0 cross section for ee --> tautau at 20 GeV
Hello,
I do the following:
> generate e+ e- > ta+ ta-
> launch
I edit the run card and change the beam energies. If they are 20 GeV each, everything is fine. But setting them to 10 GeV each. The run fails with 0 cross section (See https:/
I also notice that the run card says
#******
# Collider type and energy *
# lpp: 0=No PDF, 1=proton, -1=antiproton, 2=photon from proton, *
# 3=photon from electron *
#******
0 = lpp1 ! beam 1 type
0 = lpp2 ! beam 2 type
Suggesting that the beam particles are not e+e- but ppbar. But the html file says e+e-. Why this inconsistency?
Thanks,
Abi
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