26-30 July 2021
Zoom
Europe/Berlin timezone

Simultaneous extraction of fragmentation functions of light charged hadrons with mass corrections

29 Jul 2021, 16:45
15m
Zoom

Zoom

Parallel session talk QCD and Hadronic Physics T06: QCD and Hadronic Physics

Speaker

Maryam Soleymaninia (IPM)

Description

We describe a simultaneous determination of unpolarized FFs of charged pions, charged kaons, and protons/antiprotons from single-inclusive hadron production in electron-positron annihilation (SIA) data at next-to-leading order and next-to-next-to-leading order accuracy in perturbative QCD. We include data for identified light charged hadrons as well as for unidentified light charged hadrons, and show that these data have a significant impact on both size and uncertainties of the fragmentation functions. We examine the inclusion of higher-order perturbative QCD corrections and finite-mass effects. We compare the new SGKS20 FFs with other recent FFs available in the literature and find in general reasonable agreement, but also important differences for some parton species. We show that theoretical predictions obtained from our new FFs are in very good agreement with the analyzed SIA data, especially at small values of z.

Email maryam_soleymaninia@ipm.ir
Collaboration / Activity SGKS20
First author Maryam Soleymaninia

Primary authors

Maryam Soleymaninia (IPM) Dr Hamzeh Khanpour (IPM) Dr Muhammad Goharipour (IPM) Hubert Spiesberger (Johannes Gutenberg- Universität Mainz)

Presentation Materials