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题名: New study of the isotensor pi pi interaction
作者: Wu, FQ ;  Zou, BS ;  Li, L ;  Bugg, DV
刊名: NUCLEAR PHYSICS A
出版日期: 2004
卷号: 735, 期号:40910, 页码:111-124
关键词: POSITIVE-STRANGENESS ;  SCALAR MESONS ;  PHASE-SHIFT ;  GEV-C ;  SCATTERING ;  CHANNEL ;  GAMMA-GAMMA->RHO+RHO ;  PSEUDOSCALAR ;  LAGRANGIANS ;  COLLISIONS
学科分类: Physics
通讯作者: Zou, BS , CCAST World Lab, POB 8730, Beijing 100080, Peoples R China.
部门归属: CCAST World Lab, Beijing 100080, Peoples R China; Chinese Acad Sci, Inst High Energy Phys, Beijing 100039, Peoples R China; Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China; Peking Univ, Beijing 100087, Peoples R China; Univ London Queen Mary Coll, London E1 4NS, England
英文摘要: With t-channel rho, f(2)(1270) exchange and the pipi --> rhorho --> pipi box diagram contribution, we reproduce the pipi isotensor S-wave and D-wave scattering phase shifts and inelasticities up to 2.2 GeV quite well in a K-matrix formalism. The t-channel rho exchange provides repulsive negative phase shifts while the t-channel f(2)(1270) gives an attractive force to increase the phase shifts for pipi scattering above 1 GeV, and the coupled-channel box diagram causes the inelasticities. The implication to the isoscalar pipi S-wave interaction is discussed. (C) 2004 Elsevier B.V. All rights reserved.
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000220645600007
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/14090
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Recommended Citation:
Wu, FQ,Zou, BS,Li, L,et al. New study of the isotensor pi pi interaction[J]. NUCLEAR PHYSICS A,2004,735(40910):111-124.
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