Two – Loop Massive Operator Matrix Elements for Unpolarized Heavy Flavor Production to O ( ǫ )

@inproceedings{Bierenbaum2008TwoL,
  title={Two – Loop Massive Operator Matrix Elements for Unpolarized Heavy Flavor Production to O ( ǫ )},
  author={I. Bierenbaum and Johannes Bl{\"u}mlein and Sebastian Klein and Carsten Schneider},
  year={2008}
}
We calculate the O(αs) massive operator matrix elements for the twist–2 operators, which contribute to the heavy flavor Wilson coefficients in unpolarized deeply inelastic scattering in the region Q2 ≫ m2, up to the O(ε) contributions. These terms contribute through the renormalization of the O(αs) heavy flavor Wilson coefficients of the structure function F2(x,Q 2). The calculation has been performed using light–cone expansion techniques without using the integration-by-parts method. We… CONTINUE READING
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