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Quenching of gA in the nuclear medium

Parthasarathy, R and Pasupathy, J (1988) Quenching of gA in the nuclear medium. In: Physical Review C, 37 (5). pp. 2140-2142.

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Official URL: http://prc.aps.org/abstract/PRC/v37/i5/p2140_1


The numerical values of gA are evaluated using quantum-chromodynamic sum rules. The nuclear medium effects are taken into account by modifying the chiral symmetry breaking correlation, <q¯q>. Our results indicate a quenching of gA in a nuclear medium. The physical reasons for this fundamental quenching are noted to be the same for the effective mass of the nucleon bound in a nucleus being less than its free space value.

Item Type: Journal Article
Publication: Physical Review C
Publisher: The American Physical Society
Additional Information: Copyright of this article belongs to The American Physical Society.
Department/Centre: Division of Physical & Mathematical Sciences > Centre for Theoretical Studies (Ceased to exist at the end of 2003)
Date Deposited: 29 Sep 2010 09:39
Last Modified: 29 Sep 2010 09:39
URI: http://eprints.iisc.ac.in/id/eprint/32520

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