CINECA IRIS Institutional Research Information System
IRIS è la soluzione IT che facilita la raccolta e la gestione dei dati relativi alle attività e ai prodotti della ricerca. Fornisce a ricercatori, amministratori e valutatori gli strumenti per monitorare i risultati della ricerca, aumentarne la visibilità e allocare in modo efficace le risorse disponibili.
EnglishWe report the observation of single top-quark production using 3.2 fb(-1) of pp collision data with s=1.96 TeV collected by the Collider Detector at Fermilab. The significance of the observed data is 5.0 standard deviations, and the expected sensitivity for standard model production and decay is in excess of 5.9 standard deviations. Assuming m(t)=175 GeV/c(2), we measure a cross section of 2.3(-0.5)(+0.6)(stat+syst) pb, extract the CKM matrix-element value |V(tb)|=0.91 +/- 0.11(stat+syst)+/- 0.07(theory), and set the limit |V(tb)|> 0.71 at the 95% C.L.
http://hdl.handle.net/11384/6341| Titolo: | Observation of Electroweak Single Top-Quark Production RID G-1087-2011 RID E-4473-2011 |
| Autori interni: | MORELLO, MICHAEL JOSEPH |
| Data di pubblicazione: | 2009 |
| Rivista: | PHYSICAL REVIEW LETTERS |
| Abstract: | We report the observation of single top-quark production using 3.2 fb(-1) of pp collision data with s=1.96 TeV collected by the Collider Detector at Fermilab. The significance of the observed data is 5.0 standard deviations, and the expected sensitivity for standard model production and decay is in excess of 5.9 standard deviations. Assuming m(t)=175 GeV/c(2), we measure a cross section of 2.3(-0.5)(+0.6)(stat+syst) pb, extract the CKM matrix-element value |V(tb)|=0.91 +/- 0.11(stat+syst)+/- 0.07(theory), and set the limit |V(tb)|> 0.71 at the 95% C.L. |
| Handle: | http://hdl.handle.net/11384/6341 |
| Appare nelle tipologie: | 1.1 Articolo in rivista |
File in questo prodotto:
Copyright © 2017