Experimental neutron capture data of 58Ni from the CERN n_TOF facility

被引:0
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作者
Zugec, P. [1 ]
Barbagallo, M. [2 ]
Colonna, N. [2 ]
Bosnar, D. [1 ]
Altstadt, S. [3 ]
Andrzejewski, J. [4 ]
Audouin, L. [5 ]
Becares, V. [6 ]
Becvar, F. [7 ]
Belloni, F. [8 ]
Berthoumieux, E. [8 ,9 ]
Billowes, J. [10 ]
Boccone, V. [9 ]
Brugger, M. [9 ]
Calviani, M. [9 ]
Calvino, F. [11 ]
Cano-Ott, D. [6 ]
Carrapico, C. [12 ]
Cerutti, F. [9 ]
Chiaveri, E. [8 ,9 ]
Chin, M. [9 ]
Cortes, G. [11 ]
Cortes-Giraldo, M. A. [13 ]
Diakaki, M. [14 ]
Domingo-Pardo, C. [15 ]
Dressler, R. [16 ]
Duran, I. [17 ]
Dzysiuk, N. [18 ]
Eleftheriadis, C. [19 ]
Ferrari, A. [9 ]
Fraval, K. [8 ]
Ganesan, S. [20 ]
Garcia, A. R. [6 ]
Giubrone, G. [15 ]
Gomez-Hornillos, M. B. [11 ]
Goncalves, I. F. [12 ]
Gonzalez-Romero, E. [6 ]
Griesmayer, E. [21 ]
Guerrero, C. [9 ]
Gunsing, F. [8 ]
Gurusamy, P. [20 ]
Heinitz, S. [16 ]
Jenkins, D. G. [22 ]
Jericha, E. [21 ]
Kadi, Y. [9 ]
Kaeppeler, F. [23 ]
Karadimos, D. [14 ]
Kivel, N. [16 ]
Koehler, P. [24 ]
Kokkoris, M. [14 ]
机构
[1] Univ Zagreb, Fac Sci, Dept Phys, Zagreb 41000, Croatia
[2] Ist Nazl Fis Nucl, I-70126 Bari, Italy
[3] Goethe Univ Frankfurt, D-60054 Frankfurt, Germany
[4] Uniwersytet Lodzki, Lodz, Poland
[5] IPN, Ctr Natl Rech Sci IN2P3, Orsay, France
[6] Ctr Invest Energet Medioambientales & Technol, Madrid, Spain
[7] Charles Univ Prague, Prague, Czech Republic
[8] CEA Saclay Irfu, Gif Sur Yvette, France
[9] CERN, European Org Nucl Res, CH-1211 Geneva, Switzerland
[10] Univ Manchester, Manchester, Lancs, England
[11] Univ Politecn Cataluna, Barcelona, Spain
[12] Univ Tecn Lisboa, Inst Super Tecn, Inst Tecnol & Nucl, P-1096 Lisbon, Portugal
[13] Univ Seville, Seville, Spain
[14] Natl Tech Univ Athens, GR-10682 Athens, Greece
[15] Univ Valencia, CSIC, Inst Fis Corpuscular, E-46003 Valencia, Spain
[16] Paul Scherrer Inst, Villigen, Switzerland
[17] Univ Santiago de Compostela, Santiago De Compostela, Spain
[18] Ist Nazl Fis Nucl, Lab Nazl Legnaro, Legnaro, Italy
[19] Aristotle Univ Thessaloniki, GR-54006 Thessaloniki, Greece
[20] Bhabha Atom Res Ctr, Bombay 400085, Maharashtra, India
[21] Vienna Univ Technol, Atominst, Vienna, Austria
[22] Univ York, York YO10 5DD, N Yorkshire, England
[23] Karlsruhe Inst Technol, Inst Kernphys, D-76021 Karlsruhe, Germany
[24] Univ Oslo, Dept Phys, N-0316 Oslo, Norway
[25] Univ Vienna, Fac Phys, A-1010 Vienna, Austria
[26] ENEA, Agenzia Nazl Nuove Tecnol Energia & Sviluppo Econ, Bologna, Italy
[27] Univ Bologna, Dipartimento Fis & Astron, I-40126 Bologna, Italy
[28] Sez INFN Bologna, Bologna, Italy
[29] Ist Nazl Fis Nucl, Trieste, Italy
[30] Horia Hulubei Natl Inst Phys & Nucl Engn IFIN HH, Bucharest, Romania
[31] Inst Reference Mat & Measurements, European Commiss JRC, B-2440 Geel, Belgium
[32] Univ Basel, Dept Phys & Astron, Basel, Switzerland
[33] Ist Nazl Fis Nucl, Lab Nazl Gran Sasso, Assergi, AQ, Italy
[34] Ist Nazl Fis Nucl, I-40126 Bologna, Italy
关键词
CROSS-SECTIONS; NUCLEAR-DATA; NUCLEOSYNTHESIS; TECHNOLOGY; SIMULATION; SCIENCE;
D O I
10.1051/epjconf/20159302009
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
The neutron capture cross section of 58Ni was measured at the neutron time of flight facility n TOF at CERN, from 27 meV to 400 keV neutron energy. Special care has been taken to identify all the possible sources of background, with the so-called neutron background obtained for the first time using high-precision GEANT4 simulations. The energy range up to 122 keV was treated as the resolved resonance region, where 51 resonances were identified and analyzed by a multilevel R-matrix code SAMMY. Above 122 keV the code SESH was used in analyzing the unresolved resonance region of the capture yield. Maxwellian averaged cross sections were calculated in the temperature range of kT = 5 - 100 keV, and their astrophysical implications were investigated.
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