Short-range mechanisms of neutrinoless double beta decay at the LHC
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Short-range mechanisms of neutrinoless double beta decay at the LHC

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Short-range mechanisms of neutrinoless double beta decay at the LHC

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dc.contributor.author Helo, Juan Carlos
dc.contributor.author Kovalenko, S.G.
dc.contributor.author Hirsch, Martin
dc.contributor.author Päs, Heinrich
dc.date.accessioned 2014-08-26T11:19:16Z
dc.date.available 2014-08-26T11:19:16Z
dc.date.issued 2013
dc.identifier.uri http://hdl.handle.net/10550/37418
dc.description.abstract Lepton number violation (LNV) mediated by short- range operators can manifest itself in both neutrinoless double beta decay (0 nu beta beta) and in processes with same- sign dilepton final states at the LHC. We derive limits from existing LHC data at root s = 8 TeV and compare the discovery potential of the forthcoming root s = 14 TeV phase of the LHC with the sensitivity of current and future 0 nu beta beta decay experiments, assuming the short-range part of the 0 nu beta beta decay amplitude dominates. We focus on the first of two possible topologies triggered by one fermion and two bosons in the intermediate state. In all cases, except for the pure leptoquark mechanism, the LHC will be more sensitive than 0 nu beta beta decay in the future. In addition, we propose to search for a charge asymmetry in the final state leptons and to use different invariant mass peaks as a possible tool to discriminate the various possible mechanisms for LNV signals at the LHC.
dc.language.iso eng
dc.relation.ispartof Physical Review D, 2013, vol. 88, num. 7, p. 073011
dc.rights.uri info:eu-repo/semantics/openAccess
dc.source Helo, Juan Carlos Kovalenko, S.G. Hirsch, Martin Päs, Heinrich 2013 Short-range mechanisms of neutrinoless double beta decay at the LHC Physical Review D 88 7 073011
dc.subject Física
dc.title Short-range mechanisms of neutrinoless double beta decay at the LHC
dc.type info:eu-repo/semantics/article
dc.date.updated 2014-08-26T11:19:16Z
dc.identifier.doi http://dx.doi.org/10.1103/PhysRevD.88.073011
dc.identifier.idgrec 097429

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