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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
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 | 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 |