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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 : | 1.34 — 1.36 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 | 10.8 | 1.039 | 0.9921 |
7.5 | 45 | 13.69 | 1.574 | 1.072 |
7.5 | 75 | 16.16 | 1.768 | 1.004 |
7.5 | 105 | 14.57 | 1.61 | 0.9936 |
7.5 | 135 | 15.09 | 2.207 | 0.9942 |
7.5 | 165 | 15.47 | 1.885 | 1.043 |
7.5 | 195 | 12.43 | 1.548 | 0.9691 |
7.5 | 225 | 10.36 | 1.111 | 1.054 |
7.5 | 255 | 10.44 | 1.205 | 0.9952 |
7.5 | 285 | 14.38 | 1.641 | 0.9535 |
7.5 | 315 | 12.7 | 1.502 | 1.004 |
7.5 | 345 | 12.81 | 1.283 | 1.005 |
22.5 | 15 | 13.4 | 1.106 | 1.037 |
22.5 | 45 | 10.49 | 2.042 | 0.9923 |
22.5 | 75 | 17.58 | 2.103 | 1.171 |
22.5 | 105 | 10.8 | 1.329 | 0.9989 |
22.5 | 255 | 13.6 | 1.944 | 1.039 |
22.5 | 285 | 8.961 | 1.262 | 0.9777 |
22.5 | 315 | 13.68 | 3.224 | 1.052 |
22.5 | 345 | 11.99 | 1.284 | 1.038 |
37.5 | 45 | 9.203 | 0.9251 | 0.8733 |
37.5 | 75 | 11.06 | 0.9665 | 0.8789 |
37.5 | 135 | 7.2 | 0.5419 | 0.8414 |
37.5 | 165 | 6.401 | 0.3566 | 0.8179 |
37.5 | 195 | 6.326 | 0.3602 | 0.8153 |
37.5 | 225 | 8.81 | 0.9888 | 0.8408 |
37.5 | 285 | 9.52 | 0.8092 | 0.8728 |
37.5 | 315 | 11.07 | 1.203 | 0.8935 |
52.5 | 45 | 5.967 | 0.4872 | 0.5195 |
52.5 | 105 | 7.822 | 0.5193 | 0.5824 |
52.5 | 135 | 6.464 | 0.4456 | 0.5216 |
52.5 | 165 | 4.791 | 0.2593 | 0.4905 |
52.5 | 195 | 5.197 | 0.2757 | 0.4989 |
52.5 | 225 | 6.258 | 0.4303 | 0.5191 |
52.5 | 255 | 8.709 | 0.7751 | 0.5448 |
52.5 | 315 | 6.067 | 0.4001 | 0.5113 |
67.5 | 45 | 5.574 | 1.015 | 0.4727 |
67.5 | 75 | 7.009 | 1.066 | 0.4686 |
67.5 | 105 | 6.18 | 0.319 | 0.4518 |
67.5 | 135 | 5.318 | 0.3845 | 0.4436 |
67.5 | 165 | 3.691 | 0.2001 | 0.4018 |
67.5 | 195 | 3.734 | 0.2121 | 0.4054 |
67.5 | 225 | 5.473 | 0.4094 | 0.4357 |
67.5 | 255 | 6.605 | 0.3035 | 0.4689 |
67.5 | 285 | 6.695 | 0.9458 | 0.4511 |
67.5 | 315 | 5.334 | 0.7524 | 0.4283 |
82.5 | 15 | 2.308 | 0.7518 | 0.2862 |
82.5 | 45 | 3.476 | 0.6004 | 0.3205 |
82.5 | 75 | 4.552 | 0.2874 | 0.3399 |
82.5 | 105 | 5.407 | 0.2948 | 0.3525 |
82.5 | 135 | 4.576 | 0.3441 | 0.3421 |
82.5 | 165 | 3.051 | 0.2286 | 0.3011 |
82.5 | 195 | 2.912 | 0.2184 | 0.2967 |
82.5 | 225 | 3.887 | 0.3216 | 0.3282 |
82.5 | 255 | 4.749 | 0.2337 | 0.3427 |
82.5 | 285 | 4.613 | 0.2742 | 0.3427 |
82.5 | 315 | 4.159 | 1.286 | 0.3245 |
82.5 | 345 | 1.821 | 0.4612 | 0.2715 |
97.5 | 45 | 2.01 | 0.1503 | 0.2116 |
97.5 | 75 | 3.196 | 0.2667 | 0.2358 |
97.5 | 105 | 4.015 | 0.2489 | 0.2774 |
97.5 | 135 | 3.068 | 0.247 | 0.2337 |
97.5 | 165 | 2.799 | 0.2094 | 0.2431 |
97.5 | 195 | 2.321 | 0.1598 | 0.2185 |
97.5 | 225 | 3.268 | 0.2789 | 0.2513 |
97.5 | 255 | 3.635 | 0.2022 | 0.2668 |
97.5 | 285 | 3.708 | 0.3185 | 0.2683 |
97.5 | 315 | 2.154 | 0.1685 | 0.2138 |
97.5 | 345 | 1.111 | 0.4308 | 0.1921 |
112.5 | 15 | 0.7354 | 0.1226 | 0.1609 |
112.5 | 45 | 1.572 | 0.1497 | 0.1753 |
112.5 | 75 | 2.68 | 0.2937 | 0.2068 |
112.5 | 105 | 2.507 | 0.1805 | 0.2068 |
112.5 | 135 | 2.194 | 0.2008 | 0.1937 |
112.5 | 165 | 1.926 | 0.197 | 0.1983 |
112.5 | 195 | 1.8 | 0.1795 | 0.1832 |
112.5 | 225 | 2.375 | 0.2142 | 0.208 |
112.5 | 255 | 2.433 | 0.1678 | 0.2063 |
112.5 | 285 | 2.195 | 0.2368 | 0.1962 |
112.5 | 315 | 1.257 | 0.1392 | 0.1656 |
112.5 | 345 | 0.7609 | 0.1322 | 0.1583 |
127.5 | 15 | 0.3131 | 0.07581 | 0.06549 |
127.5 | 45 | 0.8332 | 0.1043 | 0.1569 |
127.5 | 75 | 1.121 | 0.1333 | 0.1681 |
127.5 | 105 | 1.383 | 0.1588 | 0.1692 |
127.5 | 135 | 1.593 | 0.2623 | 0.1784 |
127.5 | 165 | 1.304 | 0.2347 | 0.181 |
127.5 | 195 | 1.178 | 0.3277 | 0.1703 |
127.5 | 225 | 1.388 | 0.1808 | 0.1779 |
127.5 | 255 | 1.563 | 0.171 | 0.1816 |
127.5 | 285 | 1.199 | 0.1457 | 0.166 |
127.5 | 315 | 0.8924 | 0.1369 | 0.1642 |
127.5 | 345 | 0.698 | 0.191 | 0.1563 |
142.5 | 15 | 0.3661 | 0.07513 | 0.2679 |
142.5 | 45 | 0.4032 | 0.08989 | 0.0463 |
142.5 | 75 | 1.016 | 0.202 | 0.2834 |
142.5 | 105 | 1.267 | 0.4417 | 0.3039 |
142.5 | 255 | 0.9128 | 0.2772 | 0.2766 |
142.5 | 285 | 0.8608 | 0.1666 | 0.2727 |
142.5 | 315 | 0.588 | 0.1164 | 0.2694 |
142.5 | 345 | 0.304 | 0.1961 | 0.04427 |
157.5 | 15 | 0.5239 | 0.1847 | 0.1772 |
157.5 | 345 | 0.3951 | 0.1411 | 0.04357 |