A0

Description

A0[(m^2)] is  the  Passarino - Veltman  one - 
      point  integral  (Subscript[A, 0.])

Options[ A0]

See also:  B0, C0, D0, PaVe.

Examples

By default any (Subscript[A, 0]) is expressed in terms of (Subscript[B, 0])'s.

A0[(m^2)]

A0[(m^2), A0ToB0 -> False]

According to the rules of dimensional regularization (Subscript[A, 0])(0) is set to 0.

A0[0]

A0[SmallVariable[M^2]]