Please use this identifier to cite or link to this item:
https://hdl.handle.net/20.500.11851/9432
Title: | 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 | Authors: | Aad, G. Abbott, B. Abdallah, J. Khalek, S. Abdel Abdinov, O. Aben, R. Adelman, J. |
Keywords: | Pair Production Model Symmetry |
Publisher: | Elsevier | Abstract: | A 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. | URI: | https://doi.org/10.1016/j.physletb.2015.02.051 https://hdl.handle.net/20.500.11851/9432 |
ISSN: | 0370-2693 1873-2445 |
Appears in Collections: | Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection |
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