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Re: Fast simulation - MCTrack block [message #16152 is a reply to message #16151] Tue, 01 April 2014 13:20 Go to previous messageGo to previous message
Lu Cao is currently offline  Lu Cao
Messages: 77
Registered: February 2013
continuous participant
From: *ikp.kfa-juelich.de
Hi Elisabetta,

Perhaps I found the problem there, in your decay file you make the decay chain start from "pbarpSystem", but in the simfast.C "pbarpSystem0" is set as the initial particle. From the evt.pdl list,
*      type        name                 id  mass/GeV width/GeV max_Dm/GeV 3*charge 2*spin lifetime*c/mm Lund-KC
add  p Special     pbarpSystem       88888  2.98            0.1     0       0       0       0 88888
add  p Special     pbarpSystem0      88880  2.98            0.1     0       0       0       0 88880


they're two "different" particles although they look the same here except the pdgcode. Anyway, no matter which one you prefer to use, it's needed to make them consistent in decay file and sim macro.

Best,
Lu
 
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