期刊
PHYSICS LETTERS B
卷 782, 期 -, 页码 440-467出版社
ELSEVIER
DOI: 10.1016/j.physletb.2018.05.062
关键词
CMS; SUSY; Compressed; Leptons; Missing energy
资金
- 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)
- SENESCYT (Ecuador)
- MoER (Estonia)
- ERC IUT (Estonia)
- ERDF (Estonia)
- Academy of Finland (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 (New Zealand)
- 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)
- ThEP-Center (Thailand)
- IPST (Thailand)
- STAR (Thailand)
- NSTDA (Thailand)
- TUBITAK (Turkey)
- TAEK (Turkey)
- NASU (Ukraine)
- SFFR (Ukraine)
- STFC (United Kingdom)
- DOE (USA)
- NSF (USA)
- Marie-Curie programme
- European Research Council (European Union)
- Horizon 2020 Grant (European Union) [675440]
- Leventis Foundation
- A. P. Sloan Foundation
- Alexander von Humboldt Foundation
- Belgian Federal Science Policy Office
- Fonds pour la Formation a la Recherche dans l'Industrie et dans l'Agriculture (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
- 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 Severo Ochoa del Principado de Asturias
- Thalis programme
- EU-ESF
- Greek NSRF
- Chulalongkorn University (Thailand)
- Chulalongkorn Academic into Its 2nd Century Project Advancement Project (Thailand)
- Welch Foundation [C-1845]
- Weston Havens Foundation (USA)
- Aristeia programme
- Regional Development Fund
- STFC [ST/N001273/1, ST/I505580/1, ST/L005603/1, ST/K003542/1, ST/I003622/1, ST/F007434/1, ST/J004871/1, ST/M004775/1, ST/J005479/1, ST/N000242/1] Funding Source: UKRI
- Science and Technology Facilities Council [ST/F007434/1, ST/J004871/1, ST/J005479/1, ST/K003542/1, ST/I505580/1, ST/L005603/1, ST/K003542/1 GRID PP, ST/M004775/1, ST/N001273/1, ST/I003622/1] Funding Source: researchfish
- Direct For Mathematical & Physical Scien [1151640] Funding Source: National Science Foundation
A search is presented for new physics in events with two low-momentum, oppositely charged leptons (electrons or muons) and missing transverse momentum in proton-proton collisions at a centre-of-mass energy of 13TeV. The data collected using the CMS detector at the LHC correspond to an integrated luminosity of 35.9 fb(-1). The observed event yields are consistent with the expectations from the standard model. The results are interpreted in terms of pair production of charginos and neutralinos ((chi) over tilde (+/-)(1) and (chi) over tilde (0)(2)) with nearly degenerate masses, as expected in natural supersymmetry models with light higgsinos, as well as in terms of the pair production of top squarks ((t) over tilde), when the lightest neutralino and the top squark have similar masses. At 95% confidence level, wino-like (chi) over tilde (+/-)(1)/(chi) over tilde (0)(2) masses are excluded up to 230GeVfor a mass difference of 20GeV relative to the lightest neutralino. In the higgsino-like model, masses are excluded up to 168GeV for the same mass difference. For (t) over tilde pair production, top squark masses up to 450GeVare excluded for a mass difference of 40GeV relative to the lightest neutralino. (C) 2018 The Author(s). Published by Elsevier B.V.
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