Determination of energy gap directly from phase shift for nuclear systems with large neutron excess

Considering super(1)S sub(0) pairing in infinite neutron matter and nuclear matter, and knowing the fact that in the lowest order approximation, the pairing interaction has been taken to be the bare nucleon-nucleon interaction in the super(1) S sub(0) channel, the energy gap has been determined dire...

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Published inIndian journal of pure & applied physics Vol. 54; no. 8; pp. 507 - 510
Main Authors Murila, M, Ayodo, Y K, Khanna, K M, Miller, E S, Indumuli, J
Format Journal Article
LanguageEnglish
Published 01.08.2016
Subjects
Approximation
Channels
Constants
Energy gap
Mathematical analysis
Nuclear matter
Nucleon-nucleon interactions
Phase shift
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Summary:Considering super(1)S sub(0) pairing in infinite neutron matter and nuclear matter, and knowing the fact that in the lowest order approximation, the pairing interaction has been taken to be the bare nucleon-nucleon interaction in the super(1) S sub(0) channel, the energy gap has been determined directly from the super(1)S sub(0) phase shifts. The values of energy gaps have been found to increase rapidly for low values of phase shifts, up to around 16[degrees], and it is roughly constant with a value approximately equal to 1.08 MeV for phase shifts super(1) greater than 16[degrees].
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ISSN:0019-5596
0975-1041