We compute the two-loop QCD corrections to the heavy quark form factors in the case of the vector, axial-vector, scalar and pseudoscalar currents up to second order in the dimensional parameter μ=(4-D)/2. These terms are required in the renormalization of the higher-order corrections to these form factors.
Heavy quark form factors at two loops / J. Ablinger, A. Behring, J. Blumlein, G. Falcioni, A. De Freitas, P. Marquard, N. Rana, C. Schneider. - In: PHYSICAL REVIEW D. - ISSN 2470-0010. - 97:9(2018), pp. 094022.1-094022.44. [10.1103/PhysRevD.97.094022]
Heavy quark form factors at two loops
N. Rana;
2018
Abstract
We compute the two-loop QCD corrections to the heavy quark form factors in the case of the vector, axial-vector, scalar and pseudoscalar currents up to second order in the dimensional parameter μ=(4-D)/2. These terms are required in the renormalization of the higher-order corrections to these form factors.
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