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Search for supersymmetry with gauge-mediated breaking in diphoton events at D0

Abazov, VM; Abbott, B; Abolins, M; Acharya, BS; Adams, DL; Adams, M; Adams, T; ... D0 Collaboration, ; + view all (2005) Search for supersymmetry with gauge-mediated breaking in diphoton events at D0. PHYS REV LETT , 94 (4) , Article 041801. 10.1103/PhysRevLett.94.041801. Green open access

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Abstract

We report the results of a search for supersymmetry (SUSY) with gauge-mediated breaking in the missing transverse energy distribution of inclusive diphoton events using 263 pb(-1) of data collected by the D0 experiment at the Fermilab Tevatron Collider in 2002-2004. No excess is observed above the background expected from standard model processes, and lower limits on the masses of the lightest neutralino and chargino of about 108 and 195 GeV, respectively, are set at the 95% confidence level. These are the most stringent limits to date for models with gauge-mediated SUSY breaking with a short-lived neutralino as the next-to-lightest SUSY particle.

Type: Article
Title: Search for supersymmetry with gauge-mediated breaking in diphoton events at D0
Open access status: An open access version is available from UCL Discovery
DOI: 10.1103/PhysRevLett.94.041801
Publisher version: http://dx.doi.org/10.1103/PhysRevLett.94.041801
Language: English
Additional information: © 2005 The American Physical Society
Keywords: LIGHT GRAVITINO, MODELS
UCL classification: UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Life Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Life Sciences > Div of Biosciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Life Sciences > Div of Biosciences > Cell and Developmental Biology
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > Dept of Physics and Astronomy
URI: https://discovery.ucl.ac.uk/id/eprint/1374237
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