English
Related papers

Related papers: One-loop calculations for SUSY processes

200 papers

We calculate the two-loop renormalization group equations for the running gaugino masses in general SUSY gauge models, improving our previous result. We also study its consequence to the unification of the gaugino masses in the SUSY SU(5)…

High Energy Physics - Phenomenology · Physics 2009-10-22 Youichi Yamada

The on-shell renormalization scheme for the electroweak theory is well studied in the standard model(SM), but a consistent on-shell renormalization scheme for the minimal supersymmetric standard model(MSSM) is still unknown. In MSSM, we…

High Energy Physics - Phenomenology · Physics 2013-06-07 Zhao Shu-Min , Feng Tai-Fu , Wang Fang , Gao Tie-Jun , Zhang Yin-Jie

The 1-loop corrected decay widths of sparticles (charginos, neutralinos, gluino and sfermions) in the framework of the MSSM are calculated systematically using GRACE/SUSY-loop, which is the program package for the automatic calculation of…

High Energy Physics - Phenomenology · Physics 2014-11-20 K. Iizuka , T. Kon , K. Kato , T. Ishikawa , Y. Kurihara , M. Jimbo , M. Kuroda

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

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

Radiative one-loop corrections to fermion pair production in $e^+e^-$ annihilation are calculated in the Minimal Supersymmetric Standard Model (MSSM). The size of the non-standard corrections is discussed for the process e^+e^- to mu^+mu^-…

High Energy Physics - Phenomenology · Physics 2009-10-31 W. Hollik , C. Schappacher

We present a high precision calculation of chargino and neutralino pair production at $e^+e^-$ colliders. Within the Minimal Supersymmetric Standard Model, the full one-loop and higher order QED corrections are included. Special care has…

High Energy Physics - Phenomenology · Physics 2009-11-11 W. Öller , H. Eberl , W. Majerotto

Extending the Standard Model (SM) with three right-handed neutrinos, the type-I seesaw model serves as the simplest and most natural scenario to successfully explain both tiny neutrino masses and the baryon number asymmetry in the Universe.…

High Energy Physics - Phenomenology · Physics 2026-01-06 Jihong Huang , Shun Zhou

In this paper we compute one-loop corrections to masses and couplings in the minimal supersymmetric standard model. We present explicit formulae for the complete corrections and a set of compact approximations which hold over the unified…

High Energy Physics - Phenomenology · Physics 2009-03-12 Damien M. Pierce , Jonathan A. Bagger , Konstantin T. Matchev , Ren-Jie Zhang

We have calculated the two-loop strong interaction corrections to the chargino pole masses in the DRbar'-scheme in the Minimal Supersymmetric Standard Model (MSSM) with complex parameters. We have performed a detailed numerical analysis for…

High Energy Physics - Phenomenology · Physics 2008-11-26 R. Schofbeck , H. Eberl

In this paper we present the renormalization group equations to one-loop order for all the parameters of two supersymmetric left-right theories that are softly broken. Both models are based upon the gauge group SU(3)^c x SU(2)_L x SU(2)_R x…

High Energy Physics - Phenomenology · Physics 2009-11-11 N. Setzer , S. Spinner

We have developed the system for the automatic computation of cross-sections, {\tt GRACE/SUSY}, including the one-loop calculations for processes of the minimal supersymmetric extension of the the standard model. For an application, we…

High Energy Physics - Phenomenology · Physics 2009-11-10 J. Fujimoto , T. Ishikawa , M. Jimbo , T. Kon , M. Kuroda

For the search for electroweak particles in the Minimal Supersymmetric Standard Model (MSSM) as well as for future precision analyses of these particles an accurate knowledge of their production and decay properties is mandatory. We review…

High Energy Physics - Phenomenology · Physics 2018-01-17 S. Heinemeyer , C. Schappacher

We compute the two-loop renormalization group equations for all soft supersymmetry-breaking couplings in a general softly broken N=1 supersymmetric model. We also specialize these results to the Minimal Supersymmetric Standard Model.

High Energy Physics - Phenomenology · Physics 2014-11-17 Stephen P. Martin , Michael T. Vaughn

We present the decay widths of the heavier Higgs bosons $H^0$ and $A^0$ into chargino pairs in the minimal supersymmetric standard model, including full one-loop corrections. All parameters for charginos are renormalized in the on-shell…

High Energy Physics - Phenomenology · Physics 2009-11-10 H. Eberl , W. Majerotto , Y. Yamada

Very precise measurements of masses and cross sections are expected to be achievable with a future linear collider. With such an accuracy one must incorporate loop corrections in order to make meaningful predictions for the underlying new…

High Energy Physics - Phenomenology · Physics 2013-09-26 Aoife Bharucha

We study analytically the general features of electroweak symmetry breaking in the context of the Minimal Supersymmetric Standard Model extended by one Higgs singlet. The exact analytical forms of the renormalization group evolutions of the…

High Energy Physics - Phenomenology · Physics 2008-11-26 Y. Mambrini , G. Moultaka , M. Rausch de Traubenberg

For the search for electroweak (EW) particles in the Minimal Supersymmetric Standard Model (MSSM) as well as for future precision analyses of these particles an accurate knowledge of their production and decay properties is mandatory. We…

High Energy Physics - Phenomenology · Physics 2018-07-12 S. Heinemeyer , C. Schappacher

In part I general aspects of the renormalization of a spontaneously broken gauge theory have been introduced. Here, in part II, two-loop renormalization is introduced and discussed within the context of the minimal Standard Model.…

High Energy Physics - Phenomenology · Physics 2008-11-26 S. Actis , G. Passarino

We compute the one-loop radiative corrections to the masses of the top quark, the stop squarks and the gluino in the Minimal Supersymmetric Standard Model. We include the loops controlled by the strong coupling constant and the top Yukawa…

High Energy Physics - Phenomenology · Physics 2009-10-28 A. Donini