From 74f680a74058fc08304881055a19f3ab8ed21cbc Mon Sep 17 00:00:00 2001
From: Jamie Dyer <jamie.dyer@colostate.edu>
Date: Thu, 13 Nov 2025 17:08:01 -0600
Subject: [PATCH] add factor of 2 to StoPipPip decay in HiggsMakeDecay_tool.cc.
 Needed bc the charged pions comprise two components of the pions' isospin
 triplet.

---
 .../EventGenerator/MeVPrtl/Tools/Higgs/HiggsMakeDecay_tool.cc   | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sbncode/EventGenerator/MeVPrtl/Tools/Higgs/HiggsMakeDecay_tool.cc b/sbncode/EventGenerator/MeVPrtl/Tools/Higgs/HiggsMakeDecay_tool.cc
index 8de728c27..24f2fabe7 100644
--- a/sbncode/EventGenerator/MeVPrtl/Tools/Higgs/HiggsMakeDecay_tool.cc
+++ b/sbncode/EventGenerator/MeVPrtl/Tools/Higgs/HiggsMakeDecay_tool.cc
@@ -140,7 +140,7 @@ double PionPartialWidth(double pion_mass, double higs_mass, double mixing) {
 }
 
 double PiPlusPartialWidth(double higs_mass, double mixing) {
-  return PionPartialWidth(Constants::Instance().piplus_mass, higs_mass, mixing);
+  return 2*PionPartialWidth(Constants::Instance().piplus_mass, higs_mass, mixing);
 }
 
 double PiZeroPartialWidth(double higs_mass, double mixing) {