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Related papers: CP Violating Asymmetries Induced by Supersymmetry

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In the MSSM with complex parameters, loop corrections to the decay of a stop into a bottom quark and a chargino can lead to a CP violating decay rate asymmetry. We calculate this asymmetry at full one-loop level and perform a detailed…

High Energy Physics - Phenomenology · Physics 2015-05-14 Sebastian M. R. Frank , Helmut Eberl

In the MSSM with complex parameters, loop corrections to the decay of a stop into a bottom quark and a chargino can lead to a CP violating decay rate asymmetry. We calculate this asymmetry at full one-loop level and perform a detailed…

High Energy Physics - Phenomenology · Physics 2010-12-15 Helmut Eberl , Sebastian M. R. Frank , Walter Majerotto

In the minimal supersymmetric standard model (MSSM) with complex parameters, supersymmetric loop effects can lead to \emph{CP} violation. We calculate the rate asymmetries of decays of charginos into the lightest neutralino and a $W$ boson…

High Energy Physics - Phenomenology · Physics 2009-11-07 Wei Min Yang , Dong Sheng Du

In the MSSM with complex parameters loop corrections to the decays $H^+ \to t \bar{b}$ and $H^- \to \bar{t} b$ with $t \to b W$ and $W \to l \nu$ lead to CP-violating asymmetries: a decay rate asymmetry, a forward-backward asymmetry and an…

High Energy Physics - Phenomenology · Physics 2010-10-27 E. Christova , H. Eberl , E. Ginina , W. Majerotto

We study a rate asymmetry in the inclusive decay $\Bsgamma$, assuming the supersymmetric standard model based on N=1 supergravity. A complex coefficient $A$ for scalar-trilinear couplings is the source of CP violation, which is contained in…

High Energy Physics - Phenomenology · Physics 2009-10-31 Mayumi Aoki , Gi-Chol Cho , Noriyuki Oshimo

We discuss a decay rate asymmetry of the top squark, which is induced by a new source of CP violation intrinsic in the supersymmetric standard model. Although new sources of CP violation in this model are severely constrained from the…

High Energy Physics - Phenomenology · Physics 2009-10-31 Mayumi Aoki , Noriyuki Oshimo

In the Standard Model with Minimal Supersymmetry, the Lagrangian contains complex parameters which lead to additional CP violation. We study CP violating asymmetries in the decays of the MSSM charged Higgs boson, induced by loop corrections…

High Energy Physics - Phenomenology · Physics 2008-01-16 Elena Ginina

We study a decay rate asymmetry of the top quark in the supersymmetric standard model, taking into account the constraints from the electric dipole moments of the neutron and the electron. One CP-violating phase contained in the…

High Energy Physics - Phenomenology · Physics 2009-10-31 Mayumi Aoki , Noriyuki Oshimo

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

A decay rate asymmetry of the top quark is discussed within the framework of the supersymmetric standard model. Although new sources of CP violation in this model are severely constrained from the electric dipole moments of the neutron and…

High Energy Physics - Phenomenology · Physics 2007-05-23 Mayumi Aoki

We study CP asymmetries in two-body decays of bottom squarks into charginos and tops. These asymmetries probe the SUSY CP phases of the sbottom and the chargino sector in the Minimal Supersymmetric Standard Model. We identify the MSSM…

High Energy Physics - Phenomenology · Physics 2015-03-13 Frank F. Deppisch , Olaf Kittel

Recent studies about the impact of the CP-violating complex parameters in supersymmetry on the decays of third generation squarks and about T-odd asymmetries in neutralino and chargino production and decay are reviewed. The CP-even…

High Energy Physics - Phenomenology · Physics 2007-05-23 S. Hesselbach

In the MSSM with complex parameters, loop corrections to $\cha_i^\pm \to \neu_j^0 W^\pm$ lead to a CP violating asymmetry $\ACP = (\Gamma(\cha_i^+ \to \neu_j^0 W^+) - \Gamma(\cha_i^- \to \neu_j^0 W^-))/ (\Gamma(\cha_i^+ \to \neu_j^0 W^+) +…

High Energy Physics - Phenomenology · Physics 2010-04-05 H. Eberl , T. Gajdosik , W. Majerotto , B. Schrausser

Measurements of CP asymmetries in B decays will soon be made at $B$ factories and hadron machines. In light of this, we review and update the profile of the CKM unitarity triangle and the resulting CP asymmetries in B decays. This is done…

High Energy Physics - Phenomenology · Physics 2007-05-23 Ahmed Ali , David London

We explore the prospects for observing CP violation in the minimal supersymmetric extension of the Standard Model (MSSM) with six CP-violating parameters, three gaugino mass phases and three phases in trilinear soft supersymmetry-breaking…

High Energy Physics - Phenomenology · Physics 2015-03-03 A. Arbey , J. Ellis , R. M. Godbole , F. Mahmoudi

We discuss and compare the charge-parity (CP) asymmetry in the charged Higgs boson decays H -> \bar{u}_i d_j for the second and third generation quarks in the minimal supersymmetric standard model. As part of the analysis, we derive some…

High Energy Physics - Phenomenology · Physics 2008-11-26 Mariana Frank , Ismail Turan

We analyse the CP problem in the context of a supersymmetric extension of the standard model with universal strength of Yukawa couplings. A salient feature of these models is that the CP phases are constrained to be very small by the…

High Energy Physics - Phenomenology · Physics 2009-09-25 G. C. Branco , M. E. Gomez , S. Khalil , A. M. Teixeira

The CP violating asymmetry between the partial decay rates of $H^+ \to W^+ h^0$ and $H^- \to W^- h^0$ is calculated at one-loop level in MSSM with complex parameters. The dependence on the phases of $A_\tau$ and $M_1$ is discussed.…

High Energy Physics - Phenomenology · Physics 2009-11-10 E. Christova , E. Ginina , M. Stoilov

We consider the prospects for measuring distinctive signatures of the CP-violating phases in the minimal supersymmetric extension of the Standard Model (MSSM) in light of the limits on sparticle masses from searches at the LHC. We use the…

High Energy Physics - Phenomenology · Physics 2020-07-07 A. Arbey , J. Ellis , F. Mahmoudi

We analyze CP violation in the supersymmetric standard model (MSSM) embedded minimally into a left-right symmetric gauge structure with the seesaw mechanism for neutrino masses. With the plausible assumption of universal scalar masses it is…

High Energy Physics - Phenomenology · Physics 2009-12-30 K. S. Babu , B. Dutta , R. N. Mohapatra
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