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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
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 | 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 |