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Spectroscopy of 61Fe via the neutron transfer reaction 2H(60Fe,p)61Fe*

S. Giron, F. Hammache, N. de Séréville, P. Roussel, J. Burgender, M. Moukaddam et al.

Abstract :

The direct component of the 60Fe(n,γ)61Fe cross section was investigated by populating the bound states of the 61Fe nucleus through the (d,pγ) transfer reaction in inverse kinematics using a radioactive beam of 60Fe at 27A MeV. The experiment was performed at GANIL using the MUST2 array and an annular double-sided silicon strip detector for the detection of the light charged particle in coincidence with the photons measured in the
EXOGAM γ-ray detectors. For the first time, the spectroscopic factors of the first 3/2, 5/2, 1/2, and 9/2+ states of 61Fe were deduced experimentally from an adiabatic distorted wave approximation analysis of the data. The obtained results show a very good agreement with the shell-model predictions. The calculated direct component of the (n,γ) cross section was found negligible and of about 2% of the total, indicating a dominant resonant component.

Voir en ligne : Phys. Rev. C 95, 035806 (2017) - Published 31 March 2017



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