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Ding, R; Han, ZL; Liao, Y; Liu, HJ; Liu, JY; Ding, R (reprint author), Nankai Univ, Sch Phys, Tianjin 300071, Peoples R China.
Phenomenology in the minimal cascade seesaw mechanism for neutrino masses
发表期刊PHYSICAL REVIEW D
语种英语
关键词Majorana Neutrinos Lepton Number Root-s=7 Tev Search Models Scale Nonconservation Collisions Violation Mixings
摘要We make a comprehensive analysis of the phenomenology in the minimal version of the cascade seesaw mechanism for tiny neutrino masses. The seesaw mechanism induces, at tree level, a neutrino mass operator at dimension nine by introducing a quadruple scalar Sigma of hypercharge unity and a quintuple fermion S of hypercharge zero. We work in a framework that handles the complicated Yukawa couplings without losing generality. All mixing matrices are essentially expressed in terms of the vacuum expectation value of the quadruple scalar upsilon(Phi), a free complex parameter t, and known neutrino parameters. We show that the lowenergy lepton- flavor- violating transitions of the charged leptons set strong constraints on the free parameters. The constraints have a significant impact on collider physics and are incorporated in our signal analysis at the LHC. We investigate the signatures of new particles by surveying potentially important channels. We find that the 4j2l +/- signal is the most important for the detection of scalars, and the 2l +/- 2l +/- 2j, 3l +/- l +/- 2j, and 3l +/- 2l +/-_ ET signals are quite promising for the fermions.
2014
ISSN1550-7998
卷号89期号:11页码:115024
学科领域Physics
DOI10.1103/PhysRevD.89.115024
收录类别SCI
项目资助者[NSFC-11025525]; [NSFC-11205113] ; [NSFC-11025525]; [NSFC-11205113] ; [NSFC-11025525]; [NSFC-11205113] ; [NSFC-11025525]; [NSFC-11205113]
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被引频次:15[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/15731
专题理论物理所科研产出_SCI论文
通讯作者Ding, R (reprint author), Nankai Univ, Sch Phys, Tianjin 300071, Peoples R China.
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GB/T 7714
Ding, R,Han, ZL,Liao, Y,et al. Phenomenology in the minimal cascade seesaw mechanism for neutrino masses[J]. PHYSICAL REVIEW D,2014,89(11):115024.
APA Ding, R,Han, ZL,Liao, Y,Liu, HJ,Liu, JY,&Ding, R .(2014).Phenomenology in the minimal cascade seesaw mechanism for neutrino masses.PHYSICAL REVIEW D,89(11),115024.
MLA Ding, R,et al."Phenomenology in the minimal cascade seesaw mechanism for neutrino masses".PHYSICAL REVIEW D 89.11(2014):115024.
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