From 6615857def5763b0dd7a94ddc9a4f4d2aa41b981 Mon Sep 17 00:00:00 2001
From: Paul Romano <paul.k.romano@gmail.com>
Date: Wed, 14 Dec 2016 10:04:01 -0600
Subject: [PATCH] Recognize LCT=4 for reference frame convention

---
 openmc/data/reaction.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/openmc/data/reaction.py b/openmc/data/reaction.py
index bb976f9fa5..627f3956cb 100644
--- a/openmc/data/reaction.py
+++ b/openmc/data/reaction.py
@@ -86,7 +86,7 @@ def _get_products(ev, mt):
     # Read HEAD record
     items = get_head_record(file_obj)
     reference_frame = {1: 'laboratory', 2: 'center-of-mass',
-                       3: 'light-heavy'}[items[3]]
+                       3: 'light-heavy', 4: 'breakup'}[items[3]]
     n_products = items[4]
 
     products = []