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Towards a fully massive five-flavor scheme

Krauss, Frank; Napoletano, Davide

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Davide Napoletano


In this paper, we explore first necessary steps to construct a fully massive version of a variable-flavor number scheme. In particular we focus, as an example, on an extension of the five-flavor scheme, where instead of neglecting explicit initial state quark mass effects, we retain all massive dependence, while keeping the resummation properties of the massless five-flavor scheme. We name this scheme the five-flavor-massive scheme. Apart from consistently modified parton distribution functions, we provide all the ingredients that are needed to implement this scheme at MC@NLO accuracy, in a Monte Carlo event generator. As proof of concept we implement this scheme in sherpa and perform a comparison of the new scheme with traditional ones for the simple process of scalar particle production in bottom-quark fusion.


Krauss, F., & Napoletano, D. (2018). Towards a fully massive five-flavor scheme. Physical Review D, 98(9), Article 096002.

Journal Article Type Article
Online Publication Date Nov 5, 2018
Publication Date Nov 1, 2018
Deposit Date Nov 6, 2018
Publicly Available Date Nov 6, 2018
Journal Physical Review D
Print ISSN 2470-0010
Electronic ISSN 2470-0029
Publisher American Physical Society
Peer Reviewed Peer Reviewed
Volume 98
Issue 9
Article Number 096002


Published Journal Article (954 Kb)

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Copyright Statement
© Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI. Funded by SCOAP3.

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