FLAVOR MIXING AND SPIN OF THE PROTON

TAKIZAWA, M and WEISE, W (1991) FLAVOR MIXING AND SPIN OF THE PROTON. PHYSICS LETTERS B, 268 (3-4). pp. 323-326. ISSN 0370-2693,

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Abstract

We study the proton matrix elements of the flavour singlet axial current using an extended three-flavour Nambu-Jona-Lasinio model that includes not only an axial anomaly interaction but also a flavour-mixing four-quark interaction in the axial-vector channel. The pseudoscalar meson spectrum gives strong constraints on the strength of this interaction. We investigate its influence on the spin structure of constituent quarks in the proton.

Item Type:	Article
Uncontrolled Keywords:	JONA-LASINIO MODEL; VECTOR MATRIX-ELEMENTS; SCATTERING; MESONS; G1;
Depositing User:	Dr. Gernot Deinzer
Last Modified:	19 Oct 2022 08:46
URI:	https://pred.uni-regensburg.de/id/eprint/54819

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