PHOS actor 1 . Get a Particle from TreeK 2. What is the incidence of other detectors on the way of the particle 3. Get the average PHOS response to this particle 4. Output the type and properties of the detected particle Photon: conversion probability energy loss Charged and Neutral hadrons: energy loss momentum smearing Probability to identify a photon, a charged or neutral hadron Energy and momentum resolution sourcePortFig="Fig0" destPortFig="Fig1" sourceFigNode="Fig0" destFigNode="Fig1" sourcePortFig="Fig0" destPortFig="Fig3" sourceFigNode="Fig0" destFigNode="Fig3" sourcePortFig="Fig0" destPortFig="Fig5" sourceFigNode="Fig0" destFigNode="Fig5" sourcePortFig="Fig0" destPortFig="Fig7" sourceFigNode="Fig0" destFigNode="Fig7" sourcePortFig="Fig9.0" destPortFig="Fig3.0" sourceFigNode="Fig9" destFigNode="Fig3" sourcePortFig="Fig11.0" destPortFig="Fig3.0" sourceFigNode="Fig11" destFigNode="Fig3" sourcePortFig="Fig13.0" destPortFig="Fig5.0" sourceFigNode="Fig13" destFigNode="Fig5" sourcePortFig="Fig5.0" destPortFig="Fig15.0" sourceFigNode="Fig5" destFigNode="Fig15"