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Search for Diphoton Events with Large Missing Transverse Energy in 6.3 fb(-1) of p(p)over-bar Collisions at root s=1.96 TeV
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2010 (English)In: Physical Review Letters, ISSN 0031-9007, E-ISSN 1079-7114, Vol. 105, no 22, 221802- p.Article in journal (Refereed) Published
Abstract [en]

We report a search for diphoton events with large missing transverse energy produced in p (p) over bar collisions at root s = 1.96 TeV. The data were collected with the D0 detector at the Fermilab Tevatron Collider and correspond to 6.3 fb(-1) of integrated luminosity. The observed missing transverse energy distribution is well described by the standard model prediction, and 95% C.L. limits are derived on two realizations of theories beyond the standard model. In a gauge-mediated supersymmetry breaking scenario, the breaking scale Lambda is excluded for Lambda < 124 TeV. In a universal extra dimension model including gravitational decays, the compactification radius R-c is excluded for R-c(-1) < 477 GeV.

Place, publisher, year, edition, pages
2010. Vol. 105, no 22, 221802- p.
National Category
Physical Sciences
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URN: urn:nbn:se:uu:diva-147772DOI: 10.1103/PhysRevLett.105.221802ISI: 000286731000004OAI: oai:DiVA.org:uu-147772DiVA: diva2:400989
Available from: 2011-03-01 Created: 2011-02-28 Last updated: 2017-12-11Bibliographically approved

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