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相关论文: Revisiting the Higgs Mass and Dark Matter in the C…

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We estimate the mass of the lightest neutral Higgs boson h in the minimal supersymmetric extension of the Standard Model with universal soft supersymmetry-breaking masses (CMSSM), subject to the available accelerator and astrophysical…

高能物理 - 唯象学 · 物理学 2009-09-11 John Ellis , Dimitri Nanopoulos , Keith A. Olive , Yudi Santoso

The recent experimental hints for a relatively heavy Higgs with a mass in the range 119-125 GeV favour supersymmetric scenarios with a large mixing in the stop mass matrix. It has been shown that this is possible in the constrained Minimal…

高能物理 - 唯象学 · 物理学 2015-06-04 L. Aparicio , D. G. Cerdeno , L. E. Ibanez

Measurements at low energies provide interesting indirect information about masses of particles that are (so far) too heavy to be produced directly. Motivated by recent progress in consistently and rigorously calculating electroweak…

高能物理 - 唯象学 · 物理学 2008-11-26 O. Buchmueller , R. Cavanaugh , A. De Roeck , S. Heinemeyer , G. Isidori , P. Paradisi , F. J. Ronga , A. M. Weber , G. Weiglein

Light neutralino dark matter can be achieved in the Minimal Supersymmetric Standard Model if staus are rather light, with mass around 100 GeV. We perform a detailed analysis of the relevant supersymmetric parameter space, including also the…

The most recent results of searches at the LHC for the Higgs boson h have turned up possible hints of such a particle with mass m_h about 125 GeV consistent with standard model (SM) expectations. This has many potential implications for the…

高能物理 - 唯象学 · 物理学 2012-06-08 Xiao-Gang He , Bo Ren , Jusak Tandean

The apparent discovery of a Higgs boson with mass ~125 GeV has had a significant impact on the constrained minimal supersymmetric extension of the Standard Model in which the scalar masses, gaugino masses and tri-linear A-terms are assumed…

高能物理 - 唯象学 · 物理学 2015-06-12 John Ellis , Feng Luo , Keith A. Olive , Pearl Sandick

We highlight the differences of the dark matter sector between the constrained minimal supersymmetric SM (CMSSM) and the next-to-minimal supersymmetric SM (NMSSM) including the 126 GeV Higgs boson using GUT scale parameters. In the dark…

高能物理 - 唯象学 · 物理学 2015-12-30 C. Beskidt , W. de Boer , D. I. Kazakov

For the experimental search of neutralino dark matter, it is important to know its allowed mass and scattering cross section with the nucleon. In order to figure out how light a neutralino dark matter can be predicted in low energy…

高能物理 - 唯象学 · 物理学 2011-09-12 Junjie Cao , Ken-ichi Hikasa , Wenyu Wang , Jin Min Yang

The minimal supergravity (mSUGRA or CMSSM) model is an oft-used framework for exhibiting the properties of neutralino (WIMP) cold dark matter (CDM). However, the recent evidence from Atlas and CMS on a light Higgs scalar with mass m_h\simeq…

高能物理 - 唯象学 · 物理学 2015-06-04 Howard Baer , Vernon Barger , Azar Mustafayev

In a minimal supersymmetric extension of the standard model (MSSM) with explicit CP violation a mass of the lightest Higgs boson H_1 in the range 7 GeV} < M_{H_1} < 10 GeV is experimentally allowed by present accelerator limits. In the same…

高能物理 - 唯象学 · 物理学 2007-10-16 Jae Sik Lee , Stefano Scopel

Given the recent constraints from the dark matter (DM) direct detections, we examine a light GeV-scale (2-30 GeV) neutralino DM in the alignment limit of the Minimal Supersymmetric Standard Model (MSSM). In this limit without decoupling,…

高能物理 - 唯象学 · 物理学 2018-02-01 Guang Hua Duan , Wenyu Wang , Lei Wu , Jin Min Yang , Jun Zhao

We examine the parameter space of the constrained MSSM by considering various experimental constraints. For the dark matter sector, we require the neutralino dark matter to account for the relic density measured by the WMAP and satisfy the…

高能物理 - 唯象学 · 物理学 2012-04-12 Junjie Cao , Zhaoxia Heng , Dongwei Li , Jin Min Yang

We study light, thermal neutralino dark matter in the sub-GeV to 65 GeV mass range in the Minimal Supersymmetric extension of the Standard Model (MSSM). We consider realizations of the limit of alignment without decoupling in the Higgs…

高能物理 - 唯象学 · 物理学 2016-12-20 Stefano Profumo , Tim Stefaniak

We investigate the constraints to the light neutralino dark matter scenario in the minimal supersymmetric standard model from available experimental observations such as decays of B and K meson, relic dark matter abundance, and the search…

高能物理 - 唯象学 · 物理学 2015-03-19 Lorenzo Calibbi , Toshihiko Ota , Yasutaka Takanishi

The observed excesses in the search for neutralinos and charginos by ATLAS and CMS can be fitted simultaneously in the minimal supersymmetric standard model (MSSM) assuming a light higgsino mass, of magnitude less than about 250 GeV, and a…

高能物理 - 唯象学 · 物理学 2024-05-01 Ulrich Ellwanger , Cyril Hugonie , Stephen F. King , Stefano Moretti

We present global fits of the constrained Minimal Supersymmetric Standard Model (cMSSM) and the Non-Universal Higgs Model (NUHM), including the most recent CMS constraint on the Higgs boson mass, 5.8/fb integrated luminosity null…

高能物理 - 唯象学 · 物理学 2014-04-28 C. Strege , G. Bertone , F. Feroz , M. Fornasa , R. Ruiz de Austri , R. Trotta

The discovery of a Higgs boson with a mass of 126 GeV at the LHC when combined with the non-observation of new physics both in direct and indirect searches imposes strong constraints on supersymmetric models and in particular on the top…

高能物理 - 唯象学 · 物理学 2015-09-29 Genevieve Belanger , Diptimoy Ghosh , Rohini Godbole , Suchita Kulkarni

In the context of minimal supersymmetric standard model (MSSM), we discuss the possibility of the lightest Higgs boson with mass $M_h = 98 $ GeV to be consistent with the $2.3\sigma$ excess observed at the LEP in the decay mode $e^+e^- \to…

高能物理 - 唯象学 · 物理学 2016-04-13 Biplob Bhattacherjee , Manimala Chakraborti , Amit Chakraborty , Utpal Chattopadhyay , Dilip Kumar Ghosh

In the framework of the MSSM the non-universal boundary conditions of soft SUSY breaking parameters are considered. Taking as input the top, bottom and Z-boson masses, the values of the gauge couplings at the EW scale and the infrared…

高能物理 - 唯象学 · 物理学 2011-01-27 S. Codoban , M. Jurcisin , D. Kazakov

The CMS and ATLAS Collaborations have recently published the results of initial direct LHC searches for supersymmetry analyzing ~ 35/pb of data taken at 7 TeV in the centre of mass. We incorporate these results into a frequentist analysis…

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