Unexpected properties of the 33S(α,p)36Cl reaction cross section at low energies

Mohr, Péter (2014) Unexpected properties of the 33S(α,p)36Cl reaction cross section at low energies. PHYSICAL REVIEW C, 89 (5). ISSN 2469-9985

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Abstract

New experimental data for the 33S(α,p)36Cl reaction show a very unusual energy dependence. Contrary to common findings for many other α-induced reactions, statistical model calculations underestimate the measured cross sections at very low energies. The relatively huge cross sections at these low energies require a significant amount of single-particle strength in the measured energy range which exceeds by far 100 % as soon as the additional strength from the competing 33S(α,n)36Ar reaction is taken into account. In addition, the new data deviate from a general trend for the energy dependence of α-induced reaction cross sections.

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