Szczegóły publikacji
Opis bibliograficzny
Measurement of the top quark pair production cross-section with ATLAS in the single lepton channel / G. Aad, [et al.], T. BOŁD, [et al.], W. DĄBROWSKI, [et al.], M. DWUŻNIK, [et al.], I. GRABOWSKA-BOŁD, [et al.], K. JELEŃ, [et al.], D. KISIELEWSKA, [et al.], S. KOPERNY, [et al.], T. Z. KOWALSKI, [et al.], B. MINDUR, [et al.] // Physics Letters. B, Nuclear Elementary Particle and High-Energy Physics ; ISSN 0370-2693. — 2012 — vol. 711 iss. 3–4, s. 244–263. — Bibliogr. s. 251, Abstr. — ATLAS Collaboration. — Publikacja dostępna online od: 2012-04-02
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Dane bibliometryczne
| ID BaDAP | 66083 |
|---|---|
| Data dodania do BaDAP | 2012-05-31 |
| Tekst źródłowy | URL |
| DOI | 10.1016/j.physletb.2012.03.083 |
| Rok publikacji | 2012 |
| Typ publikacji | artykuł w czasopiśmie |
| Otwarty dostęp | |
| Creative Commons | |
| Czasopismo/seria | Physics Letters, B |
Abstract
A measurement of the production cross-section for top quark pairs (tt-) in pp collisions at s=7TeV is presented using data recorded with the ATLAS detector at the Large Hadron Collider. Events are selected in the single lepton topology by requiring an electron or muon, large missing transverse momentum and at least three jets. With a data sample of 35 pb -1 , two different multivariate methods, one of which uses b-quark jet identification while the other does not, use kinematic variables to obtain cross-section measurements of σtt-=187±11(stat.)-17+18(syst.)±6(lumi.)pb and σtt-=173±17(stat.)-16+18(syst.)±6(lumi.)pb respectively. The two measurements are in agreement with each other and with QCD calculations. The first measurement has a better a priori sensitivity and constitutes the main result of this Letter.