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| Re: pbarpSystem [message #15114 is a reply to message #15109] |
Wed, 07 August 2013 00:21   |
Elisabetta Prencipe (2)
Messages: 214
Registered: February 2013
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first-grade participant |
From: *web.vodafone.de
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Hi Simon,
to simulate a new particle with EvtGen you can use the particles listed as 'dummiesXX' in the file evt.pdl. For instance, let's assume that you want to simulate a particle called Y, with mass = A, width = B, spin and charge set up to 0 (remember to pass the values of mass a width in [GeV]). Then you need to do the following in your file.dec:
###########################
Particle dummy00_1 A B
ChangeMassMin dummy00_1 [min-mass-value]
ChangeMassMax dummy00_1 [max-mass-value]
#
Alias MyY dummy00_1
Decay MyY
1.0 [daughter-one] [daughter-two] [daughte-whatever] [model]
Enddecay
Indeed, if you need to simulate a new particle of spin 1 and charge =0, then you need to use 'dummy01_1' in your file.dec; you can find the list of all dummy particles available in the file evt.pdl. By default, the dummy00_1 gives you a LundID = 51.
I hope it helps, Elisabetta
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