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Related papers: Gluino Decays in the Complex MSSM: A Full One-Loop…

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We present results from a new calculation of two- and three-body decays of the gravitino including all possible Feynman graphs. The work is done in the R-parity conserving Minimal Supersymmetric Standard Model, assuming that the gravitino…

High Energy Physics - Phenomenology · Physics 2015-06-16 Helmut Eberl , Vassilis C. Spanos

We evaluate the full next-to-leading order supersymmetric (SUSY) electroweak and SUSY-QCD corrections to the on-shell two-body decays of the charged Higgs bosons in the framework of the CP-conserving and CP-violating Next-to-Minimal…

High Energy Physics - Phenomenology · Physics 2021-01-01 Thi Nhung Dao , Margarete Muhlleitner , Shruti Patel , Kodai Sakurai

In this talk I present a detailed SUSY QCD calculation of the decay rate of the lightest Higgs boson $H^0_2$\ into two gluons, where all quarks and scalar quarks are taken within the relevant loop diagrams. I include the mixing of all the…

High Energy Physics - Phenomenology · Physics 2007-05-23 Heinz König

In the minimal supersymmetric standard model (MSSM) properties of the third generation sfermions are important from the viewpoint of discriminating the SUSY breaking models and in the determination of the Higgs boson mass. If gluinos are…

High Energy Physics - Phenomenology · Physics 2009-11-07 Junji Hisano , Kiyotomo Kawagoe , Ryuichiro Kitano , Mihoko M. Nojiri

The effect of loops involving charginos with up-type squarks, and gluinos with down-type squarks, on the inclusive decay mode $b\rightarrow s\gamma$ is studied in the context of minimal $N=1$ Supergravity models with a radiatively broken…

High Energy Physics - Phenomenology · Physics 2007-05-23 Marco Aurelio Diaz

We present the Fortran code SDECAY, which calculates the decay widths and branching ratios of all the supersymmetric particles in the Minimal Supersymmetric Standard Model, including higher order effects. Besides the usual two-body decays…

High Energy Physics - Phenomenology · Physics 2008-11-26 M. Muhlleitner , A. Djouadi , Y. Mambrini

We analyse relevant signals expected at the LHC, assuming that the gluino is the lightest supersymmetric particle (LSP) in the framework of the $\mu\nu$SSM. In this $R$-parity violating model, the presence of couplings involving…

High Energy Physics - Phenomenology · Physics 2025-05-27 Paulina Knees , Essodjolo Kpatcha , Iñaki Lara , Daniel E. López-Fogliani , Carlos Muñoz , Natsumi Nagata , Hidetoshi Otono

We study the effect of squark-generation mixing on gluino decays in the Minimal Supersymmetric Standard Model (MSSM). We show that due to the effect the quark-flavor violating (QFV) gluino decay branching ratio B(gluino -> c bar{t} (t…

High Energy Physics - Phenomenology · Physics 2010-05-12 K. Hidaka

We deduce the gluino contribution to the three-loop QCD \beta function within the minimal supersymmetric Standard Model (MSSM) from its standard QCD expression. The result is a first step in the computation of the full MSSM three-loop \beta…

High Energy Physics - Phenomenology · Physics 2009-10-30 L. Clavelli , P. W. Coulter , L. R. Surguladze

We study the complete one loop contribution to H^\pm\to W^\pm V, V= Z, \gamma, both in the Minimal Supersymmetric Standard Model (MSSM) and in the Two Higgs Doublet Model (2HDM). We evaluate the MSSM contributions and compare them with the…

High Energy Physics - Phenomenology · Physics 2008-11-26 Abdesslam Arhrib , Rachid Benbrik , Mohamed Chabab

We present the numerical investigation of the fermionic two-body decays of squarks in the Minimal Supersymmetric Standard Model with complex parameters. In the analysis we particularly take into account the cosmological bounds imposed by…

High Energy Physics - Phenomenology · Physics 2008-11-26 Z. Z. Aydin , L. Selbuz

The Higgs bosons of the MSSM can be produced from the decay of SUSY particles. We review the evalulation of two decay modes in the MSSM with complex parameters (cMSSM). The first type is the decay of the heavy scalar top quark to a lighter…

High Energy Physics - Phenomenology · Physics 2015-03-13 S. Heinemeyer , F. v. d. Pahlen , H. Rzehak , C. Schappacher

A complete phenomenological study of the next-to-lightest neutralino decays is performed in the MSSM. The widths and branching ratios for all the possible decay channels (including the radiative decay X0(2) --> X0(1) gamma and the decay…

High Energy Physics - Phenomenology · Physics 2014-11-17 S. Ambrosanio , B. Mele

The constrained Next-to-Minimal Supersymmetric Standard Model (cNMSSM) with mSugra-like boundary conditions at the GUT scale implies a singlino-like LSP with a mass just a few GeV below a stau NLSP. Hence, most of the squark/gluino decay…

High Energy Physics - Phenomenology · Physics 2011-02-03 Ulrich Ellwanger , Alice Florent , Dirk Zerwas

In the MSSM scalar h,H production is mediated by heavy quark and squark loops. The higher order QCD corrections have been obtained some time ago and turned out to be large. The full SUSY QCD corrections have been obained recently including…

High Energy Physics - Phenomenology · Physics 2010-01-21 M. Muhlleitner , H. Rzehak , M. Spira

The partial widths are determined for stop decays to top quarks and gluinos, and gluino decays to stop particles and top quarks (depending on the masses of the particles involved). The widths are calculated including one-loop SUSY-QCD…

High Energy Physics - Phenomenology · Physics 2008-11-26 W. Beenakker , R. Höpker , T. Plehn , P. M. Zerwas

We compute the partial width of the FCNC top quark decay t->c h in the framework of the Minimal Supersymmetric Standard Model, where h = h0, H0, A0 is any of the neutral Higgs of the MSSM. We include the SUSY electroweak, Higgs, and…

High Energy Physics - Phenomenology · Physics 2007-05-23 Jaume Guasch

In the Minimal Supersymmetric Standard Model with complex parameters (cMSSM) we perform a complete one-loop calculation for the Higgs boson masses (including the momentum dependence) and the mixing angles. These corrections are obtained in…

High Energy Physics - Phenomenology · Physics 2007-05-23 M. Frank , S. Heinemeyer , W. Hollik , G. Weiglein

In this article, we study the two body gluino decays $\tilde{g} \rightarrow \tilde{u}_i \bar{u}_g$, $\tilde{g} \rightarrow \tilde{d}_i \bar{d}_g$ with $i=1,2,...6$ and $g=1,2,3$ in the Minimal Supersymmetric Standard Model (MSSM) with quark…

High Energy Physics - Phenomenology · Physics 2021-10-13 S. Ajmal , M. Rehman , F. Tahir

In this talk I present the contribution of gluinos and scalar quarks to the decay rate of the top quark into a charged Higgs boson and a bottom quark within the minimal supersymmetric standard model, including the mixing of the scalar…

High Energy Physics - Phenomenology · Physics 2009-09-25 Heinz König