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Pion damping width from SU(2) x SU(2) NJL model

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Abstract

Within the framework of the NJL model it is investigated the modification of the pion damping width in a hot pion gas for temperatures ranging from 0 to 180 MeV. The pions is found to broaden noticeably at T > 60 MeV. Near the chiral phase transition T {approx} 180 MeV, the pion width is saturated and amounts to 70 MeV. The main contribution to the width is determined by pion-pion collisions. Other contributions are found to be negligibly small.
Authors:
Blanschke, D; Volkov, M K; Yudichev, V L [1] 
  1. Joint Inst. for Nuclear Research, Dubna (Russian Federation)
Publication Date:
Dec 01, 2004
Product Type:
Journal Article
Resource Relation:
Journal Name: Yadernaya Fizika; Journal Volume: 66; Journal Issue: 12; Other Information: 14 refs., 2 figs; PBD: Dec 2004
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; CHIRALITY; CROSS SECTIONS; DAMPING; ENERGY DEPENDENCE; FEYNMAN DIAGRAM; MATHEMATICAL MODELS; MEV RANGE 10-100; PARTICLE WIDTHS; PION-PION INTERACTIONS; SCATTERING; SCATTERING AMPLITUDES
OSTI ID:
20617362
Country of Origin:
Russian Federation
Language:
English
Other Identifying Numbers:
Journal ID: ISSN 0044-0027; IDFZA7; TRN: RU0501676060591
Submitting Site:
INIS
Size:
page(s) 2285-2289
Announcement Date:
Aug 21, 2005

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Citation Formats

Blanschke, D, Volkov, M K, and Yudichev, V L. Pion damping width from SU(2) x SU(2) NJL model. Russian Federation: N. p., 2004. Web.
Blanschke, D, Volkov, M K, & Yudichev, V L. Pion damping width from SU(2) x SU(2) NJL model. Russian Federation.
Blanschke, D, Volkov, M K, and Yudichev, V L. 2004. "Pion damping width from SU(2) x SU(2) NJL model." Russian Federation.
@misc{etde_20617362,
title = {Pion damping width from SU(2) x SU(2) NJL model}
 author = {Blanschke, D, Volkov, M K, and Yudichev, V L}
 abstractNote = {Within the framework of the NJL model it is investigated the modification of the pion damping width in a hot pion gas for temperatures ranging from 0 to 180 MeV. The pions is found to broaden noticeably at T > 60 MeV. Near the chiral phase transition T {approx} 180 MeV, the pion width is saturated and amounts to 70 MeV. The main contribution to the width is determined by pion-pion collisions. Other contributions are found to be negligibly small.}
 journal = []
 issue = {12}
 volume = {66}
 journal type = {AC}
 place = {Russian Federation}
 year = {2004}
 month = {Dec}
 }