A Phenomenological Study of Bottom Quark Fragmentation in Top Quark Decay

Details A Phenomenological Study of Bottom Quark Fragmentation in Top Quark Decay A Phenomenological Study of Bottom Quark Fragmentation in Top Quark Decay

2009-07-29

arxiv.org/abs/0907.5158v3

Eur.Phys.J.C65:171-180,2010

Physics

High Energy Physics

High Energy Physics - Phenomenology

18 pages, 11 figures, 5 tables. Figures 4,5,10,11, Tables 2-5, Eqs. (5)-(8) revised. Main results unchanged

Scientific paper

10.1140/epjc/s10052-009-1170-4

Top-quark physics is one of the main fields of investigation at the Tevatron accelerator and, ultimately, at the LHC. We perform a phenomenological analysis of ttbar events at hadron colliders, with a focus on observables relying on bottom-quark fragmentation in top-quark decay. In particular, we investigate the B-lepton invariant-mass distribution in the dilepton channel and give an estimate of the contribution of bottom fragmentation to the Monte Carlo uncertainty on the top-quark mass reconstruction.

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