Group: sci.physics.particle
From: Jim Black
Date: Friday, November 16, 2007 3:13 AM
Subject: Re: why is there an "ioata-epsilon" prescription in propagator?

On Thu, 15 Nov 2007 15:31:02 -0800, Jim Black wrote:

> Is this a propagator for a massless particle? For a massive particle, if
> you Wick rotate it into Euclidean space, I don't believe there are any
> poles in the integrand.

That should be poles on the real axis, sorry.

--
Jim E. Black