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北京工业大学高能组
Searching for stable tetraquark states in QCD
by
Prof.
伟 陈
Tuesday 27 Apr 2021, 12:00
→
13:00
Asia/Shanghai
318 (shu'li'lou)
318
shu'li'lou
北京市朝阳区平乐园100hao
Description
报告摘要:2003年以来,高能物理实验发现了很多类粲偶素态,它们的质量和衰变行为与势模型对传统粲偶素的预言有较大差别,尤其是其中带电粒子如Zc(3900)、Zc(4020)、Zcs(3985)、Zcs(4000)等强子态的发现,预示着四夸克物质粒子的存在。最近,LHCb实验在di-Jpsi的不变质量谱中发现了X(6900)粒子,它很可能是由四个粲夸克构成的紧凑四夸克态,这极大的激发了人们对四夸克态谱的研究热情。在此报告中,报告人将从QCD出发,讨论一些可能存在的稳定四夸克态粒子的质量、量子数、衰变等行为。 报告人简介:陈伟,中山大学教授。2007年本科毕业于兰州大学,2012年于北京大学获得理论物理博士学位,之后前往加拿大萨斯喀彻温大学从事博士后研究工作,2017年至今任中山大学教授。陈伟博士近年来一直在新强子态和奇异强子态物理领域开展研究工作,关注新强子态的产生、衰变和质量谱等性质,在隐粲四夸克态、五夸克态以及混杂态方面的理论研究工作受到国内外同行的关注。以第一作者或通讯作者身份在Phys. Rept., PRL、PRD等高水平杂志发表相关论文50余篇,总被引用次数2800多次,h-index为26。共有8篇论文入选ESI高被引论文(Highly Cited Paper),5篇论文入选了热点论文(Hot Paper),其中长篇综述论文Phys.Rept.,639,1-121(2016) 受到国内外同行的广泛关注和好评,总被引用次数650余次,入选“2016年中国百篇最具影响国际学术论文”。陈伟博士目前担任PRL,PRD, PLB, NPB, EPJC,EPJA, Frontiers of Physics等期刊的审稿人。获欧洲物理杂志EPJ-2017 Distinguished Referee,Physics Letters B - Most Valued Reviewer for 2017和Chinese Physics C -Top Reviewer for 2018, 2020。