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Lambda_c重子谱疑难
Alternative TitlePuzzle of the Lambda_c Spectrum
吕齐放; 董宇兵; 刘翔; MATSUKI Takayuki
2018
Source Publication原子核物理评论
ISSN1007-4627
Volume35Issue:1Pages:1-4
SubtypeArticle
AbstractΛ_c+重子家族存在一个疑难,也就是重夸克有效理论预言的轨道角动量为L=2的多重态中的态在实验上是缺失的,而且已发现的Λ_c(2765)+和Λ_c(2940)+的JP量子数仍然未知。在本工作中,我们使用双夸克图像计算了重子的质量,研究了Λ_c(2765)+和Λ_c(2940)+的可能归类以及仍缺失的具有L=2和量子数的Λ_c+态,进而指出Λ_c(2880)+的峰结构中实际上已经包含了L=2、这一缺失态,并建议Λ_c(2765)+和Λ_c(2940)+的量子数应分别为2S(1/2+)和2P(1/2-)。
KeywordΛc家族 相对论夸克模型 对夸克
Language中文
CSCD IDCSCD:6230452
Document Type期刊论文
Identifierhttp://ir.ihep.ac.cn/handle/311005/286493
Collection理论物理室
Corresponding Author吕齐放
Affiliation中国科学院高能物理研究所
First Author AffilicationInstitute of High Energy
Corresponding Author AffilicationInstitute of High Energy
Recommended Citation
GB/T 7714
吕齐放,董宇兵,刘翔,等. Lambda_c重子谱疑难[J]. 原子核物理评论,2018,35(1):1-4.
APA 吕齐放,董宇兵,刘翔,&MATSUKI Takayuki.(2018).Lambda_c重子谱疑难.原子核物理评论,35(1),1-4.
MLA 吕齐放,et al."Lambda_c重子谱疑难".原子核物理评论 35.1(2018):1-4.
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