From 3f8179893273359dfd9b7990892d161d4bd44112 Mon Sep 17 00:00:00 2001
From: pgonzale <pedro.gonzalez.zamora@cern.ch>
Date: Tue, 24 Jun 2014 15:56:37 +0200
Subject: [PATCH] Replace GetMass for M(), smearing for virtual photons added,
 histogramas for eta before and after PID added