Neutron capture cross section of unstable 63Ni : implications for stellar nucleosynthesis (CROSBI ID 190041)
Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija
Podaci o odgovornosti
Lederer, C. ; Massimi, C. ; Altstadt, S. ; Andrzejewski, J. ; Audouin, L. ; Barbagallo, M. ; Becares, V. ; Becvar, F. ; Belloni, F. ; Berthoumieux, E. ; Billowes, J. ; Boccone, V. ; Bosnar, Damir ; Brugger, M. ; Calviani, M. ; Calvino, F. ; Cano-Ott, D. ; Carrapico, C. ; Cerutti, F. ; Chiaveri, E. ; Chin, M. ; Colonna, N. ; Cortes, G. ; Cortes-Giraldo, M.A. ; Diakaki, M. ; Domingo-Pardo, C. ; Duran, I. ; Dressler, R. ; Dzysiuk, N. ; Eleftheriadis, C. ; Ferrari, A. ; Fraval, K. ; Ganesan, S. ; Garcia, A.R. ; Giubrone, G. ; Gomez-Hornillos, E. ; Goncalves, I.F. ; Gonzalez-Romero, E. ; Griesmayer, E. ; Guerrero, C. ; Gunsing, F. ; Gurusamy, P. ; Jenkins, D.K. ; Jericha, E. ; Kadi, Y. ; Kappeler, F. ; Karadimos, D. ; Kivel, N. ; Koehler, P. ; Kokkoris, M. ; Korschinek, G. ; Krticka, M. ; Kroll, J. ; Langer, C. ; Leeb, H. ; Leong, L.S. ; Losito, R. ; Manousos, A. ; Marganiec, J. ; Martnez, T. ; Mastinu, P.F. ; Mastromarco, M. ; Meaze, M. ; Mendoza, E. ; Mengoni, A. ; Milazzo, P.M. ; Mingrone, F. ; Mirea, M. ; Mondelaers, W. ; Paradela, C. ; Pavlik, A. ; Perkowski, J. ; Pignatari, M. ; Plompen, A. ; Praena, J. ; Quesada, J.M. ; Rauscher, T. ; Reifarth, R. ; Riego, A. ; Roman, F. ; Rubbia, C. ; Sarmento, R. ; Schillebeeckx, P. ; Schmidt, S. ; Schumann, D. ; Tagliente, G. ; Tain, J.L. ; Tarro, D. ; Tassan-Got, L. ; Tsinganis, A. ; Valenta, S. ; Vannini, G ; Variale, V. ; Vaz, P. ; Ventura, A. ; Versaci, R. ; Vermeulen, M.J. ; Vlachoudis, v. ; Vlastou, R. ; Wallner, A. ; Ware, T. ; Weigand, M. ; Weis, C. ; Wright, T.J. ; Žugec, Petar
engleski
Neutron capture cross section of unstable 63Ni : implications for stellar nucleosynthesis
The 63Ni(n ; gamma) cross section has been measured for the rst time at the neutron time-of- flight facility n_TOF at CERN from thermal neutron energies up to 200 keV. In total 16 resonances couldbe identi ed and capture kernels be determined for 14 of these resonances. Maxwellian averaged cross sections were calculated for thermal energies from kT = 5 keV to 90 keV with uncertainties around 20%. Stellar model calculations for a 25 M star show that the new data have a significant effect on the s-process production of 63Cu, 64Ni, and 64Zn in massive stars.
radiative caputre; resonance reactions; neutron; s-process (nuclear astrophyiscs)
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Podaci o izdanju
110
2013.
022501-1-022501-5
objavljeno
0031-9007
10.1103/PhysRevLett.110.022501
