Measurement E8M76
| 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: | 1.24 — 1.26 GeV | |
| Ebeam: | 1.515 GeV | |
| Publication: |
under preparation //
|
|
| θπ, [deg] | φπ, [deg] | dσ/dΩ, [μb/sr] | uncertainty |
|---|---|---|---|
| 7.5 | 15.0 | 5.232 | 1.478 |
| 7.5 | 75.0 | 15.39 | 5.162 |
| 7.5 | 285.0 | 16.42 | 5.969 |
| 7.5 | 315.0 | 10.42 | 2.792 |
| 7.5 | 345.0 | 9.052 | 2.161 |
| 22.5 | 15.0 | 10.66 | 1.48 |
| 22.5 | 45.0 | 14.71 | 3.842 |
| 22.5 | 75.0 | 17.21 | 9.192 |
| 22.5 | 135.0 | 12.27 | 3.361 |
| 22.5 | 165.0 | 11.64 | 1.187 |
| 22.5 | 195.0 | 9.376 | 0.9015 |
| 22.5 | 225.0 | 7.769 | 1.041 |
| 22.5 | 315.0 | 8.02 | 1.614 |
| 22.5 | 345.0 | 11.41 | 1.499 |
| 37.5 | 15.0 | 8.712 | 1.757 |
| 37.5 | 45.0 | 16.42 | 7.473 |
| 37.5 | 105.0 | 14.73 | 5.658 |
| 37.5 | 135.0 | 10.17 | 0.7808 |
| 37.5 | 165.0 | 8.535 | 0.5665 |
| 37.5 | 195.0 | 8.111 | 0.5501 |
| 37.5 | 225.0 | 9.351 | 0.7244 |
| 37.5 | 255.0 | 10.23 | 1.391 |
| 37.5 | 315.0 | 11.98 | 2.755 |
| 37.5 | 345.0 | 11.53 | 2.409 |
| 52.5 | 45.0 | 10.21 | 1.085 |
| 52.5 | 75.0 | 7.646 | 1.267 |
| 52.5 | 105.0 | 9.948 | 0.8337 |
| 52.5 | 135.0 | 9.989 | 0.7262 |
| 52.5 | 165.0 | 7.729 | 0.4904 |
| 52.5 | 195.0 | 9.179 | 0.5485 |
| 52.5 | 225.0 | 9.814 | 0.7484 |
| 52.5 | 255.0 | 11.24 | 0.8034 |
| 52.5 | 315.0 | 9.821 | 0.9943 |
| 67.5 | 45.0 | 8.619 | 1.247 |
| 67.5 | 75.0 | 8.437 | 0.5681 |
| 67.5 | 105.0 | 10.02 | 0.6403 |
| 67.5 | 135.0 | 10.03 | 0.74 |
| 67.5 | 165.0 | 8.178 | 0.5144 |
| 67.5 | 195.0 | 7.925 | 0.4909 |
| 67.5 | 225.0 | 9.798 | 0.716 |
| 67.5 | 255.0 | 9.226 | 0.6046 |
| 67.5 | 285.0 | 9.064 | 0.7347 |
| 67.5 | 315.0 | 8.658 | 1.396 |
| 82.5 | 45.0 | 7.86 | 2.497 |
| 82.5 | 75.0 | 9.553 | 0.5422 |
| 82.5 | 105.0 | 10.63 | 0.6075 |
| 82.5 | 135.0 | 9.365 | 0.7624 |
| 82.5 | 165.0 | 6.326 | 0.5221 |
| 82.5 | 195.0 | 5.954 | 0.4923 |
| 82.5 | 225.0 | 8.543 | 0.7359 |
| 82.5 | 255.0 | 10.68 | 0.601 |
| 82.5 | 285.0 | 9.322 | 0.5361 |
| 82.5 | 315.0 | 5.402 | 1.236 |
| 97.5 | 15.0 | 4.533 | 1.866 |
| 97.5 | 45.0 | 7.692 | 0.6311 |
| 97.5 | 75.0 | 8.498 | 0.5987 |
| 97.5 | 105.0 | 9.011 | 0.5396 |
| 97.5 | 135.0 | 6.754 | 0.5988 |
| 97.5 | 165.0 | 5.759 | 0.4303 |
| 97.5 | 195.0 | 5.74 | 0.409 |
| 97.5 | 225.0 | 7.469 | 0.6705 |
| 97.5 | 255.0 | 9.134 | 0.5539 |
| 97.5 | 285.0 | 8.311 | 0.6008 |
| 97.5 | 315.0 | 5.733 | 0.4842 |
| 97.5 | 345.0 | 3.299 | 0.9067 |
| 112.5 | 15.0 | 4.618 | 1.582 |
| 112.5 | 45.0 | 5.089 | 0.4041 |
| 112.5 | 75.0 | 7.991 | 0.704 |
| 112.5 | 105.0 | 7.081 | 0.5375 |
| 112.5 | 135.0 | 6.223 | 0.5157 |
| 112.5 | 165.0 | 4.309 | 0.465 |
| 112.5 | 195.0 | 4.221 | 0.4201 |
| 112.5 | 225.0 | 6.747 | 0.5612 |
| 112.5 | 255.0 | 7.361 | 0.4661 |
| 112.5 | 285.0 | 7.466 | 0.6868 |
| 112.5 | 315.0 | 5.884 | 0.4544 |
| 112.5 | 345.0 | 4.108 | 0.8473 |
| 127.5 | 15.0 | 3.691 | 0.5812 |
| 127.5 | 45.0 | 5.095 | 0.4938 |
| 127.5 | 75.0 | 4.773 | 0.4642 |
| 127.5 | 105.0 | 5.477 | 0.4963 |
| 127.5 | 135.0 | 5.045 | 0.6158 |
| 127.5 | 165.0 | 3.463 | 0.6037 |
| 127.5 | 195.0 | 3.982 | 0.5259 |
| 127.5 | 225.0 | 5.284 | 0.677 |
| 127.5 | 255.0 | 7.02 | 0.584 |
| 127.5 | 285.0 | 6.002 | 0.5562 |
| 127.5 | 315.0 | 5.366 | 0.5225 |
| 127.5 | 345.0 | 3.617 | 0.5223 |
| 142.5 | 15.0 | 3.434 | 0.5203 |
| 142.5 | 45.0 | 4.698 | 0.6237 |
| 142.5 | 75.0 | 4.291 | 0.4636 |
| 142.5 | 105.0 | 4.926 | 0.8726 |
| 142.5 | 225.0 | 4.523 | 1.266 |
| 142.5 | 255.0 | 3.791 | 0.5873 |
| 142.5 | 285.0 | 4.265 | 0.5391 |
| 142.5 | 315.0 | 4.273 | 0.5981 |
| 142.5 | 345.0 | 3.636 | 0.5726 |
| 157.5 | 15.0 | 3.438 | 0.8565 |
| 157.5 | 45.0 | 2.2 | 0.6273 |
| 157.5 | 285.0 | 3.515 | 0.9996 |
| 157.5 | 345.0 | 3.478 | 1.136 |
Measurement comment:
Experiment comment: