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Related papers: Hadronic CP Violation in the 2HDM

200 papers

A minimal supersymmetric version of the Standard Model with complex parameters allows contributions to the weak-electric dipole moments of fermions at the one-loop level. Assuming generation-diagonal trilinear soft-susy-breaking terms and…

High Energy Physics - Phenomenology · Physics 2014-11-17 W. Hollik , J. I. Illana , S. Rigolin , D. Stoeckinger

The most general model independent expressions for the CP-violating asymmetry, longitudinal, transversal and normal polarizations of leptons are derived. Application of these general results to the concrete models such as Standard model and…

High Energy Physics - Phenomenology · Physics 2014-11-17 T. M. Aliev , M. Savci

We study the neutron electric dipole moment (EDM) in a five dimensional SU(3) gauge-Higgs unification compactified on M^4 \times S^1/Z_2 space-time including a massive fermion. We point out that to realize the CP violation is a non-trivial…

High Energy Physics - Phenomenology · Physics 2009-11-06 Yuki Adachi , C. S. Lim , Nobuhito Maru

We consider the two Higgs doublet model (2HDM) along with a generation of vector-like lepton doublet and singlet to explain the observed discrepancies in the electron and muon anomalous magnetic moments. The type-X (lepton-specific) 2HDM…

High Energy Physics - Phenomenology · Physics 2020-11-23 Eung Jin Chun , Tanmoy Mondal

Recent calculations of EDMs of light nuclei in the framework of chiral effective field theory are presented. We argue that they can be written in terms of the leading six low-energy constants encoding CP-violating physics. EDMs of the…

Nuclear Theory · Physics 2015-06-11 Renato Higa

At natural values of parameters of the model dicussed, the contribution of the chromoelectric dipole moment of the s-quark to the neutron electric dipole moment (EDM) exceeds considerably the experimental upper limit for the neutron EDM. As…

High Energy Physics - Phenomenology · Physics 2014-11-17 I. B. Khriplovich

We consider the impact of CP-violating Higgs and top interactions on diboson production from gluon fusion within the Standard Model Effective Field Theory framework. We systematically study differential distributions for double Higgs,…

High Energy Physics - Phenomenology · Physics 2024-11-05 Marion O. A. Thomas , Eleni Vryonidou

Extending previous results obtained in the effective-potential approach, we derive analytic expressions for the pole masses of the charged and neutral Higgs bosons in the minimal supersymmetric standard model (MSSM) with explicit CP…

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

We present a phenomenological study of a CP-violating two-Higgs-doublet Model with type-II Yukawa couplings at the Large Hadron Collider (LHC). In the light of recent LHC data, we focus on the parameter space that survives the current and…

High Energy Physics - Phenomenology · Physics 2012-11-13 L. Basso , A. Lipniacka , F. Mahmoudi , S. Moretti , P. Osland , G. M. Pruna , M. Purmohammadi

CP violation from physics beyond the Standard Model may reside in triple boson vertices of the electroweak theory. We review the effective theory description and discuss how CP violating contributions to these vertices might be discerned by…

High Energy Physics - Phenomenology · Physics 2009-10-05 Sunghoon Jung , James D. Wells

Due to the large mass of top quark, CP violation in the top-quark decay is sensitive to the interactions mediated by Higgs bosons. We consider CP violation in $t\rightarrow W^+ b$ decay by calculating consistently in unitary gauge the…

High Energy Physics - Phenomenology · Physics 2009-09-25 Tsutom Hasuike , Toshihiko Hattori , Toshio Hayashi , Seiichi Wakaizumi

We calculate the neutron electric dipole form factor induced by the CP violating theta-term of QCD, within a perturbative chiral quark model which includes pion and kaon clouds. On this basis we derive the neutron electric dipole moment and…

High Energy Physics - Phenomenology · Physics 2015-06-25 J. Kuckei , Claudio Dib , Amand Faessler , Th. Gutsche , Sergey Kovalenko , V. E. Lyubovitskij , K. Pumsa-ard

We reconsider constraints on $\cp$-violating phases in the Constrained Minimal Supersymmetric Standard Model. We include the recent calculations of Ibrahim and Nath on the chromoelectric and purely gluonic contributions to the quark…

High Energy Physics - Phenomenology · Physics 2009-09-15 Toby Falk , Keith A. Olive

We consider an Abelian model with a CP-conserving Higgs potential spanned by two complex Higgs fields. The CP invariance of the Higgs potential is then broken explicitly beyond the Born approximation by introducing soft-CP-violating Yukawa…

High Energy Physics - Phenomenology · Physics 2009-10-31 Apostolos Pilaftsis

The electric dipole moments of the nucleon and light ions are discussed and strategies for disentangling the underlying sources of CP violation beyond the Kobayashi-Maskawa quark-mixing mechanism of the Standard Model are indicated.…

High Energy Physics - Phenomenology · Physics 2014-08-19 Andreas Wirzba

We perform calculations of the CP-violating atomic and molecular electric dipole moments (EDM) induced by the interaction of the nuclear Schiff moments with electrons. EDM of atoms Eu, Dy, Gd, Ac, Th, Pa, U, Np and Pu are of special…

Atomic Physics · Physics 2020-04-15 V. V. Flambaum , V. A. Dzuba

Probing the CP nature of the Higgs Yukawa couplings is a promising avenue for unraveling new physics effects. In this work, we investigate the possible single- and two-field UV origins of CP-violating leptonic Yukawa couplings, using the…

High Energy Physics - Phenomenology · Physics 2025-12-01 Nejc Košnik , Ajdin Palavrić , Aleks Smolkovič

We present a complete analysis of the electric dipole moment (EDM) of the \rho-meson induced by CP violating operators of dimension 4 and 5 within the QCD sum rules approach. The set of CP-odd operators includes the theta term and the…

High Energy Physics - Phenomenology · Physics 2009-10-31 Maxim Pospelov , Adam Ritz

An analysis of the electric dipole moment (EDM) of the neutron and of the leptons in the minimal supersymmetric standard model (MSSM) with the most general allowed set of CP violating phases without generational mixing is given. The…

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

Electric dipole moments (EDMs) of charged leptons arise from a new source of CP violation in the lepton sector. In this paper, we calculate the EDMs of the charged leptons in the minimal scotogenic model with two singlet fermions, and the…

High Energy Physics - Phenomenology · Physics 2021-04-15 Motoko Fujiwara , Junji Hisano , Chihiro Kanai , Takashi Toma