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| author | Stan Seibert <stan@mtrr.org> | 2011-11-18 14:36:03 -0500 |
|---|---|---|
| committer | tlatorre <tlatorre@uchicago.edu> | 2021-05-09 08:42:38 -0700 |
| commit | 4809f1e7dde999e0f714aedcface9d5e7cbd179c (patch) | |
| tree | 601acba30604a5e2679bdf4255102a4a1bda94cb | |
| parent | cb3758f2cde4cf49a38d6caa6c15e7c88db381c5 (diff) | |
| download | chroma-4809f1e7dde999e0f714aedcface9d5e7cbd179c.tar.gz chroma-4809f1e7dde999e0f714aedcface9d5e7cbd179c.tar.bz2 chroma-4809f1e7dde999e0f714aedcface9d5e7cbd179c.zip | |
Fix ncorrect argument order to arctan2
| -rw-r--r-- | chroma/generator/vertex.py | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/chroma/generator/vertex.py b/chroma/generator/vertex.py index 2a3bedf..513a961 100644 --- a/chroma/generator/vertex.py +++ b/chroma/generator/vertex.py @@ -59,7 +59,7 @@ def pi0_gun(pos_iter, dir_iter, ke_iter, t0_iter=constant(0.0), start_id=0, gamm # In rest frame theta_rest = np.arccos(gamma1_dir[2]) - phi_rest = np.arctan2(gamma1_dir[0], gamma1_dir[1]) + phi_rest = np.arctan2(gamma1_dir[1], gamma1_dir[0]) # In lab frame (gamma1_e, gamma1_dir), (gamma2_e, gamma2_dir) = \ |