One loop scalar functions in the heavy-quark effective theory

  • J. Zupan
Theoretical Physics


We find general solutions for the dimensionally regularized scalar one-loop three-point and four-point functions with one heavy-quark propagator. The scalar one-point function vanishes, while the expression for the two-point function has been found before. For the latter we give a detailed derivation. We also discuss some special cases and compile useful formulae.


General Solution Scalar Function Effective Theory Detailed Derivation Loop Scalar 
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Copyright information

© Springer-Verlag Berlin Heidelberg / Società Italiana di Fisica 2002

Authors and Affiliations

  • J. Zupan
    • 1
  1. 1.J. Stefan Institute, Jamova 39, 1001 Ljubljana, Slovenia SI

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