Neutrinos in anomaly mediated supersymmetry breaking with<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>R</mml:mi></mml:math>-parity violation

Campos, F. de; Díaz, M. A.; Éboli, O. J. P.; Lineros, Roberto A.; Magro, M. B.; Mercadante, P. G.

doi:10.1103/physrevd.71.055008

Cited by 7 publications

(7 citation statements)

References 83 publications

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“…The studies of the neutral Higgs sector have focused on the bilinear interactions alone [72,73] or a basis independent description in a one generation toy model. The study by De Campos et al, [110] discusses the mass spectrum of the MSSM with bilinear R parity violation in the scenario characterized by the conformal anomaly mediated supersymmetry breaking.…”

Section: Phenomenological Constraints On Bilinear R Parity Violationmentioning

confidence: 99%

Phenomenological constraints on broken R parity symmetry in supersymmetry models

Chemtob

2005

Progress in Particle and Nuclear Physics

157

113

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The R parity odd renormalizable Yukawa interactions of quarks and leptons with the scalar superpartners have the ability to violate the baryon and lepton numbers, change the hadron and lepton flavors and make the lightest supersymmetric particle unstable. The existence of an approximate R parity symmetry would thus affect in a deep way the conventional framework of the Minimal Supersymmetric Standard Model where an exact R parity symmetry is built-in by assumption. The purpose of the present review is to survey in a systematic way the direct experimental constraints set on the R parity violating couplings by the low and intermediate energy physics processes. We consider first the option of bilinear R parity violation and spontaneously broken R parity symmetry and proceed next to the trilinear R parity violating interactions. The discussion aims at surveying the indirect coupling constant bounds derived from fundamental tests of the Standard Model and the variety of scattering and rare decay processes. We also discuss the constraints imposed by the renormalization group scale evolution and the cosmological and astrophysical phenomenology. IntroductionThe multiplicative Z 2 symmetry, known as R parity, fulfills a central function in supersymmetry physics. Without R parity symmetry, the Minimal Supersymmetric Standard Model (MSSM) would include bilinear and trilinear renormalizable superpotential terms, coupling the quarks and leptons to their scalar superpartners, which have the ability to initiate fast nucleon decay, large neutrinos masses and the LSP (lightest supersymmetric particle) disintegration into ordinary particles. Thus apart from threatening the nucleon and neutrino stability and contributing to the hadron and lepton flavor changing processes and to neutrino masses and flavor mixing, the R parity odd Yukawa interactions would also disallow any of the supersymmetric cosmic relic particles to contribute to the Universe dark matter component. The R parity symmetry was first introduced in a 1978 work by Farrar and Fayet [1], as part of attempts towards building a realistic particle physics phenomenology of supersymmetry [2,3,4]. This step followed closely in time the major developments in years [1974][1975] which culminated in the construction of supersymmetric field theories [5,6,7], the implementation of spontaneous supersymmetry breaking schemes [8,9] and the discovery of R symmetries [10]. The collection of reprints by Ferrara [11] offers a valuable grasp on the progress of ideas from the early period until the middle 1980's. The subsequent developments are discussed in the review articles [12,13] and the collection of preprints by Salam and Sezgin [14]. As an historical aside on the origin of R symmetries, we note that Wess and Zumino [5] introduced an R quantum number as a weighting index labeling distinct representations of *

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Section: Phenomenological Constraints On Bilinear R Parity Violationmentioning

confidence: 99%

Phenomenological constraints on broken R parity symmetry in supersymmetry models

Chemtob

2005

Progress in Particle and Nuclear Physics

157

113

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“…1 → lll, τ ll, l bb, τ b b [97,98,99]. In our model, this scenario corresponds to large 3-cycles of the Exotic Instanton involved, i.e e −S E2 << 1, assuming string scale as M S 10 19 GeV.…”

Section: Neutrino Physicsmentioning

confidence: 83%

Dynamical R-parity violations from exotic instantons

Addazi

2015

Preprint

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We show how R-parity can be dynamically broken by non-perturbative quantum gravity effects. In particular, in D-brane models, Exotic instantons provide a simple and calculable mechanism for the generation of R-parity violating bilinear, trilinear and higher order superpotential terms. We show examples of MSSM-like D-brane models, in which one Exotic Instanton induces only one term among the possible R-parity violating superpotentials. Naturally, the idea can be generalized for other gauge groups. As a consequence, a dynamical violation of R-parity does not necessarily destabilize the proton, i.e. a strong fine tuning is naturally avoided, in our case. For example, a Lepton violating superpotential term can be generated without generating Baryon violating terms, and viceversa. This has strong implications in phenomenology: neutrino, neutron-antineutron, electric dipole moments, dark matter and LHC physics.

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“…It has been shown that mAMSB with BRpV can account for the present neutrino data [21,22]. Like any SUSY BRpV neutrino mass model it predicts the normal hierarchy, since the neutrino masses becomes strongly hierarchical.…”

Section: Introductionmentioning

confidence: 82%

“…For further details we refer to [22]. The R-parity conserving soft terms will be assigned according to the minimal anomaly mediated scenario.…”

Section: Anomaly Mediated Supersymmetry With Brpvmentioning

confidence: 99%

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CERN LHC signals for a neutrino mass model with bilinear R-parity violating minimal anomaly mediated supersymmetry

et al. 2008

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We investigate a neutrino mass model in which the neutrino data is accounted for by bilinear R-parity violating supersymmetry with anomaly mediated supersymmetry breaking. We focus on the CERN Large Hadron Collider (LHC) phenomenology, studying the reach of generic supersymmetry search channels with leptons, missing energy and jets. A special feature of this model is the existence of long-lived neutralinos and charginos which decay inside the detector leading to detached vertices. We demonstrate that the largest reach is obtained in the displaced vertices channel and that practically all of the reasonable parameter space will be covered with an integrated luminosity of 10 fb À1 . We also compare the displaced vertex reaches of the LHC and Tevatron. 1 However, one might see there traces in the properties of the left sneutrinos [9].

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Neutrinos in anomaly mediated supersymmetry breaking withR-parity violation

Cited by 7 publications

References 83 publications

Phenomenological constraints on broken R parity symmetry in supersymmetry models

Phenomenological constraints on broken R parity symmetry in supersymmetry models

Dynamical R-parity violations from exotic instantons

CERN LHC signals for a neutrino mass model with bilinear R-parity violating minimal anomaly mediated supersymmetry

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