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Search for W decaying to tau lepton and neutrino in proton-proton collisions at root s=8 TeV

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2016
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Authors
Khachatryan, V.
Adžić, Petar
Ekmedžić, Marko
Milošević, Jovan
Reković, Vladimir
Đorđević, Miloš
Milenović, Predrag
CMS Collaboration (ukupan broj autora: 2319)
Article (Published version)
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Abstract
The first search for a heavy charged vector boson in the final state with a tau lepton and a neutrino is reported, using 19.7 fb(-1) of LHC data at root s = 8 TeV. A signal would appear as an excess of events with high transverse mass, where the standard model background is low. No excess is observed. Limits are set on a model in which the W decays preferentially to fermions of the third generation. These results substantially extend previous constraints on this model. Masses below 2.0 to 2.7 TeV are excluded, depending on the model parameters. In addition, the existence of a W boson with universal fermion couplings is excluded at 95% confidence level, for W masses below 2.7 TeV. For further reinterpretation a model-independent limit on potential signals for various transverse mass thresholds is also presented. (C) 2016 CERN for the benefit of the CMS Collaboration. Published by Elsevier B.V. This is an open access article under the CC BY license.
Keywords:
CMS / Physics / W decays
Source:
Physics Letters B, 2016, 755, 196-216
Publisher:
  • Elsevier
Funding / projects:
  • BMWFW (Austria), FWF (Austria), FNRS (Belgium), FWO (Belgium), CNPq (Brazil), CAPES (Brazil), FAPERJ (Brazil), FAPESP (Brazil), MES (Bulgaria), CERN, CAS (China), MOST (China), NSFC (China), COLCIENCIAS (Colombia), MSES (Croatia), CSF (Croatia), RPF (Cyprus), MoER (Estonia), ERC IUT (Estonia), ERDF (Estonia), Academy of Finland, MEC (Finland), HIP (Finland), CEA (France), CNRS/IN2P3 (France), BMBF, Germany, DFG (Germany), HGF (Germany), GSRT (Greece), OTKA (Hungary), NIH (Hungary), DAE (India), DST (India), IPM (Iran), SFI (Ireland), INFN (Italy), MSIP (Republic of Korea), NRF (Republic of Korea), LAS (Lithuania), MOE (Malaysia), UM (Malaysia), CINVESTAV (Mexico), CONACYT (Mexico), SEP (Mexico), UASLP-FAI (Mexico), MBIE (New Zealand), PAEC (Pakistan), MSHE (Poland), NSC (Poland), FCT (Portugal), JINR (Dubna), MON (Russia), RosAtom (Russia), RAS (Russia), RFBR (Russia), MESTD (Serbia), SEIDI (Spain), CPAN (Spain), Swiss Funding Agencies (Switzerland), MST (Taipei), ThEPCenter (Thailand), IPST (Thailand), STAR (Thailand), NSTDA (Thailand), TUBITAK (Turkey), TAEK (Turkey), NASU (Ukraine), SFFR (Ukraine), STFC (United Kingdom), DOE (USA), NSF (USA)

DOI: 10.1016/j.physletb.2016.02.002

ISSN: 0370-2693; 1873-2445

WoS: 000373568100030

Scopus: 2-s2.0-84958949879
[ Google Scholar ]
19
20
URI
https://vinar.vin.bg.ac.rs/handle/123456789/996
Collections
  • WoS Import
Institution/Community
Vinča
TY  - JOUR
AU  - Khachatryan, V.
AU  - Adžić, Petar
AU  - Ekmedžić, Marko
AU  - Milošević, Jovan
AU  - Reković, Vladimir
AU  - Đorđević, Miloš
AU  - Milenović, Predrag
PY  - 2016
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/996
AB  - The first search for a heavy charged vector boson in the final state with a tau lepton and a neutrino is reported, using 19.7 fb(-1) of LHC data at root s = 8 TeV. A signal would appear as an excess of events with high transverse mass, where the standard model background is low. No excess is observed. Limits are set on a model in which the W decays preferentially to fermions of the third generation. These results substantially extend previous constraints on this model. Masses below 2.0 to 2.7 TeV are excluded, depending on the model parameters. In addition, the existence of a W boson with universal fermion couplings is excluded at 95% confidence level, for W masses below 2.7 TeV. For further reinterpretation a model-independent limit on potential signals for various transverse mass thresholds is also presented. (C) 2016 CERN for the benefit of the CMS Collaboration. Published by Elsevier B.V. This is an open access article under the CC BY license.
PB  - Elsevier
T2  - Physics Letters B
T1  - Search for W decaying to tau lepton and neutrino in proton-proton collisions at root s=8 TeV
VL  - 755
SP  - 196
EP  - 216
DO  - 10.1016/j.physletb.2016.02.002
ER  - 
@article{
author = "Khachatryan, V. and Adžić, Petar and Ekmedžić, Marko and Milošević, Jovan and Reković, Vladimir and Đorđević, Miloš and Milenović, Predrag",
year = "2016",
abstract = "The first search for a heavy charged vector boson in the final state with a tau lepton and a neutrino is reported, using 19.7 fb(-1) of LHC data at root s = 8 TeV. A signal would appear as an excess of events with high transverse mass, where the standard model background is low. No excess is observed. Limits are set on a model in which the W decays preferentially to fermions of the third generation. These results substantially extend previous constraints on this model. Masses below 2.0 to 2.7 TeV are excluded, depending on the model parameters. In addition, the existence of a W boson with universal fermion couplings is excluded at 95% confidence level, for W masses below 2.7 TeV. For further reinterpretation a model-independent limit on potential signals for various transverse mass thresholds is also presented. (C) 2016 CERN for the benefit of the CMS Collaboration. Published by Elsevier B.V. This is an open access article under the CC BY license.",
publisher = "Elsevier",
journal = "Physics Letters B",
title = "Search for W decaying to tau lepton and neutrino in proton-proton collisions at root s=8 TeV",
volume = "755",
pages = "196-216",
doi = "10.1016/j.physletb.2016.02.002"
}
Khachatryan, V., Adžić, P., Ekmedžić, M., Milošević, J., Reković, V., Đorđević, M.,& Milenović, P.. (2016). Search for W decaying to tau lepton and neutrino in proton-proton collisions at root s=8 TeV. in Physics Letters B
Elsevier., 755, 196-216.
https://doi.org/10.1016/j.physletb.2016.02.002
Khachatryan V, Adžić P, Ekmedžić M, Milošević J, Reković V, Đorđević M, Milenović P. Search for W decaying to tau lepton and neutrino in proton-proton collisions at root s=8 TeV. in Physics Letters B. 2016;755:196-216.
doi:10.1016/j.physletb.2016.02.002 .
Khachatryan, V., Adžić, Petar, Ekmedžić, Marko, Milošević, Jovan, Reković, Vladimir, Đorđević, Miloš, Milenović, Predrag, "Search for W decaying to tau lepton and neutrino in proton-proton collisions at root s=8 TeV" in Physics Letters B, 755 (2016):196-216,
https://doi.org/10.1016/j.physletb.2016.02.002 . .

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