Explain analog = collision for flux score in docs
Explain analog = collision for flux score in docs

mit-crpg/openmc,johnnyliu27/openmc,liangjg/openmc,paulromano/openmc,walshjon/openmc,mjlong/openmc,wbinventor/openmc,wbinventor/openmc,shikhar413/openmc,samuelshaner/openmc,johnnyliu27/openmc,liangjg/openmc,mit-crpg/openmc,wbinventor/openmc,samuelshaner/openmc,walshjon/openmc,smharper/openmc,paulromano/openmc,samuelshaner/openmc,amandalund/openmc,smharper/openmc,kellyrowland/openmc,kellyrowland/openmc,mit-crpg/openmc,bhermanmit/openmc,johnnyliu27/openmc,paulromano/openmc,walshjon/openmc,smharper/openmc,amandalund/openmc,samuelshaner/openmc,amandalund/openmc,mit-crpg/openmc,liangjg/openmc,amandalund/openmc,paulromano/openmc,shikhar413/openmc,bhermanmit/openmc,wbinventor/openmc,johnnyliu27/openmc,smharper/openmc,mjlong/openmc,liangjg/openmc,shikhar413/openmc,shikhar413/openmc,walshjon/openmc