From 620488860b376a2d0a2d250be8ea82a39dd2e41d Mon Sep 17 00:00:00 2001
From: Evgeniy Unzhakov <unzhakov_ev@pnpi.nrcki.ru>
Date: Fri, 8 May 2026 16:08:41 +0300
Subject: [PATCH] Fix Tc99 branch intensity from paceENSDF

paceENSDF returns intensity at state[9] (percent), not state[8] (ENSDF
normalization field, ~1.0 for all branches). This was causing ~50/50
split for Tc99 instead of the correct 99.9984%/0.0016%.
---
 beta_spectrum/nuclear_data.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/beta_spectrum/nuclear_data.py b/beta_spectrum/nuclear_data.py
index c558a9d..3066639 100644
--- a/beta_spectrum/nuclear_data.py
+++ b/beta_spectrum/nuclear_data.py
@@ -444,7 +444,7 @@ def get_decay_info_from_paceENSDF(
             branch = BranchInfo(
                 level_index=int(state[0]),
                 level_energy_keV=float(state[1]),
-                intensity=float(state[8]),
+                intensity=float(state[9]) / 100.0,
                 log_ft=float(state[11]) if state[11] is not None else None,
                 transition_type=branch_transition_type,
             )