Search for Heavy Neutrinos and WR Bosons with Right-Handed Couplings in a Left-Right Symmetric Model in pp Collisions at √s=7  TeV

Loic Quertenmont; Suzan Basegmez; Giacomo Luca Bruno; Roberto Castello; Ludivine Ceard; Christophe Delaere; Tristan Du Pree; Denis Favart; Laurent Forthomme; Andrea Giammanco; Jonathan Hollar; Vincent Lemaitre; Junhui Liao; Otilia Militaru; Claude Nuttens; Davide Pagano; Arnaud Pin; Krzysztof Piotrzkowski; Jesús Manuel Vizan Garcia; CMS Collaboration

doi:10.1103/PhysRevLett.109.261802

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Search for Heavy Neutrinos and WR Bosons with Right-Handed Couplings in a Left-Right Symmetric Model in pp Collisions at √s=7 TeV

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Search for Heavy Neutrinos and WR Bosons with Right-Handed Couplings in a Left-Right Symmetric Model in pp Collisions at √s=7 TeV

Loic Quertenmont, Suzan Basegmez, Giacomo Luca Bruno, Roberto Castello, Ludivine Ceard, Christophe Delaere, Tristan Du Pree, Denis Favart, Laurent Forthomme, Andrea Giammanco, …

Physical review letters, Vol.109(26), 261802

12/27/2012

DOI: 10.1103/PhysRevLett.109.261802

PMID: 23368549

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Abstract

Results are presented from a search for heavy, right-handed muon neutrinos, Nμ, and right-handed WR bosons, which arise in the left-right symmetric extensions of the standard model. The analysis is based on a 5.0 fb−1 sample of proton-proton collisions at a center-of-mass energy of 7 TeV, collected by the CMS detector at the Large Hadron Collider. No evidence is observed for an excess of events over the standard model expectation. For models with exact left-right symmetry, heavy right-handed neutrinos are excluded at 95% confidence level for a range of neutrino masses below the WR mass, dependent on the value of MWR. The excluded region in the two-dimensional (MWR, MNμ) mass plane extends to MWR=2.5 TeV.

High Energy Physics

Particle Physics

Physics

Experiment

Física

Majorana neutrinos

Mass

Parity

Physique des particules élémentaires

Details

Title: Subtitle: Search for Heavy Neutrinos and WR Bosons with Right-Handed Couplings in a Left-Right Symmetric Model in pp Collisions at √s=7 TeV
Creators: Loic Quertenmont
Suzan Basegmez - UCLouvain
Giacomo Luca Bruno
Roberto Castello - UCLouvain
Ludivine Ceard - UCLouvain
Christophe Delaere - UCLouvain
Tristan Du Pree - UCLouvain
Denis Favart - UCLouvain
Laurent Forthomme - UCLouvain
Andrea Giammanco - UCLouvain
Jonathan Hollar - UCLouvain
Vincent Lemaitre - UCLouvain
Junhui Liao - UCLouvain
Otilia Militaru - UCLouvain
Claude Nuttens - UCLouvain
Davide Pagano - UCLouvain
Arnaud Pin - UCLouvain
Krzysztof Piotrzkowski - UCLouvain
Jesús Manuel Vizan Garcia
CMS Collaboration
Contributors: Y Onel (Contributor) - University of Iowa, Physics and Astronomy
Resource Type: Journal article
Publication Details: Physical review letters, Vol.109(26), 261802
DOI: 10.1103/PhysRevLett.109.261802
PMID: 23368549
NLM abbreviation: Phys Rev Lett
ISSN: 0031-9007
eISSN: 1079-7114
Publisher: American Physical Society
Grant note: 098-0982887-2878 / Ministry of Science, Education and Sports of the Republic of Croatia (MSES) (irb_hr______::MZOS)
Language: English
Date published: 12/27/2012
Academic Unit: Physics and Astronomy
Record Identifier: 9984199851402771

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