Lifetime of doubly charmed baryons

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	Lifetime of doubly charmed baryons
	Chang, CH; Li, T; Li, XQ; Wang, YM; Wang YM(王玉明)
	2008
发表期刊	COMMUNICATIONS IN THEORETICAL PHYSICS (IF:0.948[JCR-2015],0.764[5-Year])
卷号	49 期号:4 页码:993-1000
通讯作者	[Chang, Chao-Hsi] CCAST, World Lab, Beijing 100080, Peoples R China ; [Chang, Chao-Hsi] Acad Sinica, Inst Theoret Phys, Beijing 100080, Peoples R China ; [Li, Tong ; Li, Xue-Qian] Nankai Univ, Dept Phys, Tianjin 300071, Peoples R China ; [Wang, Yu-Ming] Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China
文章类型	Article
摘要	n this work, we evaluate the lifetimes of the doubly charmed baryons Xi(+)(cc), Xi(++)(cc) and Omega(+)(cc). We carefully calculate the non-spectator contributions at the quark level, where the Cabibbo-suppressed diagrams are also included. The hadronic matrix elements are evaluated in the simple non-relativistic harmonic oscillator model. Our numerical results are generally consistent with that obtained by other authors who used the diquark model. However, all the theoretical predictions on the lifetimes are one order larger than the upper limit set by the recent SELEX measurement. This discrepancy would be clarified by the future experiment. If more accurate experiment still confirms the value of the SELEX collaboration, there must be some unknown mechanism to be explored.
关键词	doubly charmed baryons harmonic oscillator model
学科领域	Physics
URL	查看原文
收录类别	INSPIREHEP ; ADS
语种	英语
WOS研究方向	Physics
WOS类目	Physics, Multidisciplinary
WOS记录号	WOS:000255100900038
ADS Bibcode	2008CoTPh..49..993C
ADS URL	https://ui.adsabs.harvard.edu/abs/2008CoTPh..49..993C
ADS引文	https://ui.adsabs.harvard.edu/abs/2008CoTPh..49..993C/citations
INSPIRE ID	1091437
INSPIRE URL	https://inspirehep.net/literature/1091437
引用统计	正在获取... 被引频次：43 [INSPIRE] 被引频次：47 [ADS]
文献类型	期刊论文
条目标识符	https://ir.ihep.ac.cn/handle/311005/238857
专题	理论物理室粒子天体物理中心计算中心
作者单位	中国科学院高能物理研究所
第一作者单位	中国科学院高能物理研究所
推荐引用方式 GB/T 7714	Chang, CH,Li, T,Li, XQ,et al. Lifetime of doubly charmed baryons[J]. COMMUNICATIONS IN THEORETICAL PHYSICS,2008,49(4):993-1000.
APA	Chang, CH,Li, T,Li, XQ,Wang, YM,&王玉明.(2008).Lifetime of doubly charmed baryons.COMMUNICATIONS IN THEORETICAL PHYSICS,49(4),993-1000.
MLA	Chang, CH,et al."Lifetime of doubly charmed baryons".COMMUNICATIONS IN THEORETICAL PHYSICS 49.4(2008):993-1000.