From 016d1e66cadb35080b37a6bf0d785c4a98b9e15b Mon Sep 17 00:00:00 2001
From: Gamelin Alexis <alexis.gamelin@synchrotron-soleil.fr>
Date: Wed, 19 May 2021 15:31:53 +0200
Subject: [PATCH] Fix free space CSR expression
Take into account length
---
collective_effects/csr.py | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/collective_effects/csr.py b/collective_effects/csr.py
index d200972..b72681a 100644
--- a/collective_effects/csr.py
+++ b/collective_effects/csr.py
@@ -80,7 +80,7 @@ class FreeSpaceCSR(WakeField):
Beams 7.5 (2004): 054403.
"""
- Zl = (self.Z0 / (2*np.pi) * gamma(2/3) *
+ Zl = (self.Z0 * self.length / (2*np.pi) * gamma(2/3) *
(-1j * 2 * np.pi * frequency / (3 * c * self.radius**2) )**(1/3) )
return Zl
--
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