ITP OpenIR  > 理论物理所2017年知识产出
gamma gamma -> M+ M-(M = pi, K) processes with twist-3 corrections in QCD
Wang, C; Zhou, MZ; Chen, H; Zhou, MZ (reprint author), Southwest Univ, Sch Phys Sci & Technol, Chongqing 400715, Peoples R China.
2017
发表期刊EUROPEAN PHYSICAL JOURNAL C
卷号77期号:4页码:219
文章类型Article
摘要We study the gamma gamma -> M+ M- (M = pi, K) processes with the contributions from the two-particle twist-2 and twist-3 distribution amplitudes of pion and kaon mesons on BHL prescription in the standard hard-scattering approach. The results show that the contributions from twist-3 parts are actually not power suppressed compared with the leading-twist contributions in the low energy region. The cross sections with twist-3 corrections agree well with the experimental data in the two-photon center-of-mass energy W > 2.8 GeV and we also predict the cross section ratio sigma(0)(K+ K-)/sigma(0)(pi(+) pi(-)), which is compatible with the experimental data from TPC and Belle.
学科领域Physics
资助者Natural Science Foundation of China [11005087, 11175146, 11645002] ; Natural Science Foundation of China [11005087, 11175146, 11645002] ; Fundamental Research Funds for the Central Universities [XDJK2014C169, XDJK2016C067] ; Fundamental Research Funds for the Central Universities [XDJK2014C169, XDJK2016C067] ; Natural Science Foundation of ChongQing [cstc2014jcyjA00029] ; Natural Science Foundation of ChongQing [cstc2014jcyjA00029] ; Open Project Program of State Key Laboratory of Theoretical Physics [Y4KF081CJ1] ; Open Project Program of State Key Laboratory of Theoretical Physics [Y4KF081CJ1] ; Natural Science Foundation of China [11005087, 11175146, 11645002] ; Natural Science Foundation of China [11005087, 11175146, 11645002] ; Fundamental Research Funds for the Central Universities [XDJK2014C169, XDJK2016C067] ; Fundamental Research Funds for the Central Universities [XDJK2014C169, XDJK2016C067] ; Natural Science Foundation of ChongQing [cstc2014jcyjA00029] ; Natural Science Foundation of ChongQing [cstc2014jcyjA00029] ; Open Project Program of State Key Laboratory of Theoretical Physics [Y4KF081CJ1] ; Open Project Program of State Key Laboratory of Theoretical Physics [Y4KF081CJ1]
DOIhttp://dx.doi.org/10.1140/epjc/s10052-017-4764-2
关键词[WOS]HADRONIC FORM-FACTORS ; QUANTUM CHROMODYNAMICS ; EXCLUSIVE PROCESSES ; PERTURBATIVE QCD ; WAVE-FUNCTION ; SUM-RULES ; COLLISIONS ; KAON ; FACTORIZATION ; CONFINEMENT
语种英语
资助者Natural Science Foundation of China [11005087, 11175146, 11645002] ; Natural Science Foundation of China [11005087, 11175146, 11645002] ; Fundamental Research Funds for the Central Universities [XDJK2014C169, XDJK2016C067] ; Fundamental Research Funds for the Central Universities [XDJK2014C169, XDJK2016C067] ; Natural Science Foundation of ChongQing [cstc2014jcyjA00029] ; Natural Science Foundation of ChongQing [cstc2014jcyjA00029] ; Open Project Program of State Key Laboratory of Theoretical Physics [Y4KF081CJ1] ; Open Project Program of State Key Laboratory of Theoretical Physics [Y4KF081CJ1] ; Natural Science Foundation of China [11005087, 11175146, 11645002] ; Natural Science Foundation of China [11005087, 11175146, 11645002] ; Fundamental Research Funds for the Central Universities [XDJK2014C169, XDJK2016C067] ; Fundamental Research Funds for the Central Universities [XDJK2014C169, XDJK2016C067] ; Natural Science Foundation of ChongQing [cstc2014jcyjA00029] ; Natural Science Foundation of ChongQing [cstc2014jcyjA00029] ; Open Project Program of State Key Laboratory of Theoretical Physics [Y4KF081CJ1] ; Open Project Program of State Key Laboratory of Theoretical Physics [Y4KF081CJ1]
WOS类目Physics, Particles & Fields
引用统计
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/22079
专题理论物理所2017年知识产出
通讯作者Zhou, MZ (reprint author), Southwest Univ, Sch Phys Sci & Technol, Chongqing 400715, Peoples R China.
推荐引用方式
GB/T 7714
Wang, C,Zhou, MZ,Chen, H,et al. gamma gamma -> M+ M-(M = pi, K) processes with twist-3 corrections in QCD[J]. EUROPEAN PHYSICAL JOURNAL C,2017,77(4):219.
APA Wang, C,Zhou, MZ,Chen, H,&Zhou, MZ .(2017).gamma gamma -> M+ M-(M = pi, K) processes with twist-3 corrections in QCD.EUROPEAN PHYSICAL JOURNAL C,77(4),219.
MLA Wang, C,et al."gamma gamma -> M+ M-(M = pi, K) processes with twist-3 corrections in QCD".EUROPEAN PHYSICAL JOURNAL C 77.4(2017):219.
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