Aaltonen, T;
Adelman, J;
Gonzalez, BA;
Amerio, S;
Amidei, D;
Anastassov, A;
Annovi, A;
... Zucchelli, S; + view all
(2010)
Search for New Bottomlike Quark Pair Decays Q(Q)over-bar -> (tW +/-)((t)over-barW +/- in Same-Charge Dileption Events.
PHYS REV LETT
, 104
(9)
, Article 091801. 10.1103/PhysRevLett.104.091801.
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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.
Type: | Article |
---|---|
Title: | Search for New Bottomlike Quark Pair Decays Q(Q)over-bar -> (tW +/-)((t)over-barW +/- in Same-Charge Dileption Events |
Open access status: | An open access version is available from UCL Discovery |
DOI: | 10.1103/PhysRevLett.104.091801 |
Publisher version: | http://dx.doi.org/10.1103/PhysRevLett.104.091801 |
Language: | English |
Additional information: | © 2010 The American Physical Society |
Keywords: | VIOLATION, COLLIDER, FERMILAB |
UCL classification: | UCL 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-pp.ucl.ac.uk/id/eprint/171941 |
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