Measurement E8M6
| Experiment: | E89-038 CLAS experiment | |
|---|---|---|
| Year: | 1999 | |
| Spokespersons: | V. Burkert, R. Minehart | |
| Reaction: | ep → π+n | |
| Polarization: | none | |
| Quantity: | dσ/dΩ | |
| Q2: | 0.25 — 0.35 GeV2 | |
| W: | 1.2 — 1.22 GeV | |
| Ebeam: | 1.515 GeV | |
| Publication: |
under preparation //
|
|
| θπ, [deg] | φπ, [deg] | dσ/dΩ, [μb/sr] | uncertainty |
|---|---|---|---|
| 7.5 | 15.0 | 13.81 | 2.385 |
| 7.5 | 45.0 | 14.17 | 1.887 |
| 7.5 | 75.0 | 13.59 | 1.394 |
| 7.5 | 105.0 | 14.06 | 1.469 |
| 7.5 | 135.0 | 13.26 | 1.285 |
| 7.5 | 165.0 | 14.43 | 1.315 |
| 7.5 | 195.0 | 16.42 | 1.624 |
| 7.5 | 225.0 | 14.37 | 1.436 |
| 7.5 | 255.0 | 10.64 | 1.181 |
| 7.5 | 285.0 | 12.96 | 1.408 |
| 7.5 | 315.0 | 16.62 | 2.23 |
| 7.5 | 345.0 | 8.872 | 1.609 |
| 22.5 | 15.0 | 11.03 | 3.812 |
| 22.5 | 45.0 | 14.46 | 2.966 |
| 22.5 | 75.0 | 14.43 | 1.285 |
| 22.5 | 105.0 | 14.91 | 0.9463 |
| 22.5 | 135.0 | 15.77 | 0.8148 |
| 22.5 | 165.0 | 16.2 | 0.8441 |
| 22.5 | 195.0 | 16.27 | 0.8343 |
| 22.5 | 225.0 | 14.36 | 0.7679 |
| 22.5 | 255.0 | 14.56 | 0.9529 |
| 22.5 | 285.0 | 13.87 | 1.314 |
| 22.5 | 315.0 | 8.842 | 2.668 |
| 22.5 | 345.0 | 9.716 | 2.494 |
| 37.5 | 15.0 | 6.123 | 1.273 |
| 37.5 | 75.0 | 12.23 | 1.571 |
| 37.5 | 105.0 | 20.56 | 2.065 |
| 37.5 | 135.0 | 19.27 | 0.9268 |
| 37.5 | 165.0 | 18.14 | 0.7343 |
| 37.5 | 195.0 | 16.78 | 0.7038 |
| 37.5 | 225.0 | 18.26 | 0.899 |
| 37.5 | 255.0 | 17.58 | 2.249 |
| 52.5 | 45.0 | 11.31 | 1.235 |
| 52.5 | 75.0 | 17.11 | 0.6818 |
| 52.5 | 105.0 | 21.92 | 1.48 |
| 52.5 | 135.0 | 18.88 | 1.189 |
| 52.5 | 165.0 | 16.03 | 0.6649 |
| 52.5 | 195.0 | 15.78 | 0.663 |
| 52.5 | 225.0 | 19.16 | 1.103 |
| 52.5 | 255.0 | 21.58 | 1.429 |
| 52.5 | 285.0 | 18.96 | 0.7146 |
| 52.5 | 315.0 | 11.36 | 1.329 |
| 67.5 | 45.0 | 13.61 | 0.991 |
| 67.5 | 75.0 | 22.04 | 0.6969 |
| 67.5 | 105.0 | 24.41 | 0.8792 |
| 67.5 | 135.0 | 20.6 | 1.455 |
| 67.5 | 165.0 | 15.91 | 0.6687 |
| 67.5 | 195.0 | 16.35 | 0.6988 |
| 67.5 | 225.0 | 24.88 | 2.286 |
| 67.5 | 255.0 | 24.33 | 0.8341 |
| 67.5 | 285.0 | 21.9 | 0.7145 |
| 67.5 | 315.0 | 15.14 | 1.394 |
| 82.5 | 45.0 | 16.55 | 1.453 |
| 82.5 | 75.0 | 24.08 | 0.7822 |
| 82.5 | 105.0 | 26.98 | 0.8499 |
| 82.5 | 135.0 | 19.93 | 1.154 |
| 82.5 | 165.0 | 13.68 | 0.5086 |
| 82.5 | 195.0 | 13.11 | 0.5008 |
| 82.5 | 225.0 | 19.64 | 1.088 |
| 82.5 | 255.0 | 26.47 | 0.7908 |
| 82.5 | 285.0 | 23.86 | 0.7733 |
| 82.5 | 315.0 | 16.78 | 2.279 |
| 97.5 | 15.0 | 9.842 | 1.14 |
| 97.5 | 45.0 | 17.36 | 0.8643 |
| 97.5 | 75.0 | 24.18 | 1.19 |
| 97.5 | 105.0 | 24.76 | 0.7439 |
| 97.5 | 135.0 | 18.51 | 0.9731 |
| 97.5 | 165.0 | 12.67 | 0.6219 |
| 97.5 | 195.0 | 11.68 | 0.6002 |
| 97.5 | 225.0 | 18.54 | 1.077 |
| 97.5 | 255.0 | 23.94 | 0.7007 |
| 97.5 | 285.0 | 23.64 | 1.076 |
| 97.5 | 315.0 | 15.52 | 0.676 |
| 97.5 | 345.0 | 11.03 | 1.051 |
| 112.5 | 15.0 | 8.501 | 0.7105 |
| 112.5 | 45.0 | 16.65 | 0.6355 |
| 112.5 | 75.0 | 20.19 | 1.088 |
| 112.5 | 105.0 | 22.51 | 0.754 |
| 112.5 | 135.0 | 17.3 | 0.96 |
| 112.5 | 165.0 | 11.51 | 0.9715 |
| 112.5 | 195.0 | 9.733 | 0.8052 |
| 112.5 | 225.0 | 17.16 | 0.9707 |
| 112.5 | 255.0 | 22.14 | 0.6953 |
| 112.5 | 285.0 | 22.17 | 1.26 |
| 112.5 | 315.0 | 16.61 | 0.7041 |
| 112.5 | 345.0 | 9.387 | 0.6594 |
| 127.5 | 15.0 | 11.38 | 0.9261 |
| 127.5 | 45.0 | 15.6 | 0.7123 |
| 127.5 | 75.0 | 19.02 | 1.05 |
| 127.5 | 105.0 | 17.79 | 0.9621 |
| 127.5 | 135.0 | 13.92 | 1.674 |
| 127.5 | 225.0 | 16.4 | 1.29 |
| 127.5 | 255.0 | 20.67 | 1.637 |
| 127.5 | 285.0 | 20.21 | 1.173 |
| 127.5 | 315.0 | 14.71 | 0.6976 |
| 127.5 | 345.0 | 11.53 | 1.402 |
| 142.5 | 15.0 | 9.466 | 0.8197 |
| 142.5 | 45.0 | 12.91 | 1.031 |
| 142.5 | 75.0 | 16.07 | 0.7684 |
| 142.5 | 285.0 | 16.53 | 0.8681 |
| 142.5 | 315.0 | 12.49 | 1.001 |
| 142.5 | 345.0 | 10.97 | 0.871 |
| 157.5 | 15.0 | 10.53 | 1.069 |
| 157.5 | 45.0 | 15.6 | 5.193 |
| 157.5 | 345.0 | 13.01 | 1.174 |
Measurement comment:
Experiment comment: