“School of Particles”
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| Paper IPM / Particles / 12366 |
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| Abstract: | |
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We present our analytic results for the NLO corrections to the partial decay width tâH + b followed by bâBX for nonzero b-quark mass (m b â 0) in the Fixed-Flavor-Number scheme (FFNs) taking the H + boson to be stable. To make our predictions for the energy distribution of the outgoing bottom-flavored hadron (B-hadron) as a function of the normalized B-energy fraction x B , we apply the General-Mass Variable-Flavor-Number scheme (GM-VFNs) in the general two Higgs doublet model (2HDM). In order to describe both the b-quark and the gluon hadronizations in top decay we use fragmentation functions extracted from data from e + e â machines. We find that the most reliable prediction for the B-hadron energy spectrum is made in the GM-VFN scheme, especially when the second model in the general 2HDM is considered
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