“School of Particles And Accelerator”
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| Paper IPM / Particles And Accelerator / 12302 |
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| Abstract: | |
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We study the energy spectrum of the inclusive bottom-flavored mesons in top quark decay into a charged-Higgs boson and a massless bottom quark at next-to-leading order (NLO) in the two-Higgs-doublet model. To extract the results we work in the Zero-Mass Variable-Flavor-Number scheme (ZM-VFNs) using realistic nonperturbative fragmentation functions obtained through a global fit to e+e− data from CERN LEP1 and SLAC SLC on the Z-boson resonance. we study both the contribution of the bottom quark fragmentation and the gluon fragmentation to produce the bottom-flavored meson (B-Meson). we find that the contribution of the gluon leads to an appreciable reduction in decay rate at low values of the B-meson energy. It means the NLO corrections are significant.
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