Quark aspects of parity nonconservation in nucleon systems

Journal Article · Fri May 01 04:00:00 EDT 1987 · Sov. J. Particles Nucl. (Engl. Transl.); (United States)

OSTI ID:6380822

Dubovik, V M; Zenkin, S V; Obukhovskii-breve, I T; Tosunyan, L A ^[1]

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1. deceased

Two approaches to parity-nonconservation effects in nucleon systems are analyzed and compared. The first is the potential approach based on the meson picture of nuclear forces, and the second is the quark--nuclear approach, in which the NN system is regarded as a multiquark system at short distances. The review has the following aims: to illuminate the theoretical approaches to the study of a complex problem like parity nonconservation in weak NN interactions at the modern quark level and to give the fundamentals to the corresponding formalisms; to show that the standard electroweak model with inclusion of color interactions between the quarks (QCD) is a realistic basis for describing parity-nonconservation effects in NN systems and nuclei at low energies; and to demonstrate that more accurate experimental data could foster further development of gauge models and lead to a more detailed picture of the nuclear forces.

• Research Organization: Joint Institute for Nuclear Research, Dubna
• OSTI ID: 6380822
• Journal Information: Sov. J. Particles Nucl. (Engl. Transl.); (United States), Journal Name: Sov. J. Particles Nucl. (Engl. Transl.); (United States) Vol. 18:3; ISSN SJPNA
• Country of Publication: United States
• Language: English

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