W Production in an Improved Parton-Shower Approach

Details W Production in an Improved Parton-Shower Approach W Production in an Improved Parton-Shower Approach

1998-12-21

arxiv.org/abs/hep-ph/9812455v1

Phys.Lett. B449 (1999) 313-320

Physics

High Energy Physics

High Energy Physics - Phenomenology

1+9 pages, 5 eps-figures, submitted to Phys. Lett. B

Scientific paper

10.1016/S0370-2693(99)00068-4

In the description of the production properties of gauge bosons (W+/W-, Z0, gamma) at colliders, the lowest-order graph normally is not sufficient. The contributions of higher orders can be introduced either by an explicit order-by-order matrix-element calculation, by a resummation procedure or by a parton-shower algorithm. Each approach has its advantages and disadvantages. We here introduce a method that allows the parton-shower algorithm to be augmented by higher-order information, thereby offering an economical route to a description of all event properties. It is tested by comparing with the pT spectrum of W bosons at the Tevatron.

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