24-28 October 2022
La Thanh Hotel, Hanoi, Vietnam
Asia/Ho_Chi_Minh timezone
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Neutron induced reactions for nuclear astrophysics: an indirect approach

25 Oct 2022, 14:20
20m
Online

Online

Speaker

Rosario Gianluca Pizzone (INFN LNS)

Description

Nuclear reactions induced by neutrons play a key role in several astrophysical scenario like primordial nucleosynthesis, s and r process and so on. From an experimental point of view, their reaction cross sections and reaction rates at astrophysically relevant temperatures are usually a hard task to be measured directly. Nevertheless big efforts in the last decades have led to a better understanding of their role in the different nucleosynthetic networks. In this work we will review the possibility of application of the Trojan Horse Method to extract the cross section at astrophysical energies for neutron induced reactions, examining validity tests as well as different applications Moreover a detailed study of the ${}^3$He(n,p)${}^3$H reaction off the ${}^2$H(${}^3$He,pt)H three-body process will be discussed. The experiment was performed using the ${}^3$He beam, delivered at a total kinetic energy of 9 MeV by the Tandem at the Physics and Astronomy Department of the University of Notre Dame. Data extracted from the present measurement are compared with other published sets available in literature. Astrophysical applications will also be discussed in details.
[1] R.G. Pizzone et al. Eur. Phys. Jour. A, 56, 199 (2020).

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