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Han, ZL; Ding, R; Liao, Y; Han, ZL (reprint author), Nankai Univ, Sch Phys, Tianjin 300071, Peoples R China.
LHC phenomenology of the type II seesaw mechanism: Observability of neutral scalars in the nondegenerate case
Source PublicationPHYSICAL REVIEW D
Language英语
AbstractThis is a sequel to our previous work on LHC phenomenology of the type II seesaw model in the nondegenerate case. In this work, we further study the pair and associated production of the neutral scalars H-0/A(0). We restrict ourselves to the so-called negative scenario characterized by the mass order M-H +/-+/- > M-H +/- > M-H0/A0, in which the H-0/A(0) production receives significant enhancement from cascade decays of the charged scalars H-+/-+/-, H-+/-. We consider three important signal channels-b (b) over barb gamma gamma, b (b) over bar tau(+)tau(-), b (b) over barl(+)l(-)E(T)-and perform detailed simulations. We find that at the 14 TeV LHC with an integrated luminosity of 3000 fb(-1), a 5s mass reach of 151, 150, and 180 GeV, respectively, is possible in the three channels from the pure Drell-Yan H(0)A(0) production, while the cascade-decay-enhanced H-0/A(0) production can push the mass limit further to 164, 177, and 200 GeV. The neutral scalars in the negative scenario are thus accessible at LHC run II.
2015
Volume92Issue:3Pages:33014
Subject AreaAstronomy & Astrophysics ; Physics
DOIhttp://dx.doi.org/10.1103/PhysRevD.92.033014
Indexed BySCI
Funding OrganizationCAS Center for Excellence in Particle Physics (CCEPP) [NSFC-11025525, NSFC-11575089] ; CAS Center for Excellence in Particle Physics (CCEPP) [NSFC-11025525, NSFC-11575089] ; CAS Center for Excellence in Particle Physics (CCEPP) [NSFC-11025525, NSFC-11575089] ; CAS Center for Excellence in Particle Physics (CCEPP) [NSFC-11025525, NSFC-11575089]
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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/20890
Collection理论物理所科研产出_SCI论文
Corresponding AuthorHan, ZL (reprint author), Nankai Univ, Sch Phys, Tianjin 300071, Peoples R China.
Recommended Citation
GB/T 7714
Han, ZL,Ding, R,Liao, Y,et al. LHC phenomenology of the type II seesaw mechanism: Observability of neutral scalars in the nondegenerate case[J]. PHYSICAL REVIEW D,2015,92(3):33014.
APA Han, ZL,Ding, R,Liao, Y,&Han, ZL .(2015).LHC phenomenology of the type II seesaw mechanism: Observability of neutral scalars in the nondegenerate case.PHYSICAL REVIEW D,92(3),33014.
MLA Han, ZL,et al."LHC phenomenology of the type II seesaw mechanism: Observability of neutral scalars in the nondegenerate case".PHYSICAL REVIEW D 92.3(2015):33014.
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