Parton-to-pion fragmentation reloaded

被引：184

作者：

de Florian, Daniel ^{[1
,2
]}

Sassot, R. ^{[1
,2
]}

Epele, Manuel ^{[3
]}

Hernandez-Pinto, Roger J. ^{[1
,2
,4
]}

Stratmann, Marco ^{[5
]}

机构：

[1] Univ Buenos Aires, Fac Ciencias Exactas & Nat, Dept Fis, RA-1428 Buenos Aires, DF, Argentina

[2] Univ Buenos Aires, Fac Ciencias Exactas & Nat, IFIBA, RA-1428 Buenos Aires, DF, Argentina

[3] Univ Nacl La Plata, Fac Ciencias Exactas, Dept Fis, CONICET UNLP,Inst Fis La Plata, RA-1900 La Plata, Buenos Aires, Argentina

[4] Univ Valencia, CSIC, Inst Fis Corpuscular, E-46980 Valencia, Spain

[5] Univ Tubingen, Inst Theoret Phys, D-72076 Tubingen, Germany

来源：

PHYSICAL REVIEW D | 2015年 / 91卷 / 01期

关键词：

LEADING ORDER EVOLUTION; QCD CORRECTIONS; CROSS-SECTIONS; E+E-ANNIHILATION; CHARGED HADRONS; HIGGS DECAY; LIGHT; TRANSVERSE; COLLISIONS; DENSITIES;

D O I：

10.1103/PhysRevD.91.014035

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We present a new, comprehensive global analysis of parton-to-pion fragmentation functions at next-to-leading-order accuracy in QCD. The obtained results are based on the latest experimental information on single-inclusive pion production in electron-positron annihilation, lepton-nucleon deep-inelastic scattering, and proton-proton collisions. An excellent description of all data sets is achieved, and the remaining uncertainties in parton-to-pion fragmentation functions are estimated based on the Hessian method. Extensive comparisons to the results from our previous global analysis are performed.

引用

页数：17

共 44 条

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[44] Sensitivity of Pion versus Parton-Jet Nuclear Modification Factors to the Path-Length Dependence of Jet-Energy Loss at RHIC and LHC
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