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Titolo:
SEA CONTRIBUTIONS AND NUCLEON STRUCTURE
Autore:
SONG X; GUPTA V;
Indirizzi:
UNIV VIRGINIA,INST NUCL & PARTICLE PHYS,DEPT PHYS CHARLOTTESVILLE VA 22901 TATA INST FUNDAMENTAL RES BOMBAY 400005 INDIA
Titolo Testata:
Physical review. D. Particles and fields
fascicolo: 5, volume: 49, anno: 1994,
pagine: 2211 - 2220
SICI:
0556-2821(1994)49:5<2211:SCANS>2.0.ZU;2-H
Fonte:
ISI
Lingua:
ENG
Soggetto:
RELATIVIZED QUARK-MODEL; BARYON MAGNETIC-MOMENTS; HYPERFINE INTERACTIONS; PROTON; CHROMODYNAMICS; SPIN; PHOTOPRODUCTION; HADRONS;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
25
Recensione:
Indirizzi per estratti:
Citazione:
X. Song e V. Gupta, "SEA CONTRIBUTIONS AND NUCLEON STRUCTURE", Physical review. D. Particles and fields, 49(5), 1994, pp. 2211-2220

Abstract

We suggest a general formalism to treat a baryon as a composite system of three quarks and a ''sea. '' In this formalism, the sea is a cluster which can consist of gluons and quark-antiquark pairs. The hadron wave function with a sea component is given. The magnetic moments, related sum rules, and axial vector weak coupling constants are obtained. The data seem to favor a vector sea rather than a scalar sea. The quark spin distributions in the nucleon are also discussed.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 15/07/20 alle ore 04:32:24