Name: Camm Maguire Date: 05/22/04-01:23:34 AM Z
Greetings!
Bob McElrath <bob+[maxima_at_HIDDEN-E-MAIL]> writes:
> Camm Maguire
[[camm_at_HIDDEN-E-MAIL]]
wrote:
> > Greetings!
> >
> > Bob McElrath
<bob+[maxima_at_HIDDEN-E-MAIL]>
writes:
> > > It also contains code for doing one-loop integrals. This same
code
> > > exists in several places (I know of a fortan library “ff” and
a Maple
> > > package “xloops” as well), and I can point to the papers if
people
> > ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> >
> > I think this would be helpful.
>
> Let me say that this *must* be implemented by an expert. The
physics
> community barely trusts such codes, and the ones that are barely
trusted
> (such as ff) have been massively cross checked across many
calculations
> and papers. That said:
> http://dx.doi.org/10.1016/0550-3213(79)90605-9
Is there an nline version of this one available to a general audience?
Take care,
> Here is a more modern reference with some new ideas, and the
references
> will be useful:
> http://arxiv.org/abs/hep-ph/0307113
> Bertfried Fauser (on CC list) works on these types of things and
might
> be an appropriate person to do it.
>
> These calculations are in general plauged by singularities, and
the
> procedure to remove them lies in physics, not math
(renormalization).
> The singularities are real, but we understand that they do not
affect
> physical observables. If it were possible to write general
algorithmic
> codes, we would do it.
>
> Cheers,
> Bob McElrath [Univ. of California at Davis, Department of
Physics]
>
> “A great many people think they are thinking when they are merely
> rearranging their prejudices.” – William James
>
--
Camm Maguire camm_at_HIDDEN-E-MAIL
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