Energies and Jπ values of resonances in C12(O16, Be8)Ne20 reactions

D. R. James and N. R. Fletcher
Phys. Rev. C 20, 560 – Published 1 August 1979
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Abstract

The C12(O16,Be8)Ne20* reactions to the low lying 0+, 2+, 4+ and 3, 1 states have been studied for Ec.m.=18.5 to 22.7 MeV at intervals of ∼86 keV. Excitation functions indicate the presence of twelve resonances in this energy region, eight of which are given Jπ assignments based on angular distributions of the Be8 + Ne20(0+) channel measured at each energy interval. A high degree of resonance energy correspondence between these and other reaction cross section anomalies is noted. It is apparent that the density of resonant states for the Be8 + Ne20 exit channel is much higher than reported in other channels.

NUCLEAR REACTIONS C12(O16, Be8)Ne20*; Ec.m.18.5 to 22.7 MeV, θc.m.13° to 73°; measured σ(θ,E) to low lying states, deduced resonance energies and Jπ values.

  • Received 23 October 1978

DOI:https://doi.org/10.1103/PhysRevC.20.560

©1979 American Physical Society

Authors & Affiliations

D. R. James and N. R. Fletcher

  • Department of Physics, The Florida State University, Tallahassee, Florida 32306

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Issue

Vol. 20, Iss. 2 — August 1979

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