Search for anomalous production of diphoton events with missing transverse energy at CDF and limits on gauge-mediated supersymmetry-breaking models

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doi:10.1103/physrevd.71.031104

Search for anomalous production of diphoton events with missing transverse energy at CDF and limits on gauge-mediated supersymmetry-breaking models

Atıf İçin Kopyala

Acosta D., Adelman J., Affolder T., Akimoto T., Albrow M., Ambrose D., ...Daha Fazla

PHYSICAL REVIEW D, cilt.71, sa.3, 2005 (SCI-Expanded)

Yayın Türü: Makale / Tam Makale
Cilt numarası: 71 Sayı: 3
Basım Tarihi: 2005
Doi Numarası: 10.1103/physrevd.71.031104
Dergi Adı: PHYSICAL REVIEW D
Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus
İstanbul Üniversitesi Adresli: Hayır

Özet

We present the results of a search for anomalous production of diphoton events with large missing transverse energy using the Collider Detector at Fermilab. In 202 pb(-1) of p (p) over bar collisions at s=1.96 TeV we observe no candidate events, with an expected standard model background of 0.27+/-0.07(stat)+/-0.10(syst) events. The results exclude a lightest chargino of mass less than 167 GeV/c(2), and lightest neutralino of mass less than 93 GeV/c(2) at 95% C.L. in a gauge-mediated supersymmetry-breaking model with a light gravitino.