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Measurement E8M72

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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 : 0.55 — 0.65 GeV2
W : 1.16 — 1.18 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
7.5 135 4.466 1.158 0.4157
7.5 165 3.443 0.9164 0.3058
7.5 285 1.49 0.6419 0.2925
22.5 75 4.288 1.039 0.4075
22.5 105 3.288 0.6047 0.4106
22.5 135 4.85 0.6842 0.4345
22.5 165 5.538 0.6428 0.4775
22.5 195 3.953 0.504 0.4175
22.5 225 3.837 0.6044 0.4007
22.5 255 3.891 0.5995 0.4267
22.5 285 3.171 0.6674 0.3939
37.5 15 1.703 0.8259 0.3375
37.5 75 5.14 1.241 0.4042
37.5 105 5.692 0.8612 0.3946
37.5 135 4.997 0.5259 0.3899
37.5 165 4.88 0.4482 0.3923
37.5 195 4.939 0.5017 0.3909
37.5 225 5.801 0.6757 0.4207
37.5 255 5.23 0.6507 0.3941
37.5 285 3.135 0.5861 0.3658
52.5 75 7.384 0.8234 0.5458
52.5 105 6.454 0.7293 0.5151
52.5 135 5.846 0.5761 0.4976
52.5 165 5.315 0.4408 0.4973
52.5 195 5.042 0.3995 0.4842
52.5 225 7.613 0.7305 0.551
52.5 255 7.451 0.7549 0.5344
52.5 285 5.648 1.29 0.4924
67.5 45 5.323 1.334 0.5057
67.5 75 6.678 0.5188 0.5236
67.5 105 9.574 0.8316 0.5792
67.5 135 6.608 0.63 0.5532
67.5 165 5.45 0.4831 0.5127
67.5 195 5.148 0.4451 0.5118
67.5 225 6.685 0.652 0.5328
67.5 255 8.1 0.7496 0.5517
67.5 285 7.816 0.5614 0.5739
67.5 315 3.515 0.496 0.4795
82.5 45 5.58 0.7089 0.501
82.5 75 8.453 0.509 0.5736
82.5 105 9.612 0.6995 0.6049
82.5 135 6.971 0.7043 0.5586
82.5 165 5.237 0.5043 0.5063
82.5 195 5.443 0.5347 0.5237
82.5 225 6.157 0.6943 0.5282
82.5 255 9.492 0.694 0.5978
82.5 285 8.48 0.5361 0.5746
82.5 315 5.029 0.5017 0.51
97.5 15 3.34 1.315 0.462
97.5 45 5.503 0.6546 0.505
97.5 75 7.941 0.5458 0.5292
97.5 105 9.247 0.6805 0.5586
97.5 135 7.899 0.7172 0.5463
97.5 165 4.715 0.417 0.4745
97.5 195 4.273 0.3614 0.4683
97.5 225 7.43 0.7204 0.5333
97.5 255 7.867 0.5389 0.5414
97.5 285 8.115 0.5858 0.5428
97.5 315 5.024 0.5976 0.4785
112.5 15 4.113 0.796 0.4645
112.5 45 5.784 0.5417 0.4787
112.5 75 8.115 0.7734 0.5658
112.5 105 7.297 0.5108 0.5418
112.5 135 6.703 0.6296 0.5372
112.5 165 2.889 0.3491 0.4476
112.5 195 3.935 0.5031 0.473
112.5 225 7.809 0.7291 0.5624
112.5 255 7.342 0.4906 0.5285
112.5 285 8.339 0.7774 0.5464
112.5 315 6.259 0.6147 0.5047
112.5 345 3.7 0.8849 0.4639
127.5 15 4.413 1.749 0.5055
127.5 45 5.375 0.5384 0.5242
127.5 75 7.484 0.8868 0.5598
127.5 105 7.06 0.5827 0.5522
127.5 135 5.847 0.7261 0.5343
127.5 165 5.337 1.32 0.5219
127.5 195 4.313 0.6628 0.511
127.5 225 5.644 0.8562 0.524
127.5 255 7.697 0.6291 0.5533
127.5 285 6.452 0.767 0.5287
127.5 315 4.9 0.5696 0.5125
127.5 345 4.475 1.325 0.504
142.5 15 5.337 1.471 1.211
142.5 45 6.631 1.098 1.232
142.5 75 8.109 2.001 1.264
142.5 105 6.995 1.464 1.239
142.5 255 10.49 2.403 1.357
142.5 285 7.55 1.672 1.259
142.5 315 8.135 1.235 1.237
142.5 345 5.33 1.805 1.227