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Subtraction method for NLO corrections in Monte-Carlo event generators for Z boson production

Y. Chen·J. Collins·N. Tkachuk
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Abstract

We use a subtraction method to construct NLO corrections in a Monte-Carlo event generator for the case of vector boson production in Drell-Yan processes. Our calculations are carried out both for the Bengtsson-Sjostrand-van Zijl (BSZ) algorithm and for a modified algorithm proposed by Collins. In the case of the modified algorithm, we compute the relation between the parton distribution functions and the ones in the MSbar scheme; this relation is the same as the corresponding relation for DIS. For the BSZ algorithm, we show that there is no simple relation.

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Y. Chen, J. Collins, N. Tkachuk. 2001-06-15. Subtraction method for NLO corrections in Monte-Carlo event generators for Z boson production. https://doi.org/10.1088/1126-6708%2F2001%2F06%2F015

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