Abstract
Neutron induced reactions are fundamental for the nucleosynthesis of elements in the universe. Indeed, to correctly study the reactions involved in the well-known s-process in stars, which produce about half of the elements beyond the iron peak, it is mandatory to know the neutron abundance available in those stars. The 17O(n, a)14C reaction is one of the so-called “neutron poisons” for the pro- cess and it could play an important role in the balance of the neutron abundance. The reaction is therefore investigated in the energy range of astrophysical inter- est between 0 and 350 keV in the center of mass by applying the Trojan Horse Method to the three body reaction 2H(17O, a14C)H.
Highlights
Neutron induced reactions play a fundamental role in the nucleosynthesis of the elements in the universe since its primordial stage, after the Big Bang
The well-known s-process for nucleosynthesis in stars produces about half of the elements beyond the iron peak, mostly in massive stars (M > 8M ) and in AGB stars (1.3M ≤ M ≤ 8M )[2, 3]
To correctly study the reactions involved in the s-process, it is mandatory to know the neutron abundance available
Summary
Neutron induced reactions play a fundamental role in the nucleosynthesis of the elements in the universe since its primordial stage, after the Big Bang. A more viable alternative is using the Trojan Horse Method (THM)[1] that does not require either the production or the detection of neutrons. To correctly study the reactions involved in the s-process, it is mandatory to know the neutron abundance available. Knowing the exact branching ratio of those two reactions is essential for the correct evaluation of the neutron abundance. For that reason the Trojan Horse Method has been applied to study the 17O(n, α)14C reaction [8, 9]. The results obtained with the THM still have scope for improvements: the aim of this experiment is trying to obtain an indisputable result
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