R-parity violation at the LHC

Dercks, Daniel; Dreiner, Herbi K.; Krauss, Manuel E.; Opferkuch, Toby; Reinert, Annika

doi:10.1140/epjc/s10052-017-5414-4

Cited by 42 publications

(44 citation statements)

References 153 publications

(256 reference statements)

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“…where heref =b,τ , Nb c = 3, Nτ c = 1, m 2 b = mb 1 · mb 2 and m 2 τ = mτ 2 · mτ 3 and it is understood that mτ 2 and mτ 3 are the masses of the two lightest slepton states (τ 1 being the massless Goldstone boson). space is given in [46] and bounds on the TRPV couplings can be found in [60,105].…”

Section: Bilinear Rpv -Numerical Resultsmentioning

confidence: 99%

R -parity violating supersymmetry and the 125 GeV Higgs boson signals

Cohen¹,

Bar‐Shalom²,

Eilam³

et al. 2019

Phys. Rev. D

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We study the impact of R-parity violating Supersymmetry (RPV SUSY) on the 125 GeV Higgs production and decay modes at the LHC. We assume a heavy SUSY spectrum with multi-TeV squarks and SU(2) scalar singlets as well as the decoupling limit in the SUSY Higgs sector. In this case the lightest CP-even Higgs is SM-like when R-parity is conserved. In contrast, we show that when R-parity violating interactions are added to the SUSY framework, significant deviations may occur in some production and decay channels of the 125 GeV Higgs-like state. Indeed, we assume a single-flavor (mostly third generation) Bilinear RPV (BRPV) interactions, which generate Higgs-sneutrino mixing, lepton-chargino mixing and neutrino-neutralino mixing, and find that notable deviations of O(20−30%) may be expected in the Higgs signal strength observables in some channels, e.g., in pp → h → µ + µ − , τ + τ − . Moreover, we find that new and detectable signals associated with BRPV Higgs decays to gauginos, h → ν τχ 0 2 and h → τ ± χ ∓ 2 , may also arise in this scenario. These decays yield a typical signature of h → τ ± ∓ + E T ( = e, µ, τ ) that can be much larger than in the SM, and may also be accompanied by an O(20 − 30%) enhancement in the di-photon signal pp → h → γγ. We also examine potential interesting signals of Trilinear R-parity violation (TRPV) interactions in the production and decays of the Higgs-sneutrino BRPV mixed state (assuming it is the 125 GeV scalar) and show that, in this case also, large deviations up to O(100%) are expected in e.g., pp → h → µ + µ − , τ + τ − , which are sensitive to the BRPV×TRPV coupling product.1 The CP-odd scalar mass matrix, m 2 O , has a massless state which corresponds to the Goldstone boson. 2 We note that too large values of δB may drive (depending on the other free-parameters in the Higgs sector) the lightest mass-squared eigenstates of both the CP-even and CP-odd mass matrices to non-physical negative values. We will thus demand non-negative mass-squared physical eigenvalues for the CP-even and CP-odd physical states by bounding δB accordingly.

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Section: Bilinear Rpv -Numerical Resultsmentioning

confidence: 99%

R -parity violating supersymmetry and the 125 GeV Higgs boson signals

Cohen¹,

Bar‐Shalom²,

Eilam³

et al. 2019

Phys. Rev. D

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“…This set of papers also studies the decay modes of some LSPs, with emphasis on the decay modes of the lightest neutralino. There are papers such as [42,47,48], which study the RPV decay signatures of chargino, stop, gluinos and charged and neutral Higgsinos, using parameter scans in agreement with the existent experimental bounds. However, they work in different, more general theoretical contexts than our own.…”

mentioning

confidence: 82%

R-parity violating decays of Bino neutralino LSPs at the LHC

Dumitru

Herwig

Ovrut

2019

J. High Energ. Phys.

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The R-parity violating decays of Bino neutralino LSPs are analyzed within the context of the B − L MSSM "heterotic standard model". These LSPs correspond to statistically determined initial soft supersymmetry breaking parameters which, when evolved using the renormalization group equations, lead to an effective theory satisfying all phenomenological requirements; including the observed electroweak vector boson masses and the Higgs mass. The explicit RPV decay channels of these LSPs into standard model particles, the analytic and numerical decay rates and the associated branching ratios are presented. The analysis of these quantities breaks into two separate calculations; first, for Bino neutralino LSPs with mass larger than M W ± and, second, when the Bino neutralino mass is smaller than the electroweak scale. The RPV decay processes in both of these regions is analyzed in detail. The decay lengths of these RPV interactions are discussed. It is shown that for heavy Bino neutralino LSPs the vast majority of these decays are "prompt", although a small, but calculable, number correspond to "displaced" decays of various lengths. The situation is reversed for light Bino LSPs, only a small number of which can RPV decay promptly. The relation of these results to the neutrino hierarchy-either normal or inverted-is discussed in detail.

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“…The quoted literature bound is actually an extrapolation of the bound given in the oft-cited Refs. [12,15] and originally derived in Ref. [20].…”

Section: Electroweak Constraintsmentioning

confidence: 96%

“…The first column indicates the existing bound in the literature, collected and updated in Refs. [10][11][12][13][14][15]. These bounds are derived from:…”

Section: Constraints From Drell-yan Processesmentioning

confidence: 99%

Constraining R -parity-violating couplings in τ -processes at the LHC and in electroweak precision measurements

et al. 2019

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We find new limits on the λ 3jk R-parity violating (RPV) couplings of the minimal supersymmetric standard model, using Drell-Yan differential cross sections at the LHC and electroweak precision measurements from LEP and SLC. Specifically, limits on six out of the nine λ 3jk -couplings, with j = 1 or 2, are obtained using Drell-Yan data, with the remaining three (for j = 3) bounded by precision electroweak data. We also update the limits on all λ ijk -couplings using electroweak data and find new bounds on λ 132 and λ 232 that are stronger than obtained elsewhere. A table of all current bounds on λ ijk is given in an appendix.

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R-parity violation at the LHC

Cited by 42 publications

References 153 publications

R -parity violating supersymmetry and the 125 GeV Higgs boson signals

R -parity violating supersymmetry and the 125 GeV Higgs boson signals

R-parity violating decays of Bino neutralino LSPs at the LHC

Constraining R -parity-violating couplings in τ -processes at the LHC and in electroweak precision measurements

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