Title of article :
Estimations of order αs3 and αs4 corrections to mass-dependent observables
Author/Authors :
K.G. Chetyrkin، نويسنده , , B.A. Kniehl، نويسنده , , A. Sirlin، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 1997
Abstract :
A simple procedure to estimate O(αs3) and O(αs4) corrections to mass-dependent observables is conjectured. The method is tested in a number of cases where the O(αs3) contribution is exactly known, and reasonable agreement is found.
Journal title :
PHYSICS LETTERS B
Journal title :
PHYSICS LETTERS B
