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2017-12-01 beamline-optimisation

Momentum distribution and transverse parameters are displayed below. My preference is for 10343 setting, because the alignment is a bit better. 10340 looks okay to.

10340 Beam ellipse

Tracker: tku cut: us cut
Ellipse variables are: ['x', 'px', 'y', 'py', 'p']
nevents: 600.0
mean
   ['     12.78', '     -9.81', '    -18.55', '      0.99', '     170.2']
covariance
   ['   3568.52', '   -382.52', '    518.15', '  -1378.59', '   2187.89']
   ['   -382.52', '    871.01', '    955.91', '      0.78', '  -1669.44']
   ['    518.15', '    955.91', '   2756.22', '   -580.96', '  -3155.58']
   ['  -1378.59', '      0.78', '   -580.96', '   1160.18', '     154.4']
   ['   2187.89', '  -1669.44', '  -3155.58', '     154.4', '      8.57']
emit4d: 11.853
beta4d: 429.747
alpha4d: -0.385
emit_x: 16.289
beta_x: 352.899
alpha_x: -0.222
emit_y: 16.006
beta_y: 277.373
alpha_y: -0.344

10341 Beam Ellipse

Tracker: tku cut: us cut
Ellipse variables are: ['x', 'px', 'y', 'py', 'p']
nevents: 444.0
mean
   ['     18.62', '    -10.04', '    -16.43', '     -1.24', '    169.96']
covariance
   ['   3537.66', '    -550.5', '    569.19', '  -1348.53', '   3170.66']
   ['    -550.5', '    869.49', '    943.82', '      7.55', '  -1708.09']
   ['    569.19', '    943.82', '   3211.48', '   -668.67', '  -2787.22']
   ['  -1348.53', '      7.55', '   -668.67', '   1121.31', '   -218.71']
   ['   3170.66', '  -1708.09', '  -2787.22', '   -218.71', '      8.43']
emit4d: 12.034
beta4d: 451.063
alpha4d: -0.479
emit_x: 15.76
beta_x: 361.066
alpha_x: -0.331
emit_y: 16.808
beta_y: 307.339
alpha_y: -0.377

10342 Beam Ellipse

Tracker: tku cut: us cut
Ellipse variables are: ['x', 'px', 'y', 'py', 'p']
nevents: 483.0
mean
   ['      9.42', '     -8.26', '    -17.27', '       3.7', '    169.94']
covariance
   ['   3976.14', '   -626.43', '    618.65', '  -1511.29', '    1615.7']
   ['   -626.43', '    988.13', '   1111.95', '     66.22', '  -1409.25']
   ['    618.65', '   1111.95', '   3465.69', '   -837.92', '   -2922.3']
   ['  -1511.29', '     66.22', '   -837.92', '    1255.5', '    623.17']
   ['    1615.7', '  -1409.25', '   -2922.3', '    623.17', '      7.95']
emit4d: 12.918
beta4d: 463.288
alpha4d: -0.536
emit_x: 17.799
beta_x: 359.31
alpha_x: -0.333
emit_y: 18.08
beta_y: 308.315
alpha_y: -0.439

10343 Beam Ellipse

Tracker: tku cut: us cut
Ellipse variables are: ['x', 'px', 'y', 'py', 'p']
nevents: 670.0
mean
   ['      8.79', '     -3.45', '     -7.76', '      2.28', '    170.06']
covariance
   ['   3381.81', '   -352.77', '    673.76', '  -1260.69', '   1505.33']
   ['   -352.77', '     907.0', '     865.8', '     -9.72', '   -584.94']
   ['    673.76', '     865.8', '   3047.85', '   -691.72', '  -1315.63']
   ['  -1260.69', '     -9.72', '   -691.72', '   1180.78', '    383.39']
   ['   1505.33', '   -584.94', '  -1315.63', '    383.39', '      8.06']
emit4d: 13.05
beta4d: 396.509
alpha4d: -0.379
emit_x: 16.236
beta_x: 335.256
alpha_x: -0.206
emit_y: 16.719
beta_y: 293.428
alpha_y: -0.392

Updated by Rogers, Chris almost 5 years ago · 8 revisions