From 7d3c464c1c86ff0c885d1fdc6cdebd0d8c8a4a02 Mon Sep 17 00:00:00 2001
From: Connor Moore <connor.moore@psi.ch>
Date: Wed, 5 Aug 2026 15:29:41 +0200
Subject: Added global spectrum tally

---
 hpmr.py | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/hpmr.py b/hpmr.py
index 27e7848..9c1cac8 100755
--- a/hpmr.py
+++ b/hpmr.py
@@ -811,7 +811,11 @@ settings.temperature = {'method': "interpolation"}
 tal_global = openmc.Tally(name="Global Reaction Rate")
 tal_global.scores = ["absorption","fission"]
 
-tallies = openmc.Tallies([tal_global])
+tal_spectrum = openmc.Tally(name="Global Energy Spectrum")
+tal_spectrum.filters = [openmc.EnergyFilter(np.logspace(np.log10(1.0),np.log10(20e6),500))]
+tal_spectrum.scores = ["flux"]
+
+tallies = openmc.Tallies([tal_global, tal_spectrum])
 tallies.export_to_xml()
 
 ## Export ##
-- 
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