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Measurement E8M32

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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 : 0.35 — 0.45 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
7.5 135 11.42 1.868 1.143
7.5 165 8.204 1.01 1.085
7.5 195 8.712 0.9659 1.184
22.5 15 12.71 0.9713 1.319
22.5 45 12.8 1.668 1.278
22.5 105 14.02 1.19 1.292
22.5 135 13.93 0.8177 1.287
22.5 165 12.96 0.7403 1.294
22.5 195 13.01 0.7447 1.279
22.5 225 13.82 0.8261 1.297
22.5 255 12.49 1.054 1.28
22.5 315 13.88 1.944 1.294
22.5 345 14.04 1.167 1.284
37.5 15 12.44 2.996 1.282
37.5 45 10.8 1.504 1.26
37.5 105 12.72 0.9844 1.294
37.5 135 12.74 0.6654 1.295
37.5 165 12.32 0.5575 1.271
37.5 195 13.35 0.6046 1.304
37.5 225 14.3 0.7263 1.309
37.5 255 14.03 1.116 1.313
37.5 315 12.09 2.701 1.304
52.5 45 11.38 1.18 0.9391
52.5 75 13.94 1.93 0.9725
52.5 105 14.95 0.7932 1.017
52.5 135 13.13 0.7428 0.958
52.5 165 11.21 0.4879 0.9297
52.5 195 10.75 0.4707 0.9197
52.5 225 14.19 0.8024 0.981
52.5 255 14.9 0.8635 1.014
52.5 285 15.09 1.324 0.9857
52.5 315 13.44 1.806 0.963
67.5 45 10.59 1.96 0.9091
67.5 75 13.8 0.5185 0.9703
67.5 105 15.25 0.6651 0.9825
67.5 135 14.44 0.8929 0.9674
67.5 165 9.376 0.4677 0.8662
67.5 195 10.24 0.5124 0.8872
67.5 225 12.27 0.7635 0.9245
67.5 255 14.56 0.6079 0.9916
67.5 285 15.19 0.5378 0.9958
67.5 315 10.08 1.283 0.8703
82.5 45 8.724 0.757 0.786
82.5 75 14.43 0.5783 0.9027
82.5 105 13.61 0.5344 0.8969
82.5 135 12.86 0.769 0.8957
82.5 165 8.935 0.4325 0.7999
82.5 195 8.622 0.446 0.8106
82.5 225 12.64 0.7766 0.9063
82.5 255 14.09 0.5095 0.9113
82.5 285 14 0.557 0.9199
82.5 315 8.211 0.8018 0.8329
97.5 15 5.237 0.6706 0.6839
97.5 45 8.607 0.452 0.7385
97.5 75 13.28 0.708 0.8162
97.5 105 14.02 0.5428 0.8492
97.5 135 10.5 0.5381 0.7777
97.5 165 7.045 0.3771 0.7041
97.5 195 7.156 0.3966 0.7135
97.5 225 12.08 0.7112 0.826
97.5 255 13.55 0.5036 0.8581
97.5 285 13.04 0.6529 0.8336
97.5 315 9.072 0.4805 0.7385
97.5 345 5.125 0.5426 0.6779
112.5 15 5.1 0.4393 0.6166
112.5 45 8.528 0.4047 0.6884
112.5 75 12.16 0.7293 0.7749
112.5 105 11.22 0.4643 0.7546
112.5 135 9.389 0.6706 0.7172
112.5 165 6.473 0.4839 0.6394
112.5 195 5.87 0.4385 0.6356
112.5 225 8.281 0.5299 0.6753
112.5 255 11.43 0.451 0.7568
112.5 285 10.84 0.6549 0.7174
112.5 315 8.007 0.4244 0.6582
112.5 345 5.727 0.4854 0.6332
127.5 15 5.342 0.5162 0.5531
127.5 45 6.732 0.4214 0.5726
127.5 75 7.684 0.4927 0.5871
127.5 105 9.51 0.6009 0.6305
127.5 135 6.206 0.4615 0.5803
127.5 165 6.087 2.304 0.5512
127.5 195 4.825 0.6478 0.5378
127.5 225 6.22 0.4696 0.5844
127.5 255 8.234 0.5047 0.6203
127.5 285 9.226 0.5454 0.6308
127.5 315 7.162 0.4583 0.595
127.5 345 5.841 0.5615 0.5496
142.5 15 3.534 0.3768 0.4551
142.5 45 5.611 0.5054 0.497
142.5 75 6.293 0.4239 0.4936
142.5 105 5.032 0.8821 0.4859
142.5 255 9.286 1.829 0.5996
142.5 285 6.987 0.5369 0.5193
142.5 315 4.943 0.459 0.4743
142.5 345 3.92 0.4071 0.4521
157.5 15 5.076 0.7831 0.5953
157.5 45 6.409 1.962 0.607
157.5 315 4.508 0.9989 0.2939
157.5 345 4.272 0.5668 0.5977