Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/5025
Title: Search for pair production of first-generation scalar leptoquarks in pp collisions at ?s=7TeV
Authors: CMS Collaboration
Demir, Durmuş Ali
Keywords: Tellurium compounds
Photons
Upper limits
Pair production
Proton proton collisions
Issue Date: May-2011
Publisher: American Physical Society
Source: Khachatryan, V., Sirunyan, A.M., Tumasyan, A., Adam, W., Bergauer, T., Dragicevic, M., Erö, J., ...CMS Collaboration (2011). Search for pair production of first-generation scalar leptoquarks in pp collisions at √s=7TeV. Physical Review Letters, 106(20). doi:10.1103/PhysRevLett.106.201802
Abstract: A search for pair production of first-generation scalar leptoquarks is performed in the final state containing two electrons and two jets using proton-proton collision data at √s=7TeV. The data sample used corresponds to an integrated luminosity of 33pb-1 collected with the CMS detector at the CERN LHC. The number of observed events is in good agreement with the predictions for the standard model background processes, and an upper limit is set on the leptoquark pair production cross section times β2 as a function of the leptoquark mass, where β is the branching fraction of the leptoquark decay to an electron and a quark. A 95% confidence level lower limit is set on the mass of a first-generation scalar leptoquark at 384 GeV for β=1, which is the most stringent direct limit to date. © 2011 American Physical Society.
URI: http://doi.org/10.1103/PhysRevLett.106.201802
http://hdl.handle.net/11147/5025
ISSN: 0031-9007
1079-7114
Appears in Collections:Physics / Fizik
PubMed İndeksli Yayınlar Koleksiyonu / PubMed Indexed Publications Collection
Rectorate / Rektörlük
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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