Status of low energy SUSY models confronted with the LHC 125 GeV Higgs data

被引：100

作者：

Cao, Junjie ^{[1
,2
]}

Heng, Zhaoxia ^{[1
]}

Yang, Jin Min ^{[3
]}

Zhu, Jingya ^{[3
]}

机构：

[1] Henan Normal Univ, Dept Phys, Xinxiang 453007, Peoples R China

[2] Peking Univ, Ctr High Energy Phys, Beijing 100871, Peoples R China

[3] Acad Sinica, State Key Lab Theoret Phys, Inst Theoret Phys, Beijing 100190, Peoples R China

来源：

JOURNAL OF HIGH ENERGY PHYSICS | 2012年 / 10期

基金：

中国国家自然科学基金;

关键词：

Supersymmetry Phenomenology; FINE-TUNING PRICE; PP COLLISIONS; DARK-MATTER; SEARCH; BOSONS; EXTENSION; MASSES; MSSM; LEP; PREDICTIONS;

D O I：

10.1007/JHEP10(2012)079

中图分类号：

O412 [相对论、场论]; O572.2 [粒子物理学];

学科分类号：

摘要：

Confronted with the LHC data of a Higgs boson around 125 GeV, different models of low energy SUSY show different behaviors: some are favored, some are marginally survived and some are strongly disfavored or excluded. In this note we update our previous scan over the parameter space of various low energy SUSY models by considering the latest experimental limits like the LHCb data for B-s -> mu(+)mu(-) and the XENON 100 (2012) data for dark matter-nucleon scattering. Then we confront the predicted properties of the SM-like Higgs boson in each model with the combined 7 TeV and 8 TeV Higgs search data of the LHC. For a SM-like Higgs boson around 125 GeV, we have the following observations: (i) The most favored model is the NMSSM, whose predictions about the Higgs boson can naturally (without any fine tuning) agree with the experimental data at 1 sigma level, better than the SM; (ii) The MSSM can fit the LHC data quite well but suffer from some extent of fine tuning; (iii) The nMSSM is excluded at 3 sigma level after considering all the available Higgs data; (iv) The CMSSM is quite disfavored since it is hard to give a 125 GeV Higgs boson mass and at the same time cannot enhance the di-photon signal rate.

引用

页数：21

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