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Related papers: Explicit CP violation in the MSSM Higgs sector

200 papers

The charged Higgs boson decays $H^\pm\to W^\pm A_1$ and $H^\pm\to W^\pm h_i$ are studied in the framework of the next-to Minimal Supersymmetric Standard Model (NMSSM). It is found that the decay rate for $H^\pm\to W^\pm A_1$ can exceed the…

High Energy Physics - Phenomenology · Physics 2008-11-26 A. G. Akeroyd , Abdesslam Arhrib , Qi-Shu Yan

This paper presents the final interpretation of the results from DELPHI on the searches for Higgs bosons in the Minimal Supersymmetric extension of the Standard Model (MSSM). A few representative scenarios are considered, that include CP…

High Energy Physics - Experiment · Physics 2008-11-26 DELPHI Collaboration , J. Abdallah

It is found that CP symmetry may be explicitly broken in the Higgs sector of a supersymmetric $E_6$ model with two extra neutral gauge bosons at the one-loop level. The phenomenology of the model, the Higgs sector in particular, is studied…

High Energy Physics - Phenomenology · Physics 2010-04-15 S. W. Ham , J. O. Im , E. J. Yoo , S. K. OH

We analyze the prospect for observing the intermediate neutral Higgs boson ($h_2$) in its decay to two lighter Higgs bosons ($h_1$) at the presently operating hadron colliders in the framework of the CP violating MSSM using the PYTHIA event…

High Energy Physics - Phenomenology · Physics 2011-02-18 Siba Prasad Das , Manuel Drees

We study the mass spectra, production and decay properties of the lightest supersymmetric CP-even and CP-odd Higgs bosons in models with spontaneously broken R-parity (SBRP). We compare the resulting mass spectra with expectations of the…

High Energy Physics - Phenomenology · Physics 2009-06-25 M. Hirsch , J. C. Romao , J. W. F. Valle , A. Villanova del Moral

Higgs physics at hadron colliders as the LHC is reviewed within the Standard Model (SM) and its minimal supersymmetric extension (MSSM) by summarizing the present state-of-the-art of theoretical predictions for the production cross sections…

High Energy Physics - Phenomenology · Physics 2021-03-15 Michael Spira

We study the Higgs sector of the secluded $U(1)'$-extended MSSM (sMSSM) focusing on CP violation. Using the one-loop effective potential that includes contributions from quarks and squarks in the third generation, we search for the allowed…

High Energy Physics - Phenomenology · Physics 2009-01-06 Cheng-Wei Chiang , Eibun Senaha

In a minimal supersymmetric extension of the standard model (MSSM) with explicit CP violation a mass of the lightest Higgs boson H_1 in the range 7 GeV} < M_{H_1} < 10 GeV is experimentally allowed by present accelerator limits. In the same…

High Energy Physics - Phenomenology · Physics 2007-10-16 Jae Sik Lee , Stefano Scopel

Complete one-loop results, supplemented by two-loop Higgs propagator-type corrections, are obtained for the class of processes chi^0_i->chi^0_j h_a in the MSSM with CP-violating phases for parameters entering the process beyond lowest…

High Energy Physics - Phenomenology · Physics 2015-05-14 A. C. Fowler

Gluon fusion is the main production mechanism for Higgs bosons with masses up to several hundred GeV in $pp$ collisions at the CERN Large Hadron Collider. We investigate the effects of the CP-violating phases on the fusion process including…

High Energy Physics - Phenomenology · Physics 2014-11-17 S. Y. Choi , Jae Sik Lee

Completely natural electroweak symmetry breaking is easily achieved in supersymmetric models if there is a SM-like Higgs boson, $h$, with $m_h\lsim 100\gev$. In the minimal supersymmetric model, such an $h$ decays mainly to $b\anti b$ and…

High Energy Physics - Phenomenology · Physics 2008-11-26 Radovan Dermisek , John F. Gunion , Bob McElrath

We perform a parameter scan of the phenomenological Minimal Supersymmetric Standard Model (pMSSM) with eight parameters taking into account the experimental Higgs boson results from Run I of the LHC and further low-energy observables. We…

High Energy Physics - Phenomenology · Physics 2017-03-08 Philip Bechtle , Howard E. Haber , Sven Heinemeyer , Oscar Stål , Tim Stefaniak , Georg Weiglein , Lisa Zeune

We study effects of CP violation in the associated production of a charged Higgs boson and a top quark at the LHC, $pp \to tH^\pm + X$. We calculate the CP violating asymmetry between the total cross section for $H^+$ and $H^-$ production…

High Energy Physics - Phenomenology · Physics 2009-10-29 E. Christova , H. Eberl , E. Ginina , W. Majerotto

We analyze the Tevatron and Large Hadron Collider (LHC) reach for the Higgs sector of the Minimal Supersymmetric Standard Model (MSSM) in the presence of explicit CP-violation. Using the most recent studies from the Tevatron and LHC…

High Energy Physics - Phenomenology · Physics 2011-05-12 Patrick Draper , Tao Liu , Carlos E. M. Wagner

The decoupling properties of the Higgs sector in the Minimal Supersymmetric Standard Model (MSSM) imply that a light CP-even Higgs boson discovered at the Tevatron or LHC may closely resemble the Standard Model (SM) Higgs boson. In this…

High Energy Physics - Phenomenology · Physics 2014-11-17 Marcela Carena , Howard E. Haber , Heather E. Logan , Stephen Mrenna

We investigate the electroweak phase transition in the presence of a large CP violation in the squark sector of the MSSM. When the CP violation is large, scalar-pseudoscalar mixing of the Higgs bosons occurs and a large CP violation in the…

High Energy Physics - Phenomenology · Physics 2009-11-07 K. Funakubo , S. Tao , F. Toyoda

The discovery of a light, singlet-like pseudoscalar Higgs boson, $A_1$, of the Next-to-Minimal Supersymmetric Standard Model (NMSSM) could provide a hallmark signature of non-minimal supersymmetry. We review here the potential of the LHC to…

High Energy Physics - Phenomenology · Physics 2015-02-19 Nils-Erik Bomark , Stefano Moretti , Shoaib Munir , Leszek Roszkowski

We study the possibility of spontaneous CP violation in the next-to-minimal supersymmetric standard model (NMSSM). It is shown that the spontaneous CP violation is induced by the radiative effects of top, stop, bottom and sbottom…

High Energy Physics - Phenomenology · Physics 2014-11-17 Naoyuki Haba , Masahisa Matsuda , Morimitsu Tanimoto

We consider supersymmetric models in which the lightest Higgs scalar can decay invisibly consistent with the constraints on the $126$~GeV state discovered at the CERN LHC. We consider the invisible decay in the minimal supersymmetric…

High Energy Physics - Phenomenology · Physics 2013-06-24 B. Ananthanarayan , Jayita Lahiri , P. N. Pandita , Monalisa Patra

Light CP-violating Higgs bosons with mass lower than 70 GeV might have escaped detection in direct searches at the LEP collider. They may remain undetected in conventional search channels at the Tevatron and LHC. In this Letter we show that…

High Energy Physics - Phenomenology · Physics 2008-11-26 B. E. Cox , J. R. Forshaw , J. S. Lee , J. Monk , A. Pilaftsis
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