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We calculate the two body Higgs boson decays in the framework of the littlest Higgs model. The decay $H \to \gamma Z$ is computed at one loop level and, using previous results, we evaluate the branching fractions in the framework of the…

High Energy Physics - Phenomenology · Physics 2014-11-17 G. A. Gonzalez-Sprinberg , R. Martinez , J. -Alexis Rodriguez

We evaluate all two-body decay modes of the heavy scalar top quark in the Minimal Supersymmetric Standard Model with complex parameters (cMSSM) and no generation mixing. The evaluation is based on a full one-loop calculation of all decay…

High Energy Physics - Phenomenology · Physics 2013-05-30 T. Fritzsche , S. Heinemeyer , H. Rzehak , C. Schappacher

Various Higgs factories are proposed to study the Higgs boson precisely and systematically in a model-independent way. In this study, the Particle Flow Network and ParticleNet techniques are used to classify the Higgs decays into…

High Energy Physics - Experiment · Physics 2022-11-23 Gang LI , Libo Liao , Xinchou Lou , Peixun Shen , Weimin Song , Shudong Wang , Zhaoling Zhang

We evaluate two-body decay modes of charginos in the Minimal Supersymmetric Standard Model with complex parameters (cMSSM). Assuming heavy scalar quarks we take into account all decay channels involving charginos, neutralinos, (scalar)…

High Energy Physics - Phenomenology · Physics 2012-10-20 S. Heinemeyer , F. von der Pahlen , C. Schappacher

We present the three-body decay of the Higgs boson into two leptons and a photon to dimension-eight in the Standard Model Effective Field Theory (SMEFT). In order to obtain this result we interfere the full one-loop Standard Model result…

High Energy Physics - Phenomenology · Physics 2022-11-23 T. Corbett , T. Rasmussen

NMSPEC is a Fortran code that computes the sparticle and Higgs masses, as well as Higgs decay widths and couplings in the NMSSM, with soft SUSY breaking terms specified at MGUT. Exceptions are the soft singlet mass m_s^2 and the singlet…

High Energy Physics - Phenomenology · Physics 2008-11-26 Ulrich Ellwanger , Cyril Hugonie

We calculate the total and partial inclusive Higgs widths at leading order in the Standard Model Effective Field Theory (SMEFT). We report results incorporating SMEFT corrections for two and four body Higgs decays through vector currents in…

High Energy Physics - Phenomenology · Physics 2019-10-10 Ilaria Brivio , Tyler Corbett , Michael Trott

We present an extension to the Mathematica package SARAH which allows for Higgs mass calculations at the two-loop level in a wide range of supersymmetric models beyond the MSSM. These calculations are based on the effective potential…

High Energy Physics - Phenomenology · Physics 2015-03-13 Mark D. Goodsell , Kilian Nickel , Florian Staub

The decay of the Standard Model Higgs boson in the intermediate-mass range into gluons is considered where special emphasis is put on the influence of the leading electroweak corrections proportional to G_F m_t^2. An effective Lagrangian…

High Energy Physics - Phenomenology · Physics 2009-10-31 Matthias Steinhauser

We present the Fortran code SuSpect version 2.3, which calculates the Supersymmetric and Higgs particle spectrum in the Minimal Supersymmetric Standard Model (MSSM). The calculation can be performed in constrained models with universal…

High Energy Physics - Phenomenology · Physics 2008-11-26 Abdelhak Djouadi , Jean-Loic Kneur , Gilbert Moultaka

I discuss the decay modes of the neutral and charged Higgs bosons in the minimal supersymmetric extension of the Standard Model. Special emphasis will be put on the the QCD corrections to the hadronic decay modes, the below threshold -three…

High Energy Physics - Phenomenology · Physics 2007-05-23 Abdelhak Djouadi

Consideration of the latest experimental data on the searches for extended sector of Higgs bosons produced at the LHC at a center-of-mass energy of 13 TeV, allows for computer modeling of the properties of supersymmetric particles within…

High Energy Physics - Phenomenology · Physics 2020-04-24 T. V. Obikhod , E. A. Petrenko

We describe the new version (v2.73y) of the code HFODD which solves the nuclear Skyrme Hartree-Fock or Skyrme Hartree-Fock-Bogolyubov problem by using the Cartesian deformed harmonic-oscillator basis. In the new version, we have implemented…

We compare the decay of the heavy Higgs boson into two SM-like Higgs bosons, $H\to hh$, calculated in a Feynman-diagrammatic approach at the one-loop level based on the one hand on the full effective potential involving the top quark and…

High Energy Physics - Phenomenology · Physics 2019-03-28 Stefan Liebler , Margarete Mühlleitner , Michael Spira , Maximilian Stadelmaier

We describe in some detail the present features of an automatic loop calculation program as well as the integration techniques that go into it. The program, called XLOOPS 1.0, allows one to calculate massive one- and two-loop Feynman…

High Energy Physics - Phenomenology · Physics 2009-09-25 A. Frink , J. G. Körner , J. B. Tausk

We evaluate all two-body decay modes of the heavy scalar tau in the Minimal Supersymmetric Standard Model with complex parameters (cMSSM) and no generation mixing. The evaluation is based on a full one-loop calculation of all decay…

High Energy Physics - Phenomenology · Physics 2015-06-04 S. Heinemeyer , C. Schappacher

We perform a comprehensive global analysis in the Minimal Supersymmetric Standard Model (MSSM) as well as in the 2-Higgs Doublet Model (2HDM) of the production and decay mechanisms of charged Higgs bosons $(H^\pm)$ at the Large Hadron…

High Energy Physics - Phenomenology · Physics 2020-03-20 Abdesslam Arhrib , Rachid Benbrik , Hicham Harouiz , Stefano Moretti , Abdessamad Rouchad

In order to identify the Higgs sector using future precision data, we calculate the partial decay widths of the discovered Higgs boson with the mass of 125 GeV into fermion pairs and gauge-boson pairs with one-loop electroweak and one-loop…

High Energy Physics - Phenomenology · Physics 2018-07-03 Shinya Kanemura , Mariko Kikuchi , Kentarou Mawatari , Kodai Sakurai , Kei Yagyu

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

We study the production of scalar and pseudoscalar Higgs bosons via gluon fusion and bottom-quark annihilation in the MSSM. Relying on the NNLO-QCD calculation implemented in the public code SusHi, we provide precise predictions for the…

High Energy Physics - Phenomenology · Physics 2014-06-30 E. Bagnaschi , R. V. Harlander , S. Liebler , H. Mantler , P. Slavich , A. Vicini