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The observed Omega_c^0 resonances as pentaquark states
2017-08-09  【 】【打印】【关闭

Institute of Theoretical Physics

Chinese Academy of Sciences

 Key Laboratory of Theoretical Physics

Seminar

Title

题目

The observed Omega_c^0 resonances as pentaquark states

Speaker

报告人

C.S. An

 

Affiliation

所在单位

Southwest University

 

Date

日期

15:00, Aug 9 (Wednesday), 2017

 

Venue

地点

Room 322, ITP

Abstract

摘要

 

 In present work, we investigate the spectrum of several low-lying sscqq^bar pentaquark configurations employing the constituent quark model, within which the hyperfine interaction between quarks is taken to be mediated by Goldstone boson exchange. Our numerical results show that four sscqq^bar configurations with J^P = 1/2^− or J^P = 3/2^− lie at energies very close to the recently observed five Omega_c^0 states by LHCb collaboration, this indicates that the sscqq^bar pentaquark configurations may form sizable components of the observed Omega_c^0 resonances.

Contact person

所内联系人

Bing-Song Zou
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