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- W1566183821 abstract "I review recent progress on bottom-quark fragmentation in e + e annihilation, top-quark decay and H! bb processes. I discuss the implementation of collinear and soft resummation, and the inclusion of non-perturbative information taken from LEP and SLD data. Heavy-quark physics is currently one of the major fields of investigation in experimental and theoretical particle physics. In order to investigate heavy-quark phenomenology, fixed-order calculations are reliable as long as one considers inclusive observables, such as total cross sections. For less inclusive quantities, one needs to resum large contributions, which correspond to collinear or soft parton radiation. In this talk I will investigate bottom-quark production in e + e → bb processes, top-quark decay t → bW, and Standard Model Higgs decay H → b¯. In particular, I wish to study the energy distribution of b quarks and b-flavoured hadrons in such processes. The results will be expressed in terms of the b normalized energy fraction xb, which is given, e.g. in Higgs decay H → b¯(g), by: 2" @default.
- W1566183821 created "2016-06-24" @default.
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- W1566183821 date "2005-02-02" @default.
- W1566183821 modified "2023-09-27" @default.
- W1566183821 title "Progress in bottom-quark fragmentation 1" @default.
- W1566183821 hasPublicationYear "2005" @default.
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