== Candidate: The Particle Candidate Class ==

Delphes' {{{Candidate}}} class is inspired by the !BaBar's {{{BtaCandidate}}}:

http://www.slac.stanford.edu/BFROOT/www/doc/workbook/eventinfo/eventinfo.html#btacand

{{{Candidate}}} can represent various levels of processing, various data types:
 - generated particle,
 - reconstructed object,
 - combination of candidates.