期刊
PHYSICS LETTERS B
卷 659, 期 5, 页码 856-863出版社
ELSEVIER
DOI: 10.1016/j.physletb.2007.12.006
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资金
- Science and Technology Facilities Council [PP/D004284/1, PP/E000487/1] Funding Source: researchfish
- STFC [PP/E000487/1] Funding Source: UKRI
We report results of a search for supersymmetry (SUSY) with gauge-mediated symmetry breaking in di-photon events collected by the DO experiment at the Fermilab Tevatron Collider in 2002-2006. In 1.1 fb(-1) of data, we find no significant excess beyond the background expected from the standard model and set the most stringent lower limits to date for a standard benchmark model on the lightest neutralino and chargino masses of 125 GeV and 229 GeV, respectively, at 95% confidence. (C) 2007 Elsevier B.V. All rights reserved.
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