[Rivet-svn] r1921 - trunk/src/Analyses

[blackhole at projects.hepforge.org]

Author: fsiegert
Date: Fri Oct 16 11:55:37 2009
New Revision: 1921

Log:
Add photon-beamangle cut to photon fragmentation analysis

Modified:
   trunk/src/Analyses/ALEPH_1996_S3196992.cc

Modified: trunk/src/Analyses/ALEPH_1996_S3196992.cc
==============================================================================
--- trunk/src/Analyses/ALEPH_1996_S3196992.cc	Fri Oct 16 10:25:25 2009	(r1920)
+++ trunk/src/Analyses/ALEPH_1996_S3196992.cc	Fri Oct 16 11:55:37 2009	(r1921)
@@ -46,7 +46,13 @@
     void analyze(const Event& event) {
       const double weight = event.weight();
       
-      const ParticleVector photons = applyProjection<IdentifiedFinalState>(event, "Photons").particles();
+      const ParticleVector allphotons = applyProjection<IdentifiedFinalState>(event, "Photons").particles();
+      ParticleVector photons;
+      foreach (const Particle& photon, allphotons) {
+        if (fabs(cos(photon.momentum().theta()))<0.95) {
+          photons.push_back(photon);
+        }
+      }
       if (photons.size()<1) {
         vetoEvent;
       }