The pi(-) p -> eta n reaction at low energies in a chiral constituent quark model
Zhong XH(钟显辉); Zhao Q(赵强); Zhong, XH; Zhao, Q; He, J; Saghai, B
刊名PHYSICAL REVIEW C
2007
卷号76期号:6页码:65205
学科分类Physics
DOI10.1103/PhysRevC.76.065205
通讯作者[Zhong, Xian-Hui ; Zhao, Qiang] Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China ; [Zhao, Qiang] Univ Surrey, Dept Phys, Guildford GU2 7HX, Surrey, England ; [He, Jun ; Saghai, Bijan] CEA Saclay, DAPNIA SPhN, Lab Rech Lois Fondamentales Univers, F-91191 Gif Sur Yvette, France
文章类型Article
英文摘要A chiral quark-model approach is extended to the study of the pi N scattering at low energies. The process of pi(-) p -> eta n near threshold is investigated. The model is successful in describing the differential cross sections and total cross section near the eta production threshold. The roles of the resonances in n <= 2 shells are clarified. Near threshold, the S(11)(1535) dominates the reactions, whereas the interferences from the S(11)(1650) turn out to be destructive around W less than or similar to 1.6 GeV. The D(13)(1520) is crucial to give correct shapes of the differential cross sections. The nucleon pole term contributions are significant. The P(11)(1710) plays an important role around the center-of-mass energy W=1.7 GeV, it is crucial to produce an enhancement in the region of W > 1.6 GeV as suggested by the data for total cross section. The t-channel is negligible in the reactions.
类目[WOS]Physics, Nuclear
研究领域[WOS]Physics
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语种英语
WOS记录号WOS:000251987000055
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被引频次:35[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/240737
专题中国科学院高能物理研究所_理论物理室_期刊论文
作者单位中国科学院高能物理研究所
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Zhong XH,Zhao Q,Zhong, XH,et al. The pi(-) p -> eta n reaction at low energies in a chiral constituent quark model[J]. PHYSICAL REVIEW C,2007,76(6):65205.
APA 钟显辉,赵强,Zhong, XH,Zhao, Q,He, J,&Saghai, B.(2007).The pi(-) p -> eta n reaction at low energies in a chiral constituent quark model.PHYSICAL REVIEW C,76(6),65205.
MLA 钟显辉,et al."The pi(-) p -> eta n reaction at low energies in a chiral constituent quark model".PHYSICAL REVIEW C 76.6(2007):65205.
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