O(α_s^2) contributions to the fragmentation function g_1(x,Q^2) in polarized e^+e^- annihilation

Details O(α_s^2) contributions to the fragmentation function g_1(x,Q^2) in polarized e^+e^- annihilation O(α_s^2) contributions to the fragmentation function g_1(x,Q^2) in polarized e^+e^- annihilation

1997-11-14

arxiv.org/abs/hep-ph/9711335v2

Nucl.Phys. B523 (1998) 245-264

Physics

High Energy Physics

High Energy Physics - Phenomenology

29 pages Latex

Scientific paper

10.1016/S0550-3213(98)00153-9

Misprints in the C_F^2 part of the splitting function \Delta P_{gq}^(1) Eq.
(3.29) are corrected. Due to a minus sign error between the C_F^2- 1/2 C_A C_F
piece and the remaining part of Eq. (A.4), Eq. (3.46) is changed. Finally
z_{qq}^{PS,(2)} is know so that we can give the full expression for \Delta \bar
{\cal C}_{1,q}^{PS} in Eq. (A.1).

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