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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 : | 1.22 — 1.24 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 | 195 | 10.78 | 1.846 | 1.194 |
7.5 | 225 | 6.473 | 1.139 | 1.036 |
22.5 | 15 | 9.983 | 1.034 | 0.8669 |
22.5 | 45 | 14.36 | 3.592 | 0.9593 |
22.5 | 105 | 11.55 | 1.135 | 0.9119 |
22.5 | 135 | 11.71 | 0.8324 | 0.9203 |
22.5 | 165 | 11.49 | 0.7701 | 0.8926 |
22.5 | 195 | 13.51 | 0.8648 | 0.9397 |
22.5 | 225 | 11.11 | 0.7921 | 0.8919 |
22.5 | 255 | 11.33 | 1.167 | 0.9135 |
22.5 | 315 | 10.28 | 1.945 | 0.8472 |
22.5 | 345 | 8.114 | 0.8677 | 0.8486 |
37.5 | 15 | 9.94 | 1.264 | 0.8385 |
37.5 | 45 | 10.62 | 2.493 | 0.8504 |
37.5 | 75 | 14.32 | 5.797 | 0.8519 |
37.5 | 105 | 12.74 | 1.012 | 0.8847 |
37.5 | 135 | 12.58 | 0.7037 | 0.9099 |
37.5 | 165 | 9.99 | 0.5089 | 0.8393 |
37.5 | 195 | 12.36 | 0.6019 | 0.8868 |
37.5 | 225 | 11.81 | 0.6993 | 0.8921 |
37.5 | 255 | 12.4 | 0.9413 | 0.8985 |
37.5 | 285 | 10.75 | 3.42 | 0.8917 |
37.5 | 315 | 10.86 | 2.544 | 0.9399 |
37.5 | 345 | 9.376 | 2.192 | 0.8487 |
52.5 | 45 | 10.94 | 1.415 | 0.8584 |
52.5 | 75 | 13.2 | 1.023 | 0.9567 |
52.5 | 105 | 13.66 | 0.7736 | 0.9126 |
52.5 | 135 | 12.23 | 0.7396 | 0.8893 |
52.5 | 165 | 10.47 | 0.4894 | 0.8596 |
52.5 | 195 | 10.55 | 0.5063 | 0.8439 |
52.5 | 225 | 13.16 | 0.7447 | 0.9142 |
52.5 | 255 | 13.67 | 0.8054 | 0.9236 |
52.5 | 285 | 13.02 | 1.018 | 0.9063 |
52.5 | 315 | 12.29 | 2.094 | 0.8704 |
67.5 | 45 | 11.38 | 1.733 | 0.9086 |
67.5 | 75 | 13.9 | 0.5589 | 0.9198 |
67.5 | 105 | 14.83 | 0.716 | 0.9349 |
67.5 | 135 | 12.76 | 0.7135 | 0.9113 |
67.5 | 165 | 9.989 | 0.4827 | 0.8313 |
67.5 | 195 | 9.249 | 0.445 | 0.8195 |
67.5 | 225 | 13.12 | 0.7583 | 0.8941 |
67.5 | 255 | 14.59 | 0.6691 | 0.9645 |
67.5 | 285 | 14.29 | 0.5228 | 0.9439 |
67.5 | 315 | 10.8 | 1.385 | 0.8598 |
82.5 | 45 | 9.012 | 1.354 | 0.7945 |
82.5 | 75 | 13.43 | 0.5453 | 0.9016 |
82.5 | 105 | 16.67 | 0.6798 | 0.9737 |
82.5 | 135 | 13.25 | 0.7799 | 0.8954 |
82.5 | 165 | 8.8 | 0.4621 | 0.809 |
82.5 | 195 | 8.781 | 0.4644 | 0.8073 |
82.5 | 225 | 11.81 | 0.719 | 0.8495 |
82.5 | 255 | 15.36 | 0.5952 | 0.9499 |
82.5 | 285 | 13.88 | 0.536 | 0.9041 |
82.5 | 315 | 9.431 | 1.146 | 0.7971 |
97.5 | 15 | 5.18 | 0.5095 | 0.679 |
97.5 | 45 | 9.997 | 0.5578 | 0.7612 |
97.5 | 75 | 14.02 | 0.6886 | 0.8281 |
97.5 | 105 | 15.42 | 0.6144 | 0.8868 |
97.5 | 135 | 10.88 | 0.5917 | 0.7833 |
97.5 | 165 | 6.821 | 0.3881 | 0.7134 |
97.5 | 195 | 8.566 | 0.4435 | 0.7456 |
97.5 | 225 | 11.55 | 0.6455 | 0.8089 |
97.5 | 255 | 15.2 | 0.6209 | 0.8924 |
97.5 | 285 | 14.22 | 0.6554 | 0.8401 |
97.5 | 315 | 10.4 | 0.5823 | 0.7561 |
97.5 | 345 | 5.758 | 0.566 | 0.6871 |
112.5 | 15 | 6.377 | 0.8632 | 0.6748 |
112.5 | 45 | 10.39 | 0.5265 | 0.7452 |
112.5 | 75 | 11.6 | 0.7199 | 0.7967 |
112.5 | 105 | 12.82 | 0.5162 | 0.8052 |
112.5 | 135 | 9.631 | 0.563 | 0.7266 |
112.5 | 165 | 6.92 | 0.4599 | 0.6874 |
112.5 | 195 | 6.547 | 0.4523 | 0.6899 |
112.5 | 225 | 10.1 | 0.6138 | 0.7316 |
112.5 | 255 | 13.05 | 0.5399 | 0.8249 |
112.5 | 285 | 13.87 | 0.8277 | 0.8287 |
112.5 | 315 | 11.02 | 0.5527 | 0.7603 |
112.5 | 345 | 7.084 | 0.8463 | 0.6844 |
127.5 | 15 | 6.356 | 0.5471 | 0.602 |
127.5 | 45 | 8.182 | 0.4696 | 0.6319 |
127.5 | 75 | 10.67 | 0.6385 | 0.6953 |
127.5 | 105 | 9.62 | 0.5375 | 0.6501 |
127.5 | 135 | 8.079 | 0.6202 | 0.6349 |
127.5 | 165 | 4.346 | 0.5524 | 0.5652 |
127.5 | 195 | 5.936 | 0.7696 | 0.5755 |
127.5 | 225 | 8.117 | 0.5819 | 0.6436 |
127.5 | 255 | 10.38 | 0.5918 | 0.699 |
127.5 | 285 | 10.65 | 0.6567 | 0.6796 |
127.5 | 315 | 9.168 | 0.5529 | 0.6548 |
127.5 | 345 | 6.14 | 0.5361 | 0.5842 |
142.5 | 15 | 6.119 | 0.6758 | 0.5919 |
142.5 | 45 | 7.46 | 0.6627 | 0.6293 |
142.5 | 75 | 9.015 | 0.6189 | 0.6628 |
142.5 | 105 | 9.324 | 1.136 | 0.6723 |
142.5 | 255 | 7.692 | 0.8973 | 0.643 |
142.5 | 285 | 9.507 | 0.7077 | 0.6502 |
142.5 | 315 | 7.811 | 0.6298 | 0.6279 |
142.5 | 345 | 4.958 | 0.5367 | 0.5774 |
157.5 | 15 | 8.768 | 2.319 | 1.083 |
157.5 | 45 | 7.14 | 1.721 | 1.038 |
157.5 | 315 | 10.66 | 3.022 | 1.105 |
157.5 | 345 | 8.539 | 1.444 | 1.093 |