From 1cf2d7e8d630c136a8f6988b5c72a6da9089d057 Mon Sep 17 00:00:00 2001
From: Paola Ferrario <paola.ferrario@gmail.com>
Date: Sat, 14 Sep 2024 08:28:38 +0200
Subject: [PATCH] Fix ionization energy in LXe

---
 source/materials/MaterialProperties.cc | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/source/materials/MaterialProperties.cc b/source/materials/MaterialProperties.cc
index 99c017fdd..445d1242a 100644
--- a/source/materials/MaterialProperties.cc
+++ b/source/materials/MaterialProperties.cc
@@ -669,7 +669,7 @@ namespace materialprops {
   G4MaterialPropertiesTable* LXe()
   {
     /// The time constants are taken from E. Hogenbirk et al 2018 JINST 13 P10031
-    /// Fano factor and ionization electron from Nobumiti et al., Phys. Rev. A 46, 1676
+    /// Ionization energy is taken from Takahashi et al., Phys. Rev. A 12, 1771
     G4MaterialPropertiesTable* LXe_mpt = new G4MaterialPropertiesTable();
 
     const G4int ri_entries = 200;
@@ -715,7 +715,7 @@ namespace materialprops {
     LXe_mpt->AddConstProperty("SCINTILLATIONYIELD1", .03);
     LXe_mpt->AddConstProperty("SCINTILLATIONYIELD2", .97);
     LXe_mpt->AddConstProperty("ATTACHMENT", 1000.*ms, 1);
-    LXe_mpt->AddConstProperty("IONIZATIONENERGY",    21.9 * eV, 1);
+    LXe_mpt->AddConstProperty("IONIZATIONENERGY",    15.6 * eV, 1);
     LXe_mpt->AddConstProperty("FANOFACTOR",               0.29, 1);
 
     std::vector<G4double> abs_energy = {optPhotMinE_, optPhotMaxE_};