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We present the renormalization scheme used in and the characteristic features of GRACE/SUSY-loop, the package of the program for the automatic calculation of the MSSM processes including one-loop order corrections. The two-body and…

High Energy Physics - Phenomenology · Physics 2007-11-01 Fujimoto Junpei , Ishikawa Tadashi , Jimbo Masato , Kon Tadashi , Kurihara Yoshimasa , Kuroda Masaaki

We analyze the partial decay widths of sfermions decaying into charginos and neutralinos \Gamma(\sfermion -> f'\chi) at the one-loop level. We present the renormalization framework, and discuss the value of the corrections for top- and…

High Energy Physics - Phenomenology · Physics 2007-05-23 Jaume Guasch , Wolfgang Hollik , Joan Sola

The partial widths are determined for squark decays to gluinos and quarks, and gluino decays to squarks and quarks, respectively. The widths are calculated including one-loop SUSY-QCD corrections. The corrections amount to $+$30\% to…

High Energy Physics - Phenomenology · Physics 2009-10-28 W. Beenakker , R. Höpker , P. M. Zerwas

We have completed the one-loop renormalisation of the Next-to-Minimal Supersymmetric Standard Model (NMSSM) allowing for and comparing between different renormalisation schemes. A special attention is paid to on-shell schemes. We study a…

High Energy Physics - Phenomenology · Physics 2016-06-29 G. Belanger , V. Bizouard , F. Boudjema , G. Chalons

We describe a fully generic implementation of two-body partial decay widths at the full one-loop level in the SARAH and SPheno framework compatible with most supported models. It incorporates fermionic decays to a fermion and a scalar or a…

High Energy Physics - Phenomenology · Physics 2017-12-06 Mark D. Goodsell , Stefan Liebler , Florian Staub

We present a full one-loop calculation of the electroweak corrections to the partial decay widths of the fermionic modes of sfermions \Gamma(\sfermion \to f'\chi). The main technical points of the renormalization are presented, and the main…

High Energy Physics - Phenomenology · Physics 2011-01-27 Jaume Guasch , Wolfgang Hollik , Joan Sola

We evaluate all two-body decay modes of the gluino, in the Minimal Supersymmetric Standard Model with complex parameters (cMSSM). This constitutes an important step in the cascade decays of SUSY particles at the LHC. The evaluation is based…

High Energy Physics - Phenomenology · Physics 2015-06-03 S. Heinemeyer , C. Schappacher

We present results on the full one-loop electroweak radiative corrections to the squark decay partial widths into charginos and neutralinos. We show the renormalization framework, and present numerical results for the third squark family.…

High Energy Physics - Phenomenology · Physics 2011-01-27 Jaume Guasch , Wolfgang Hollik , Joan Sola

We present a definition of an on-shell renormalization scheme for the sfermion and chargino-neutralino sector of the Minimal Supersymmetric Standard Model (MSSM). Then, apply this renormalization framework to the interaction between…

High Energy Physics - Phenomenology · Physics 2009-11-07 Jaume Guasch , Wolfgang Hollik , Joan Sola

An on-shell renormalisation programme for the chargino/neutralino and the sfermion sectors within the Minimal Supersymmetric Standard Model as implemented in a fully automated code, SloopS, for the calculation of one-loop processes at the…

High Energy Physics - Phenomenology · Physics 2009-11-05 N. Baro , F. Boudjema

GRACE/SUSY-loop is a program package for the automatic calculation of the MSSM amplitudes in one-loop order. We present features of GRACE/SUSY-loop, processes calculated using GRACE/SUSY-loop and an extension of the non-linear gauge…

High Energy Physics - Phenomenology · Physics 2010-06-18 M. Jimbo , K. Iizuka , T. Ishikawa , K. Kato , T. Kon , Y. Kurihara , M. Kuroda

Strategy and results for complete one-loop computations in the Minimal Supersymmetric Standard Model are reviewed, with applications to the calculation of SUSY mass spectra and SUSY-particle processes. Determination of renormalization…

High Energy Physics - Phenomenology · Physics 2009-11-10 T. Fritzsche , W. Hollik

We present the full one-loop corrections to charged and CP-even neutral Higgs boson decays into sfermions including also the crossed channels. The calculation was carried out in the minimal supersymmetric extension of the Standard Model and…

High Energy Physics - Phenomenology · Physics 2008-11-26 C. Weber , K. Kovarik , H. Eberl , W. Majerotto

The mass spectrum of the chargino--neutralino sector in the minimal supersymmetric standard model (MSSM) is calculated at the one-loop level, based on the complete set of one-loop diagrams. On-shell renormalization conditions are applied to…

High Energy Physics - Phenomenology · Physics 2011-09-13 T. Fritzsche , W. Hollik

We have been developing a program package called GRACE/SUSY-loop which is for the automatic calculations of the MSSM amplitudes in one-loop order. The non-linear gauge (NLG) fixing conditions play the crucial role in the calculations in…

High Energy Physics - Phenomenology · Physics 2015-03-17 Masato Jimbo , Tadashi Ishikawa , Masaaki Kuroda

We present the one-loop corrected decay widths for the decays of the neutral Higgs bosons h^0, H^0, and A^0 into a neutralino pair neu_m neu_n (m, n = 1, >..., 4) and to the decay neu_m -> (h^0, H^0, A^0) + neu_n. The corrections contain…

High Energy Physics - Phenomenology · Physics 2009-11-07 H. Eberl , M. Kincel , W. Majerotto , Y. Yamada

The Fortran code SDECAY calculates the decay widths and branching ratios of all supersymmetric (SUSY) particles in the Minimal Supersymmetric Standard Model (MSSM), including higher order effects. The usual two-body decays of sfermions and…

High Energy Physics - Phenomenology · Physics 2007-05-23 M. Muhlleitner

The present status of the calculation of radiative corrections to chargino and neutralino pair production processes in the MSSM is summarized. The main focus will be on the use of the on-shell renormalization scheme for charginos and…

High Energy Physics - Phenomenology · Physics 2007-05-23 T. Fritzsche

We reexamine the renormalization group equations (RGEs) for the dimensionless and dimensionful parameters of the Minimal Supersymmetric Standard Model (MSSM), incorporating 1-loop thresholds. The inclusion of these thresholds necessarily…

High Energy Physics - Phenomenology · Physics 2015-05-14 Andrew D. Box

SFOLD (Sfermion Full One Loop Decays) is a Fortran program package for calculating all sfermion two-body decay widths and the corresponding branching ratios at full one-loop level within the MSSM. The package adopts the SUSY Parameter…

High Energy Physics - Phenomenology · Physics 2015-05-27 H. Hlucha , H. Eberl , W. Frisch
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