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A reappraisal of spontaneous R-parity violation
High Energy Physics - Phenomenology · Submitted 3 Jun 2010
abstract compiled · 2026-09-23 · no language-model review
The authors' main claim In this short reappraisal of spontaneous lepton number violation in a supersymmetric scenario implemented through singlet sneutrino vacuum expectation value (VEV), we contribute with two new things in the context where the lepton number symmetry is global: (i) provide explicit expressions of $R$-parity violating couplings in terms of the neutrino Yukawa couplings and the singlet sneutrino VEV, and (ii) estimate the limit on this VEV using the current knowledge of the light neutrino mass and the astrophysical constraint on the Majoron-electron coupling.
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The abstract, sentence by sentence
In this short reappraisal of spontaneous lepton number violation in a supersymmetric scenario implemented through singlet sneutrino vacuum expectation value (VEV), we contribute with two new things in the context where the lepton number symmetry is global: (i) provide explicit expressions of $R$-parity violating couplings in terms of the neutrino Yukawa couplings and the singlet sneutrino VEV, and (ii) estimate the limit on this VEV using the current knowledge of the light neutrino mass and the astrophysical constraint on the Majoron-electron coupling. Besides, we put updated constraints on the VEV and Yukawa coupling of the singlet superfield when lepton number is gauged.
background contribution method result interpretation main claim
| # | sentence | role | the authors' own work | states the main conclusion | strength |
|---|---|---|---|---|---|
| s0 | In this short reappraisal of spontaneous lepton number violation in a supersymmetric scenario implemented through singlet sneutrino vacuum expectation value (VEV), we contribute with two new things in the context where the lepton number symmetry is global: (i) provide explicit expressions of $R$-parity violating couplings in terms of the neutrino Yukawa couplings and the singlet sneutrino VEV, and (ii) estimate the limit on this VEV using the current knowledge of the light neutrino mass and the astrophysical constraint on the Majoron-electron coupling. | contribution 1.00 | 0.95 | 0.40 | asserted 0.99 |
| s1 | Besides, we put updated constraints on the VEV and Yukawa coupling of the singlet superfield when lepton number is gauged. | contribution 0.90 | 0.91 | 0.13 | asserted 1.00 |
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The paper
Original abstract
In this short reappraisal of spontaneous lepton number violation in a supersymmetric scenario implemented through singlet sneutrino vacuum expectation value (VEV), we contribute with two new things in the context where the lepton number symmetry is global: (i) provide explicit expressions of $R$-parity violating couplings in terms of the neutrino Yukawa couplings and the singlet sneutrino VEV, and (ii) estimate the limit on this VEV using the current knowledge of the light neutrino mass and the astrophysical constraint on the Majoron-electron coupling. Besides, we put updated constraints on the VEV and Yukawa coupling of the singlet superfield when lepton number is gauged.
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How the literature uses it
2 arXiv papers cite this in 2 sentences
Papers citing it · 1 sentence without a confident label
Cites it as background 1 paper
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However, since such baryon and lepton-number violating processes can in principle be avoided (or suppressed) also by some other additional symmetries, SUSY models where $R$-parity violation can to some extent occur are viable and the corresponding phenomenological scenarios have gained considerable interest, see, for example, Refs. [ref] .
Sneutrino identification in dilepton events at the LHC · Introduction · 0.87
What it cites · 7 sentences without a confident label
Cites as background 8 papers
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In some of these models, lepton number was spontaneously broken by the VEV of a field carrying one unit of lepton number [ref] , and in some others by a field carrying two units of the lepton number [ref] , like the non-supersymmetric models of spontaneous lepton number violation [ref] .
The Supersymmetric Singlet Majoron · Introduction · 0.97
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The generation of the latter requires the relevant $λ$ or $λ'$ couplings to be $∼(10^-3-10^-4)$ for superparticle masses of order 100 GeV, but in our scenario these couplings are significantly more suppressed (For a detailed discussion of how RPV couplings generate neutrino masses and mixing, see, for example, [ref] ).
Neutrino masses in the R-parity violating MSSM · Combined astrophysical and neutrino mass constraints · 0.91
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The generation of the latter requires the relevant $λ$ or $λ'$ couplings to be $∼(10^-3-10^-4)$ for superparticle masses of order 100 GeV, but in our scenario these couplings are significantly more suppressed (For a detailed discussion of how RPV couplings generate neutrino masses and mixing, see, for example, [ref] ).
Basis independent neutrino masses in the $R_p$ violating MSSM · Combined astrophysical and neutrino mass constraints · 0.91
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