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Nucleon structure functions in a chiral soliton model

✍ Scribed by Herbert Weigel

Publisher
Elsevier Science
Year
2000
Tongue
English
Weight
223 KB
Volume
670
Category
Article
ISSN
0375-9474

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✦ Synopsis

The computation of nucleon structure functions within the Nambu-Jona-Lasinio chiral soliton model is outlined. After some technical remarks on the issue of regularization numerical results for the both unpolarized and polarized structure functions are presented. The generalization to flavor SU(3) is sketched.

1. THE CHIRAL SOLITON MODEL

The bosonized form of the Nambu-Jona-Lasinio (NJL) action [1] 1 f A[S,P] 4 e 2 2 0(s ie)] -iNcTrAlog -(S+i'ysP)] -~-~jd xtr IS 2 + + + , (1)

πŸ“œ SIMILAR VOLUMES

Nucleon structure functions from a chira
Nucleon structure functions from a chiral soliton
✍ H. Weigel; L. Gamberg; H. Reinhardt; O. SchrΓΆder πŸ“‚ Article πŸ“… 1999 πŸ› Elsevier Science 🌐 English βš– 400 KB

We study nucleon structure functions within the bosonized version of the Nambu-Jona-Lasinio (NJL) model in which the nucleon emerges as the soliton in the chiral field. Upon boosting to the infinite momentum frame and performing the q2-evolution in the context of the Gottfried sum rule for electron

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✍ T. Watabe; K. Goeke πŸ“‚ Article πŸ“… 1998 πŸ› Elsevier Science 🌐 English βš– 201 KB

We give a survey of recent development and applications of the chirM quark soliton model (also called the Nambu-Jona-Lasinio soliton model) with Nf=2 and N/=3 quark flavors for the structure of baryons. The model is an effective chirM quark model obtained from the instanton liquid model of the quant