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Measurement E8M76

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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 : 1.24 — 1.26 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 15 5.232 1.478 0.8737
7.5 75 15.39 5.162 1.066
7.5 285 16.42 5.969 0.9962
7.5 315 10.42 2.792 0.9612
7.5 345 9.052 2.161 0.9405
22.5 15 10.66 1.48 1.276
22.5 45 14.71 3.842 1.277
22.5 75 17.21 9.192 1.251
22.5 135 12.27 3.361 1.243
22.5 165 11.64 1.187 1.268
22.5 195 9.376 0.9015 1.232
22.5 225 7.769 1.041 1.229
22.5 315 8.02 1.614 1.23
22.5 345 11.41 1.499 1.264
37.5 15 8.712 1.757 0.7858
37.5 45 16.42 7.473 0.8013
37.5 105 14.73 5.658 0.8131
37.5 135 10.17 0.7808 0.8214
37.5 165 8.535 0.5665 0.7965
37.5 195 8.111 0.5501 0.7752
37.5 225 9.351 0.7244 0.8357
37.5 255 10.23 1.391 0.8258
37.5 315 11.98 2.755 0.8266
37.5 345 11.53 2.409 0.8304
52.5 45 10.21 1.085 0.7711
52.5 75 7.646 1.267 0.7721
52.5 105 9.948 0.8337 0.7747
52.5 135 9.989 0.7262 0.779
52.5 165 7.729 0.4904 0.7334
52.5 195 9.179 0.5485 0.7431
52.5 225 9.814 0.7484 0.7589
52.5 255 11.24 0.8034 0.806
52.5 315 9.821 0.9943 0.7528
67.5 45 8.619 1.247 0.6613
67.5 75 8.437 0.5681 0.6861
67.5 105 10.02 0.6403 0.6878
67.5 135 10.03 0.74 0.6742
67.5 165 8.178 0.5144 0.6552
67.5 195 7.925 0.4909 0.6501
67.5 225 9.798 0.716 0.6923
67.5 255 9.226 0.6046 0.6674
67.5 285 9.064 0.7347 0.6828
67.5 315 8.658 1.396 0.6609
82.5 45 7.86 2.497 0.695
82.5 75 9.553 0.5422 0.6984
82.5 105 10.63 0.6075 0.7243
82.5 135 9.365 0.7624 0.6973
82.5 165 6.326 0.5221 0.6433
82.5 195 5.954 0.4923 0.6465
82.5 225 8.543 0.7359 0.6862
82.5 255 10.68 0.601 0.7057
82.5 285 9.322 0.5361 0.7009
82.5 315 5.402 1.236 0.6272
97.5 15 4.533 1.866 0.4602
97.5 45 7.692 0.6311 0.5344
97.5 75 8.498 0.5987 0.5666
97.5 105 9.011 0.5396 0.5598
97.5 135 6.754 0.5988 0.5354
97.5 165 5.759 0.4303 0.4998
97.5 195 5.74 0.409 0.4866
97.5 225 7.469 0.6705 0.5269
97.5 255 9.134 0.5539 0.5642
97.5 285 8.311 0.6008 0.567
97.5 315 5.733 0.4842 0.5044
97.5 345 3.299 0.9067 0.4513
112.5 15 4.618 1.582 0.464
112.5 45 5.089 0.4041 0.492
112.5 75 7.991 0.704 0.5377
112.5 105 7.081 0.5375 0.5316
112.5 135 6.223 0.5157 0.508
112.5 165 4.309 0.465 0.485
112.5 195 4.221 0.4201 0.487
112.5 225 6.747 0.5612 0.5267
112.5 255 7.361 0.4661 0.536
112.5 285 7.466 0.6868 0.5277
112.5 315 5.884 0.4544 0.5171
112.5 345 4.108 0.8473 0.4832
127.5 15 3.691 0.5812 0.4017
127.5 45 5.095 0.4938 0.4361
127.5 75 4.773 0.4642 0.4202
127.5 105 5.477 0.4963 0.4544
127.5 135 5.045 0.6158 0.438
127.5 165 3.463 0.6037 0.4061
127.5 195 3.982 0.5259 0.4055
127.5 225 5.284 0.677 0.4185
127.5 255 7.02 0.584 0.4997
127.5 285 6.002 0.5562 0.4516
127.5 315 5.366 0.5225 0.4404
127.5 345 3.617 0.5223 0.4113
142.5 15 3.434 0.5203 0.3865
142.5 45 4.698 0.6237 0.4303
142.5 75 4.291 0.4636 0.3981
142.5 105 4.926 0.8726 0.4081
142.5 225 4.523 1.266 0.4197
142.5 255 3.791 0.5873 0.3976
142.5 285 4.265 0.5391 0.4132
142.5 315 4.273 0.5981 0.4123
142.5 345 3.636 0.5726 0.3964
157.5 15 3.438 0.8565 0.5512
157.5 45 2.2 0.6273 0.1832
157.5 285 3.515 0.9996 0.5523
157.5 345 3.478 1.136 0.5741