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Related papers: CP Violation and the Muon Anomaly in N=1 Supergrav…

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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

We use the recently derived CP phase dependent analytic results for the supersymmetric electro-weak correction to $g_{\mu}-2$ to constrain the explicit CP phases in softly broken supersymmetry using the new physics effect seen in the g-2…

High Energy Physics - Phenomenology · Physics 2014-11-17 Tarek Ibrahim , Utpal Chattopadhyay , Pran Nath

We propose to test the CP symmetry in the reactions Z -> mu+ mu- gamma and Z -> tau+ tau- gamma. The experimental analysis of angular correlations allows to determine a set of effective couplings: the electric and weak dipole moments of the…

High Energy Physics - Phenomenology · Physics 2015-06-25 D. Bruss , O. Nachtmann , P. Overmann

Effects of CP violation on the supersymmetric electroweak correction to the $\rho$ parameter are investigated. To avoid the EDM constraints, we require that arg$(\mu)<10^{-2}$ and the non-universal trilinear couplings $A_f=(0,0,A_0)$ and…

High Energy Physics - Phenomenology · Physics 2011-01-27 Sin Kyu Kang , Jung Dae Kim

A triple vector correlation in the $\mu^{+} \to e^{+} e^{+} e^{-}$ decay with polarized muons is investigated as a probe to CP violating coupling constants in supersymmetric models. A sizable triple correlation can be induced due to a…

High Energy Physics - Phenomenology · Physics 2009-12-30 Yasuhiro Okada , Ken-ichi Okumura , Yasuhiro Shimizu

We study the constraints of the CP violation in the muon $g-2$ preferred region of the minimal supersymmetric standard model assuming a universal slepton masses within first two generations. We present two particular scenarios where the…

High Energy Physics - Phenomenology · Physics 2021-04-08 Chengcheng Han

CP violation by soft supersymmetry-breaking terms in orbifold compactifications is investigated. We include the universal part of the moduli-dependent threshold corrections in the construction of the non-perturbative effective potential due…

High Energy Physics - Theory · Physics 2008-11-26 D. Bailin , G. V. Kraniotis , A. Love

The muon anomalous magnetic moment is one of the most precisely measured quantities in particle physics. In a recent experiment at Brookhaven it has been measured with a remarkable 14-fold improvement of the previous CERN experiment…

High Energy Physics - Phenomenology · Physics 2015-05-13 Fred Jegerlehner , Andreas Nyffeler

Surprisingly, until recently CP violation in pion decay was not ruled out experimentally even at the percent level. I have derived the first experimental limit, $-0.01<A_{CP}<0.02$, from old data on the anomalous magnetic moment $g-2$ of…

High Energy Physics - Phenomenology · Physics 2007-05-23 Daniel M. Kaplan

The minimal supersymmetric standard model (MSSM) with complex parameters can contribute sizably to muon/electron anomalous magnetic dipole momemnt ($g-2$) and electric dipole moment (EDM). The electron $g-2$ interplays with electron EDM;…

High Energy Physics - Phenomenology · Physics 2021-12-03 Song Li , Yang Xiao , Jin Min Yang

We study the electric dipole moment (EDM) and the anomalous magnetic dipole moment (MDM) of the muon in the CP-violating Minimal Supersymmetric extension of the Standard Model (MSSM). We take into account the contributions from the…

High Energy Physics - Phenomenology · Physics 2009-11-19 Kingman Cheung , Otto C. W. Kong , Jae Sik Lee

It is a well--known problem that in supersymmetric models there are new CP--violating phases which, if unsuppressed, would give a neutron electric dipole moment $10^2$ to $10^3$ times the present experimental limit. Here we propose that…

High Energy Physics - Phenomenology · Physics 2010-11-01 K. S. Babu , S. M. Barr

The neutron electric dipole moment is investigated in a supersymmetric electroweak model admitting $ {\rm SU(2)}_W $ singlet and $ Q = -1/3 $, say $ D $-type, quarks. Significant $ CP $ violating phases appear in the coupling between the…

High Energy Physics - Phenomenology · Physics 2009-10-28 Yoshiya Takeda , Isao Umemura , Katsuji Yamamoto , Dai Yamazaki

We reexamine large CP-violating phases in the general Minimal Supersymmetric Standard Model, as well as more restricted models. We perform a detailed scan over parameter space to find solutions which satisfy the current experimental limits…

High Energy Physics - Phenomenology · Physics 2009-09-15 V. Barger , T. Falk , T. Han , J. Jiang , T. Li , T. Plehn

If CP violation in the decays of neutral kaons is due to phases in the weak couplings of quarks, as encoded in the Cabibbo-Kobayashi-Maskawa (CKM) matrix, there are many other experimental consequences. Notable among these are CP-violating…

High Energy Physics - Phenomenology · Physics 2009-09-25 J. Rosner

A brief overview is given of recent developments in the analyses of large phases and CP violation in supersymmetric unified models. The problem of experimental electric dipole moment constraints and large phases is discussed. Implications…

High Energy Physics - Phenomenology · Physics 2017-08-23 Tarek Ibrahim , Pran Nath

An analysis of the neutron EDM and of the electron EDM in minimal N=1 supergravity unification with two CP violating phases is given. For the neutron the analysis includes the complete one loop gluino, chargino, and neutralino exchange…

High Energy Physics - Phenomenology · Physics 2014-11-17 Tarek Ibrahim , Pran Nath

We study the CP phases of the soft supersymmetry breaking terms in string-inspired models with non-universal trilinear couplings. We show that such non-universality plays an important role on all CP violating processes. In particular these…

High Energy Physics - Phenomenology · Physics 2009-10-31 Shaaban Khalil , Tatsuo Kobayashi , Antonio Masiero

We identify new room for CP violation in lepton flavor violating observables not bound by the electric dipole moment of leptons. By focusing on new physics in the muon-electron sector, we show that CP violation can make its first appearance…

High Energy Physics - Phenomenology · Physics 2024-08-05 Diego Redigolo , Michele Tammaro , Andrea Tesi

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
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