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EnglishA search for new charged massive gauge bosons, called W', is performed with the ATLAS detector at the LHC, in proton-proton collisions at a centre-of-mass energy of root s = 8 TeV, using a dataset corresponding to an integrated luminosity of 20.3 fb(-1). This analysis searches for W' bosons in the W' -> t (b) over tilde decay channel in final states with electrons or muons, using a multivariate method based on boosted decision trees. The search covers masses between 0.5 and 3.0 TeV, for right-handed or left-handed W' bosons. No significant deviation from the Standard Model expectation is observed and limits are set on the W' -> t (b) over bar cross-section times branching ratio and on the W'-boson effective couplings as a function of the W'-boson mass using the CLs procedure. For a left-handed (right-handed) W' boson, masses below 1.70 (1.92) TeV are excluded at 95% confidence level. Published by Elsevier B.V.
Search for W ' -> t(b)over-bar in the lepton plus jets final state in proton-proton collisions at a centre-of-mass energy of root s=8 TeV with the ATLAS detector / Iuppa, R; Atlas, Collaboration. - In: PHYSICS LETTERS. SECTION B. - ISSN 0370-2693. - 743(2015), pp. 235-255.
| Titolo: | Search for W ' -> t(b)over-bar in the lepton plus jets final state in proton-proton collisions at a centre-of-mass energy of root s=8 TeV with the ATLAS detector |
| Autori: | Iuppa, R; Atlas, Collaboration |
| Autori Unitn: | |
| Titolo del periodico: | PHYSICS LETTERS. SECTION B |
| Anno di pubblicazione: | 2015 |
| Codice identificativo Scopus: | 2-s2.0-85040511163 |
| Codice identificativo ISI: | WOS:000352147500038 |
| Digital Object Identifier (DOI): | http://dx.doi.org/10.1016/j.physletb.2015.02.051 |
| Handle: | http://hdl.handle.net/11572/162811 |
| Citazione: | Search for W ' -> t(b)over-bar in the lepton plus jets final state in proton-proton collisions at a centre-of-mass energy of root s=8 TeV with the ATLAS detector / Iuppa, R; Atlas, Collaboration. - In: PHYSICS LETTERS. SECTION B. - ISSN 0370-2693. - 743(2015), pp. 235-255. |
| Appare nelle tipologie: | 03.1 Articolo su rivista (Journal article) |
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|---|---|---|---|---|
| 1-s2.0-S0370269315001422-main.pdf | Versione editoriale (Publisher’s layout) |  | Open Access Visualizza/Apri |
http://hdl.handle.net/11572/162811
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