Search for New Physics with a Dijet Plus Missing ET Signature in pp̅ Collisions at √s=1.96  TeV

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Aaltonen , T , Mehtala , P , Orava , R , Saarikko , H , Osterberg , K & CDF Collaboration 2010 , ' Search for New Physics with a Dijet Plus Missing ET Signature in pp̅ Collisions at √s=1.96  TeV ' , Physical Review Letters , vol. 105 , no. 13 , pp. 131801 . https://doi.org/10.1103/PhysRevLett.105.131801

Title: Search for New Physics with a Dijet Plus Missing ET Signature in pp̅ Collisions at √s=1.96  TeV
Author: Aaltonen, T.; Mehtala, P.; Orava, R.; Saarikko, H.; Osterberg, K.; CDF Collaboration
Contributor: University of Helsinki, Department of Physics
University of Helsinki, Helsinki Institute of Physics
University of Helsinki, Department of Physics
University of Helsinki, Department of Physics
University of Helsinki, Department of Physics
Date: 2010
Language: eng
Number of pages: 8
Belongs to series: Physical Review Letters
ISSN: 0031-9007
URI: http://hdl.handle.net/10138/24430
Abstract: We present results of a signature-based search for new physics using a dijet plus missing transverse energy data sample collected in 2 fb-1 of p-pbar collisions at sqrt(s) = 1.96 TeV with the CDF II detector at the Fermilab Tevatron. We observe no significant event excess with respect to the standard model prediction and extract a 95% C.L. upper limit on the cross section times acceptance for a potential contribution from a non-standard model process. Based on this limit the mass of a first or second generation scalar leptoquark is constrained to be above 187 GeV/c^2.
Subject: 114 Physical sciences
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