From: schutz <schutz@f7af4fe6-9843-0410-8265-dc069ae4e863>
Date: Fri, 21 May 2004 09:47:26 +0000 (+0000)
Subject: Pi0 identification with PID was wrongly done, changes in GetEllipseParameters
X-Git-Url: http://git.uio.no/git/?a=commitdiff_plain;h=443caba978d9b4bc8396e680c93a155ded03fb54;p=u%2Fmrichter%2FAliRoot.git

Pi0 identification with PID was wrongly done, changes in GetEllipseParameters
---

diff --git a/PHOS/AliPHOSPIDv1.cxx b/PHOS/AliPHOSPIDv1.cxx
index da960df4141..1dc37957713 100644
--- a/PHOS/AliPHOSPIDv1.cxx
+++ b/PHOS/AliPHOSPIDv1.cxx
@@ -338,7 +338,11 @@ Float_t  AliPHOSPIDv1::GetEllipseParameter(TString particle, TString param, Floa
     else if (param.Contains("x0")) e = TMath::Max((Double_t)e,1.1);
   }
 
-  value = p[0]/TMath::Sqrt(e) + p[1]*e + p[2]*e*e + p[3];
+ if (particle == "photon")
+    value = p[0]/TMath::Sqrt(e) + p[1]*e + p[2]*e*e + p[3];
+  else if (particle == "pi0")
+    value = p[0] + p[1]*e + p[2]*e*e;
+
   return value;
 }