Measurement E213M994
| Experiment: | E1-6, 2025 | |
|---|---|---|
| Year: | 2001 | |
| Spokespersons: | R.W. Gothe, A. Trivedi | |
| Reaction: | ep → π+π−p | |
| Polarization: | none | |
| Quantity: | dσ/d(−cos(θ(π−))) | |
| Q2: | 3.5 — 4.2 GeV2 | |
| W: | 1.55 — 1.575 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π−), [deg] | dσ/d(−cos(θ(π−))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 0.9399 | 0.1232 | 0.2531 | 0.358 |
| 27.0 | 1.297 | 0.1063 | 0.2239 | 0.3184 |
| 45.0 | 0.9805 | 0.0729 | 0.1717 | 0.2437 |
| 63.0 | 0.7406 | 0.0548 | 0.1336 | 0.1444 |
| 81.0 | 0.7299 | 0.0612 | 0.1284 | 0.1423 |
| 99.0 | 0.5756 | 0.0469 | 0.1052 | 0.1152 |
| 117.0 | 0.5576 | 0.0447 | 0.1035 | 0.1127 |
| 135.0 | 0.6077 | 0.0452 | 0.1104 | 0.1595 |
| 153.0 | 0.6398 | 0.0586 | 0.1206 | 0.1763 |
| 171.0 | 0.6726 | 0.1179 | 0.1808 | 0.2608 |
Experiment comment: