# CP Violation In Supersymmetric Models

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### CP Violation - A New Era

CP Violation - A New Era Yosef Nir ∗ Department of Particle Physics, Weizmann Institute of Science Rehovot 76100, Israel Abstract We give a pedagogical review of the theory of CP violation with emphasis on the implications of recent experimental results. The review includes: (i) A detailed description of how CP violation arises in the

### Focus point supersymmetry: Proton decay, ﬂavor and CP

dipole moments, generic in many supersymmetric models, are strongly suppressed. As a result, the prediction for as in simple grand uniﬁed theories is 3s 5s closer to the experimental value, and the allowed CP-violating phases are larger by one to two orders of magnitude. In addition, the very heavy top and bottom

### CP violation beyond the standard model*

3 An important point isthat complex phases may not lead to physically observable CP violation. This isa well-known aspect of spontaneous CP violation in ﬁeld theory, but it applies equally to string theories as discussed by Dent [3]. In heterotic string models, CP is preserved by any (generally complex) moduli vev s that lie on the boundary

### CP violation in supersymmetric theories

CP violation will be obtained from the B-factory soon, which would be a crucial test of the CP violation in SM. Furthermore, SM model is unable to explain the cosmological baryon asymmetry of our universe, the presence of new sources of CP violation is required for this explanation.

### MSSM and B physics - hep-www.px.tsukuba.ac.jp

CP violation. There should be a mechanism which controls FCNC and CP. This may be due to the SUSY breaking/mediation mechanism and/or ﬂavor symmetry. We can get a clue to these mechanisms by studying FCNC and CP violation in supersymmetric models. Mass insertion approximation is a useful tool to present ﬂavor violation through sfermions. (δd

### Publication List - About people.tamu.edu

28. Split Supersymmetry in Uni ed Models, B. Dutta and Y. Mimura and R.N. Mohapatra, Phys. Lett. B627 (2005) 145. 29. Suppressing Proton Decay in the Minimal SO(10) Model, B. Dutta, Yukihiro Mimura and R.N. Mohapatra, Phys. Rev. Lett. 94, (2005) 091804. 30. Neutrino Masses and Mixings in a Predictive SO(10) Model with CKM CP Violation,

### Low-Energy Precision Tests of Supersymmetric Models Proton

New Flavor/CP/Baryon #/Lepton # violation sources can be introduced in SUSY. They are rather lower dimensional operators than in SM. Section 0 Introduction Hierarchy problem Three gauge groups Dark matter Three generations and origin of flavor violation Strong CP and EDMs Proton stability and baryogensis.

### Radiative corrections to Higgs boson masses in supersymmetric

supersymmetric models P N PANDITA Department of Physics, North Eastern Hill University, Shillong 793 003, India Abstract. The effect of radiative corrections on the Higgs masses and couplings in supersymmetric models is summarized. Radiative corrections in both the minimal and nonminimal models are discussed.

### Spontaneous CP Violation and Scalar FCNC

gauge symmetry. At the phenomenological, 2 Higgs Doublets Models (2HDMs) could provide scalar mediated contributions to avour changing neutral K0{K 0 mixing and thus explain the observed CP Violation in the context of two quark generations. In Lee s model, the Lagrangian is CP and T invariant, but the vacuum violates these discrete symmetries.

### Oleg Lebedev Doctor of Philosophy in Physics

Spontaneous CP-violation in Two Higgs Doublet Supersymmetric Models by Oleg Lebedev Committee Chairman: Lay Nam Chang Physics (ABSTRACT) An alternative approach to the problem of CP-violation is presented. It is based on the possibility of spontaneous CP-breakdown in models with two Higgs doublets. General features of the phenomenon such as

### Indirect Investigations of Supersymmetry

Indirect Investigations of Supersymmetry Gerald Eigen∗ Department of Physics, University of Bergen Rick Gaitskell† Department of Physics, Brown University, Providence

### 45 Squark ﬂavor mixing and CP violation of neutral B mesons

The CP violation in the Kand Bdmeson decays has been successfully explained within the framework of the standard model (SM), so called Kobayashi-Maskawa (KM) model [2]. However, there are a possibility of new sources of the CP violation if the SM is extended to the supersymmetric (SUSY) models.

### A minimal supersymmetric left-right model, dark matter and

Dec 14, 2020 for neutrinos. Here some aspects of a supersymmetric version of the left-right symmetric models are reviewed. Such models have many virtues, including possibility for dark matter without any new additional sym-metry needed in order to have a stable lightest supersymmetric particle. In the model the lightest sneutrino or the lightest neutralino

### Probing CP violation with the deuteron electric dipole moment

which CP-odd phases can be probed within the minimal supersymmetric standard model. DOI: 10.1103/PhysRevD.70.016003 PACS number~s!: 11.30.Er, 12.60.Jv, 13.40.Em The most stringent constraints on ﬂavor-diagonal CP vio-lation in the hadronic sector arise from bounds on the electric dipole moments ~EDMs! of the neutron @1#, mercury @2#, and

### Revisiting flavor and CP violation in supersymmetric SU(5

Revisiting flavor and CP violation in supersymmetric SUð5Þ with right-handed neutrinos Jason L. Evans,1 Kenji Kadota,2 and Takumi Kuwahara2 1School of Physics, KIAS, Seoul 130-722, Korea 2Center for Theoretical Physics of the Universe, Institute for Basic Science (IBS), Daejeon 34126, Korea (Received 5 August 2018; published 31 October 2018)

### CP VIOLATING PARAMETERS

We consider the contributions to e, e'/e and the electric dipole moments due to flavor blind mechanisms of CP violation, found in supersymmetric models. Many mechanisms have been proposed to account for one piece of experimental data, namely CP violation in the K0-K 0 system.

### CP Violation in Bs Mixing in Supersymmetric Models

CP Violation in Bs Mixing in Supersymmetric Models Wolfgang Altmannshofer Particle Theory Seminar Cornell University December 8, 2010 Wolfgang Altmannshofer (Fermilab) CPV in Bs Mixing in SUSY Models Cornell, Dec. 8, 2010 1 / 45

### Neutron-electron EDM correlations in supersymmetry and

Apr 05, 2020 In supersymmetric models, there are additional sources of CP violation associated with complex phases in the SUSY breaking F-terms and, in addition, ﬂavour misalignment 3

### MINIMAL SUPERSYMMETRIC SCENARIOS FOR SPONTANEOUS CP VIOLATION

Another interesting motivation for SCPV arises from the strong CP problem. As far as CP is a good symmetry the QCD phase θ is zero. The spontaneous breaking of CP could respect this initial value of θ while creating the observed weak CP violation [6, 7]. Such scenarios find a natural framework in left-right models, where it was recently

### Electric dipole moments as probes of new physics

of T-violation (or CP-violation, on assuming the CPT theorem) in the strong inter-actions had some theoretical underpinning. Indeed, QCD allows for the addition of a dimension-four term, known as the h-term, with a dimensionless coeﬃcient h which, if non-zero, would signify the violation of both P and T. This term is some-

### CP Violation and Rare Decays in Hyperon and Charm Systems

May 22, 2010 Pseudoscalar sgoldstino in supersymmetric models Gorbunov et al. CP-odd Higgs boson in the next -to-minimal supersymmetric standard model (NMSSM) He, JT, Valencia X may be a spin -1 particle Gauge (U) boson of an extra U(1) gauge group in some extensions of the SM. Chen, Geng, Kao 21 He, JT, Valencia

### CP violation from standard model to strings

models, supersymmetric models, models based on extra dimensions and warped dimensions, and string models. There is currently no review which encompasses these developments. The purpose of this review is to bridge this gap. Thus in this review we present a broad overview of CP violation starting from the Standard Model and ending with strings.

### Preface p. xv

Current Limits and Future Prospects for Supersymmetric Flavour Violations p. 327 Testing New Physics with Unitarity Triangle Fit p. 331 CP Violation in b[right arrow]s Penguins at the B Factories p. 335 Determining the Unitarity Triangle from Two-Body Charmless Hadronic B Decays p. 339 Searches for D[superscript 0]-D[superscript 0] Mixing, Rare

### Nucleon Electric Dipole Moments in High Scale Supersymmetric

Such models, predict very heavy sfermions, are called high-scale supersymmetric models. Actu-ally, 102 3 TeV sfermion mass can explain 125 GeV Higgs boson [2 4] and such value of mass is sufﬁcient to suppress CP violation and FCNC [5] So we consider the model as sfermion mass to be 102 3 TeV. There are also some problems related to cosmology.

### SUPERSYMMETRY, PART I (THEORY)

I.6.5. Simpliﬁed Models I.7. Experimental data confronts the MSSM I.7.1. Naturalness constraints and the little hierarchy I.7.2. Constraints from virtual exchange of supersymmetric particles I.8. Massive neutrinos in weak-scale supersymmetry I.8.1. The supersymmetric seesaw I.8.2. R-parity-violating supersymmetry I.9. Extensions beyond the MSSM

### Multi-Scalar Models with a High Energy S&k*

to that of the minimal supersymmetric extension of the Standard Model, up to corrections of orderAiB/A&p. Additional light scalars, if they exist, would be a signature of additional low-energy symmetries.Flavor changing neutral currents and CP-violation effects due to Higgs exchange are also discussed. Finally, we

### a,b b arXiv:hep-ph/0004098v2 2 Sep 2000

models which contain the baryon and the lepton number violating dimension ﬁve operators, the phenomena of CP violating eﬀects on the proton lifetime should hold for a wide range of models both of GUT and of string variety[16]. However, for concreteness we will consider ﬁrst the simplest SU(5) supersymmetric grand

### Spontaneous CP Violation in a SUSY Model with a complex CKM

Key words: Spontaneous Symmetry Breaking, Supersymmetric models, CP violation, Fermion Masses PACS: 11.30.Er, 11.30.Qc, 12.15.Ff, 12.15.Hh, 12.60.-i 1 Introduction Four decades after the experimental discovery of CP violation, the origin of CP breaking remains one of the fundamental open questions in particle physics.

### Flavour Data and New Physics - Hints and Constraints

Minimal supersymmetric models Models with Z0 4 Concluding remarks. Pugmarks and directions CP violation through mixing possible, not detected yet. CP Violation in

### EDMs in Supersymmetric Models

CP violation via in CKM matrix There are two possible sources of CPviolation at a renormaliz-able level: KM and QCD. KMis the form of CP violation that appears only in the charged current interactions of quarks. Lcc= g p 2 U LW= +VD L + (H.c.) : CP violation is closely related to avour changing interactions. 0 B B B B B B @ dI sI bI 1 C C C C C

### Spontaneous CP violation in supersymmetric models

Spontaneous CP violation in supersymmetric models Ana M. Teixeira Centro de F sica das Interac˘c~oes Fundamentais (CFIF), Departamento de F sica, Instituto Superior T ecnico, Av. Rovisco Pais, 1049-001 Lisboa, Portugal Abstract We brieﬂy comment on the question of spontaneous CP violation for several models of weak in-teractions.

### 1 SUPERSYMMETRY, PART I (THEORY)

universe [23]. Models of baryogenesis must satisfy the three Sakharov conditions [24]: C and CP violation, baryon number violation and a departure from thermal equilibrium. For ex-ample, the matter antimatter asymmetry in the early universe can be generated at the electroweak phase transition if the transition is suﬃciently ﬁrst-order [25].

### UMD

ABSTRACT Title of dissertation: PROBING SUPERSYMMETRIC GRAND UNIFICATION WITH CP AND FLAVOR VIOLATIONS Parul Rastogi Doctor of Philosophy, 2006 Dissertation directed by: Professor

### Theory and Phenomenology of CP Violation

Peculiarities of SM CP Violation CP Violation in the Standard Model In Lagrangian Field Theory: CP Violation ⇔ complex coupling constants ai: L = X i aiOi +h.c. (CP)Oi(CP)† = O † i In the standard model: (with a single Higgs doublet and massless neutrinos) All couplings can be made real (in the mass eigenbasis)

### CP VIOLATION AS A PROBE OF FLAVOR ORIGIN IN SUPERSYMMETRY

experimental values of eK, e'/e, or, in the case of B° CP asymmetries, the expected experimental sensitivity. Moreover, we always take a vanishing phase in the CKM matrix, i.e. SCKM = 0, as a way to isolate the effects of the new supersymmetric phases. We do not include in this no-go theorem other CP violation experiments in rare B decays, as for

### Higher-Order Contributions in Higgs Sectors of Supersymmetric

Supersymmetric models like the Minimal Supersymmetric Model (MSSM) or the Next-to MSSM fall into this category. In the MSSM, the mass of the lightest Higgs boson can be predicted from other parameters in the theory. In this case, the mass measurement of the newly discovered boson can be exploited to constrain the parameters of the underlying

### Spontaneous CP in the Next-to-Minimal Supersymmetric Model

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 superﬁelds. The available regions of parameters, which are obtained by imposing the constraints from

### opus.bibliothek.uni-wuerzburg.de

2 CONTENTS 2.2 CP asymmetry in neutralino production and decay into polarized taus 29 2.2

### CP violation in supersymmetric models with Hermitian Yukawa

IPPP/02/14 DCPT/02/28 CP violation in supersymmetric models with Hermitian Yukawa couplings and A-terms Shaaban Khalil IPPP, Physics Department, Durham University, DH1 3LE, Durham

### On supersymmetric contributions to the CP

violation [21,22]. It is worth mentioning that the scenario of small CP phases ( <∼10−2) in supersymmetric models is still allowed by the present experimental results [23]. In this case of models, the large ﬂavour mixing is crucial to compensate for the smallness of the CP phases.