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Search for Supersymmetry with Gauge-Mediated Breaking in Diphoton Events with Missing Transverse Energy at CDF II

Aaltonen T.
•
Adelman J.
•
Álvarez González B.
altro
Zucchelli S.
2010
  • journal article

Periodico
PHYSICAL REVIEW LETTERS
Abstract
We present the results of a search for supersymmetry with gauge-mediated breaking and χ ̃01→γG ̃ in the γγ+missing transverse energy final state. In 2.6±0.2 fb−1 of pp ̄ collisions at √s=1.96 TeV recorded by the CDF II detector we observe no candidate events, consistent with a standard model background expectation of 1.4±0.4 events. We set limits on the cross section at the 95% C.L. and place the world’s best limit of 149 GeV/c2 on the χ ̃01 mass at τχ ̃01≪1 ns. We also exclude regions in the χ ̃01 mass-lifetime plane for τχ ̃01≲2 ns.
DOI
10.1103/PhysRevLett.104.011801
WOS
WOS:000273881900006
Archivio
http://hdl.handle.net/11390/862051
info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-73649120632
Diritti
closed access
Scopus© citazioni
39
Data di acquisizione
Jun 2, 2022
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Web of Science© citazioni
29
Data di acquisizione
Mar 27, 2024
Visualizzazioni
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Data di acquisizione
Apr 19, 2024
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