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Related papers: Explicit CP violation in the MSSM through gg-->H1-…

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We analysed the sensitivity of the process gg to H_1 to gamma-gamma to the explicitly CP-violating phases phi_mu and phi_{A_f} in the Minimal Supersymmetric Standard Model (MSSM) at the Large Hadron Collider (LHC), where H_1 is the lightest…

High Energy Physics - Phenomenology · Physics 2015-05-14 S. Hesselbach , S. Moretti , S. Munir , P. Poulose

The MSSM with explicit CP violation is studied through the di-photon decay channel of the lightest neutral Higgs boson. Through the leading one-loop order H1 --> gammar.gamma is affected by a large number of Higgs-sparticle couplings, which…

High Energy Physics - Phenomenology · Physics 2008-11-26 S. Moretti , S. Munir , P. Poulose

We investigate the hadron collider phenomenology of the Minimal Supersymmetric Standard Model (MSSM) with explicit CP violation for Higgs bosons that can be observed in Standard Model search channels: W/ZH(->b-bbar) at the Tevatron, and…

High Energy Physics - Phenomenology · Physics 2008-11-26 M. Carena , J. Ellis , S. Mrenna , A. Pilaftsis , C. E. M. Wagner

We introduce and explore new heavy Higgs scenarios in the Minimal Supersymmetric Standard Model (MSSM) with explicit CP violation, which have important phenomenological implications that may be testable at the LHC. For soft…

High Energy Physics - Phenomenology · Physics 2016-03-23 M. Carena , J. Ellis , J. S. Lee , A. Pilaftsis , C. E. M. Wagner

In this work, we adress the phenomenological consequences of explicit CP violation on direct Higgs-boson searches at high energy colliders. Having a restricted parameter space, we concentrate on the recently proposed gluino-axion model, and…

High Energy Physics - Phenomenology · Physics 2014-11-17 Muge Boz

Decays into neutralinos and charginos are among the most accessible supersymmetric decay modes of Higgs particles in most supersymmetric extensions of the Standard Model. In the presence of explicitly CP--violating phases in the soft…

High Energy Physics - Phenomenology · Physics 2009-01-07 S. Y. Choi , Manuel Drees , Jae Sik Lee , J. Song

We investigate the observability of the lightest Higgs boson in the gluon-fusion channel at the CERN Large Hadron Collider (LHC) in the minimal supersymmetric Standard Model with explicit CP-violating mixing among three neutral Higgs…

High Energy Physics - Phenomenology · Physics 2009-11-07 S. Y. Choi , Kaoru Hagiwara , Jae Sik Lee

We analyse the impact of explicit CP-violation in the Higgs sector of the Next-to-Minimal Supersymmetric Standard Model (NMSSM) on its consistency with the Higgs boson data from the Large Hadron Collider (LHC). Through detailed scans of the…

High Energy Physics - Phenomenology · Physics 2015-08-04 Stefano Moretti , Shoaib Munir

Supersymmetric extensions of the standard model generically contain additional sources of CP violation. We discuss how at one loop a potentially large CP violating coupling of the lightest Higgs, h^0, to leptons is induced in the minimal…

High Energy Physics - Phenomenology · Physics 2016-08-25 K. S. Babu , Christopher Kolda , John March-Russell , Frank Wilczek

We briefly comment on the question of spontaneous CP violation for several models of weak interactions. We focus on one of the minimal extensions of the Standard Model where spontaneous CP violation is viable,the next-to-minimal…

High Energy Physics - Phenomenology · Physics 2007-05-23 Ana M. Teixeira

We study CP-violating phenomena in the production, mixing and decay of a coupled system of CP-violating neutral Higgs bosons at \gamma \gamma colliders, assuming a Minimal Supersymmetric Standard Model (MSSM) Higgs sector in which CP…

High Energy Physics - Phenomenology · Physics 2009-09-11 John Ellis , Jae Sik Lee , Apostolos Pilaftsis

We study the explicit $CP$ violation of the Higgs sector in the minimal supersymmetric standard model with a gauge singlet Higgs field. The magnitude of $CP$ violation is discussed in the limiting cases of $x\gg v_1,\ v_2$ and $x\ll v_1,\…

High Energy Physics - Phenomenology · Physics 2010-11-01 Masahisa MATSUDA , Morimitsu TANIMOTO

We present the general formalism for studying CP-violating phenomena in the production, mixing and decay of a coupled system of CP-violating neutral Higgs bosons at high-energy colliders. Considering the Minimal Supersymmetric Standard…

High Energy Physics - Phenomenology · Physics 2008-11-26 John Ellis , Jae Sik Lee , Apostolos Pilaftsis

One loop mediated charged Higgs bosons decays $H^\pm\to W^\pm V$, $V= Z, \gamma$ are studied in the Minimal Supersymmetric Standard Model (MSSM) with and without CP violating phases. We evaluate the MSSM contributions to these processes…

High Energy Physics - Phenomenology · Physics 2010-11-03 Abdesslam Arhrib , Rachid Benbrik , Mohamed Chabab , Wei Ting Chang , Tzu-Chiang Yuan

We report on the possibility of observing Higgs sector CP violation of the minimal supersymmetric standard model at a hadron machine. The CP phase dependent cross-sections for the $VH_i$ associated production processes are given for the…

High Energy Physics - Phenomenology · Physics 2009-11-07 Abdesselam Arhrib , Dilip Kumar Ghosh , Otto C. W. Kong

In the CP-violating Minimal Supersymmetric Standard Model (MSSM), for certain values of the CP-violating phases associated to the universal trilinear couplings $(A_t, A_b)$ and the gluino mass $(M_{\tilde g})$, e.g., $\Phi_{\rm{CP}} =…

High Energy Physics - Phenomenology · Physics 2009-01-07 Dilip Kumar Ghosh , Stefano Moretti

The Minimal Supersymmetric Standard Model (MSSM) with explicit CP violation is studied with the help of the di-photon decay channel of the lightest neutral Higgs boson. Effects of CP violation, entering via the scalar/pseudo-scalar mixing…

High Energy Physics - Phenomenology · Physics 2008-11-26 S. Hesselbach , S. Moretti , S. Munir , P. Poulose

We study the effect of explicit CP violation in the Higgs sectors of the MSSM in the di-photon decay of the lightest CP-mixed Higgs state. Further it is shown that the gluon fusion production mechanism along with the di-photon decay…

High Energy Physics - Phenomenology · Physics 2015-05-27 S. Hesselbach , S. Moretti , S. Munir , P. Poulose

We study that a minimal supersymmetric standard model with an extra $U(1)'$ gauge symmetry may accommodate the explicit CP violation at the one-loop level through radiative corrections. This model is CP conserving at the tree level and…

High Energy Physics - Phenomenology · Physics 2008-11-26 S. W. Ham , E. J. Yoo , S. K. OH

We re-examine spontaneous CP violation at the tree level in the context of the next-to-minimal supersymmetric standard model (NMSSM) with two Higgs doublets and a gauge singlet field. We analyse the most general Higgs potential without a…

High Energy Physics - Phenomenology · Physics 2010-02-03 G. C. Branco , F. Krüger , J. C. Romão , A. M. Teixeira
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