Applications of a nonlinear evolution equation I: The parton distributions in the proton
Wang, Rong1,3; Zhang, Pengming1; Zhu, Wei2; Ruan, Jianhong2; Chen, Xurong1
刊名INTERNATIONAL JOURNAL OF MODERN PHYSICS E-NUCLEAR PHYSICS
2014-10-01
卷号23
关键词Parton Distributions Qcd Evolution Equation Nonlinear Corrections
ISSN号0218-3013
DOI10.1142/S0218301314500578
文献子类Article
英文摘要The nonlinear Dokshitzer-Gribov-Lipatov-Altarelli-Parisi (DGLAP) evolution equations with parton recombination corrections are used to dynamically evaluate the proton's parton distribution functions starting from a low scale mu(2), where the nucleon consists of valence quarks. We find that the resulting negative nonlinear corrections can improve the perturbative stability of the QCD evolution equation at low Q(2). Our resulting parton distributions, with four free parameters, are compatible with the existing databases. This approach provides a powerful tool to connect the quark models of the hadron and various nonperturbative effects at the scale mu(2) with the measured structure functions at the high scale Q(2) >> mu(2).
资助项目Century Program of Chinese Academy of Sciences[Y101020BR0]
WOS关键词INELASTIC STRUCTURE FUNCTIONS ; SMALL-X REGION ; DEUTERON STRUCTURE FUNCTIONS ; FINITE GLUON PROPAGATOR ; CURRENT CROSS-SECTIONS ; STRUCTURE-FUNCTION F-2 ; FREE GAUGE-THEORIES ; MIT BAG MODEL ; LOW Q(2) ; QUANTUM CHROMODYNAMICS
WOS研究方向Physics
语种英语
出版者WORLD SCIENTIFIC PUBL CO PTE LTD
WOS记录号WOS:000344987700005
内容类型期刊论文
源URL[http://119.78.100.186/handle/113462/49219]  
专题近代物理研究所_实验物理中心
通讯作者Zhu, Wei
作者单位1.Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Peoples R China
2.E China Normal Univ, Dept Phys, Shanghai 200062, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
推荐引用方式
GB/T 7714
Wang, Rong,Zhang, Pengming,Zhu, Wei,et al. Applications of a nonlinear evolution equation I: The parton distributions in the proton[J]. INTERNATIONAL JOURNAL OF MODERN PHYSICS E-NUCLEAR PHYSICS,2014,23.
APA Wang, Rong,Zhang, Pengming,Zhu, Wei,Ruan, Jianhong,&Chen, Xurong.(2014).Applications of a nonlinear evolution equation I: The parton distributions in the proton.INTERNATIONAL JOURNAL OF MODERN PHYSICS E-NUCLEAR PHYSICS,23.
MLA Wang, Rong,et al."Applications of a nonlinear evolution equation I: The parton distributions in the proton".INTERNATIONAL JOURNAL OF MODERN PHYSICS E-NUCLEAR PHYSICS 23(2014).
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