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Search for a massive resonance decaying into a Higgs boson and a W or Z boson in hadronic final states 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: 2276)
Article (Published version)
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Abstract
A search for a massive resonance decaying into a standard-model-like Higgs boson (H) and a W or Z boson is reported. The analysis is performed on a data sample corresponding to an integrated luminosity of 19.7 fb(-1), collected in proton-proton collisions at a centre-of-mass energy of 8 TeV with the CMS detector at the LHC. Signal events, in which the decay products of Higgs, W, or Z bosons at high Lorentz boost are contained within single reconstructed jets, are identified using jet substructure techniques, including the tagging of b hadrons. This is the first search for heavy resonances decaying into HW or HZ resulting in an all-jet final state, as well as the first application of jet substructure techniques to identify H - GT WW* - GT 4q decays at high Lorentz boost. No significant signal is observed and limits are set at 95% confidence level on the production cross sections of W and Z in a model with mass-degenerate charged and neutral spin-1 resonances. Resonance masses are exclud...ed for W in the interval [1.0, 1.6] TeV, for Z in the intervals [1.0, 1.1] and [1.3, 1.5] TeV, and for mass-degenerate W and Z in the interval [1.0, 1.7] TeV.

Keywords:
Hadron-Hadron scattering / Beyond Standard Model / Particle and resonance production / Higgs physics
Source:
Journal of High Energy Physics, 2016, 2
Funding / projects:
  • BMWFW (Austria), FWF (Austria), FNRS (Belgium), FWO (Belgium), CNPq (Brazil), CAPES (Brazil), FAPERJ (Brazil), FAPESP (Brazil), MES (Bulgaria), CERN (China), 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, IPST, STAR (Thailand), NSTDA (Thailand), TUBITAK (Turkey), TAEK (Turkey), NASU (Ukraine), SFFR (Ukraine), STFC (United Kingdom), DOE (U.S.A.), NSF (U.S.A.), Marie-Curie programme, European Research Council, EPLANET (European Union), Leventis Foundation, A.P. Sloan Foundation, Alexander von Humboldt Foundation, Belgian Federal Science Policy Office, Fonds pour la Formation a la Recherche dans lIndustrie et dans lAgriculture (FRIA-Belgium), Agentschap voor Innovatie door Wetenschap en Technologie (IWT-Belgium), Ministry of Education, Youth and Sports (MEYS) of the Czech Republic, Council of Science and Industrial Research, India, HOMING PLUS programme of the Foundation for Polish Science, European Union, Regional Development Fund, Compagnia di San Paolo (Torino), Consorzio per la Fisica (Trieste), MIUR (Italy) [20108T4XTM], Thalis programme, Aristeia programme, EU-ESF, Greek NSRF, National Priorities Research Program by Qatar National Research Fund

DOI: 10.1007/JHEP02(2016)145

ISSN: 1029-8479

WoS: 000375290000010

Scopus: 2-s2.0-85008500850
[ Google Scholar ]
18
41
URI
https://vinar.vin.bg.ac.rs/handle/123456789/1048
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/123456789/1048
AB  - A search for a massive resonance decaying into a standard-model-like Higgs boson (H) and a W or Z boson is reported. The analysis is performed on a data sample corresponding to an integrated luminosity of 19.7 fb(-1), collected in proton-proton collisions at a centre-of-mass energy of 8 TeV with the CMS detector at the LHC. Signal events, in which the decay products of Higgs, W, or Z bosons at high Lorentz boost are contained within single reconstructed jets, are identified using jet substructure techniques, including the tagging of b hadrons. This is the first search for heavy resonances decaying into HW or HZ resulting in an all-jet final state, as well as the first application of jet substructure techniques to identify H - GT WW* - GT 4q decays at high Lorentz boost. No significant signal is observed and limits are set at 95% confidence level on the production cross sections of W and Z in a model with mass-degenerate charged and neutral spin-1 resonances. Resonance masses are excluded for W in the interval [1.0, 1.6] TeV, for Z in the intervals [1.0, 1.1] and [1.3, 1.5] TeV, and for mass-degenerate W and Z in the interval [1.0, 1.7] TeV.
T2  - Journal of High Energy Physics
T1  - Search for a massive resonance decaying into a Higgs boson and a W or Z boson in hadronic final states in proton-proton collisions at root s=8 TeV
IS  - 2
DO  - 10.1007/JHEP02(2016)145
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 = "A search for a massive resonance decaying into a standard-model-like Higgs boson (H) and a W or Z boson is reported. The analysis is performed on a data sample corresponding to an integrated luminosity of 19.7 fb(-1), collected in proton-proton collisions at a centre-of-mass energy of 8 TeV with the CMS detector at the LHC. Signal events, in which the decay products of Higgs, W, or Z bosons at high Lorentz boost are contained within single reconstructed jets, are identified using jet substructure techniques, including the tagging of b hadrons. This is the first search for heavy resonances decaying into HW or HZ resulting in an all-jet final state, as well as the first application of jet substructure techniques to identify H - GT WW* - GT 4q decays at high Lorentz boost. No significant signal is observed and limits are set at 95% confidence level on the production cross sections of W and Z in a model with mass-degenerate charged and neutral spin-1 resonances. Resonance masses are excluded for W in the interval [1.0, 1.6] TeV, for Z in the intervals [1.0, 1.1] and [1.3, 1.5] TeV, and for mass-degenerate W and Z in the interval [1.0, 1.7] TeV.",
journal = "Journal of High Energy Physics",
title = "Search for a massive resonance decaying into a Higgs boson and a W or Z boson in hadronic final states in proton-proton collisions at root s=8 TeV",
number = "2",
doi = "10.1007/JHEP02(2016)145"
}
Khachatryan, V., Adžić, P., Ekmedžić, M., Milošević, J., Reković, V., Đorđević, M.,& Milenović, P.. (2016). Search for a massive resonance decaying into a Higgs boson and a W or Z boson in hadronic final states in proton-proton collisions at root s=8 TeV. in Journal of High Energy Physics(2).
https://doi.org/10.1007/JHEP02(2016)145
Khachatryan V, Adžić P, Ekmedžić M, Milošević J, Reković V, Đorđević M, Milenović P. Search for a massive resonance decaying into a Higgs boson and a W or Z boson in hadronic final states in proton-proton collisions at root s=8 TeV. in Journal of High Energy Physics. 2016;(2).
doi:10.1007/JHEP02(2016)145 .
Khachatryan, V., Adžić, Petar, Ekmedžić, Marko, Milošević, Jovan, Reković, Vladimir, Đorđević, Miloš, Milenović, Predrag, "Search for a massive resonance decaying into a Higgs boson and a W or Z boson in hadronic final states in proton-proton collisions at root s=8 TeV" in Journal of High Energy Physics, no. 2 (2016),
https://doi.org/10.1007/JHEP02(2016)145 . .

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