[Rivet] PYTHIA run conditions for PDG_HADRON_MULTIPLICITIES

Holger Schulz holger.schulz at physik.hu-berlin.de
Mon Apr 25 10:18:44 BST 2011


> I've tried this and still can't reproduce Holger's results. Holger, can
> you send me the setup that you used for the PYTHIA LEP tunes as soon as
> you see this? Thanks.
>
> Andy
>
Hi Andy,

this is what I ran:

    agile-runmc Pythia6:423 --beams LEP:91.2 -P fpythia-Zhadronic.params
    -P flavour.params

and a -P for the tuned FSR params.

Maybe you missed the two switches I have in flavour.params?

    # Switch to pT-ordered shower:
    MSTJ(41) = 12

    # Switch on Bowler:
    MSTJ(11) = 5

    # Flavour parameters
    PARJ(1)    7.272809e-02
    PARJ(2)    2.018845e-01
    PARJ(3)    9.498471e-01
    PARJ(4)    3.316182e-02
    PARJ(11)   3.089764e-01
    PARJ(12)   4.015396e-01
    PARJ(13)   5.442874e-01
    PARJ(25)   6.276964e-01
    PARJ(26)   1.292377e-01

Cheers,
Holger
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