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Multiquark Hadrons - A New Facet of QCD
2016-10-24  【 】【打印】【关闭

Institute of Theoretical Physics

Key Laboratory of Theoretical Physics

  Chinese Academy of Sciences

Colloquium

Title

题目

Multiquark Hadrons - A New Facet of QCD

Speaker

报告人

Prof. Ahmed Ali

Affiliation

所在单位

DESY Theory Group, Germany

 

Date

日期

10:00 a.m. Monday, 24 October 2016

Venue

地点

理论物理所新楼6620报告厅

Abstract

摘要

I review some selected aspects of the phenomenology of multiquark states discovered in high energy experiments. They have four valence quarks (called tetraquarks) and two of them are found to have five valence quarks (called pentaquarks), extending the conventional hadron spectrum which consists of quark-antiquark (q q) mesons and qqq baryons. Multiquark states represent a new facet of QCD and their dynamics is both challenging and currently poorly understood. I discuss various approaches put forward to accommodate them, with emphasis on the diquark model.

Contact person

所内合作者

Bing-Song Zou

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