Feature #1547
MICE Step Pi in G4beamline
Start date:
22 August 2014
Due date:
% Done:
100%
Estimated time:
Description
Copied Step Pi deck parameters from MAUS into G4beamline. Ran 10000 particles @ betaT=333 mm, epsT=6 mm, z=-4050 mm. Magnetic field on axis looks reasonable, agrees with the field map calculated by Diktys Stratakis. However, betaT does not look right, figure attached.
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Updated by Rogers, Chris almost 9 years ago
Pavel, I think you have screwed up your beam file. I calculate your covariance matrix
[[ 1.06194041e+03 -3.06889998e-01 3.92214947e+00 -7.63055664e+00] [ -3.06889998e-01 3.95478760e+02 8.71978569e+00 4.73348669e+00] [ 3.92214947e+00 8.71978569e+00 1.03973165e+03 9.16092233e-01] [ -7.63055664e+00 4.73348669e+00 9.16092233e-01 3.88299507e+02]]
Should be (6 mm emittance)
[[ 1055.52342 -0. 0. -632.87592112] [ -0. 760.21240555 632.87592112 0. ] [ 0. 632.87592112 1055.52342 -0. ] [ -632.87592112 0. -0. 760.21240555]]
Updated by Rogers, Chris almost 8 years ago
- Status changed from Open to Closed
- % Done changed from 0 to 100
I think this is closed...