Name: Roberto Sghedoni Date: 11/07/02-04:13:23 PM Z
There’s a bug in FeynCalc: it calculates
Tr[DiracSlash[a].DiracSlash[a]] as
a^2 but the correct result is 4*a^2.
Instead the calculation of
Tr[DiracSlash[a].DiracSlash[b]] is correct.
-———
Roberto Sghedoni
Dipartimento di Fisica dell’Università degli Studi di Parma
Parco Area delle Scienze 7/A
43100 Parma
Tel. +39.0521.905493
Fax +39.0521.905223
e-mail:
[sghedoni_at_HIDDEN-E-MAIL]
web: www.fis.unipr.it/~sghedoni/