NLO evolution kernels for skewed transversity distributions

被引:28
作者
Belitsky, AV [1 ]
Freund, A
Müller, D
机构
[1] SUNY Stony Brook, CN Yang Inst Theoret Phys, Stony Brook, NY 11794 USA
[2] Ist Nazl Fis Nucl, Sez Firenze, I-50125 Florence, Italy
[3] Univ Regensburg, Inst Theoret Phys, D-93040 Regensburg, Germany
基金
美国国家科学基金会;
关键词
evolution equation; two-loop exclusive kernels; conformal and supersymmetric constraints;
D O I
10.1016/S0370-2693(00)01129-1
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
We present a calculation of the two-loop evolution kernels of the twist-two transversally polarized skewed quark and linearly polarized skewed gluon distributions in the minimal subtraction scheme and discuss a solution of the evolution equations suitable for numerical implementation. (C) 2000 Published by Elsevier Science B.V.
引用
收藏
页码:341 / 349
页数:9
相关论文
共 39 条
[1]   TRANSVERSELY POLARIZED PARTON DENSITIES, THEIR EVOLUTION AND THEIR MEASUREMENT [J].
ARTRU, X ;
MEKHFI, M .
ZEITSCHRIFT FUR PHYSIK C-PARTICLES AND FIELDS, 1990, 45 (04) :669-676
[2]   Predictions from conformal algebra for the deeply virtual Compton scattering [J].
Belitsky, AV ;
Muller, D .
PHYSICS LETTERS B, 1998, 417 (1-2) :129-140
[3]   N=1 supersymmetric constraints for evolution kernels [J].
Belitsky, AV ;
Müller, D .
NUCLEAR PHYSICS B-PROCEEDINGS SUPPLEMENTS, 1999, 79 :576-578
[4]   Two-loop effects in the evolution of non-forward distributions [J].
Belitsky, AV ;
Muller, D ;
Niedermeier, L ;
Schafer, A .
PHYSICS LETTERS B, 1998, 437 (1-2) :160-168
[5]   Leading logarithmic evolution of the off-forward distributions [J].
Belitsky, AV ;
Geyer, B ;
Muller, D ;
Schafer, A .
PHYSICS LETTERS B, 1998, 421 (1-4) :312-318
[6]   Next-to-leading order evolution of twist-two conformal operators: The Abelian case [J].
Belitsky, AV ;
Muller, D .
NUCLEAR PHYSICS B, 1998, 527 (1-2) :207-234
[7]   Evolution kernels of skewed parton distributions:: Method and two-loop results [J].
Belitsky, AV ;
Freund, A ;
Müller, D .
NUCLEAR PHYSICS B, 2000, 574 (1-2) :347-406
[8]   Reconstruction of non-forward evolution kernels [J].
Belitsky, AV ;
Müller, D ;
Freund, A .
PHYSICS LETTERS B, 1999, 461 (03) :270-279
[9]   Broken conformal invariance and spectrum of anomalous dimensions in QCD [J].
Belitsky, AV ;
Müller, D .
NUCLEAR PHYSICS B, 1999, 537 (1-3) :397-442
[10]   Evolution of non-forward parton distributions in next-to-leading order:: singlet sector [J].
Belitsky, AV ;
Müller, D ;
Niedermeier, L ;
Schäfer, A .
NUCLEAR PHYSICS B, 1999, 546 (1-2) :279-298