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Search for Diphoton Events with Large Missing Transverse Energy in 7 TeV Proton-Proton Collisions with the ATLAS Detector
KTH, School of Engineering Sciences (SCI), Physics, Particle and Astroparticle Physics.
KTH, School of Engineering Sciences (SCI), Physics, Particle and Astroparticle Physics.
University of Chicago.ORCID iD: 0000-0002-8913-0981
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2011 (English)In: Physical Review Letters, ISSN 0031-9007, Vol. 106, no 12, 121803- p.Article in journal (Refereed) Published
Abstract [en]

A search for diphoton events with large missing transverse energy is presented. The data were collected with the ATLAS detector in proton-proton collisions at root s = 7 TeV at the CERN Large Hadron Collider and correspond to an integrated luminosity of 3: 1 pb(-1). No excess of such events is observed above the standard model background prediction. In the context of a specific model with one universal extra dimension with compactification radius R and gravity-induced decays, values of 1/R < 729 GeV are excluded at 95% C. L., providing the most sensitive limit on this model to date.

Place, publisher, year, edition, pages
2011. Vol. 106, no 12, 121803- p.
Keyword [en]
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Astronomy, Astrophysics and Cosmology
URN: urn:nbn:se:kth:diva-32814DOI: 10.1103/PhysRevLett.106.121803ISI: 000288793900008ScopusID: 2-s2.0-79953141006OAI: diva2:412062
Swedish Research Council
QC 20110420Available from: 2011-04-20 Created: 2011-04-20 Last updated: 2012-02-14Bibliographically approved

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Grahn, Karl-JohanLund-Jensen, BengtStrandberg, JonasLafaye, Remi
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