245 articles – 3656 Notices  [english version]
HAL : in2p3-00671329, version 1

Fiche détaillée  Récupérer au format
Nuclear Astrophysics and Neutron Induced Reactions: Quasi-Free Reactions and RIBs
S. Cherubini, A. Coc1, S. Kubono, C. Spitaleri, D. N. Binh, V. Burjan, V. Crucillà, N. De Sereville2, Z. Elekes, M. Gulino, F. Hammache2, S. Hayakawa, N. Iwasa, S. Kato, V. Kroha, H. Komatsubara, M. La Cognata, L. Lamia, Li Chengbo, S. Nishimura, R. G. Pizzone, S. Puglia, G. G. Rapisarda, S. Romano, M. L. Sergi, E. Somorjai, T. Teranishi, A. Tumino, Y. Wakabayashi, H. Yamaguchi

The use of quasi-free reactions in studying nuclear reactions between charged particles of astrophysical interest has received much attention over the last two decades. The Trojan Horse Method is based on this approach and it has been used to study a number of reactions relevant for Nuclear Astrophysics. Recently we applied this method to the study of nuclear reactions that involve radioactive species, namely to the study of the 18F+p-->15O+α process at temperatures corresponding to the energies available in the classical novae scenario. Quasi-free reactions can also be exploited to study processes induced by neutrons. This technique is particularly interesting when applied to reaction induced by neutrons on unstable short-lived nuclei. Such processes are very important in the nucleosynthesis of elements in the sand r-processes scenarios and this technique can give hints for solving key questions in nuclear astrophysics where direct measurements are practically impossible.
1 :  CSNSM - Centre de Spectrométrie Nucléaire et de Spectrométrie de Masse
2 :  IPNO - Institut de Physique Nucléaire d'Orsay
Physique/Physique Nucléaire Expérimentale

Physique/Astrophysique/Astrophysique stellaire et solaire

Planète et Univers/Astrophysique/Astrophysique stellaire et solaire
neutron-nucleus reactions – radioactive ion beams – electric potential – nucleosynthesis – beta-decay – Neutron-induced fission – Sources of radioactive nuclei – Coulomb energies – Cosmic ray nucleosynthesis – Weak-interaction and lepton aspects