Unpolarized dihadron fragmentation functions in nonlocal chiral quark model

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

doi:10.1016/j.cjph.2021.02.011

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

物理學系

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
卷	71
DOIs	https://doi.org/10.1016/j.cjph.2021.02.011
出版狀態	已發佈 - 2021 6月

ASJC Scopus subject areas

一般物理與天文學

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10.1016/j.cjph.2021.02.011

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@article{31f8a6c52cd246dbb9d9b744b4017600,

title = "Unpolarized dihadron fragmentation functions in nonlocal chiral quark model",

abstract = "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.",

keywords = "11.10.Hi, 12.38.Lg, 12.39.Fe, 13.87.Fh, 14.40.-n, DGLAP evolution, Flavor SU(3) symmetry breaking, Kaon and pion fragmentation, Nonlocal chiral-quark model, Quark-jet",

author = "Yang, {Dong Jing} and Jiang, {Fu Jiun} and Li, {Chian De} and Kao, {Chung Wen} and Nam, {Seung il}",

note = "Publisher Copyright: {\textcopyright} 2021",

year = "2021",

month = jun,

doi = "10.1016/j.cjph.2021.02.011",

language = "English",

volume = "71",

pages = "248--259",

journal = "Chinese Journal of Physics",

issn = "0577-9073",

publisher = "Physical Society of the Republic of China",

}

TY - JOUR

T1 - Unpolarized dihadron fragmentation functions in nonlocal chiral quark model

AU - Yang, Dong Jing

AU - Jiang, Fu Jiun

AU - Li, Chian De

AU - Kao, Chung Wen

AU - Nam, Seung il

PY - 2021/6

Y1 - 2021/6

N2 - 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.

AB - 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.

KW - 11.10.Hi

KW - 12.38.Lg

KW - 12.39.Fe

KW - 13.87.Fh

KW - 14.40.-n

KW - DGLAP evolution

KW - Flavor SU(3) symmetry breaking

KW - Kaon and pion fragmentation

KW - Nonlocal chiral-quark model

KW - Quark-jet

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UR - http://www.scopus.com/inward/citedby.url?scp=85103065199&partnerID=8YFLogxK

U2 - 10.1016/j.cjph.2021.02.011

DO - 10.1016/j.cjph.2021.02.011

M3 - Article

AN - SCOPUS:85103065199

SN - 0577-9073

VL - 71

SP - 248

EP - 259

JO - Chinese Journal of Physics

JF - Chinese Journal of Physics

ER -

Unpolarized dihadron fragmentation functions in nonlocal chiral quark model

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