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Search for dark matter produced in association with heavy-flavor quark pairs in proton-proton collisions at root s=13 TeV

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2017
1861.pdf (2.043Mb)
Authors
Sirunyan, A. M.
Adžić, Petar
Ćirković, Predrag
Devetak, Damir
Đorđević, Miloš
Milošević, Jovan
Reković, Vladimir
Milenović, Predrag
CMS Collaboration (ukupan broj autora: 2194)
Article
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Abstract
A search is presented for an excess of events with heavy-flavor quark pairs (t (t) over bar and b (b) over bar) and a large imbalance in transverse momentum in data from proton-proton collisions at a center-of-mass energy of 13 TeV. The data correspond to an integrated luminosity of 2.2 fb(-1) collected with the CMS detector at the CERN LHC. No deviations are observed with respect to standard model predictions. The results are used in the first interpretation of dark matter production in t (t) over bar and b (b) over bar final states in a simplified model. This analysis is also the first to perform a statistical combination of searches for dark matter produced with different heavy-flavor final states. The combination provides exclusions that are stronger than those achieved with individual heavy-flavor final states.
Source:
European Physical Journal C. Particles and Fields, 2017, 77, 12
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), SENESCYT (Ecuador), 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), BUAP (Mexico), CINVESTAV (Mexico), CONACYT (Mexico), LNS (Mexico), SEP (Mexico), UASLP-FAI (Mexico), MBIE (NewZealand), PAEC (Pakistan), MSHE (Poland), NSC (Poland), FCT (Portugal), JINR (Dubna), MON (Russia), RosAtom (Russia), RAS (Russia), RFBR (Russia), RAEP (Russia), MESTD (Serbia), SEIDI (Spain), CPAN (Spain), PCTI (Spain), FEDER (Spain), Swiss Funding Agencies (Switzerland), MST (Taipei), ThEPCenter (Thailand), IPST (Thailand), STAR (Thailand), NSTDA (Thailand), TUBITAK (Turkey), TAEK (Turkey), NASU (Ukraine), SFFR (Ukraine), STFC (UK), DOE (USA), NSF (USA), Marie-Curie program, European Research Council and Horizon [675440], 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 program of the Foundation for Polish Science, European Union, Regional Development Fund, Ministry of Science and Higher Education, National Science Center (Poland) [Harmonia 2014/14/M/ST2/00428, Opus 2014/13/B/ST2/02543, 2014/15/B/ST2/03998, 2015/19/B/ST2/02861, Sonata-bis 2012/07/E/ST2/01406], National Priorities Research Program by Qatar National Research Fund, Programa Clarin-COFUND del Principado de Asturias, Thalis program, Aristeia program, EU-ESF, Greek NSRF, Rachadapisek Sompot Fund for Postdoctoral Fellowship, Chulalongkorn University, Chulalongkorn Academic into Its 2nd Century Project Advancement Project (Thailand), Welch Foundation [C-1845]

DOI: 10.1140/epjc/s10052-017-5317-4

ISSN: 1434-6044; 1434-6052

WoS: 000417825000003

Scopus: 2-s2.0-85037361850
[ Google Scholar ]
33
25
URI
https://vinar.vin.bg.ac.rs/handle/123456789/1865
Collections
  • WoS Import
Institution/Community
Vinča
TY  - JOUR
AU  - Sirunyan, A. M.
AU  - Adžić, Petar
AU  - Ćirković, Predrag
AU  - Devetak, Damir
AU  - Đorđević, Miloš
AU  - Milošević, Jovan
AU  - Reković, Vladimir
AU  - Milenović, Predrag
PY  - 2017
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/1865
AB  - A search is presented for an excess of events with heavy-flavor quark pairs (t (t) over bar and b (b) over bar) and a large imbalance in transverse momentum in data from proton-proton collisions at a center-of-mass energy of 13 TeV. The data correspond to an integrated luminosity of 2.2 fb(-1) collected with the CMS detector at the CERN LHC. No deviations are observed with respect to standard model predictions. The results are used in the first interpretation of dark matter production in t (t) over bar and b (b) over bar final states in a simplified model. This analysis is also the first to perform a statistical combination of searches for dark matter produced with different heavy-flavor final states. The combination provides exclusions that are stronger than those achieved with individual heavy-flavor final states.
T2  - European Physical Journal C. Particles and Fields
T1  - Search for dark matter produced in association with heavy-flavor quark pairs in proton-proton collisions at root s=13 TeV
VL  - 77
IS  - 12
DO  - 10.1140/epjc/s10052-017-5317-4
ER  - 
@article{
author = "Sirunyan, A. M. and Adžić, Petar and Ćirković, Predrag and Devetak, Damir and Đorđević, Miloš and Milošević, Jovan and Reković, Vladimir and Milenović, Predrag",
year = "2017",
abstract = "A search is presented for an excess of events with heavy-flavor quark pairs (t (t) over bar and b (b) over bar) and a large imbalance in transverse momentum in data from proton-proton collisions at a center-of-mass energy of 13 TeV. The data correspond to an integrated luminosity of 2.2 fb(-1) collected with the CMS detector at the CERN LHC. No deviations are observed with respect to standard model predictions. The results are used in the first interpretation of dark matter production in t (t) over bar and b (b) over bar final states in a simplified model. This analysis is also the first to perform a statistical combination of searches for dark matter produced with different heavy-flavor final states. The combination provides exclusions that are stronger than those achieved with individual heavy-flavor final states.",
journal = "European Physical Journal C. Particles and Fields",
title = "Search for dark matter produced in association with heavy-flavor quark pairs in proton-proton collisions at root s=13 TeV",
volume = "77",
number = "12",
doi = "10.1140/epjc/s10052-017-5317-4"
}
Sirunyan, A. M., Adžić, P., Ćirković, P., Devetak, D., Đorđević, M., Milošević, J., Reković, V.,& Milenović, P.. (2017). Search for dark matter produced in association with heavy-flavor quark pairs in proton-proton collisions at root s=13 TeV. in European Physical Journal C. Particles and Fields, 77(12).
https://doi.org/10.1140/epjc/s10052-017-5317-4
Sirunyan AM, Adžić P, Ćirković P, Devetak D, Đorđević M, Milošević J, Reković V, Milenović P. Search for dark matter produced in association with heavy-flavor quark pairs in proton-proton collisions at root s=13 TeV. in European Physical Journal C. Particles and Fields. 2017;77(12).
doi:10.1140/epjc/s10052-017-5317-4 .
Sirunyan, A. M., Adžić, Petar, Ćirković, Predrag, Devetak, Damir, Đorđević, Miloš, Milošević, Jovan, Reković, Vladimir, Milenović, Predrag, "Search for dark matter produced in association with heavy-flavor quark pairs in proton-proton collisions at root s=13 TeV" in European Physical Journal C. Particles and Fields, 77, no. 12 (2017),
https://doi.org/10.1140/epjc/s10052-017-5317-4 . .

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