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Measurement E8M55

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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 : 1.24 — 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 8.003 1.34 2.088
7.5 45 10.75 2.341 2.092
7.5 345 10.39 2.424 2.141
22.5 15 10.65 0.9819 0.8808
22.5 45 12.7 1.508 0.9061
22.5 135 11.42 0.7967 0.9126
22.5 165 11.86 0.7598 0.8836
22.5 195 11.54 0.7529 0.9081
22.5 225 11.78 0.8349 0.9012
22.5 315 11.85 1.601 0.8837
22.5 345 11.68 1.141 0.9019
37.5 15 10.29 2.007 0.8928
37.5 45 9.22 1.559 0.8528
37.5 105 12.67 0.9905 0.8987
37.5 135 11.91 0.7204 0.8834
37.5 165 11.66 0.5552 0.9092
37.5 195 11.34 0.5442 0.876
37.5 225 10.83 0.663 0.8785
37.5 255 12.19 1.014 0.9101
37.5 315 8.734 1.406 0.8721
37.5 345 9.561 1.909 0.8753
52.5 45 11.08 0.9694 0.8397
52.5 75 13.9 4.049 0.8568
52.5 105 12.91 0.7488 0.9085
52.5 135 12.42 0.7004 0.8741
52.5 165 10.07 0.4793 0.8414
52.5 195 10.68 0.5084 0.846
52.5 225 12.26 0.7147 0.8872
52.5 255 12.91 0.7207 0.8832
52.5 285 11.97 1.479 0.869
52.5 315 10.94 0.9204 0.8575
67.5 45 9.435 1.506 0.8134
67.5 75 11.74 0.4994 0.8534
67.5 105 12.34 0.6063 0.8737
67.5 135 11.82 0.6806 0.8479
67.5 165 8.672 0.4304 0.8076
67.5 195 8.558 0.4133 0.7992
67.5 225 11.44 0.6615 0.8696
67.5 255 12.69 0.5817 0.9004
67.5 285 11.77 0.4934 0.8626
67.5 315 10.47 2.009 0.822
82.5 15 6.552 1.894 0.7064
82.5 45 9.419 1.349 0.7506
82.5 75 10.46 0.4611 0.7584
82.5 105 12.53 0.5269 0.8122
82.5 135 10.76 0.6708 0.7665
82.5 165 7.611 0.4302 0.7014
82.5 195 7.768 0.4332 0.7049
82.5 225 10.27 0.6699 0.7602
82.5 255 12.54 0.5108 0.8185
82.5 285 10.89 0.4459 0.7645
82.5 315 8.915 3.532 0.6832
97.5 15 3.884 0.8972 0.5641
97.5 45 7.805 0.462 0.6322
97.5 75 11.32 0.6106 0.6971
97.5 105 11.16 0.485 0.7091
97.5 135 8.105 0.4786 0.6488
97.5 165 6.819 0.3675 0.6139
97.5 195 6.521 0.3525 0.6199
97.5 225 8.707 0.5249 0.6602
97.5 255 10.78 0.4806 0.6975
97.5 285 10.07 0.5297 0.675
97.5 315 7.481 0.4349 0.6229
97.5 345 4.05 1.304 0.5682
112.5 15 4.77 0.6148 0.4913
112.5 45 6.743 0.3749 0.5378
112.5 75 9.19 0.61 0.6058
112.5 105 8.352 0.4027 0.5673
112.5 135 7.129 0.4699 0.5636
112.5 165 5.939 0.4584 0.5161
112.5 195 5.705 0.4263 0.5032
112.5 225 6.725 0.4513 0.5358
112.5 255 9.479 0.4391 0.5978
112.5 285 9.102 0.6001 0.6039
112.5 315 7.016 0.3895 0.5267
112.5 345 4.247 0.5983 0.4899
127.5 15 4.167 0.4216 0.4118
127.5 45 5.376 0.3631 0.4334
127.5 75 6.619 0.4878 0.4697
127.5 105 6.837 0.4382 0.467
127.5 135 4.915 0.4198 0.4319
127.5 165 3.979 0.6239 0.4083
127.5 195 4.371 0.7335 0.4178
127.5 225 5.619 0.4861 0.4564
127.5 255 6.502 0.435 0.4643
127.5 285 6.899 0.4799 0.4862
127.5 315 5.856 0.412 0.4381
127.5 345 4.874 0.4838 0.4204
142.5 15 4.039 0.451 0.3594
142.5 45 4.601 0.4176 0.3904
142.5 75 5.077 0.4092 0.3942
142.5 105 5.229 0.7268 0.3822
142.5 255 4.403 0.569 0.3687
142.5 285 5.975 0.4921 0.3972
142.5 315 4.59 0.4332 0.383
142.5 345 4.75 0.506 0.3712
157.5 15 4.273 0.7988 0.7301
157.5 45 2.887 0.8475 0.7149
157.5 75 5.804 1.526 0.2375
157.5 315 3.438 1.295 0.7101
157.5 345 4.075 0.7227 0.7253