ÚTEFČVUT Ústav technické a experimentální fyziky ČVUT v PrazeInstitute of Experimental and Applied Physics, CTU in Prague

Search for anomalous production of prompt like-sign lepton pairs at root √s=7 TeV with the ATLAS detector

NázevTitle
Search for anomalous production of prompt like-sign lepton pairs at root √s=7 TeV with the ATLAS detectorSearch for anomalous production of prompt like-sign lepton pairs at root √s=7 TeV with the ATLAS detector
Druh výsledkuResult type
Článek v časopiseJournal article
AutořiAuthors
G. Aad, T. Abajyan, B. Abbott, J. Abdallah, S. A. Khalek, K. Augsten, T. Holý, Z. Hubáček, J. Jakůbek, Z. Kohout, V. Král, F. Krejčí, S. Pospíšil, V. Šimák, T. Slavíček, K. Smolek, J. Sodomka, M. Solar, J. Šolc, V. Sopko, B. Sopko, I. Štekl, D. Tureček, V. Vacek, M. Vlasák, P. Vokáč
Klíčová slovaKeywords
Hadron-Hadron Scattering, lhc, anomalous production, ATLAS detector, Standard Model, invariant mass distribution
ExperimentCollaboration
ATLAS
DOIDOI
10.1007/JHEP12(2012)007
Časopis / citaceJournal / citation
Journal of High Energy Physics 2012(12), 7 (2012) · ISSN 1029-8479
RokYear
2012
JazykLanguage
eng
ZáznamyRecords
ProjektProject
Fundamentální experimenty ve fyzice mikrosvětaFundamental Experiments in Physics of Microworld; Mezinárodní experiment ATLAS-CERNInternational Experiment ATLAS-CERN
CitovánoCited by
46 (INSPIRE-HEP)
2012: 42013: 122014: 122015: 62016: 02017: 22018: 22019: 12020: 32021: 12022: 12023: 2
Plný text (open access)Full text (open access)
https://link.springer.com/content/pdf/10.1007/JHEP12(2012)007.pdf
Citace ke staženíDownload citation
TXT · BibTeX

AbstraktAbstract

An inclusive search for anomalous production of two prompt, isolated leptons with the same electric charge is presented. The search is performed in a data sample corresponding to 4.7 fb-1 of integrated luminosity collected in 2011 at √s = 7 TeV with the ATLAS detector at the LHC. Pairs of leptons (e+/-e+/-, e+/-μ+/-, and μ+/-μ+/-) with large transverse momentum are selected, and the dilepton invariant mass distribution is examined for any deviation from the Standard Model expectation. No excess is found, and upper limits on the production cross section of like-sign lepton pairs from physics processes beyond the Standard Model are placed as a function of the dilepton invariant mass within a fiducial region close to the experimental selection criteria. The 95% confidence level upper limits on the cross section of anomalous e+/-e+/-, e+/-μ+/-, or μ+/-μ+/- production range between 1.7 fb and 64 fb depending on the dilepton mass and flavour combination.

An inclusive search for anomalous production of two prompt, isolated leptons with the same electric charge is presented. The search is performed in a data sample corresponding to 4.7 fb-1 of integrated luminosity collected in 2011 at √s = 7 TeV with the ATLAS detector at the LHC. Pairs of leptons (e+/-e+/-, e+/-μ+/-, and μ+/-μ+/-) with large transverse momentum are selected, and the dilepton invariant mass distribution is examined for any deviation from the Standard Model expectation. No excess is found, and upper limits on the production cross section of like-sign lepton pairs from physics processes beyond the Standard Model are placed as a function of the dilepton invariant mass within a fiducial region close to the experimental selection criteria. The 95% confidence level upper limits on the cross section of anomalous e+/-e+/-, e+/-μ+/-, or μ+/-μ+/- production range between 1.7 fb and 64 fb depending on the dilepton mass and flavour combination.

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