O(αs3) heavy flavor contributions to the charged current structure function xF3(x,Q2) at large momentum transfer

被引：21
作者：
Behring, A. [1 ]
Bluemlein, J. [1 ]
De Freitas, A. [1 ,2 ]
Hasselhuhn, A. [3 ]
von Manteuffel, A. [4 ]
Schneider, C. [2 ]
机构：
[1] DESY, Deutsch Elektronen Synchrotron, D-15738 Zeuthen, Germany
[2] Johannes Kepler Univ Linz, RISC, A-4040 Linz, Austria
[3] Karlsruhe Inst Technol, Inst Theoret Particle Phys, D-76128 Karlsruhe, Germany
[4] Johannes Gutenberg Univ Mainz, Inst Phys, PRISMA Cluster Excellence, D-55099 Mainz, Germany
来源：
PHYSICAL REVIEW D | 2015年 / 92卷 / 11期
基金：
奥地利科学基金会;
关键词：
DEEP-INELASTIC-SCATTERING; SINGLET STRUCTURE FUNCTIONS; HARMONIC SUMS; ANOMALOUS DIMENSIONS; LEADING ORDER; HADRON SCATTERING; MELLIN TRANSFORMS; QCD; RULES; CHROMODYNAMICS;
D O I：
10.1103/PhysRevD.92.114005
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We calculate the massive Wilson coefficients for the heavy-flavor contributions to the nonsinglet charged-current deep inelastic scattering structure function xF(3)(w+) (x, Q(2)) + xF(3)(w-) (x, Q(2)) in the asymptotic region Q(2) >> m(2) to three-loop order hi QCD at general values of the Mellin variable N and the momentum fraction x. Besides the heavy-quark pair production also the single heavy-tlavor excitation s -> c contributes. Numerical results are presented for the charm-quark contributions and consequences on the Gross-Llewellyn Smith sum rule are discussed.
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页数：19
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