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Distinguishing b-quark and gluon jets with a tagged b hadron.

Gonçalves, Dorival and Krauss, Frank and Linten, Robin (2016) 'Distinguishing b-quark and gluon jets with a tagged b hadron.', Physical review D., 93 (5). 053013.

Abstract

Based on the knowledge of the QCD radiation pattern, observables to distinguish jets containing one and two b hadrons are discussed. A simple method is used to combine pairs of the most sensitive observables—girth, number of charged tracks and the energy or momentum fraction of the leading b hadron with respect to the jet—into one discriminator. Their efficiencies, on the particle level, are estimated and found to improve the performance and the robustness of the observables in different momentum slices.

Item Type:Article
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Status:Peer-reviewed
Publisher Web site:http://dx.doi.org/10.1103/PhysRevD.93.053013
Publisher statement:Reprinted with permission from the American Physical Society: Physical Review D 93, 053013 © (2016) by the American Physical Society. Readers may view, browse, and/or download material for temporary copying purposes only, provided these uses are for noncommercial personal purposes. Except as provided by law, this material may not be further reproduced, distributed, transmitted, modified, adapted, performed, displayed, published, or sold in whole or part, without prior written permission from the American Physical Society.
Date accepted:No date available
Date deposited:08 April 2016
Date of first online publication:18 March 2016
Date first made open access:08 April 2016

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