%0 Journal Article
%T Search for W ' -> tb -> qqbb decays in pp collisions at root s=8 TeV with the ATLAS detector
%A ATLAS Collaboration (Aad, G. et al
%A Cabrera Urban, S.
%A Castillo Gimenez, V.
%A Costa, M. J.
%A Ferrer, A.
%A Fiorini, L.
%A Fuster, J.
%A Garcia, C.
%A Garcia Navarro, J. E.
%A Gonzalez de la Hoz, S.
%A Hernandez Jimenez, Y.
%A Higon-Rodriguez, E.
%A Irles Quiles, A.
%A Kaci, M.
%A King, M.
%A Lacasta, C.
%A Lacuesta, V. R.
%A March, L.
%A Marti-Garcia, S.
%A Mitsou, V. A.
%A Moles-Valls, R.
%A Oliver Garcia, E.
%A Pedraza Lopez, S.
%A Perez Garcia-Estañ, M. T.
%A Romero Adam, E.
%A Ros, E.
%A Salt, J.
%A Sanchez Martinez, V.
%A Soldevila, U.
%A Sanchez, J.
%A Torro Pastor, E.
%A Valero, A.
%A Valladolid Gallego, E.
%A Valls Ferrer, J. A.
%A Vos, M.
%J European Physical Journal C
%D 2015
%V 75
%N 4
%I Springer
%@ 1434-6044
%G English
%F ATLASCollaborationAad_etal2015
%O WOS:000355671700005
%O exported from refbase (https://references.ific.uv.es/refbase/show.php?record=2280), last updated on Thu, 09 Jul 2015 16:51:42 +0000
%X A search for a massive W' gauge boson decaying to a top quark and a bottom quark is performed with the ATLAS detector in pp collisions at the LHC. The datasetwas taken at a centre-of-mass energy of root s = 8 TeV and corresponds to 20.3 fb(-1) of integrated luminosity. This analysis is done in the hadronic decay mode of the top quark, where novel jet substructure techniques are used to identify jets from high-momentum top quarks. This allows for a search for high-mass W' bosons in the range 1.5-3.0 TeV. b-tagging is used to identify jets originating from b-quarks. The data are consistent with Standard Model background-only expectations, and upper limits at 95% confidence level are set on the W' -> tb cross section times branching ratio ranging from 0.16 pb to 0.33 pb for left-handed W' bosons, and ranging from 0.10 pb to 0.21 pb for W' bosons with purely righthanded couplings. Upper limits at 95% confidence level are set on the W'-boson coupling to tb as a function of the W' mass using an effective field theory approach, which is independent of details of particular models predicting a W' boson.
%R 10.1140/epjc/s10052-015-3372-2
%U http://arxiv.org/abs/1408.0886
%U https://doi.org/10.1140/epjc/s10052-015-3372-2
%P 165-23pp