC energies is discussed.
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Forschungszentrum Rossendorf; FZR-144 Preprint
ISSN: 1436-3976 - Physics Letters B 391 (1997) pp. 185-190
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Permalink: https://www.hzdr.de/publications/Publ-588
Retropane - a new Rhenium-Complex as a potential Ligand to label the Dopamin-Transporter
Hoepping, A.; Spies, H.; Johannsen, B.
- Bioorganic and Medicinal Chemistry Letters 6 (1996) 23 pp. 2871-2874
Permalink: https://www.hzdr.de/publications/Publ-587
Technetium and Rhenium Complexes with Thioether Ligands, 5 Synthesis and Structural Characterization of Neutral Oxorhenium (V) Complexes with Tridentate Dithioethers
Pietzsch, H.-J.; Reisgys, M.; Spies, H.; Leibnitz, P.; Johannsen, B.
- Chemische Berichte, Recueil 1997, 130, 357-361
Permalink: https://www.hzdr.de/publications/Publ-586
Comparison of measured and calculated dose for plasma source ion implantation into 3-D objects
Mändl, S.; Barradas, N.; Brutscher, J.; Günzel, R.; Möller, W.
- Nuclear Instruments and Methods in Physics Research B 127/128 (1997) 996-999
Permalink: https://www.hzdr.de/publications/Publ-585
Pulsationen bei der Druckentlastung von Reaktoren
Lucas, D.
During two-phase blowdown from pressure vessels considerable pulsations of the discharged mass flow rate were found. Regions of instability were predicted by a linear stability analysis. The oscillations are caused by the following feedback circuit: boil up - level movement - void fraction of the discharging mixture - critical discharge rate - velocity of pressure decrease - boil up.
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Lecture (Conference)
ACHEMA '97, Frankfurt/M., 9.-14.6.1997
Permalink: https://www.hzdr.de/publications/Publ-583
Messung der Volumenströme Gas und Flüssigkeit in einer Zweiphasenströmung mit Ultraschall und Mustererkennung
Kossok, N.; Prasser, H.-M.; Schütz, P.
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Lecture (Conference)
Kraftwerkstechn. Kolloquium 1996, Dresden, 29.-30.10.96 -
Contribution to proceedings
Kraftwerkstechnisches Kolloquium, Dresden, 29. -30. Oktober 1996, Tagungsband S. 121
Permalink: https://www.hzdr.de/publications/Publ-582
Verhalten von Lagertanks bei externem Feuer
Krepper, E.; Aszodi, A.
Wenn ein zylindrischer Lagertank durch ein externes Feuer von der Seite intensiver Wärmeeinwirkung ausgesetzt ist, so setzt der Massenverlust infolge von Dampffreisetzung viel eher ein, als im Fall einer Wärmezuführung vom Behälterboden. Mittels eines vereinfachten Modells konnten die Details des Erwärmungsprozesses und die Ursachen für das unterschiedliche Verhalten in Abhängigkeit von der Art und Weise der Wärmezufuhr erklärt werden. Die ZUfuhr vom Boden führt zu einer irregulären thermischen Konvektion und damit einer guten Durchmischung des Fluids, so daß die Sättigungstemperatur an allen Punkten im Behälter nahezu gleichzeitig erreicht wird. Die maximale Enthalpie im Behälter verbleibt während der gesamten Zeit nahe dem Mittelwert. Wird der Behälter von der Seite beheizt, so bildet sich eine stabile horizontale Temperaturschichtung heraus. Die Bildung von Dampf erfolgt bereits lange bevor die mittlere Temperatur den Siedepunkt erreicht hat. Passive konstruktive Maßnahmen, wie der Einbau von Prallplatten, können die Schichtung stören, das verstärkte Aufheizen an der Oberfläche vermeiden und die Freisetzung von Dampf verzögern. Eine durchgreifende Vermischung des flüssigen Inhalts konnte jedoch nicht erreicht werden. Die genaue Gestalt und die Wirkung dieser Prallplatten hängt von der konkreten Behältergeometrie ab und läßt sich weiter optimieren.
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Lecture (Conference)
ACHEMA '97, Frankfurt/M., 9.-14.6.1997
Permalink: https://www.hzdr.de/publications/Publ-581
Untersuchung von Zweiphasenströmungen gasförmig / flüssig mit Positronenemittern
Hensel, F.
Die Methode der Positronen-Emissions-Tomographie (PET, Positron Emission Tomography) wird zur Untersuchung von Zweiphasenströmungen flüssig / gasförmig angewandt. PET ist ein bildgebendes Verfahren, das für die Nuklearmedizin entwickelt wurde. Im medizinischen Bereich wird diese Technik hauptsächlich als nichtinvasives Untersuchungsverfahren für die quantitative Erfassung von Stoffwechselvorgängen in-vivo genutzt. Die hier vorgestellten Untersuchungen zur Methodik der Anwendung von Radiotracern für Strömungsuntersuchungen wurden 1994 begonnen. Das Ziel der Arbeiten war die örtlich und zeitlich aufgelöste Erfassung von Vermischungs- und Transportprozessen sowie die Messung der Dichte von zweiphasigen Medien. Zur Dichtemessung wurde die Abhängigkeit der Positronenreichweite von der Dichte des Materials ausgenutzt. Bei den entsprechenden Experimenten kam eine örtlich fixierte Positronenquelle (45Ti) zum Einsatz. Desweiteren wurden Messungen zum Stofftransport in Blasenströmungen durchgeführt, hier wurden flüssige Tracer mit dem Nuklid 18F eingesetzt.
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Lecture (Conference)
XXVIII. Kraftwerkstechnisches Kolloquium und 6. Kolloquium Meßtechnik für Energieanlagen 1996, Dresden, 29.-30.10.96 -
Contribution to proceedings
in Kaiser, E.; Nöther, K. (Hrsg): Meßtechnik zur Untersuchung von Vorgängen in thermischen Energieanlagen. Tagung Dresden, 29./30. Oktober 1996. Beitragsmanuskripte Bd. 1 S. 101. ISBN 3-86005-168-7 -
Poster
XXVIII. Kraftwerkstechnisches Kolloquium und 6. Kolloquium Meßtechnik für Energieanlagen 1996, Dresden, 29.-30.10.96
Permalink: https://www.hzdr.de/publications/Publ-580
Determination of Crack-Initiation Toughness by Impact and Dynamic Testing
Richter, H.; Böhmert, J.; Viehrig, H.-W.
The critical J-integral (Jid) can be useful as toughness parameter at initiation of stable crack growth. Under the condition of the impact bending test the critical step for evaluating of Jid is the detection of the crack initiation point on the impact load displacement curve. In this paper the crack initiation is determined by using emission of acoustic waves (AE). The experimental techniques used to evaluate Jid include both instrumented impact testing based on 300 J pendulum impact tester with a piezoelectric broadband AE sensor within the impact tup and dynamic 3 point bending loading with a servohydraulic test machine and additional AE sensors on the specimen.
Different kind of pulses of the AE signals can be observed. One of them corresponds with crack initiation. The evidence of initiation at this point was confirmed by single and multiple specimen methods.
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Lecture (Conference)
Proc. of the 11th European Conference on Fracture - ECF 11, Poitiers-Futurscope, France, Sept. 1996, Vol. III, pp. 2001 - 2006 -
Contribution to proceedings
Proc. of the 11th European Conference on Fracture - ECF 11, Poitiers-Futurscope, France, Sept. 1996, Vol. III, pp. 2001 - 2006
Permalink: https://www.hzdr.de/publications/Publ-579
DYN3D - A 3-DIMENSIONAL CORE MODEL FOR STEADY STATE AND TRANSIENT ANALYSIS IN THERMAL REACTOR
Grundmann, U.; Rohde, U.
The 3D core model DYN3D developed firstly for analyses of transients in thermal reactors with hexagonal fuel assemblies was extended by a new version DYN3D/R for reactors with quadratic fuel elements. The method used in Cartesian geometry is described. Numerical results for benchmarks as the NEACRP rod ejection benchmarks are compared with the reference solutions. Results of uncontrolled withdrawal of control rod bank are shown. The efficiency of steady-state neutronic calculation by using multiprocessor workstation is presented.
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Lecture (Conference)
Int. Conf. on Physics of Reactors, 16.-20.9.1996, Mito, Japan, Proceedings pp. J-70 - J-79 -
Contribution to external collection
Int. Conf. on Physics of Reactors, 16.-20.9.1996, Mito, Japan, Proceedings pp. J-70 - J-79
Permalink: https://www.hzdr.de/publications/Publ-578
Preparation and Characterization of Novel Mixed-Ligand Complexes Bearing up to Four Ester Groups
Seifert, S.; Hoepping, A.; Klostermann, K.; Spies, H.; Johannsen, B.
- Applied Radiation and Isotopes, 48 (1997) 943-948
Permalink: https://www.hzdr.de/publications/Publ-577
Diphoton rates from thermalized matter resulting in ultra-relativistic heavy-ion collisions
Hentschel, M.; Kämpfer, B.; Pavlenko, O. P.; Redlich, K.; Soff, G.
Abstract
Diphoton radiation off strongly interacting matter resulting from ultrarelativistic heavy-ion collisions is estimated for SPS and RHIC conditions. At SPS emrgies tha thermal diphoton signal competes strongly with the Drell - Yan like background. For given charged-particle rapidity density a scenario with deconfinement transition predicts a larger diphoton yield than a scenario without phase transition. For RHIC energies we find that radiation from initially undersaturated (but gluon-rich) deconfined matter overwhelms the hadron gas and the Drell - Yan like diphotons in the invariant mass window 1 < M < 2.5 GeW. Due to this the so-called M1 scaling is approximately obtained and can serve as additional tsol for discriminating radiation from quark-gluon matter.
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Forschungszentrum Rossendorf; FZR-142 Preprint
ISSN: 1436-3976 -
Other report
GSI-Preprint-96-37, August 1996 - Z. Phys. C 75, 333-339 (1997)
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Permalink: https://www.hzdr.de/publications/Publ-576
Can hexadecapole deformation lead to Delta I = 2 staggering in superdeformed bands?
Dönau, F.; Frauendorf, S.; Meng, J.
- Physics Letters B 387(1996) pp. 667-672
Permalink: https://www.hzdr.de/publications/Publ-574
Pages: [1.] [2.] [3.] [4.] [5.] [6.] [7.] [8.] [9.] [10.] [11.] [12.] [13.] [14.] [15.] [16.] [17.] [18.] [19.] [20.] [21.] [22.] [23.] [24.] [25.] [26.] [27.] [28.] [29.] [30.] [31.] [32.] [33.] [34.] [35.] [36.] [37.] [38.] [39.] [40.] [41.] [42.] [43.] [44.] [45.] [46.] [47.] [48.] [49.] [50.] [51.] [52.] [53.] [54.] [55.] [56.] [57.] [58.] [59.] [60.] [61.] [62.] [63.] [64.] [65.] [66.] [67.] [68.] [69.] [70.] [71.] [72.] [73.] [74.] [75.] [76.] [77.] [78.] [79.] [80.] [81.] [82.] [83.] [84.] [85.] [86.] [87.] [88.] [89.] [90.] [91.] [92.] [93.] [94.] [95.] [96.] [97.] [98.] [99.] [100.] [101.] [102.] [103.] [104.] [105.] [106.] [107.] [108.] [109.] [110.] [111.] [112.] [113.] [114.] [115.] [116.] [117.] [118.] [119.] [120.] [121.] [122.] [123.] [124.] [125.] [126.] [127.] [128.] [129.] [130.] [131.] [132.] [133.] [134.] [135.] [136.] [137.] [138.] [139.] [140.] [141.] [142.] [143.] [144.] [145.] [146.] [147.] [148.] [149.] [150.] [151.] [152.] [153.] [154.] [155.] [156.] [157.] [158.] [159.] [160.] [161.] [162.] [163.] [164.] [165.] [166.] [167.] [168.] [169.] [170.] [171.] [172.] [173.] [174.] [175.] [176.] [177.] [178.] [179.] [180.] [181.] [182.] [183.] [184.] [185.] [186.] [187.] [188.] [189.] [190.] [191.] [192.] [193.] [194.] [195.] [196.] [197.] [198.] [199.] [200.] [201.] [202.] [203.] [204.] [205.] [206.] [207.] [208.] [209.] [210.] [211.] [212.] [213.] [214.] [215.] [216.] [217.] [218.] [219.] [220.] [221.] [222.] [223.] [224.] [225.] [226.] [227.] [228.] [229.] [230.] [231.] [232.] [233.] [234.] [235.] [236.] [237.] [238.] [239.] [240.] [241.] [242.] [243.] [244.] [245.] [246.] [247.] [248.] [249.] [250.] [251.] [252.] [253.] [254.] [255.] [256.] [257.] [258.] [259.] [260.] [261.] [262.] [263.] [264.] [265.] [266.] [267.] [268.] [269.] [270.] [271.] [272.] [273.] [274.] [275.] [276.] [277.] [278.] [279.] [280.] [281.] [282.] [283.] [284.] [285.] [286.] [287.] [288.] [289.] [290.] [291.] [292.] [293.] [294.] [295.] [296.] [297.] [298.] [299.] [300.] [301.] [302.] [303.] [304.] [305.] [306.] [307.] [308.] [309.] [310.] [311.] [312.] [313.] [314.] [315.] [316.] [317.] [318.] [319.] [320.] [321.] [322.] [323.] [324.] [325.] [326.] [327.] [328.] [329.] [330.] [331.] [332.] [333.] [334.] [335.] [336.] [337.] [338.] [339.] [340.] [341.] [342.] [343.] [344.] [345.] [346.] [347.] [348.] [349.] [350.]