Top polarization as a probe of new physics

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M Godbole , R , D Rindani , S , Rao , K & K Singh , R 2010 , ' Top polarization as a probe of new physics ' , AIP Conference Proceedings , vol. 1200 , no. 1 , pp. 682-685 . https://doi.org/10.1063/1.3327703

Title: Top polarization as a probe of new physics
Author: M Godbole, Rohini; D Rindani, Saurabh; Rao, Kumar; K Singh, Ritesh
Contributor: University of Helsinki, Helsinki Institute of Physics
Date: 2010
Language: eng
Number of pages: 4
Belongs to series: AIP Conference Proceedings
ISSN: 0094-243X
URI: http://hdl.handle.net/10138/24239
Abstract: We investigate the effects of new physics scenarios containing a high mass vector resonance on top pair production at the LHC, using the polarization of the produced top. In particular we use kinematic distributions of the secondary lepton coming from top decay, which depends on top polarization, as it has been shown that the angular distribution of the decay lepton is insensitive to the anomalous tbW vertex and hence is a pure probe of new physics in top quark production. Spin sensitive variables involving the decay lepton are used to probe top polarization. Some sensitivity is found for the new couplings of the top.
Subject: hep-ph
114 Physical sciences
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