@article{10902/28579,
year = {2011},
month = {9},
url = {https://hdl.handle.net/10902/28579},
abstract = {A search for pair-production of first generation scalar leptoquarks is performed in the final state con-
taining an electron, a neutrino, and at least two jets using proton?proton collision data at ?s = 7 TeV.
The data were collected by the CMS detector at the LHC, corresponding to an integrated luminosity
of 36 pb?1. The number of observed events is in good agreement with the predictions for standard
model processes. Prior CMS results in the dielectron channel are combined with this electron + neutrino
search. A 95% confidence level combined lower limit is set on the mass of a first generation scalar lep-
toquark at 339 GeV for ? = 0.5, where ? is the branching fraction of the leptoquark to an electron
and a quark. These results represent the most stringent direct limits to date for values of ? greater
than 0.05.},
organization = {We wish to thank Michael Krämer for providing the 7 TeV NLO LQ pair-production cross sections and to congratulate our colleagues in the CERN accelerator departments for the excellent performance of the LHC machine. We thank the technical and administrative staff at CERN and other CMS institutes, and acknowledge support from: FMSR (Austria); FNRS and FWO (Belgium); CNPq, CAPES, FAPERJ, and FAPESP (Brazil); MES (Bulgaria); CERN; CAS, MoST, and NSFC (China); COLCIENCIAS (Colombia); MSES (Croatia); RPF (Cyprus); Academy of Sciences and NICPB (Estonia); Academy of Finland, ME, and HIP (Finland); CEA and CNRS/IN2P3
(France); BMBF, DFG, and HGF (Germany); GSRT (Greece); OTKA and NKTH (Hungary); DAE and DST (India); IPM (Iran); SFI (Ireland); INFN (Italy); NRF and WCU (Korea); LAS (Lithuania); CINVESTAV, CONACYT, SEP, and UASLP-FAI (Mexico); PAEC (Pakistan); SCSR (Poland); FCT (Portugal); JINR (Armenia, Belarus, Georgia, Ukraine, Uzbekistan); MST and MAE (Russia); MSTD (Serbia); MICINN and CPAN (Spain); Swiss Funding Agencies (Switzerland); NSC (Taipei); TUBITAK and TAEK (Turkey); STFC (United Kingdom); DOE and NSF (USA).},
publisher = {Elsevier},
publisher = {Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 2011, 703(3), 246-266},
title = {Search for first generation scalar leptoquarks in the e?jj channel in pp collisions at vs=7 TeV},
author = {Chatrchyan, Serguei and Brochero Cifuentes, Javier Andrés and Cabrillo Bartolomé, José Iban and Calderón Tazón, Alicia and Chuang, S. H. and Duarte Campderros, Jorge and Felcini, Marta and Fernández García, Marcos and Gómez Gramuglio, Gervasio and González Sánchez, Francisco Javier and Jordá Lope, Clara and Lobelle Pardo, Patricia and López Virto, María Amparo and Marco de Lucas, Jesús and Marco de Lucas, Rafael José and Martínez Rivero, Celso and Matorras Weinig, Francisco and Muñoz Sánchez, Francisca Javiela and Piedra Gómez, Jonatan and Rodrigo Anoro, Teresa},
}