From 2b85a07aa019e0df9c9eefad8dce9c8b579aa1d5 Mon Sep 17 00:00:00 2001
From: Pim Nelissen <pim.nelissen@protonmail.com>
Date: Mon, 9 Feb 2026 15:34:05 +0100
Subject: [PATCH] add attenuation table

---
 src/pg_rad/data/__init__.py           |  1 +
 src/pg_rad/data/attenuation_table.csv | 39 +++++++++++++++++++++++++++
 2 files changed, 40 insertions(+)
 create mode 100644 src/pg_rad/data/__init__.py
 create mode 100644 src/pg_rad/data/attenuation_table.csv

diff --git a/src/pg_rad/data/__init__.py b/src/pg_rad/data/__init__.py
new file mode 100644
index 0000000..a9a2c5b
--- /dev/null
+++ b/src/pg_rad/data/__init__.py
@@ -0,0 +1 @@
+__all__ = []
diff --git a/src/pg_rad/data/attenuation_table.csv b/src/pg_rad/data/attenuation_table.csv
new file mode 100644
index 0000000..0c8f024
--- /dev/null
+++ b/src/pg_rad/data/attenuation_table.csv
@@ -0,0 +1,39 @@
+energy_mev,mu
+1.00000E-03,3.606E+03
+1.50000E-03,1.191E+03
+2.00000E-03,5.279E+02
+3.00000E-03,1.625E+02
+3.20290E-03,1.340E+02
+3.20290E-03,1.485E+02
+4.00000E-03,7.788E+01
+5.00000E-03,4.027E+01
+6.00000E-03,2.341E+01
+8.00000E-03,9.921E+00
+1.00000E-02,5.120E+00
+1.50000E-02,1.614E+00
+2.00000E-02,7.779E-01
+3.00000E-02,3.538E-01
+4.00000E-02,2.485E-01
+5.00000E-02,2.080E-01
+6.00000E-02,1.875E-01
+8.00000E-02,1.662E-01
+1.00000E-01,1.541E-01
+1.50000E-01,1.356E-01
+2.00000E-01,1.233E-01
+3.00000E-01,1.067E-01
+4.00000E-01,9.549E-02
+5.00000E-01,8.712E-02
+6.00000E-01,8.055E-02
+8.00000E-01,7.074E-02
+1.00000E+00,6.358E-02
+1.25000E+00,5.687E-02
+1.50000E+00,5.175E-02
+2.00000E+00,4.447E-02
+3.00000E+00,3.581E-02
+4.00000E+00,3.079E-02
+5.00000E+00,2.751E-02
+6.00000E+00,2.522E-02
+8.00000E+00,2.225E-02
+1.00000E+01,2.045E-02
+1.50000E+01,1.810E-02
+2.00000E+01,1.705E-02
\ No newline at end of file