From 3ee0447414f2e6a28d6559439a957ef23e3aadf8 Mon Sep 17 00:00:00 2001
From: Julien <julien.doerner@rub.de>
Date: Fri, 15 Mar 2024 11:50:34 +0100
Subject: [PATCH] add comment for alpha value

---
 src/Source.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Source.cpp b/src/Source.cpp
index 9ff0b7f4d..f0b0e698c 100644
--- a/src/Source.cpp
+++ b/src/Source.cpp
@@ -416,7 +416,7 @@ double SourceSNRDistribution::fz(double z) const{
 }
 
 double SourceSNRDistribution::getAlpha() const {
-	return alpha - 1; 
+	return alpha - 1;  // -1 to account for the R-term in the volume element dV = R * dR * dphi * dz
 }
 
 double SourceSNRDistribution::getBeta() const {