Measurement of the W-boson helicity in top-quark decays from tt̄ production in lepton+jets events in pp collisions at√s = 7 TeV Th

Chatrchyan, S.; Khachatryan, V.; Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Bergauer, T.; Dragicevic, M.; Erö, J.; Fabjan, C.; Friedl, M.; Frühwirth, R.; Ghete, V. M.; Hörmann, N.; Hrubec, J.; Jeitler, M.; Kiesenhofer, W.; Knünz, V.; Krammer, M.; Krätschmer, I.; Liko, D.; Mikulec, I.; Rabady, D.; Rahbaran, B.; Rohringer, C.; Rohringer, H.; Schöfbeck, R.; Strauss, J.; Taurok, A.; Treberer-Treberspurg, W.; Waltenberger, W.; Wulz, C. E.; Mossolov, V.; Shumeiko, N.; Suarez Gonzalez, J.; Alderweireldt, S.; Bansal, M.; Bansal, S.; Cornelis, T.; De Wolf, E. A.; Janssen, X.; Knutsson, A.; Luyckx, S.; Mucibello, L.; Ochesanu, S.; Roland, B.; Rougny, R.; Staykova, Z.; Van Haevermaet, H.; Van Mechelen, P.; Van Remortel, N.; Van Spilbeeck, A.; Blekman, F.; Blyweert, S.; D'Hondt, J.; Kalogeropoulos, A.; Keaveney, J.; Maes, M.; Olbrechts, A.; Tavernier, S.; Van Doninck, W.; Van Mulders, P.; Van Onsem, G. P.; Villella, I.; Caillol, C.; Clerbaux, B.; De Lentdecker, G.; Favart, L.; Gay, A. P.R.; Hreus, T.; Léonard, A.; Marage, P. E.; Mohammadi, A.; Perniè, L.; Reis, T.; Seva, T.; Thomas, L.; Vander Velde, C.; Vanlaer, P.; Wang, J.; Adler, V.; Beernaert, K.; Benucci, L.; Cimmino, A.; Costantini, S.; Dildick, S.; Garcia, G.; Klein, B.; Lellouch, J.; Marinov, A.; Mccartin, J.; Ocampo Rios, A. A.; Ryckbosch, D.; Sigamani, M.; Strobbe, N.; Thyssen, F.; Tytgat, M.; Walsh, S.; Yazgan, E.; Zaganidis, N.

Measurement of the W-boson helicity in top-quark decays from tt̄ production in lepton+jets events in pp collisions at√s = 7 TeV Th

dc.contributor.author	Chatrchyan, S.
dc.contributor.author	Khachatryan, V.
dc.contributor.author	Sirunyan, A. M.
dc.contributor.author	Tumasyan, A.
dc.contributor.author	Adam, W.
dc.contributor.author	Bergauer, T.
dc.contributor.author	Dragicevic, M.
dc.contributor.author	Erö, J.
dc.contributor.author	Fabjan, C.
dc.contributor.author	Friedl, M.
dc.contributor.author	Frühwirth, R.
dc.contributor.author	Ghete, V. M.
dc.contributor.author	Hörmann, N.
dc.contributor.author	Hrubec, J.
dc.contributor.author	Jeitler, M.
dc.contributor.author	Kiesenhofer, W.
dc.contributor.author	Knünz, V.
dc.contributor.author	Krammer, M.
dc.contributor.author	Krätschmer, I.
dc.contributor.author	Liko, D.
dc.contributor.author	Mikulec, I.
dc.contributor.author	Rabady, D.
dc.contributor.author	Rahbaran, B.
dc.contributor.author	Rohringer, C.
dc.contributor.author	Rohringer, H.
dc.contributor.author	Schöfbeck, R.
dc.contributor.author	Strauss, J.
dc.contributor.author	Taurok, A.
dc.contributor.author	Treberer-Treberspurg, W.
dc.contributor.author	Waltenberger, W.
dc.contributor.author	Wulz, C. E.
dc.contributor.author	Mossolov, V.
dc.contributor.author	Shumeiko, N.
dc.contributor.author	Suarez Gonzalez, J.
dc.contributor.author	Alderweireldt, S.
dc.contributor.author	Bansal, M.
dc.contributor.author	Bansal, S.
dc.contributor.author	Cornelis, T.
dc.contributor.author	De Wolf, E. A.
dc.contributor.author	Janssen, X.
dc.contributor.author	Knutsson, A.
dc.contributor.author	Luyckx, S.
dc.contributor.author	Mucibello, L.
dc.contributor.author	Ochesanu, S.
dc.contributor.author	Roland, B.
dc.contributor.author	Rougny, R.
dc.contributor.author	Staykova, Z.
dc.contributor.author	Van Haevermaet, H.
dc.contributor.author	Van Mechelen, P.
dc.contributor.author	Van Remortel, N.
dc.contributor.author	Van Spilbeeck, A.
dc.contributor.author	Blekman, F.
dc.contributor.author	Blyweert, S.
dc.contributor.author	D'Hondt, J.
dc.contributor.author	Kalogeropoulos, A.
dc.contributor.author	Keaveney, J.
dc.contributor.author	Maes, M.
dc.contributor.author	Olbrechts, A.
dc.contributor.author	Tavernier, S.
dc.contributor.author	Van Doninck, W.
dc.contributor.author	Van Mulders, P.
dc.contributor.author	Van Onsem, G. P.
dc.contributor.author	Villella, I.
dc.contributor.author	Caillol, C.
dc.contributor.author	Clerbaux, B.
dc.contributor.author	De Lentdecker, G.
dc.contributor.author	Favart, L.
dc.contributor.author	Gay, A. P.R.
dc.contributor.author	Hreus, T.
dc.contributor.author	Léonard, A.
dc.contributor.author	Marage, P. E.
dc.contributor.author	Mohammadi, A.
dc.contributor.author	Perniè, L.
dc.contributor.author	Reis, T.
dc.contributor.author	Seva, T.
dc.contributor.author	Thomas, L.
dc.contributor.author	Vander Velde, C.
dc.contributor.author	Vanlaer, P.
dc.contributor.author	Wang, J.
dc.contributor.author	Adler, V.
dc.contributor.author	Beernaert, K.
dc.contributor.author	Benucci, L.
dc.contributor.author	Cimmino, A.
dc.contributor.author	Costantini, S.
dc.contributor.author	Dildick, S.
dc.contributor.author	Garcia, G.
dc.contributor.author	Klein, B.
dc.contributor.author	Lellouch, J.
dc.contributor.author	Marinov, A.
dc.contributor.author	Mccartin, J.
dc.contributor.author	Ocampo Rios, A. A.
dc.contributor.author	Ryckbosch, D.
dc.contributor.author	Sigamani, M.
dc.contributor.author	Strobbe, N.
dc.contributor.author	Thyssen, F.
dc.contributor.author	Tytgat, M.
dc.contributor.author	Walsh, S.
dc.contributor.author	Yazgan, E.
dc.contributor.author	Zaganidis, N.
dc.date.accessioned	2022-03-27T06:40:10Z
dc.date.available	2022-03-27T06:40:10Z
dc.date.issued	2013-10-01
dc.description.abstract	The W-boson helicity fractions in top-quark decays are measured with tt̄ events in the lepton+jets final state, using proton-proton collisions at a centre-of-mass energy of 7TeV, collected in 2011 with the CMS detector at the LHC. The data sample corresponds to an integrated luminosity of 5.0 fb -1. The measured fractions of longitudinal, left-, and right-handed helicity are F0 = 0:682±0:030 (stat.)± 0:033 (syst.), F= 0:310 ±0:022 (stat.)± 0:022 (syst.), and F= 0:008± 0:012 (stat.) ± 0:014 (syst.), consistent with the standard model predictions. The measured fractions are used to probe the existence of anomalous Wtb couplings. Exclusion limits on the real components of the anomalous couplings gL; gR are also derived.
dc.identifier.citation	Journal of High Energy Physics. v.2013(10)
dc.identifier.issn	11266708
dc.identifier.uri	10.1007/JHEP10(2013)167
dc.identifier.uri	https://link.springer.com/10.1007/JHEP10(2013)167
dc.identifier.uri	https://dspace.uohyd.ac.in/handle/1/9516
dc.subject	Hadron-Hadron Scattering
dc.subject	Top physics
dc.title	Measurement of the W-boson helicity in top-quark decays from tt̄ production in lepton+jets events in pp collisions at√s = 7 TeV Th
dc.type	Journal. Article
dspace.entity.type

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