Search for pair production of second-generation scalar leptoquarks in pp collisions at √s=7 TeV

Khachatryan, V. ; Sirunyan, A. M. ; TumasyanV, A. ; Kailas, S. ; et., al (2011) Search for pair production of second-generation scalar leptoquarks in pp collisions at √s=7 TeV Physical Review Letters, 106 (20). 201803_1-201803_15. ISSN 0031-9007

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Official URL: http://prl.aps.org/abstract/PRL/v106/i20/e201803

Related URL: http://dx.doi.org/10.1103/PhysRevLett.106.201803

Abstract

A search for pair production of second-generation scalar leptoquarks in the final state with two muons and two jets is performed using proton-proton collision data at √s=7 TeV collected by the CMS detector at the LHC. The data sample used corresponds to an integrated luminosity of 34 pb-1. The number of observed events is in good agreement with the predictions from the standard model processes. An upper limit is set on the second-generation leptoquark cross section times β2 as a function of the leptoquark mass, and leptoquarks with masses below 394 GeV are excluded at a 95% confidence level for β=1, where β is the leptoquark branching fraction into a muon and a quark. These limits are the most stringent to date.

Item Type:Article
Source:Copyright of this article belongs to The American Physical Society.
ID Code:85457
Deposited On:03 Mar 2012 07:48
Last Modified:03 Mar 2012 07:48

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