Unpolarized dihadron fragmentation functions in nonlocal chiral quark model

Dong Jing Yang, Fu Jiun Jiang, Chian De Li, Chung Wen Kao*, Seung il Nam

*此作品的通信作者

研究成果: 雜誌貢獻期刊論文同行評審

摘要

We have calculated the unpolarized dihadron fragmentation functions (uDiFFs) of pions and kaons using the nonlocal chiral-quark model (NLChQM) and evolved our results to the transferred momentum scale Q2=4GeV2 by the QCD evolution equations. These uDiFFs have also been computed in the Nambu–Jona-Lasinio-jet (NJL-jet) model for the sake of comparison. We find that there is substantial difference between the results of these two models. Furthermore, the DiFFs of u→π+π and g→π+π at Q2=109GeV2 in these two models are presented in comparison with the parametrizations fitted by the Monte Carlo event generator JETSET.

原文英語
頁(從 - 到)248-259
頁數12
期刊Chinese Journal of Physics
71
DOIs
出版狀態已發佈 - 2021 六月

ASJC Scopus subject areas

  • 物理與天文學 (全部)

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