Determination of the fragmentation functions from an NLO QCD analysis of the HERMES data on pion multiplicities

Determination of the fragmentation functions from an NLO QCD analysis of the HERMES data on pion multiplicities

An NLO QCD analysis of the final HERMES data on pion multiplicities is presented and a new set of pion fragmentation functions is extracted from the best fit to the data. We have studied the so-called [x,z] and [Q super(2)z presentations of their data, as given by HERMES, which, in principle, should...

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Veröffentlicht in:Physical review. D 2016-04, Vol.93 (7), Article 074026
Hauptverfasser: Leader, Elliot, Sidorov, Alexander V., Stamenov, Dimiter B.
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Cosmology
Extraction
Fragmentation
Gravitation
Pions
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container_title Physical review. D
container_volume 93
creator Leader, Elliot
Sidorov, Alexander V.
Stamenov, Dimiter B.
description An NLO QCD analysis of the final HERMES data on pion multiplicities is presented and a new set of pion fragmentation functions is extracted from the best fit to the data. We have studied the so-called [x,z] and [Q super(2)z presentations of their data, as given by HERMES, which, in principle, should simply be two different ways of presenting the experimental data. We have based our extraction on an excellent fit to the [Q super(2)z presentation of the data.
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subjects Cosmology
Extraction
Fragmentation
Gravitation
Pions
title Determination of the fragmentation functions from an NLO QCD analysis of the HERMES data on pion multiplicities
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