Fragmentation functions at next-to-next-to-leading order accuracy

Daniele P. Anderle; Marco Stratmann; Felix Ringer

doi:10.1103/PhysRevD.92.114017

Fragmentation functions at next-to-next-to-leading order accuracy

Daniele P. Anderle
, Marco Stratmann
, Felix Ringer

Physics and Astronomy

University of Tübingen
Los Alamos National Laboratory Theoretical Division

Research output: Contribution to journal › Article › peer-review

63 Scopus citations

Abstract

We present a first analysis of parton-to-pion fragmentation functions at next-to-next-to-leading order accuracy in QCD based on single-inclusive pion production in electron-positron annihilation. Special emphasis is put on the technical details necessary to perform the QCD scale evolution and cross section calculation in Mellin moment space. We demonstrate how the description of the data and the theoretical uncertainties are improved when next-to-next-to-leading order QCD corrections are included.

Original language	English
Article number	114017
Journal	Physical Review D - Particles, Fields, Gravitation and Cosmology
Volume	92
Issue number	11
DOIs	https://doi.org/10.1103/PhysRevD.92.114017
State	Published - Dec 14 2015

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10.1103/PhysRevD.92.114017

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abstract = "We present a first analysis of parton-to-pion fragmentation functions at next-to-next-to-leading order accuracy in QCD based on single-inclusive pion production in electron-positron annihilation. Special emphasis is put on the technical details necessary to perform the QCD scale evolution and cross section calculation in Mellin moment space. We demonstrate how the description of the data and the theoretical uncertainties are improved when next-to-next-to-leading order QCD corrections are included.",

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Fragmentation functions at next-to-next-to-leading order accuracy

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