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Collinear subtractions in hadroproduction of heavy quarks

  • B. A. KniehlEmail author
  • G. Kramer
  • I. Schienbein
  • H. Spiesberger
theoretical physics

Abstract.

We present a detailed discussion of the collinear subtraction terms needed to establish a massive variable-flavor-number scheme for the one-particle inclusive production of heavy quarks in hadronic collisions. The subtraction terms are computed by convoluting appropriate partonic cross sections with perturbative parton distribution and fragmentation functions relying on the method of mass factorization. We find (with one minor exception) complete agreement with the subtraction terms obtained in a previous publication by comparing the zero-mass limit of a fixed-order calculation with the genuine massless results in the \({\overline{\mathrm{MS}}}\) scheme. This presentation will be useful for extending the massive variable-flavor-number scheme to other processes.

Keywords

Field Theory Elementary Particle Quantum Field Theory Heavy Quark Particle Acceleration 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin/Heidelberg 2005

Authors and Affiliations

  • B. A. Kniehl
    • 1
    Email author
  • G. Kramer
    • 1
  • I. Schienbein
    • 1
  • H. Spiesberger
    • 2
  1. 1.II. Institut für Theoretische Physik,Universität Hamburg,Hamburg,Germany
  2. 2.Institut für Physik,Johannes-Gutenberg-Universität,Mainz,Germany

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