Evidence for the 125 GeV Higgs boson decaying to a pair of $$\tau$$ leptons
Abstract
A search for a standard model Higgs boson decaying into a pair of tau leptons is performed using events recorded by the CMS experiment at the LHC in 2011 and 2012. The dataset corresponds to an integrated luminosity of 4.9 inverse femtobarns at a centre-of-mass energy of 7 TeV and 19.7 inverse femtobarns at 8 TeV. Each tau lepton decays hadronically or leptonically to an electron or a muon, leading to six different final states for the tau-lepton pair, all considered in this analysis. An excess of events is observed over the expected background contributions, with a local significance larger than 3 standard deviations for m[H] values between 115 and 130 GeV. The best fit of the observed H to tau tau signal cross section for m[H] = 125 GeV is 0.78 +- 0.27 times the standard model expectation. These observations constitute evidence for the 125 GeV Higgs boson decaying to a pair of tau leptons.
- Authors:
-
- et al.
- Publication Date:
- Research Org.:
- Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), High Energy Physics (HEP)
- Contributing Org.:
- CMS Collaboration
- OSTI Identifier:
- 1151718
- Report Number(s):
- FERMILAB-PUB-14-082-CMS; CERN-PH-EP-2014-001; CMS-HIG-13-004
Journal ID: ISSN 1029-8479; arXiv eprint number arXiv:1401.5041
- Grant/Contract Number:
- AC02-07CH11359
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Journal of High Energy Physics (Online)
- Additional Journal Information:
- Journal Name: Journal of High Energy Physics (Online); Journal Volume: 2014; Journal Issue: 5; Journal ID: ISSN 1029-8479
- Publisher:
- Springer Berlin
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
Citation Formats
Chatrchyan, Serguei. Evidence for the 125 GeV Higgs boson decaying to a pair of $\tau$ leptons. United States: N. p., 2014.
Web. doi:10.1007/JHEP05(2014)104.
Chatrchyan, Serguei. Evidence for the 125 GeV Higgs boson decaying to a pair of $\tau$ leptons. United States. https://doi.org/10.1007/JHEP05(2014)104
Chatrchyan, Serguei. Mon .
"Evidence for the 125 GeV Higgs boson decaying to a pair of $\tau$ leptons". United States. https://doi.org/10.1007/JHEP05(2014)104. https://www.osti.gov/servlets/purl/1151718.
@article{osti_1151718,
title = {Evidence for the 125 GeV Higgs boson decaying to a pair of $\tau$ leptons},
author = {Chatrchyan, Serguei},
abstractNote = {A search for a standard model Higgs boson decaying into a pair of tau leptons is performed using events recorded by the CMS experiment at the LHC in 2011 and 2012. The dataset corresponds to an integrated luminosity of 4.9 inverse femtobarns at a centre-of-mass energy of 7 TeV and 19.7 inverse femtobarns at 8 TeV. Each tau lepton decays hadronically or leptonically to an electron or a muon, leading to six different final states for the tau-lepton pair, all considered in this analysis. An excess of events is observed over the expected background contributions, with a local significance larger than 3 standard deviations for m[H] values between 115 and 130 GeV. The best fit of the observed H to tau tau signal cross section for m[H] = 125 GeV is 0.78 +- 0.27 times the standard model expectation. These observations constitute evidence for the 125 GeV Higgs boson decaying to a pair of tau leptons.},
doi = {10.1007/JHEP05(2014)104},
journal = {Journal of High Energy Physics (Online)},
number = 5,
volume = 2014,
place = {United States},
year = {Mon Jan 20 00:00:00 EST 2014},
month = {Mon Jan 20 00:00:00 EST 2014}
}
Web of Science
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