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Search for Diphoton Events with Large Missing Transverse Energy in 6.3 fb(−1) of pp-bar Collisions at s√=1.96 TeV
Baringer, Philip S. Bean, Alice Clutter, Justace Randall McGivern, Carrie Lynne Sekaric, Jadranka Wilson, Graham Wallace Abazov, V. M. Abbott, B. Abolins, M. Acharya, B. S.
Baringer, Philip S.
Bean, Alice
Clutter, Justace Randall
McGivern, Carrie Lynne
Sekaric, Jadranka
Wilson, Graham Wallace
Abazov, V. M.
Abbott, B.
Abolins, M.
Acharya, B. S.
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Abstract
We report a search for diphoton events with large missing transverse energy produced in pp-bar collisions at 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 Λ is excluded for Λ<124 TeV. In a universal extra dimension model including gravitational decays, the compactification radius R(c) is excluded for R−1(c)<477 GeV.
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This is the publisher's version, also available electronically from http://journals.aps.org/prl/abstract/10.1103/PhysRevLett.105.221802.
Date
2010-11-24
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American Physical Society
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V. M. Abazov et al. (D0 Collaboration). (2010). "Search for Diphoton Events with Large Missing Transverse Energy in 6.3 fb(−1) of pp-bar Collisions at s√=1.96 TeV." Physical Review Letters, 105(22):221802. http://dx.doi.org/10.1103/PhysRevLett.105.221802.