Title
Search for supersymmetry with gauge-mediated breaking in diphoton events with missing transverse energy at CDF II Search for supersymmetry with gauge-mediated breaking in diphoton events with missing transverse energy at CDF II
Author
Faculty/Department
Faculty of Sciences. Physics
Publication type
article
Publication
New York, N.Y. ,
Subject
Physics
Source (journal)
Physical review letters. - New York, N.Y.
Volume/pages
104(2010) :1 , p. 011801,1-011801,8
ISSN
0031-9007
ISI
000273881900006
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
We present the results of a search for supersymmetry with gauge-mediated breaking and χ10→γG in the γγ+missing transverse energy final state. In 2.6±0.2  fb-1 of pp̅ collisions at √s=1.96  TeV recorded by the CDF II detector we observe no candidate events, consistent with a standard model background expectation of 1.4±0.4 events. We set limits on the cross section at the 95% C.L. and place the worlds best limit of 149  GeV/c2 on the χ10 mass at τχ10≪1  ns. We also exclude regions in the χ10 mass-lifetime plane for τχ10≲2  ns.
Full text (open access)
https://repository.uantwerpen.be/docman/irua/4374b4/218598fe.pdf
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