o04</a>]. 

<p/>
The introduction of <a href="MultipartonInteractions.html" target="page">rescattering</a> 
in the multiparton interactions framework further complicates the 
processing of events. Specifically, when combined with showers,
the momentum of an individual parton is no longer uniquely associated
with one single subcollision. Nevertheless the parton is classified
with one system, owing to the technical and administrative complications
of more complete classifications. Therefore the addition of pr