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EnglishWe present a search for t (t) over bar events with a tau lepton in the final state. The data sample corresponds to an integrated luminosity of 194 pb(-1) collected with the CDF Pi detector from pp collisions at a center of mass energy of 1.96 TeV. We observe two events with an expected signal of 1.0 +/- 0.2 events and a background of 1.3 +/- 0.3 events. We determine a 95% confidence level upper limit on r(tau), the ratio of the measured rate of t -> tau vq to the expectation, of 5.2. (c) 2006 Elsevier B.V. All rights reserved.
http://hdl.handle.net/11384/6307| Titolo: | A search for t -> tau nu q in t(t)over-bar production RID G-1087-2011 RID E-4473-2011 |
| Autori interni: | MORELLO, MICHAEL JOSEPH |
| Data di pubblicazione: | 2006 |
| Rivista: | PHYSICS LETTERS. SECTION B |
| Abstract: | We present a search for t (t) over bar events with a tau lepton in the final state. The data sample corresponds to an integrated luminosity of 194 pb(-1) collected with the CDF Pi detector from pp collisions at a center of mass energy of 1.96 TeV. We observe two events with an expected signal of 1.0 +/- 0.2 events and a background of 1.3 +/- 0.3 events. We determine a 95% confidence level upper limit on r(tau), the ratio of the measured rate of t -> tau vq to the expectation, of 5.2. (c) 2006 Elsevier B.V. All rights reserved. |
| Handle: | http://hdl.handle.net/11384/6307 |
| Appare nelle tipologie: | 1.1 Articolo in rivista |
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