Titolo: | Destruction of the cosmic γ -ray emitter Al 26 in massive stars: Study of the key Al 26 (n,α) reaction |
Autori: | Lederer-Woods, C. Woods, P. J. Davinson, T. Estrade, A. Heyse, J. Kahl, D. Lonsdale, S. J. Paradela, C. Schillebeeckx, P. Aberle, O. Amaducci, S. Andrzejewski, J. Audouin, L. Bacak, M. Balibrea, J. Barbagallo, M. Bečvář, F. Berthoumieux, E. Billowes, J. Bosnar, D. Brown, A. Caamaño, M. Calviño, F. Calviani, M. Cano-Ott, D. Cardella, R. Casanovas, A. Cerutti, F. Chen, Y. H. Chiaveri, E. Colonna, N. Cortés, G. Cortés-Giraldo, M. A. Cosentino, L. CRISTALLO, Sergio Damone, L. A. Diakaki, M. Domingo-Pardo, C. Dressler, R. Dupont, E. Durán, I. Fernández-Domínguez, B. Ferrari, A. Ferreira, P. Ferrer, F. J. Finocchiaro, P. Furman, V. Göbel, K. García, A. R. Gawlik, A. Gilardoni, S. Glodariu, T. Gonçalves, I. F. González-Romero, E. Griesmayer, E. Guerrero, C. Gunsing, F. Harada, H. Heinitz, S. Jenkins, D. G. Jericha, E. Käppeler, F. Kadi, Y. Kalamara, A. Kavrigin, P. Kimura, A. Kivel, N. Kokkoris, M. Krtička, M. Kurtulgil, D. Leal-Cidoncha, E. Leeb, H. Lerendegui-Marco, J. Lo Meo, S. Macina, D. Manna, A. Marganiec, J. Martínez, T. Masi, A. Massimi, C. Mastinu, P. Mastromarco, M. Maugeri, E. A. Mazzone, A. Mendoza, E. Mengoni, A. Milazzo, P. M. Mingrone, F. Musumarra, A. Negret, A. Nolte, R. Oprea, A. Patronis, N. Pavlik, A. Perkowski, J. Porras, I. Praena, J. Quesada, J. M. Radeck, D. Rauscher, T. |
Data pubblicazione: | 2021 |
Rivista: | PHYSICAL REVIEW C |
Numero: | 104 |
Fascicolo: | 3 |
Abstract: | Neutron destruction reactions of the cosmic γ-ray emitter Al26 are of importance to determine the amount of Al26 ejected into our galaxy by supernova explosions and for Al26 production in asymptotic giant branch stars. We performed a new measurement of the Al26(n,α) reaction up to 160-keV neutron energy at the neutron time-of-flight facilities n_TOF at CERN and GELINA at EC-JRC. We provide strengths for ten resonances, six of them for the first time. We use our data to calculate astrophysical reactivities for stellar temperatures up to 0.7 GK. Our results resolve a discrepancy between the two previous direct measurements of this reaction, and indicate higher stellar destruction rates than the most recently recommended reactivity. |
URI: | http://hdl.handle.net/20.500.12386/31554 |
URL: | https://journals.aps.org/prc/abstract/10.1103/PhysRevC.104.L032803 https://api.elsevier.com/content/abstract/scopus_id/85116049311 |
ISSN: | 2469-9985 |
DOI: | 10.1103/PhysRevC.104.L032803 |
Fulltext: | open |
È visualizzato nelle collezioni: | 1.01 Articoli in rivista
|