The midpoint between dipole and parton showers

Stefan Höche; Stefan Prestel

doi:10.1140/epjc/s10052-015-3684-2

The midpoint between dipole and parton showers

Stefan Höche, Stefan Prestel

SLAC National Accelerator Laboratory

Forskningsoutput: Tidskriftsbidrag › Artikel i vetenskaplig tidskrift › Peer review

Sammanfattning

We present a new parton-shower algorithm. Borrowing from the basic ideas of dipole cascades, the evolution variable is judiciously chosen as the transverse momentum in the soft limit. This leads to a very simple analytic structure of the evolution. A weighting algorithm is implemented that allows one to consistently treat potentially negative values of the splitting functions and the parton distributions. We provide two independent, publicly available implementations for the two event generators Pythia and Sherpa.

Originalspråk	engelska
Artikelnummer	461
Antal sidor	18
Tidskrift	European Physical Journal C
Volym	75
Nummer	9
DOI	https://doi.org/10.1140/epjc/s10052-015-3684-2
Status	Published - 2015 sep. 1
Externt publicerad	Ja

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The midpoint between dipole and parton showers

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