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Title

Search for first-generation scalar leptoquarks in pp collisions at s√=1.96   TeV

CollaborationWith : Campanelli, Mario / Clark, Allan Geoffrey / Donega, Mauro / D'Onofrio, Monica / Lister, Alison / Liu, Yanwen / Wu, Xin
Published in Physical Review. D. 2005, vol. 72, no. 05, p. 051107
Abstract We report on a search for pair production of first-generation scalar leptoquarks (LQ) in pp collisions at s√=1.96   TeV using an integrated luminosity of 203   pb−1 collected at the Fermilab Tevatron collider by the CDF experiment. We observe no evidence for LQ production in the topologies arising from LQLQ→eqeq and LQLQ→eqνq, and derive 95% C.L. upper limits on the LQ production cross section. The results are combined with those obtained from a separately reported CDF search in the topology arising from LQLQ→νqνq and 95% C.L. lower limits on the LQ mass as a function of β=BR(LQ→eq) are derived. The limits are 236, 205 and 145  GeV/c2 for β=1, β=0.5 and β=0.1, respectively.
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CDF COLLABORATION. Search for first-generation scalar leptoquarks in pp collisions at s√=1.96   TeV. In: Physical Review. D, 2005, vol. 72, n° 05, p. 051107. https://archive-ouverte.unige.ch/unige:38314

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Deposited on : 2014-06-30

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