Title of article :
The threshold expansion of the 2-loop sunrise self-mass master amplitudes Original Research Article
Author/Authors :
M. Caffo، نويسنده , , H. Czy?، نويسنده , , E. Remiddi، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 2001
Abstract :
The threshold behavior of the master amplitudes for two loop sunrise self-mass graph is studied by solving the system of differential equations, which they satisfy. The expansion at the threshold of the master amplitudes is obtained analytically for arbitrary masses.
Keywords :
General properties of perturbation theory , Field theory , Perturbative calculations , Specific calculations , Field theories in dimensions other than four
Journal title :
Nuclear Physics B
Journal title :
Nuclear Physics B