Measurement E213M1426
| 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: | 4.2 — 5.0 GeV2 | |
| W: | 2.025 — 2.05 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π−), [deg] | dσ/d(−cos(θ(π−))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 1.0876 | 0.1223 | 0.1924 | 0.2279 |
| 27.0 | 0.7622 | 0.1068 | 0.1346 | 0.1719 |
| 45.0 | 0.8058 | 0.0622 | 0.1311 | 0.1451 |
| 63.0 | 0.7558 | 0.049 | 0.1258 | 0.1351 |
| 81.0 | 0.6829 | 0.0505 | 0.1222 | 0.1323 |
| 99.0 | 0.6217 | 0.0503 | 0.1228 | 0.1327 |
| 117.0 | 0.4389 | 0.0327 | 0.1101 | 0.1149 |
| 135.0 | 0.4754 | 0.0471 | 0.1149 | 0.1242 |
| 153.0 | 0.3879 | 0.0373 | 0.1116 | 0.1177 |
| 171.0 | 0.4945 | 0.0737 | 0.1795 | 0.1941 |
Experiment comment: