From 2aefce70a92399f826f73aef1978e1fe9dbca087 Mon Sep 17 00:00:00 2001
From: jovoy <50204158+jovoy@users.noreply.github.com>
Date: Tue, 22 Aug 2023 15:39:13 +0200
Subject: [PATCH] Adding x_sep to TRestAxionWolterOptics.cxx

---
 src/TRestAxionWolterOptics.cxx | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/TRestAxionWolterOptics.cxx b/src/TRestAxionWolterOptics.cxx
index faac2445..bdeeb34d 100644
--- a/src/TRestAxionWolterOptics.cxx
+++ b/src/TRestAxionWolterOptics.cxx
@@ -173,6 +173,7 @@ void TRestAxionWolterOptics::Initialize() {
     fR5 = GetR5();
     fAlpha = GetAlpha();
     fThickness = GetThickness();
+    fXSep = 2 * (fR1 - fR3 - fMirrorLength * TMath::Sin(fAlpha)) / TMath::Tan(fAlpha);
 
     if (fAlpha.size() == 0) return;