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- Mihoko M Nojiri, Kazuki Sakurai, Yasuhiro Shimizu, Michihisa Takeuchi
- 2008

The ATLAS and CMS experiments at the Large Hadron Collider (LHC) may discover the squarks (˜ q) and gluino (˜ g) of the minimal supersymmetric standard model (MSSM) in the early stage of the experiments if their masses are lighter than 1.5 TeV. In this paper we propose the subsystem m T 2 variable (m sub T 2), which is sensitive to the gluino mass when m ˜… (More)

- K. J. de Vries, E. A. Bagnaschi, O. Buchmueller, R. Cavanaugh, M. Citron, A. De Roeck +11 others
- 2015

We present a frequentist analysis of the parameter space of the pMSSM10, in which the following ten soft SUSY-breaking parameters are specified independently at the mean scalar top mass scale M SUSY ≡ √ m ˜ t 1 m ˜ t 2 : the gaugino masses M 1,2,3 , the first-and second-generation squark masses m ˜ q 1 = m ˜ q 2 , the third-generation squark mass m ˜ q 3 ,… (More)

- E. A. Bagnaschi, O. Buchmueller, R. Cavanaugh, M. Citron, A. De Roeck, M. J. Dolan +10 others
- 2015

Different mechanisms operate in various regions of the MSSM parameter space to bring the relic density of the lightest neutralino, ˜ χ 0 1 , assumed here to be the lightest SUSY particle (LSP) and thus the dark matter (DM) particle , into the range allowed by astrophysics and cosmol-ogy. These mechanisms include coannihilation with some nearly degenerate… (More)

Fastlim is a tool to calculate conservative limits on extensions of the Standard Model from direct LHC searches without performing any Monte Carlo event generation. The program reconstructs the visible cross sections (cross sections after event selection cuts) from pre-calculated efficiency tables and cross section tables for simplified event topologies. As… (More)

- Sung-Gi Kim, Nobuhiro Maekawa, Keiko I Nagao, Mihoko M Nojiri, Kazuki Sakurai
- 2009

We study the LHC signature of the minimal supersymmetric standard model with non-universal sfermion masses. In the model, soft masses of gauginos and the 3rd generation of 10 of SU(5) are around the weak scale, while other sfermion soft mass is universal and around a few TeV. Such sfermion mass spectrum is motivated not only from flavor, CP and naturalness… (More)

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