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题名: Leptoquark implication from the CMS and IceCube experiments
作者: Dutta, B;  Gao, Y;  Li, TJ;  Rott, C;  Strigari, LE
刊名: PHYSICAL REVIEW D
出版日期: 2015
卷号: 91, 期号:12, 页码:125015
学科分类: Astronomy & Astrophysics ;  Physics
DOI: http://dx.doi.org/10.1103/PhysRevD.91.125015
通讯作者: Dutta, B (reprint author), Texas A&M Univ, Mitchell Inst Fundamental Phys & Astron, Dept Phys & Astron, College Stn, TX 77843 USA.
文章类型: Article
英文摘要: The recent excess in the CMS measurements of eejj and e nu jj channels and the emergence of PeV cosmic neutrino events at the IceCube experiment share an intriguing implication for a leptoquark with a 600-650 GeV mass. We investigate the CMS constraints on the flavor structure of a scenario with the minimal leptoquark Yukawa couplings and correlate such a scenario to the resonant enhancement in the very high energy shower event rates at the IceCube. We find for a single leptoquark, the CMS signals require large couplings to the third generation leptons. This leads to an enhancement in the nu(tau)-nucleon scattering cross section and subsequently more nu(tau) events at PeV energies. However, a visible enhancement above the Standard Model scattering would require a leptoquark Yukawa coupling larger than one that can be easily tested at the upcoming LHC runs.
类目[WOS]: Astronomy & Astrophysics ;  Physics, Particles & Fields
收录类别: SCI
项目资助者: DOE [DE-FG02-13ER42020] ;  Mitchell Institute for Fundamental Physics and Astronomy ;  Natural Science Foundation of China [11135003, 11275246, 11475238] ;  National Basic Research Program of China (973 Program) [2010CB833000] ;  Basic Science Research Program through the National Research Foundation of Korea - Ministry of Science [NRF-2013R1A1A1007068] ;  NSF [PHY-1522717]
语种: 英语
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/20968
Appears in Collections:理论物理所2015年知识产出_期刊论文

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Recommended Citation:
Dutta, B,Gao, Y,Li, TJ,et al. Leptoquark implication from the CMS and IceCube experiments[J]. PHYSICAL REVIEW D,2015,91(12):125015.
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