From 5fb68609aa7eb050ba0ce10d0bf6f43cd49634c1 Mon Sep 17 00:00:00 2001
From: "matteo.defranchis" <matteo.defranchis@cern.ch>
Date: Wed, 18 May 2022 17:24:54 +0200
Subject: [PATCH] adding sum of PS weights

---
 PhysicsTools/NanoAOD/plugins/GenWeightsTableProducer.cc | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/PhysicsTools/NanoAOD/plugins/GenWeightsTableProducer.cc b/PhysicsTools/NanoAOD/plugins/GenWeightsTableProducer.cc
index 571912776c2fb..ac1085f531e73 100644
--- a/PhysicsTools/NanoAOD/plugins/GenWeightsTableProducer.cc
+++ b/PhysicsTools/NanoAOD/plugins/GenWeightsTableProducer.cc
@@ -1108,6 +1108,13 @@ class GenWeightsTableProducer : public edm::global::EDProducer<edm::StreamCache<
                              "Sum of genEventWeight * LHEPdfWeight[i], divided by genEventSumw" + doclabel,
                              sumPDFs,
                              runCounter->sumw);
+      auto sumPS = runCounter->sumPS;
+      for (auto& val : sumPS)
+        val *= norm;
+      out->addVFloatWithNorm("PSSumw" + label,
+                             "Sum of genEventWeight * PSWeight[i], divided by genEventSumw" + doclabel,
+                             sumPS,
+                             runCounter->sumw);
       if (!runCounter->sumRwgt.empty()) {
         auto sumRwgts = runCounter->sumRwgt;
         for (auto& val : sumRwgts)