Results 141 to 150 of about 172,277 (268)

Leptonic number violation signature arising from a $Z'$ model with non-diagonal leptonic couplings [PDF]

open access: yesarXiv, 2013
Within the framework of a $Z'$ model with non-universal leptonic couplings, we analyze possible signatures of leptonic number violation effects at LHC. Results are described for leptonic energy distributions, both from its specific signature and events number, that could allow us to observe this class of models, under reasonable conditions at LHC.
arxiv  

Relating lepton mixing angles with lepton mass hierarchy [PDF]

open access: yesInternational Journal of Modern Physics A, 2016
We revisit the possibility of relating lepton mixing angles with lepton mass hierarchies in a model-independent way. Guided by the existence of such relations in the quark sector, we first consider all the mixing angles, both in charged lepton and neutrino sectors to be related to the respective mass ratios.
openaire   +4 more sources

Search for Charged Lepton Flavour Violation at CMS

open access: yesEPJ Web of Conferences, 2018
Lepton flavour is a conserved quantity in the standard model of particle physics, but it does not follow from an underlying gauge symmetry. After the discovery of neutrino oscillation, it has been established that lepton flavour is not conserved in the ...
Mukherjee Swagata
doaj   +1 more source

Quark-Lepton Symmetry [PDF]

open access: yesarXiv, 1992
Quark-lepton symmetric models are a class of gauge theories motivated by the similarities between the quarks and leptons. In these models the gauge group of the standard model is extended to include a ``color'' group for the leptons. Consequently, the quarks and leptons can then be related by a $Z_2$ discrete quark-lepton symmetry which is ...
arxiv  

Lepton Universality

open access: yes, 1997
21 pages, latex, 6 Postscript figures, Lectures at the Cargese'96 School --Masses of Fundamental Particles-- (Cargese, Corsica, 5-17 August ...
openaire   +3 more sources

Higgs decays into leptons [PDF]

open access: yesNuclear Physics B - Proceedings Supplements, 2003
3 pages, LaTeX with espcrc2.sty, 2 Figures, to appear in the Proceedings of the 31st International Conference on High Energy Physics (ICHEP 2002), July 24 - 31, 2002, in Amsterdam, The ...
openaire   +4 more sources

Multi-Lepton and Isolated Lepton Events at HERA

open access: yes, 2009
Measurements of the production of events containing isolated high energy leptons (electrons and muons) produced in ep collisions have been performed with the H1 and ZEUS detectors at HERA, using data collected in the period 1994-2007. Topologies with more than one charged lepton or with a charged lepton in coincidence with missing transverse momentum ...
openaire   +4 more sources

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