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Measurement E8M52

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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 : 1.18 — 1.2 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 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 45 3.821 1.235 0.5802
7.5 75 5.809 1.346 0.6264
7.5 105 4.198 0.8876 0.6013
7.5 135 6.695 1.285 0.6046
7.5 165 6.198 1.116 0.5898
7.5 195 6.271 1.503 0.648
7.5 225 7.8 1.983 0.6439
7.5 255 6.559 1.091 0.6236
7.5 285 2.606 0.6867 0.5658
7.5 315 4.328 1.621 0.5821
22.5 75 4.214 0.686 0.5277
22.5 105 5.564 0.6068 0.5491
22.5 135 6.85 0.5907 0.5591
22.5 165 6.882 0.5589 0.5571
22.5 195 7.739 0.6143 0.6021
22.5 225 5.866 0.5131 0.5562
22.5 255 6.828 0.7155 0.5667
22.5 285 5.993 1.136 0.5265
22.5 315 6.304 2.731 0.5415
37.5 15 4.123 0.763 0.5366
37.5 75 6.423 0.8274 0.5686
37.5 105 9.367 0.7943 0.6273
37.5 135 8.387 0.5845 0.5979
37.5 165 9.244 0.5714 0.6272
37.5 195 8.064 0.5243 0.6083
37.5 225 9.603 0.6452 0.6401
37.5 255 8.976 0.8498 0.6365
37.5 285 8.032 1.064 0.633
37.5 345 3.966 1.092 0.5227
52.5 45 6.52 1.404 0.713
52.5 75 9.495 0.6821 0.7483
52.5 105 10.14 0.767 0.7801
52.5 135 12.69 0.8256 0.8207
52.5 165 7.964 0.4398 0.7472
52.5 195 8.691 0.4679 0.766
52.5 225 9.463 0.654 0.759
52.5 255 11.02 0.8456 0.8131
52.5 285 9.862 0.6245 0.7803
52.5 315 7.171 2.289 0.7965
67.5 45 9.841 1.916 0.8621
67.5 75 12.26 0.5647 0.8687
67.5 105 15.23 0.8398 0.9353
67.5 135 11.15 0.7423 0.8694
67.5 165 8.61 0.4874 0.8163
67.5 195 8.249 0.4844 0.8136
67.5 225 13.14 0.8745 0.9158
67.5 255 13.88 0.7495 0.9195
67.5 285 12.23 0.5391 0.8941
67.5 315 8.697 1.074 0.8192
82.5 45 8.718 0.7012 0.7929
82.5 75 13.91 0.578 0.8963
82.5 105 14.35 0.6698 0.9247
82.5 135 11.28 0.7614 0.8608
82.5 165 8.003 0.4389 0.7913
82.5 195 8.509 0.472 0.7832
82.5 225 11.27 0.7885 0.8388
82.5 255 15.12 0.6473 0.9542
82.5 285 13.36 0.5466 0.8854
82.5 315 8.485 0.6407 0.7901
97.5 15 7.241 1.72 0.7133
97.5 45 10.62 0.7409 0.7968
97.5 75 13.04 0.6894 0.8185
97.5 105 15.42 0.667 0.9055
97.5 135 12.21 0.6861 0.8344
97.5 165 7.237 0.4285 0.7243
97.5 195 7.526 0.4361 0.7419
97.5 225 11.31 0.6423 0.8153
97.5 255 14.92 0.6347 0.8826
97.5 285 13.9 0.6605 0.8538
97.5 315 9.787 0.6639 0.7648
97.5 345 4.812 0.7568 0.6956
112.5 15 4.843 0.6992 0.6419
112.5 45 9.712 0.5498 0.7398
112.5 75 14.57 0.9211 0.8484
112.5 105 14.06 0.6057 0.8477
112.5 135 9.424 0.6583 0.7196
112.5 165 7.6 0.5724 0.6827
112.5 195 7.07 0.5388 0.6758
112.5 225 9.42 0.6106 0.7751
112.5 255 14.51 0.6122 0.8315
112.5 285 13.06 0.8726 0.793
112.5 315 9.379 0.5521 0.7263
112.5 345 6.26 0.9284 0.669
127.5 15 6.738 0.6913 0.6578
127.5 45 8.657 0.5399 0.6953
127.5 75 12.92 0.8796 0.7898
127.5 105 11.24 0.6568 0.7684
127.5 135 9.599 0.7153 0.7259
127.5 165 6.051 0.8958 0.6556
127.5 195 8.438 3.538 0.7093
127.5 225 8.461 0.6383 0.7139
127.5 255 10.47 0.59 0.7561
127.5 285 11.29 0.7795 0.7589
127.5 315 10.55 0.687 0.7413
127.5 345 6.189 0.7006 0.6582
142.5 15 5.87 0.856 0.7426
142.5 45 9.404 0.8192 0.8148
142.5 75 9.602 0.8828 0.7751
142.5 105 15.04 2.306 0.9523
142.5 255 8.776 1.028 0.8279
142.5 285 10.94 0.9857 0.8523
142.5 315 10.39 0.9538 0.842
142.5 345 10.04 1.649 0.8302
157.5 15 14.04 7.354 1.576
157.5 45 8.144 2.05 1.516
157.5 315 13.55 4.755 0.6433
157.5 345 8.634 2.551 0.6433