Global analysis of fragmentation functions for protons and charged hadrons

被引：188
作者：
de Florian, Daniel [1 ]
Sassot, Rodolfo [1 ]
Stratmann, Marco [2 ]
机构：
[1] Univ Buenos Aires, Dept Fis, RA-1428 Buenos Aires, DF, Argentina
[2] RIKEN, Radiat Lab, Wako, Saitama 3510198, Japan
来源：
PHYSICAL REVIEW D | 2007年 / 76卷 / 07期
关键词：
D O I：
10.1103/PhysRevD.76.074033
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We present new sets of fragmentation functions for protons and inclusive charged hadrons obtained in combined next-to-leading order QCD analyses of single-inclusive hadron production in electron-positron annihilation, proton-proton collisions, and deep-inelastic lepton-proton scattering. These analyses complement previous results for pion and kaon fragmentation functions with charge and flavor discrimination. The Lagrange multiplier technique is used to assess the uncertainties in the extraction of the new sets of fragmentation functions.
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页数：16
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