Searches for heavy Majorana neutrinos in B− decays in final states containing hadrons plus a μ−μ− pair have been performed using 0.41 fb^−1 of data collected with the LHCb detector in proton-proton collisions at a center-of-mass energy of 7 TeV. The D+ μ− μ− and D*+ μ− μ− final states can arise from the presence of virtual Majorana neutrinos of any mass. Other final states containing π+, Ds+, or D0 π+ can be mediated by an on-shell Majorana neutrino. No signals are found and upper limits are set on Majorana neutrino production as a function of mass, and also on the B− decay branching fractions.

R. Aaij, C. Abellan Beteta, B. Adeva, M. Adinolfi, C. Adrover, A. Affolder, et al. (2012). Searches for Majorana Neutrinos in B− Decays. PHYSICAL REVIEW D, PARTICLES, FIELDS, GRAVITATION, AND COSMOLOGY, 85(11), 1-13 [10.1103/PhysRevD.85.112004].

Searches for Majorana Neutrinos in B− Decays

CARBONE, ANGELO;GALLI, DOMENICO;PATRIGNANI, CLAUDIA;PERAZZINI, STEFANO;VAGNONI, VINCENZO MARIA;ZANGOLI, MARIA;
2012

Abstract

Searches for heavy Majorana neutrinos in B− decays in final states containing hadrons plus a μ−μ− pair have been performed using 0.41 fb^−1 of data collected with the LHCb detector in proton-proton collisions at a center-of-mass energy of 7 TeV. The D+ μ− μ− and D*+ μ− μ− final states can arise from the presence of virtual Majorana neutrinos of any mass. Other final states containing π+, Ds+, or D0 π+ can be mediated by an on-shell Majorana neutrino. No signals are found and upper limits are set on Majorana neutrino production as a function of mass, and also on the B− decay branching fractions.
2012
R. Aaij, C. Abellan Beteta, B. Adeva, M. Adinolfi, C. Adrover, A. Affolder, et al. (2012). Searches for Majorana Neutrinos in B− Decays. PHYSICAL REVIEW D, PARTICLES, FIELDS, GRAVITATION, AND COSMOLOGY, 85(11), 1-13 [10.1103/PhysRevD.85.112004].
R. Aaij; C. Abellan Beteta; B. Adeva; M. Adinolfi; C. Adrover; A. Affolder; Z. Ajaltouni; J. Albrecht; F. Alessio; M. Alexander; G. Alkhazov; P. Alvar...espandi
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11585/116680
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