Gluonic contribution to the nucleon-delta mass difference in a chiral soliton bag model

Journal Article · Sun May 01 04:00:00 EDT 1988 · Mod. Phys. Letters B; (United States)

DOI:https://doi.org/10.1142/S0217732388000738· OSTI ID:6933015

Bourenane, M; Stern, J; Clement, G

A generalization of the Friedberg-Lee model, which minimally incorporates soft confinement of quarks and gluons and approximate chiral symmetry, is presented and applied to the computation of the gluonic contribution to the nucleon-delta mass difference. The value of the effective strong fine structure constant is estimated to be ..cap alpha../sub s/=0.65.

• Research Organization: Laboratoire de Physique Theorique, Universite des Sciences et de la Technologie Houari, Boumediene, Alger (DZ)
• OSTI ID: 6933015
• Journal Information: Mod. Phys. Letters B; (United States), Journal Name: Mod. Phys. Letters B; (United States) Vol. 3:6; ISSN MPLBE
• Country of Publication: United States
• Language: English

Related Subjects

645300 -- High Energy Physics-- Particle Invariance Principles & Symmetries
645400* -- High Energy Physics-- Field Theory
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
BAG MODEL
BARYONS
CHIRAL SYMMETRY
COMPOSITE MODELS
ELEMENTARY PARTICLES
EXTENDED PARTICLE MODEL
FERMIONS
GLUONS
HADRONS
MASS DIFFERENCE
MATHEMATICAL MODELS
NUCLEONS
PARTICLE MODELS
PARTICLE PROPERTIES
POSTULATED PARTICLES
QUARK MODEL
QUARKS
QUASI PARTICLES
SOLITONS
SYMMETRY