Measurement E8M73
| Experiment: | E89-038 CLAS experiment | |
|---|---|---|
| Year: | 1999 | |
| Spokespersons: | V. Burkert, R. Minehart | |
| Reaction: | ep → π+n | |
| Polarization: | none | |
| Quantity: | dσ/dΩ | |
| Q2: | 0.55 — 0.65 GeV2 | |
| W: | 1.18 — 1.2 GeV | |
| Ebeam: | 1.515 GeV | |
| Publication: |
under preparation //
|
|
| θπ, [deg] | φπ, [deg] | dσ/dΩ, [μb/sr] | uncertainty |
|---|---|---|---|
| 7.5 | 105.0 | 5.146 | 1.621 |
| 7.5 | 135.0 | 6.831 | 1.935 |
| 7.5 | 165.0 | 3.526 | 0.954 |
| 7.5 | 195.0 | 4.484 | 1.136 |
| 7.5 | 225.0 | 7.599 | 1.873 |
| 22.5 | 15.0 | 2.202 | 0.7917 |
| 22.5 | 75.0 | 5.692 | 1.993 |
| 22.5 | 105.0 | 4.84 | 0.859 |
| 22.5 | 135.0 | 7.187 | 0.913 |
| 22.5 | 165.0 | 4.895 | 0.5448 |
| 22.5 | 195.0 | 5.262 | 0.771 |
| 22.5 | 225.0 | 4.842 | 0.5839 |
| 22.5 | 255.0 | 6.741 | 0.9194 |
| 22.5 | 345.0 | 4.963 | 2.785 |
| 37.5 | 15.0 | 4.873 | 2.246 |
| 37.5 | 75.0 | 5.318 | 1.394 |
| 37.5 | 105.0 | 6.196 | 0.7312 |
| 37.5 | 135.0 | 6.992 | 0.6162 |
| 37.5 | 165.0 | 6.679 | 0.5271 |
| 37.5 | 195.0 | 7.027 | 0.5625 |
| 37.5 | 225.0 | 6.774 | 0.6407 |
| 37.5 | 255.0 | 6.369 | 0.7067 |
| 37.5 | 285.0 | 6.021 | 1.892 |
| 37.5 | 345.0 | 3.899 | 1.57 |
| 52.5 | 45.0 | 4.975 | 2.172 |
| 52.5 | 75.0 | 7.613 | 0.809 |
| 52.5 | 105.0 | 8.119 | 0.7076 |
| 52.5 | 135.0 | 8.422 | 0.7069 |
| 52.5 | 165.0 | 7.199 | 0.4886 |
| 52.5 | 195.0 | 6.924 | 0.4801 |
| 52.5 | 225.0 | 9.021 | 0.7569 |
| 52.5 | 255.0 | 9.838 | 0.8772 |
| 52.5 | 285.0 | 7.858 | 0.7862 |
| 52.5 | 315.0 | 5.47 | 2.683 |
| 67.5 | 45.0 | 9.163 | 2.307 |
| 67.5 | 75.0 | 10.01 | 0.6127 |
| 67.5 | 105.0 | 10.81 | 0.7607 |
| 67.5 | 135.0 | 9.416 | 0.7234 |
| 67.5 | 165.0 | 6.914 | 0.4923 |
| 67.5 | 195.0 | 6.876 | 0.51 |
| 67.5 | 225.0 | 9.296 | 0.7304 |
| 67.5 | 255.0 | 11.15 | 0.8094 |
| 67.5 | 285.0 | 10.48 | 0.5972 |
| 67.5 | 315.0 | 8.855 | 2.163 |
| 82.5 | 45.0 | 8.0 | 0.8389 |
| 82.5 | 75.0 | 11.62 | 0.6043 |
| 82.5 | 105.0 | 12.61 | 0.7383 |
| 82.5 | 135.0 | 10.38 | 0.9198 |
| 82.5 | 165.0 | 6.037 | 0.4984 |
| 82.5 | 195.0 | 6.234 | 0.5392 |
| 82.5 | 225.0 | 8.98 | 0.8194 |
| 82.5 | 255.0 | 12.1 | 0.7312 |
| 82.5 | 285.0 | 11.58 | 0.6078 |
| 82.5 | 315.0 | 6.51 | 0.7606 |
| 97.5 | 45.0 | 8.275 | 0.7804 |
| 97.5 | 75.0 | 12.26 | 0.7095 |
| 97.5 | 105.0 | 13.11 | 0.795 |
| 97.5 | 135.0 | 10.18 | 0.7831 |
| 97.5 | 165.0 | 6.329 | 0.4546 |
| 97.5 | 195.0 | 6.363 | 0.4487 |
| 97.5 | 225.0 | 8.185 | 0.6616 |
| 97.5 | 255.0 | 11.99 | 0.6896 |
| 97.5 | 285.0 | 12.93 | 0.7443 |
| 97.5 | 315.0 | 8.045 | 0.7511 |
| 97.5 | 345.0 | 4.959 | 1.303 |
| 112.5 | 15.0 | 4.992 | 0.9007 |
| 112.5 | 45.0 | 8.909 | 0.6881 |
| 112.5 | 75.0 | 11.65 | 0.9922 |
| 112.5 | 105.0 | 10.59 | 0.6089 |
| 112.5 | 135.0 | 8.827 | 0.7075 |
| 112.5 | 165.0 | 5.275 | 0.5727 |
| 112.5 | 195.0 | 5.386 | 0.5133 |
| 112.5 | 225.0 | 8.496 | 0.6938 |
| 112.5 | 255.0 | 10.69 | 0.5936 |
| 112.5 | 285.0 | 11.18 | 0.8738 |
| 112.5 | 315.0 | 8.311 | 0.6376 |
| 112.5 | 345.0 | 4.982 | 1.258 |
| 127.5 | 15.0 | 4.586 | 1.097 |
| 127.5 | 45.0 | 8.312 | 0.6911 |
| 127.5 | 75.0 | 9.809 | 0.9123 |
| 127.5 | 105.0 | 8.522 | 0.6247 |
| 127.5 | 135.0 | 7.447 | 0.8004 |
| 127.5 | 165.0 | 6.627 | 1.144 |
| 127.5 | 195.0 | 4.94 | 0.7118 |
| 127.5 | 225.0 | 7.509 | 0.8127 |
| 127.5 | 255.0 | 11.37 | 0.8342 |
| 127.5 | 285.0 | 8.732 | 0.7966 |
| 127.5 | 315.0 | 8.827 | 0.7619 |
| 127.5 | 345.0 | 6.028 | 1.525 |
| 142.5 | 15.0 | 5.884 | 1.02 |
| 142.5 | 45.0 | 9.399 | 1.229 |
| 142.5 | 75.0 | 7.712 | 0.8934 |
| 142.5 | 105.0 | 7.141 | 0.9663 |
| 142.5 | 225.0 | 5.132 | 2.167 |
| 142.5 | 255.0 | 9.525 | 1.506 |
| 142.5 | 285.0 | 10.29 | 1.261 |
| 142.5 | 315.0 | 6.28 | 0.7619 |
| 142.5 | 345.0 | 6.193 | 1.245 |
| 157.5 | 15.0 | 4.819 | 1.867 |
| 157.5 | 45.0 | 5.906 | 2.618 |
| 157.5 | 285.0 | 8.459 | 2.82 |
| 157.5 | 345.0 | 10.76 | 3.82 |
Measurement comment:
Experiment comment: