== Candidate: The Particle Candidate Class ==

Delphes' {{{Candidates}}} class is inspired by the 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:
 - a generated particle,
 - a reconstructed object,
 - a combination of candidates.