Role of nonperturbative input in QCD resummed heavy boson $Q_T$ distribution

Details Role of nonperturbative input in QCD resummed heavy boson $Q_T$ distribution Role of nonperturbative input in QCD resummed heavy boson $Q_T$ distribution

2002-05-12

arxiv.org/abs/hep-ph/0205115v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

Latex, 4 pages, to be published in the proceedings of XXXVII Rencontres de Moriond on "QCD and High Energy Hadronic Interactio

Scientific paper

We show that role of nonperturbative input in the $b$-space QCD resummation
formalism for heavy boson transverse momentum ($Q_T$) distribution strongly
depends on collision energy $\sqrt{S}$. At collider energies, the larger
$\sqrt{S}$ is, the weaker role nonperturbative input plays, and better
predictive power the $b$-space resummation formalism has.

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