COMMENTS ON THE EFFECT OF DELTA (1232-MEV) HOLE EXCITATION IN QUENCHING THE GAMOW-TELLER MATRIX ELEMENT - INSPIRE

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COMMENTS ON THE EFFECT OF DELTA (1232-MEV) HOLE EXCITATION IN QUENCHING THE GAMOW-TELLER MATRIX ELEMENT

1983

5 pages

Published in:

Phys.Lett.B 122 (1983) 126-130

Published: 1983

DOI:

10.1016/0370-2693(83)90778-5

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Abstract: (Elsevier)

The effect of the Δ -hole excitation in quenching the Gamow-Teller matrix element is investigated using the pion and rho-meson exchange potential. The contributions are found to be smaller than those given by the calculation using the Landau-Migdal type interaction with g ' Δ = 0.6. The difference is found to be due to the choice of g ' Δ . Discussions concerning the validity of the universality g ' N = g ' Δ and the estimate of g ' Δ are given.

NUCLEAR PHYSICS: COLLECTIVE PHENOMENA
NUCLEON RESONANCE
DELTA(1232)
EXCITED NUCLEUS
PI: EXCHANGE
EXCHANGE: PI
RHO(770): EXCHANGE
EXCHANGE: RHO(770)
MODEL: POTENTIAL
FEYNMAN GRAPH: HIGHER-ORDER

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