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Idea Re: gamma 

Forum: Hadronic Processes
Re: None gamma (elnaz yazd)
Date: 19 Apr, 2011
From: Vladimir Ivanchenko <Vladimir Ivanchenko>


Gamma are mainly produced by bremsstrahlung of electrons, which are produced as delta-electrons by hadrons. Their ParentID is above 1. When you request ParentID 1 you register only gamma from the first hadron inelastic interaction in an event. Note, that gamma from nuclear de-excitation may come from secondary hadron inelastic interacts as well. So, may be more optimal would be to exclude gammas which have parent particle types e- and e+ and do not use ParentID.


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1 None: Re: gamma   (elnaz yazd - 27 Apr, 2011)
(_ Idea: Re: gamma   (Vladimir Ivanchenko - 10 May, 2011)
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