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Measurement E8M74

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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 : 1.2 — 1.22 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
7.5 195 4.564 1.125 0.5587
22.5 15 5.204 1.168 1.158
22.5 105 10.01 2.249 1.219
22.5 135 8.308 0.899 1.185
22.5 165 8.473 0.8176 1.187
22.5 195 10.76 1.175 1.234
22.5 225 8.609 0.8507 1.214
22.5 255 9.889 2.728 1.173
22.5 315 3.717 1.928 1.181
22.5 345 5.314 1.243 1.168
37.5 15 6.489 1.37 0.7197
37.5 45 4.876 1.825 0.7117
37.5 75 7.807 3.471 0.7515
37.5 105 7.795 0.8542 0.6999
37.5 135 9.395 0.7447 0.732
37.5 165 8.329 0.5883 0.7309
37.5 195 8.125 0.5805 0.7272
37.5 225 8.388 0.6855 0.7275
37.5 255 9.111 0.9303 0.739
37.5 345 8.269 2.489 0.7232
52.5 45 6.226 1.088 0.7019
52.5 75 11.12 2.634 0.7347
52.5 105 13.03 1.021 0.8053
52.5 135 9.317 0.749 0.7401
52.5 165 8.954 0.5742 0.7254
52.5 195 7.713 0.4994 0.7149
52.5 225 10.68 0.7919 0.7737
52.5 255 12.43 0.9393 0.8236
52.5 285 10.24 1.133 0.7556
52.5 315 8.126 1.531 0.7319
67.5 45 8.592 1.414 0.7876
67.5 75 11.76 0.6447 0.8332
67.5 105 14.81 0.9142 0.8875
67.5 135 11.08 0.802 0.8288
67.5 165 8.824 0.5515 0.7673
67.5 195 8.833 0.5565 0.7664
67.5 225 11.82 0.8578 0.822
67.5 255 12.7 0.8017 0.8296
67.5 285 12.86 0.6609 0.8229
67.5 315 9.356 1.764 0.7686
82.5 45 10.93 1.506 0.8378
82.5 75 13.34 0.6374 0.8935
82.5 105 15.2 0.8088 0.9689
82.5 135 12.14 0.9402 0.8757
82.5 165 7.531 0.5812 0.7828
82.5 195 7.771 0.5665 0.8053
82.5 225 12.51 0.9662 0.8853
82.5 255 12.87 0.7228 0.8782
82.5 285 13.45 0.6711 0.8782
82.5 315 8.473 1.261 0.81
97.5 15 5.986 0.824 0.7213
97.5 45 11.64 0.8949 0.8232
97.5 75 13.84 0.7766 0.8562
97.5 105 14.7 0.7958 0.8846
97.5 135 10.21 0.7802 0.798
97.5 165 7.647 0.5221 0.7645
97.5 195 8.025 0.5255 0.7627
97.5 225 12.51 0.9357 0.852
97.5 255 13.34 0.7087 0.855
97.5 285 13.6 0.7804 0.8788
97.5 315 8.822 0.6929 0.7721
97.5 345 8.698 3.254 0.7876
112.5 15 6.116 0.7854 0.6797
112.5 45 10.55 0.6924 0.7814
112.5 75 12.49 0.9231 0.7967
112.5 105 12.19 0.7031 0.8048
112.5 135 11.06 0.8405 0.754
112.5 165 6.321 0.5903 0.6935
112.5 195 5.632 0.5199 0.6766
112.5 225 9.496 0.6912 0.7386
112.5 255 12.87 0.6683 0.8226
112.5 285 12.4 0.9229 0.794
112.5 315 11.69 0.7376 0.7947
112.5 345 5.927 2.192 0.6639
127.5 15 6.288 0.9245 0.6786
127.5 45 9.685 0.7674 0.7348
127.5 75 11.3 0.9068 0.776
127.5 105 10.78 0.8217 0.7547
127.5 135 7.882 0.7416 0.7035
127.5 165 5.907 0.7142 0.6762
127.5 195 5.07 0.6037 0.6499
127.5 225 8.272 0.7958 0.7249
127.5 255 10.8 0.7514 0.7789
127.5 285 12.47 1.053 0.8041
127.5 315 9.622 0.7558 0.7492
127.5 345 7.436 1.249 0.6877
142.5 15 4.522 0.6748 0.6045
142.5 45 8.304 0.9981 0.6571
142.5 75 9.296 0.8946 0.6698
142.5 105 9.758 1.517 0.7415
142.5 255 8.519 1.017 0.6697
142.5 285 8.01 0.8757 0.6742
142.5 315 9.209 0.9029 0.6711
142.5 345 6.979 1.039 0.6575
157.5 15 6.369 1.47 1.005
157.5 45 12.39 4.444 0.5602
157.5 75 11.4 3.122 1.077
157.5 315 9.634 4.74 1.009
157.5 345 8.507 1.973 1.055