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Neutron capture cross section of Zr90: Bottleneck in the s-process reaction flow

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Neutron capture cross section of Zr90: Bottleneck in the s-process reaction flow (EN)
Calvino, F (EN)
Santos, C (EN)
Lamboudis, C (EN)
Rullhusen, P (EN)
Audouin, L (EN)
Wendler, H (EN)
Rubbia, C (EN)
Koehler, P (EN)
Dridi, W (EN)
Plag, R (EN)
Fujii, K (EN)
Savvidis, I (EN)
Cortes, G (EN)
Vlachoudis, V (EN)
Berthoumieux, E (EN)
Mastinu, P (EN)
Ferreira-Marques, R (EN)
Kossionides, E (EN)
Sarchiapone, L (EN)
Tagliente, G (EN)
Cano-Ott, D (EN)
Andrzejewski, J (EN)
Domingo-Pardo, C (EN)
Becvar, F (EN)
Tavora, L (EN)
Jericha, E (EN)
Baumann, P (EN)
Rauscher, T (EN)
Tain, JL (EN)
Eleftheriadis, C (EN)
Heil, M (EN)
Salgado, J (EN)
Wisshak, K (EN)
Colonna, N (EN)
Plompen, A (EN)
Terlizzi, R (EN)
Neves, F (EN)
Lopes, I (EN)
Marrone, S (EN)
Bisterzo, S (EN)
Herrera-Martinez, A (EN)
Tassan-Got, L (EN)
Mosconi, M (EN)
Patronis, N (EN)
Furman, W (EN)
Lozano, M (EN)
Plukis, A (EN)
Rudolf, G (EN)
Wiescher, M (EN)
Cennini, P (EN)
Chiaveri, E (EN)
Reifarth, R (EN)
Chepel, V (EN)
Gallino, R (EN)
Mengoni, A (EN)
Vincente, MC (EN)
Igashira, M (EN)
Papadopoulos, C (EN)
Gunsing, F (EN)
Villamarin, D (EN)
Capote, R (EN)
Karadimos, D (EN)
Krticka, M (EN)
Massimi, C (EN)
Pavlopoulos, P (EN)
Haight, R (EN)
Lindote, A (EN)
Walter, S (EN)
Quesada, J (EN)
Calviani, M (EN)
Guerrero, C (EN)
Ferrant, L (EN)
Alvarez-Velarde, F (EN)
Kadi, Y (EN)
Vaz, P (EN)
Kappeler, F (EN)
Ventura, A (EN)
Pretel, C (EN)
Aerts, G (EN)
Paradela, C (EN)
Haas, B (EN)
Pigni, MT (EN)
Oberhummer, H (EN)
Badurek, G (EN)
Vlastou, R (EN)
Cox, J (EN)
Praena, J (EN)
Gramegna, F (EN)
Pancin, J (EN)
Perrot, L (EN)
Gonzalez-Romero, E (EN)
Ferrari, A (EN)
Embid-Segura, M (EN)
Dahlfors, M (EN)
Vannini, G (EN)
Karamanis, D (EN)
Abbondanno, U (EN)
David, S (EN)
Alvarez, H (EN)
Martinez, T (EN)
Duran, I (EN)
Pavlik, A (EN)
Dillman, I (EN)
Goncalves, I (EN)
Moreau, C (EN)
Stephan, C (EN)
Assimakopoulos, P (EN)
O'Brien, S (EN)
Couture, A (EN)
Papachristodoulou, C (EN)
Leeb, H (EN)
Kerveno, M (EN)
Voss, F (EN)
Carrapico, C (EN)
Poch, A (EN)
Andriamonje, S (EN)
Marganiec, J (EN)
Milazzo, PM (EN)
Lukic, S (EN)
journalArticle (EN)
2014-03-01T01:28:51Z
2008 (EN)
The neutron capture cross sections of the Zr isotopes have important implications in nuclear astrophysics and for reactor design. The small cross section of the neutron magic nucleus Zr90, which accounts for more than 50% of natural zirconium represents one of the key isotopes for the stellar s-process, because it acts as a bottleneck in the neutron capture chain between the Fe seed and the heavier isotopes. The same element, Zr, also is an important component of the structural materials used in traditional and advanced nuclear reactors. The (n,γ) cross section has been measured at CERN, using the n_TOF spallation neutron source. In total, 45 resonances could be resolved in the neutron energy range below 70 keV, 10 being observed for the first time thanks to the high resolution and low backgrounds at n_TOF. On average, the Γγ widths obtained in resonance analyses with the R-matrix code SAMMY were 15% smaller than reported previously. By these results, the accuracy of the Maxwellian averaged cross section for s-process calculations has been improved by more than a factor of 2. © 2008 The American Physical Society. (EN)
Physics, Nuclear (EN)
SYSTEM (EN)
VALENCE COMPONENT (EN)
MASSIVE STARS (EN)
EVOLUTION (EN)
ENERGY RANGE (EN)
FACILITY (EN)
NUCLEOSYNTHESIS (EN)
Cross Section (EN)
N-TOF (EN)
GIANT BRANCH STARS (EN)
ZR ISOTOPES (EN)
Physical Review C - Nuclear Physics (EN)
English
AMER PHYSICAL SOC (EN)
National Technical University of Athens
Digital Library of National Technical University of Athens | Dspace@NTUA
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