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Related papers: Large Phases and CP Violation in SUSY

200 papers

We investigate CP violating 2 Higgs doublet models as an effective theory emerging from models with an $SU(3)_L \otimes U(1)_X$ gauge symmetry. Because of the extension of the electroweak symmetry, a characteristic structure of Yukawa…

High Energy Physics - Phenomenology · Physics 2022-06-22 Zhiyi Fan , Kei Yagyu

Most phenomenological analyses of searches for supersymmetric particles have been performed within the MSSM with real SUSY parameters and conserved R-parity and lepton flavour. Here we summarize recent results obtained in the (s)lepton…

High Energy Physics - Phenomenology · Physics 2007-05-23 A. Bartl , K. Hidaka , M. Hirsch , J. Kalinowski , T. Kernreiter , W. Majerotto , W. Porod , J. C. Romão , J. W. F. Valle

In supersymmetric (SUSY) extensions of the seesaw mechanism the neutrino Yukawa interaction induces the flavor and CP violating sfermion mass terms via the radiative correction. In this article we review the CP violating phenomena in the…

High Energy Physics - Phenomenology · Physics 2017-08-23 Junji Hisano

Effects of CP violation on the supersymmetric electro-weak correction to the anomalous magnetic moment of the muon are investigated with the most general allowed set of CP violating phases in MSSM. The analysis includes contributions from…

High Energy Physics - Phenomenology · Physics 2009-10-31 Tarek Ibrahim , Pran Nath

Electric dipole moments (EDMs) of elementary particles are powerful probes of new physics with flavor-diagonal CP violation. The reported discrepancy in the muon anomalous magnetic moment motivates us to explore to what extent new physics…

High Energy Physics - Phenomenology · Physics 2022-06-03 Yuichiro Nakai , Ryosuke Sato , Yoshihiro Shigekami

An analytic analysis of the CP violating effects arising from the soft SUSY breaking parameters on the decays $B^0_{s,d}\to \it l^+\it l^-$ at large $\tan\beta$ is given. It is found that the phases have a strong effect on the branching…

High Energy Physics - Phenomenology · Physics 2008-11-26 Tarek Ibrahim , Pran Nath

The modern theories of Grand Unification (GUT) and supersymmetric (SUSY) extensions of standard model (SM) suppose that the conservation laws of the SM may be violated to some small degree. The nuclei are well-suited as a laboratory to test…

High Energy Physics - Phenomenology · Physics 2011-04-15 Amand Faessler , Fedor Simkovic

I report our recent works on the effects of % flavor conserving CP violating phases in SUSY models on B and K phenomenology.

High Energy Physics - Phenomenology · Physics 2017-08-23 P. Ko

In the context of Supersymmetric Grand Unified theories with soft breaking terms arising at the Planck scale, it is generally possible to link flavor changing neutral current and CP violating processes occurring in the leptonic and hadronic…

High Energy Physics - Phenomenology · Physics 2009-11-10 M. Ciuchini , A. Masiero , L. Silvestrini , S. K. Vempati , O. Vives

Considering the CP violating phases, we analyze the neutron electric dipole moment (EDM) in a CP violating supersymmetric extension of the standard model where baryon and lepton numbers are local gauge symmetries(BLMSSM). The contributions…

High Energy Physics - Phenomenology · Physics 2015-06-16 Shu-Min Zhao , Tai-Fu Feng , Ben Yan , Hai-Bin Zhang , Yin-Jie Zhang , Biao Chen , Xue-Qian Li

This article reviews the current theoretical and experimental status of the field of muon decay and its potential to search for new physics beyond the Standard Model. The importance of rare muon processes with lepton flavor violation is…

High Energy Physics - Phenomenology · Physics 2008-11-26 Yoshitaka Kuno , Yasuhiro Okada

The possibility of spontaneous breaking of CP symmetry by the expectation values of orbifold moduli is investigated with particular reference to $CP$ violating phases in soft supersymmetry breaking terms. The effect of different mechanisms…

High Energy Physics - Theory · Physics 2014-11-18 D. Bailin , G. V. Kraniotis , A. Love

We study phenomenological aspects of the soft supersymmetry breaking parameters in a model with the extended gauge mediation supersymmetry breaking. In this model gaugino masses can be non-universal and as its result physical CP-phases…

High Energy Physics - Phenomenology · Physics 2009-11-10 D. Suematsu , H. Tsuchida

The dimension-six CP-violating SU_L(2)\times U_Y(1) invariant operators involving the tau lepton are studied. The constraints from the available experimental data on tau dipole moments are derived. Under the current constraints, the induced…

High Energy Physics - Phenomenology · Physics 2009-10-31 Tao Huang , Jin Min Yang , Bing-Lin Young , Xinmin Zhang

In the framework of seesaw mechanism embedded in the constrained Minimal Supersymmetric Standard Model (cMSSM), phases of neutrino Yukawa coupling, $\mu$-term and $A$-terms can all contribute to the Electric Dipole Moment (EDM) of the…

High Energy Physics - Phenomenology · Physics 2008-11-26 D. A. Demir , Y. Farzan

We study the possibilities of spontaneous CP violation in the Next-to-Minimal Supersymmetric Standard Model with an extra singlet tadpole term in the scalar potential. We calculate the Higgs boson masses and couplings with radiative…

High Energy Physics - Phenomenology · Physics 2009-11-10 Cyril Hugonie , Jorge C. Romao , Ana M. Teixeira

In this presentation, we discuss recent key topics in theoretical analyses of CP violation in benchmarks decays of the $B$ meson. We provide the most updated values of the mixing phases and discuss the importance of including the penguin…

High Energy Physics - Phenomenology · Physics 2024-02-28 Eleftheria Malami

We address the challenging issue of how CP violation is realized in higher dimensional gauge theories without higher dimensional elementary scalar fields. In such theories interactions are basically governed by a gauge principle and…

High Energy Physics - Phenomenology · Physics 2010-05-12 C. S. Lim , Nobuhito Maru , Kenji Nishiwaki

In this Snowmass whitepaper, we describe the impact of ongoing and proposed intensity frontier experiments on the parameter space of the Minimally Supersymmetric Standard Model (MSSM). We extend a set of phenomenological MSSM (pMSSM) models…

High Energy Physics - Phenomenology · Physics 2013-10-01 Joshua Berger , Matthew W. Cahill-Rowley , Diptimoy Ghosh , JoAnne L. Hewett , Ahmed Ismail , Thomas G. Rizzo

We study phenomenological features in an extended gauge mediation SUSY breaking model which has non-universal gaugino masses and CP phases. We show that large CP phases in soft SUSY breaking parameters can be consistent with the constraints…

High Energy Physics - Phenomenology · Physics 2008-11-26 Daijiro Suematsu