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题名: Current experimental bounds on stop mass in natural SUSY
作者: Han, CC ;  Hikasa, K ;  Wu, L ;  Yang, JM ;  Zhang, Y
刊名: JOURNAL OF HIGH ENERGY PHYSICS
出版日期: 2013
期号: 10, 页码:216
关键词: FINE-TUNING PROBLEM ;  EVEN HIGGS BOSONS ;  DARK-MATTER ;  STANDARD MODEL ;  MSSM ;  SUPERSYMMETRY ;  LHC ;  LEP ;  PREDICTIONS ;  BREAKING
学科分类: Physics
通讯作者: Han, CC (reprint author), Acad Sinica, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China.
部门归属: [Han, Chengcheng; Yang, Jin Min; Zhang, Yang] Acad Sinica, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China; [Hikasa, Ken-ichi] Tohoku Univ, Dept Phys, Sendai, Miyagi 9808578, Japan; [Wu, Lei] Univ Sydney, ARC Ctr Excellence Particle Phys Terascale, Sch Phys, Sydney, NSW 2006, Australia; [Zhang, Yang] Henan Normal Univ, Dept Phys, Xinxiang 453007, Peoples R China
英文摘要: Motivated by the recent progress of direct search for the productions of stop pair and sbottom pair at the LHC, we examine the constraints of the search results on the stop ( (t) over tilde (1)) mass in natural SUSY. We first scan the parameter space of natural SUSY in the framework of MSSM, considering the constraints from the Higgs mass, B-physics and electroweak precision measurements. Then in the allowed parameter space we perform a Monte Carlo simulation for stop pair production followed by (t) over tilde (1). t (chi) over tilde (0)(1) or (t) over tilde (1). b (chi) over tilde (+)(1) and sbottom pair production followed by (b) over tilde (1) -> b (chi) over tilde (0)(1) or (b) over tilde (1) -> t (chi) over tilde (-)(1). Using the combined results of ATLAS with 20.1 fb(-1) from the search of l + jets + (sic)(T), hadronic t (t) over bar + (sic)(T) and 2b + (sic)(T), we find that a stop lighter than 600 GeV can be excluded at 95% CL in this scenario.
资助者: ARC Center of Excellence for Particle Physics at the Tera-scale; National Natural Science Foundation of China (NNSFC) [11275245, 10821504, 11135003, 11305049, 11275057]; Startup Foundation for Doctors of Henan Normal University [11112]; Ministry of Education, Culture, Sports, Science and Technology (MEXT) of Japan [24540246]
收录类别: SCI
原文出处: 查看原文
语种: 英语
WOS记录号: WOS:000326601700001
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/15257
Appears in Collections:理论物理所2013年知识产出 _期刊论文

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Recommended Citation:
Han, CC,Hikasa, K,Wu, L,et al. Current experimental bounds on stop mass in natural SUSY[J]. JOURNAL OF HIGH ENERGY PHYSICS,2013(10):216.
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