Search for first generation leptoquark pair production in p(p)over-bar collisions at root s=1.8 TeV

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doi:10.1103/PhysRevLett.79.4327

We present the results of a search for first generation scalar leptoquarks pairs (S-1 (S)over-bar(1)) in 110 +/- 7 pb(-1) of data collected by the Collider Detector at Fermilab. We assume both leptoquarks decay to an electron and a quark. Three candidate events, with masses below 140 GeV/c(2) and consistent with background expectations, are observed. We obtain a 95% confidence level upper limit on the production cross section as a function of the leptoquark mass. Using a next-to-leading order calculation of S-1 (S)over-bar(1) production, we exclude scalar leptoquarks with mass less than 213 GeV/c(2) at 95% C.L. for a branching ratio into eq equal to 1. RI Lancaster, Mark/C-1693-2008; Vucinic, Dejan/C-2406-2008; Chiarelli, Giorgio/E-8953-2012; Azzi, Patrizia/H-5404-2012

Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11695/845

Digital Object Identifier (DOI):	10.1103/PhysRevLett.79.4327
Codice identificativo ISI:	WOS:A1997YJ38800008
Handle:	http://hdl.handle.net/11695/845
Appare nelle tipologie:	1.1 Articolo in rivista

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