Journal article
Search for a heavy composite Majorana neutrino in the final state with two leptons and two quarks at s=13TeV
Physics letters. B, Vol.775, pp.315-337
12/01/2017
DOI: 10.1016/j.physletb.2017.11.001
Abstract
A search for physics beyond the standard model in the final state with two same-flavour leptons (electrons or muons) and two quarks produced in proton–proton collisions at s=13TeV is presented. The data were recorded by the CMS experiment at the CERN LHC and correspond to an integrated luminosity of 2.3fb−1. The observed data are in good agreement with the standard model background prediction. The results of the measurement are interpreted in the framework of a recently proposed model in which a heavy Majorana neutrino, Nℓ, stems from a composite-fermion scenario. Exclusion limits are set for the first time on the mass of the heavy composite Majorana neutrino, mNℓ, and the compositeness scale Λ. For the case mNℓ=Λ, the existence of Ne (Nμ) is excluded for masses up to 4.60 (4.70) TeV at 95% confidence level.
Details
- Title: Subtitle
- Search for a heavy composite Majorana neutrino in the final state with two leptons and two quarks at s=13TeV
- Creators
- A. M Sirunyan - Yerevan Physics InstituteHugues Brun - Université Libre de BruxellesCécile CaillolGilles LentdeckerGiuseppe Fasanella - Université Libre de BruxellesLaurent Favart - Université Libre de BruxellesAnastasia Grebenyuk - Université Libre de BruxellesGeorgia Karapostoli - Université Libre de BruxellesThomas Lenzi - Université Libre de BruxellesJelena Luetic - Université Libre de BruxellesAlexandre LeonardThierry Maerschalk - Université Libre de BruxellesAudrey Marinov - Université Libre de BruxellesLuca PernieAidan Sean Randle-CondeThomas ReisTomislav Seva - Université Libre de BruxellesCatherine Vander VeldePascal Vanlaer - Université Libre de BruxellesRyo Yonamine - Université Libre de BruxellesFlorian Zenoni - Université Libre de BruxellesFengwangdong Zhang - Université Libre de BruxellesCMS Collaboration
- Contributors
- J Nachtman (Contributor) - University of Iowa, Physics and AstronomyY Onel (Contributor) - University of Iowa, Physics and Astronomy
- Resource Type
- Journal article
- Publication Details
- Physics letters. B, Vol.775, pp.315-337
- DOI
- 10.1016/j.physletb.2017.11.001
- ISSN
- 0370-2693
- eISSN
- 1873-2445
- Publisher
- Elsevier
- Grant note
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- Language
- English
- Date published
- 12/01/2017
- Academic Unit
- Physics and Astronomy
- Record Identifier
- 9984199690702771
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