Zhang, Y (reprint author), Chinese Acad Sci, CAS Key Lab Theoret Phys, Inst Theoret Phys, Beijing 100190, Peoples R China.
文章类型:
Article
英文摘要:
Motivated by the latest results of the LHC Run-2 and LUX experiments, we examine the status of the constrained minimal supersymmetric standard model by performing a global fit. We construct a likelihood function including the electroweak precision observables, B-physics measurements, LHC Run-1 and-2 data of SUSY direct searches, Planck observation of the dark matter relic density and the combined LUX Run-3 and-4 detection limits. Based on the profile likelihood functions of 1 billion samples, we obtain the following observations: (i) The stau coannihilation region has been mostly excluded by the latest LHC Run-2 data; (ii) The focus point region has been largely covered by the LUX-2016 limits while the A-funnel region has been severely restricted by flavor observables like Bs pt+. The remaining parts of both regions will be totally covered by the future LZ dark matter experiment; (iii) Part of the stop coannihilation region may be detected with higher integrated luminosity LHC; (iv) The StauC&AF hybrid region still survives considering both LHC and dark matter experiments; (v) The masses of the stop, the lightest neutralino and the gluino have been pushed up to 363 GeV, 328 GeV and 1818 GeV, respectively. (C) 2017 Published by Elsevier B.V. This is an open access article under the CC BY license.
NEUTRALINO-STOP COANNIHILATION
; HIGGS-BOSON
; DARK-MATTER
; MSSM
; SUPERSYMMETRY
; PROGRAM
; MODEL
; MASS
; MICROMEGAS
; PARTICLE
项目资助者:
Australian Research Council
; National Natural Science Foundation of China (NNSFC) [11675242]
; World Premier International Research Center Initiative (WPI Initiative) MEXT of Japan by the CAS Center for Excellence in Particle Physics (CCEPP)
; CAS Key Research Program of Frontier Sciences
