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Search for New Bottomlike Quark Pair Decays Q(Q)over-bar -> (tW +/-)((t)over-barW +/- in Same-Charge Dilepton Events

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

Periodico
PHYSICAL REVIEW LETTERS
Abstract
We report the most restrictive direct limits on masses of fourth- generation down- type quarks b0, and quarklike composite fermions (B or T5= 3), decaying promptly to tW -/+. We search for a significant excess of events with two same- charge leptons (e, mu), several hadronic jets, and missing transverse energy. An analysis of data from pp collisions with an integrated luminosity of 2: 7 fb = 1 collected with the CDF II detector at Fermilab yields no evidence for such a signal, setting mass limits mb0, mB > 338 GeV= c2 and mT5= 3 > 365 GeV= c2 at 95% confidence level.
DOI
10.1103/PhysRevLett.104.091801
WOS
WOS:000275252500010
Archivio
http://hdl.handle.net/11390/860146
info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-77749338848
Diritti
closed access
Web of Science© citazioni
69
Data di acquisizione
Mar 28, 2024
Visualizzazioni
1
Data di acquisizione
Apr 19, 2024
Vedi dettagli
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