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题名: Renormalization group evolution of dimension-seven baryon- and lepton-number-violating operators
作者: Liao, Y ;  Ma, XD
刊名: JOURNAL OF HIGH ENERGY PHYSICS
出版日期: 2016
期号: 11, 页码:43
关键词: Beyond Standard Model ;  Effective field theories ;  Renormalization Group
学科分类: Physics
DOI: http://dx.doi.org/10.1007/JHEP11(2016)043
通讯作者: Liao, Y (reprint author), Nankai Univ, Sch Phys, Tianjin 300071, Peoples R China. ;  Liao, Y (reprint author), Chinese Acad Sci, Inst Theoret Phys, Key Lab Theoret Phys, Beijing 100190, Peoples R China. ;  Liao, Y (reprint author), Peking Univ, Ctr High Energy Phys, Beijing 100871, Peoples R China.
文章类型: Article
英文摘要: We study dimension-seven operators in standard model effective field theory. These operators are classified into two sets, one violating lepton number but preserving baryon number (Delta L - +/- 2,Delta B - 0) and the other violating both but preserving their sum (-Delta L - Delta B - +/- 1). It has been found in the previous literature that there are respectively 13 and 7 such independent operators. We show that one operator is redundant in each set so that the complete list contains only 12 and 6 operators respectively. We accomplish this by using standard model equations of motion and various Fierz identities. We calculate the one-loop anomalous dimension matrix for the 6 operators in the second set, and illustrate its possible phenomenological implications by working out renormalization group running of the Wilson coefficients that could contribute to the type of proton decays with -Delta L = Delta B = +/- 1, such as p -> nu pi(|).
类目[WOS]: Physics, Particles & Fields
关键词[WOS]: NEUTRINO MASS OPERATOR ;  EFFECTIVE-FIELD-THEORY ;  GENERALIZED FIERZ IDENTITIES ;  CONSERVATION
收录类别: SCI
项目资助者: CAS Center for Excellence in Particle Physics (CCEPP) ;  [NSFC-11025525] ;  [NSFC-11575089]
语种: 英语
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/21486
Appears in Collections:理论物理所2016年知识产出_期刊论文

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Recommended Citation:
Liao, Y,Ma, XD. Renormalization group evolution of dimension-seven baryon- and lepton-number-violating operators[J]. JOURNAL OF HIGH ENERGY PHYSICS,2016(11):43.
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