TY - JOUR
T1 - Neutron and proton dynamics of Ca48 levels and -ray decays from neutron inelastic scattering
AU - Vanhoy, J. R.
AU - McEllistrem, M. T.
AU - Hicks, Sally F.
AU - Gatenby, R. A.
AU - Baum, E. M.
AU - Johnson, E. L.
AU - Molnar, G.
AU - Yates, S. W.
PY - 1992
Y1 - 1992
N2 - Differential cross sections were measured for the Ca48(n,n) reactions at incident energies between 4.8 and 8.0 MeV. Excitation energies, spins, level lifetimes, -ray branching ratios, and -ray production cross sections were determined. Members of the doublet at 4.50 MeV are clearly identified and assigned spins of 4+ and 3-. Inelastic neutron scattering cross sections were inferred from the -ray branching ratios and production cross sections. The inferred cross sections are in excellent agreement with those measured in a separate neutron detection experiment, and with a recent vibrational model coupled-channels analysis of the Ca48(n,n) data. Comparison of level excitations produced by neutrons and other hadrons with electomagnetic strengths shows very different mixtures of neutron and proton particle-hole amplitudes for different levels.
AB - Differential cross sections were measured for the Ca48(n,n) reactions at incident energies between 4.8 and 8.0 MeV. Excitation energies, spins, level lifetimes, -ray branching ratios, and -ray production cross sections were determined. Members of the doublet at 4.50 MeV are clearly identified and assigned spins of 4+ and 3-. Inelastic neutron scattering cross sections were inferred from the -ray branching ratios and production cross sections. The inferred cross sections are in excellent agreement with those measured in a separate neutron detection experiment, and with a recent vibrational model coupled-channels analysis of the Ca48(n,n) data. Comparison of level excitations produced by neutrons and other hadrons with electomagnetic strengths shows very different mixtures of neutron and proton particle-hole amplitudes for different levels.
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U2 - 10.1103/PhysRevC.45.1628
DO - 10.1103/PhysRevC.45.1628
M3 - Article
AN - SCOPUS:33744529003
SN - 0556-2813
VL - 45
SP - 1628
EP - 1643
JO - Physical Review C - Nuclear Physics
JF - Physical Review C - Nuclear Physics
IS - 4
ER -