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题名: LHC phenomenology of the type II seesaw mechanism: Observability of neutral scalars in the nondegenerate case
作者: Han, ZL;  Ding, R;  Liao, Y
刊名: PHYSICAL REVIEW D
出版日期: 2015
卷号: 92, 期号:3, 页码:33014
学科分类: Astronomy & Astrophysics ;  Physics
DOI: http://dx.doi.org/10.1103/PhysRevD.92.033014
通讯作者: Han, ZL (reprint author), Nankai Univ, Sch Phys, Tianjin 300071, Peoples R China.
文章类型: Article
英文摘要: This 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.
类目[WOS]: Astronomy & Astrophysics ;  Physics, Particles & Fields
关键词[WOS]: FINAL-STATES ;  HIGGS-BOSON ;  PAIR PRODUCTION ;  ATLAS DETECTOR ;  MASSES ;  MODEL ;  MIXINGS ;  SEARCH ;  PARITY
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/311006/20890
Appears in Collections:理论物理所2015年知识产出_期刊论文

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Recommended Citation:
Han, ZL,Ding, R,Liao, Y. LHC phenomenology of the type II seesaw mechanism: Observability of neutral scalars in the nondegenerate case[J]. PHYSICAL REVIEW D,2015,92(3):33014.
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文件名: LHC phenomenology of the type II seesaw mechanism- Observability of neutral scalars in the nondegenerate case.pdf
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