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Measurement E8M54

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Experiment: E89-038 CLAS experiment, 1999

Spokespersons: V. Burkert, R. Minehart

Experiment comment: Beam energy 1.515 GeV. Global 5.8% scaling systematic uncertainty for all data points

Measurement comment: Global 5.8% scaling systematic uncertainty

Publication:

Quantity measured: dσ/dΩ, mcbn/sterad
Differential cross section.
Beam: e, polarization: none
Target: p (Z=1, A=1), polarization: none
Final state: π+n, polarization: none

Q2 : 0.45 — 0.55 GeV2
W : 1.22 — 1.24 GeV
Ebeam : 1.515 GeV

Select data slice:
θπ = deg

Fit φ dependence:

 Observable quantity measured (Y axis): dσ/dΩ, mcbn/sterad
Plot measurement data

Parameter (X axis): φπ, deg

Click here to view sliced data.

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Click here to get data in text file, delimited with tabs.

Click here to get calculated fit coefficients in text file, delimited with tabs.

Measured data:

θπ,
deg 		φπ,
deg 		dσ/dΩ,
mcbn/sterad 		Data errors,
mcbn/sterad 		Systematic errors,
mcbn/sterad
7.5 195 10.78 1.846 1.194
7.5 225 6.473 1.139 1.036
22.5 15 9.983 1.034 0.8669
22.5 45 14.36 3.592 0.9593
22.5 105 11.55 1.135 0.9119
22.5 135 11.71 0.8324 0.9203
22.5 165 11.49 0.7701 0.8926
22.5 195 13.51 0.8648 0.9397
22.5 225 11.11 0.7921 0.8919
22.5 255 11.33 1.167 0.9135
22.5 315 10.28 1.945 0.8472
22.5 345 8.114 0.8677 0.8486
37.5 15 9.94 1.264 0.8385
37.5 45 10.62 2.493 0.8504
37.5 75 14.32 5.797 0.8519
37.5 105 12.74 1.012 0.8847
37.5 135 12.58 0.7037 0.9099
37.5 165 9.99 0.5089 0.8393
37.5 195 12.36 0.6019 0.8868
37.5 225 11.81 0.6993 0.8921
37.5 255 12.4 0.9413 0.8985
37.5 285 10.75 3.42 0.8917
37.5 315 10.86 2.544 0.9399
37.5 345 9.376 2.192 0.8487
52.5 45 10.94 1.415 0.8584
52.5 75 13.2 1.023 0.9567
52.5 105 13.66 0.7736 0.9126
52.5 135 12.23 0.7396 0.8893
52.5 165 10.47 0.4894 0.8596
52.5 195 10.55 0.5063 0.8439
52.5 225 13.16 0.7447 0.9142
52.5 255 13.67 0.8054 0.9236
52.5 285 13.02 1.018 0.9063
52.5 315 12.29 2.094 0.8704
67.5 45 11.38 1.733 0.9086
67.5 75 13.9 0.5589 0.9198
67.5 105 14.83 0.716 0.9349
67.5 135 12.76 0.7135 0.9113
67.5 165 9.989 0.4827 0.8313
67.5 195 9.249 0.445 0.8195
67.5 225 13.12 0.7583 0.8941
67.5 255 14.59 0.6691 0.9645
67.5 285 14.29 0.5228 0.9439
67.5 315 10.8 1.385 0.8598
82.5 45 9.012 1.354 0.7945
82.5 75 13.43 0.5453 0.9016
82.5 105 16.67 0.6798 0.9737
82.5 135 13.25 0.7799 0.8954
82.5 165 8.8 0.4621 0.809
82.5 195 8.781 0.4644 0.8073
82.5 225 11.81 0.719 0.8495
82.5 255 15.36 0.5952 0.9499
82.5 285 13.88 0.536 0.9041
82.5 315 9.431 1.146 0.7971
97.5 15 5.18 0.5095 0.679
97.5 45 9.997 0.5578 0.7612
97.5 75 14.02 0.6886 0.8281
97.5 105 15.42 0.6144 0.8868
97.5 135 10.88 0.5917 0.7833
97.5 165 6.821 0.3881 0.7134
97.5 195 8.566 0.4435 0.7456
97.5 225 11.55 0.6455 0.8089
97.5 255 15.2 0.6209 0.8924
97.5 285 14.22 0.6554 0.8401
97.5 315 10.4 0.5823 0.7561
97.5 345 5.758 0.566 0.6871
112.5 15 6.377 0.8632 0.6748
112.5 45 10.39 0.5265 0.7452
112.5 75 11.6 0.7199 0.7967
112.5 105 12.82 0.5162 0.8052
112.5 135 9.631 0.563 0.7266
112.5 165 6.92 0.4599 0.6874
112.5 195 6.547 0.4523 0.6899
112.5 225 10.1 0.6138 0.7316
112.5 255 13.05 0.5399 0.8249
112.5 285 13.87 0.8277 0.8287
112.5 315 11.02 0.5527 0.7603
112.5 345 7.084 0.8463 0.6844
127.5 15 6.356 0.5471 0.602
127.5 45 8.182 0.4696 0.6319
127.5 75 10.67 0.6385 0.6953
127.5 105 9.62 0.5375 0.6501
127.5 135 8.079 0.6202 0.6349
127.5 165 4.346 0.5524 0.5652
127.5 195 5.936 0.7696 0.5755
127.5 225 8.117 0.5819 0.6436
127.5 255 10.38 0.5918 0.699
127.5 285 10.65 0.6567 0.6796
127.5 315 9.168 0.5529 0.6548
127.5 345 6.14 0.5361 0.5842
142.5 15 6.119 0.6758 0.5919
142.5 45 7.46 0.6627 0.6293
142.5 75 9.015 0.6189 0.6628
142.5 105 9.324 1.136 0.6723
142.5 255 7.692 0.8973 0.643
142.5 285 9.507 0.7077 0.6502
142.5 315 7.811 0.6298 0.6279
142.5 345 4.958 0.5367 0.5774
157.5 15 8.768 2.319 1.083
157.5 45 7.14 1.721 1.038
157.5 315 10.66 3.022 1.105
157.5 345 8.539 1.444 1.093