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Related papers: Oblique Corrections in the MSSM at One Loop. I. Sc…

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This paper is the completion of an earlier work arXiv:1207.4867 which involves the derivation of oblique corrections in the MSSM at one loop. In terms of the two-component spinor formalism, which is new in compared with those used in the…

High Energy Physics - Phenomenology · Physics 2012-12-27 Yao Yu , Sibo Zheng

If no new physics signals are found, in the coming years, at the Large Hadron Collider Run-2, an increase in precision of the Higgs couplings measurements will shift the dicussion to the effects of higher order corrections. In Beyond the…

High Energy Physics - Phenomenology · Physics 2017-08-02 Raul Costa , Marco O. P. Sampaio , Rui Santos

We provide a full one-loop calculation of the self energies and tadpoles of the neutral Higgs bosons of the NMSSM. In addition, we compute the two-loop O(alpha_t*alpha_s+alpha_b*alpha_s) corrections to the neutral Higgs boson masses in the…

High Energy Physics - Phenomenology · Physics 2009-11-09 G. Degrassi , P. Slavich

The leading electroweak MSSM two-loop corrections to the $\rho$-parameter are calculated. They are obtained by evaluating the two-loop self-energies of the Z and the W boson at O(Gf^2 m_t^4) in the limit of heavy scalar quarks. A very…

High Energy Physics - Phenomenology · Physics 2007-05-23 S. Heinemeyer , G. Weiglein

The higher-order corrections for the SM-like Higgs boson mass and the trilinear Higgs self-couplings in the Next-to-Minimal Supersymmetric extension of the Standard Model (NMSSM) with Inverse Seesaw Mechanism are significant and highly…

High Energy Physics - Phenomenology · Physics 2025-06-04 Thi Nhung Dao , Martin Gabelmann , Margarete Mühlleitner

We compute one-loop corrections to the mass matrix of the neutral Higgs bosons of the Minimal Supersymmetric Standard Model with explicit CP violation. We use the effective potential method, allowing for arbitrary splitting between squark…

High Energy Physics - Phenomenology · Physics 2009-10-31 S. Y. Choi , Manuel Drees , Jae Sik Lee

We calculate the full electroweak one-loop corrections to the decay of the CP-odd Higgs boson A^0 into scalar quarks in the minimal supersymmetric extension of the Standard Model (MSSM). Due to the complex structure of the electroweak…

High Energy Physics - Phenomenology · Physics 2014-11-17 C. Weber , H. Eberl , W. Majerotto

We calculate the full electroweak one-loop corrections to the decay of the CP-odd Higgs boson A^0 into scalar fermions in the minimal supersymmetric extension of the Standard Model. For this purpose many parameters of the MSSM have to be…

High Energy Physics - Phenomenology · Physics 2009-11-10 C. Weber , H. Eberl , W. Majerotto

We analyze the minimal supersymmetric Higgs self-couplings at O(alpha_t alpha_s) within the effective potential approach. The two-loop corrections turn out to be of moderate size in the DRbar scheme if the central scale is chosen as half…

High Energy Physics - Phenomenology · Physics 2014-12-24 Mathias Brucherseifer , Ryan Gavin , Michael Spira

We calculate the squarks one-loop corrections to the cross sections of the chared Higgs boson pair production in photon-photon collisions in the minimal supersymmetric extension of standard model(MSSM). In general, in case of the large…

High Energy Physics - Phenomenology · Physics 2009-10-30 Shou Hua Zhu , Chong Sheng Li , Chong Shou Gao

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

The Higgs boson effective self-couplings $\lambda_{hhh}$ and $\lambda_{HHH}$ are calculated in the framework of the Minimal Supersymmetric Standard Model (MSSM) for the complete set of one-loop diagrams with one of the Higgs bosons…

High Energy Physics - Phenomenology · Physics 2007-05-23 M. V. Dolgopolov , Yu. P. Philippov

The one-loop effective potential is a powerful tool in studying the electroweak symmetry breaking of supersymmetric theories, whose precise calculation may have important phenomenological consequences. In this work, we are correctly…

High Energy Physics - Phenomenology · Physics 2008-11-26 M. Argyrou , A. Katsikatsou , I. Malamos

We study the O(at*as + at^2) two-loop corrections to the minimization conditions of the MSSM effective potential, providing compact analytical formulae for the Higgs tadpoles. We connect these results with the renormalization group running…

High Energy Physics - Phenomenology · Physics 2010-04-05 Athanasios Dedes , Pietro Slavich

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

Results for the leading two-loop corrections of $\mathcal{O}{\left(\alpha_t^2\right)}$ from the Yukawa sector to the Higgs-boson masses of the MSSM with complex parameters are presented. The corresponding self-energies and their…

High Energy Physics - Phenomenology · Physics 2015-06-18 Wolfgang Hollik , Sebastian Paßehr

We consider the leading one-loop Yukawa-coupling corrections to the h^0 b b-bar coupling at O(m_t^2)in the MSSM in the decoupling limit. The decoupling behavior of the corrections from the various MSSM sectors is analyzed in the case of…

High Energy Physics - Phenomenology · Physics 2009-11-11 Howard E. Haber , Heather E. Logan , Siannah Penaranda , David Temes

The complete one-loop electroweak corrections to charged Higgs boson pair production in $\gamma\gamma$ collision mode at linear colliders in the minimal supersymmetric standard model (MSSM), are calculated in this paper. We discuss the…

High Energy Physics - Phenomenology · Physics 2009-11-11 Wang Lei , Jiang Yi , Ma Wen-Gan , Han Liang , Zhang Ren-You

Electroweak precision measurements, encoded in the oblique parameters, give strong constraints on physics beyond the Standard Model. The oblique parameters S, T, U (V, W, X) are calculated in the next-to-minimal supersymmetric model…

High Energy Physics - Phenomenology · Physics 2012-07-05 M. Maniatis , Y. Schroder

We examine the electroweak breaking mechanism in the minimal supersymmetric standard model (MSSM) using the {\em complete} one-loop effective potential $V_1$. First, we study what is the region of the whole MSSM parameter space (i.e.…

High Energy Physics - Phenomenology · Physics 2008-11-26 B. de Carlos , J. A. Casas
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