Search for a heavy right-handed W boson and a heavy neutrino in events with two same-flavor leptons and two jets at √s=13 TeV
A search for a heavy right-handed W boson (WR) decaying to a heavy righthanded neutrino and a charged lepton in events with two same-flavor leptons (e or µ) and two jets, is presented. The analysis is based on proton-proton collision data, collected by the CMS Collaboration at the LHC in 2016 and...
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| Main Authors: | , , , , , |
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| Format: | Article |
| Language: | English English |
| Published: |
Springer Nature
2018
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| Subjects: | |
| Online Access: | http://irep.iium.edu.my/65846/1/65846_Search%20for%20a%20heavy%20right-handed%20W%20boson_article.pdf http://irep.iium.edu.my/65846/2/65846_Search%20for%20a%20heavy%20right-handed%20W%20boson_scopus.pdf http://irep.iium.edu.my/65846/ https://link.springer.com/article/10.1007%2FJHEP05%282018%29148 |
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| Summary: | A search for a heavy right-handed W boson (WR) decaying to a heavy righthanded
neutrino and a charged lepton in events with two same-flavor leptons (e or µ) and
two jets, is presented. The analysis is based on proton-proton collision data, collected by
the CMS Collaboration at the LHC in 2016 and corresponding to an integrated luminosity
of 35.9 fb−1
. No significant excess above the standard model expectation is seen in the
invariant mass distribution of the dilepton plus dijet system. Assuming that couplings
are identical to those of the standard model, and that only one heavy neutrino flavor NR
contributes significantly to the WR decay width, the region in the two-dimensional (mWR
,
mNR
) mass plane excluded at 95% confidence level extends to approximately mWR =
4.4 TeV and covers a large range of right-handed neutrino masses below the WR boson
mass. This analysis provides the most stringent limits on the WR mass to date. |
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