Measurement E213M1237
| 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: | 1.5 — 1.525 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π−), [deg] | dσ/d(−cos(θ(π−))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 0.5901 | 0.1033 | 0.2121 | 0.2359 |
| 27.0 | 0.7152 | 0.0943 | 0.1692 | 0.1937 |
| 45.0 | 0.6569 | 0.0641 | 0.1492 | 0.1624 |
| 63.0 | 0.5787 | 0.0654 | 0.1299 | 0.1454 |
| 81.0 | 0.4121 | 0.0478 | 0.0984 | 0.1093 |
| 99.0 | 0.4787 | 0.0507 | 0.1094 | 0.1206 |
| 117.0 | 0.5165 | 0.0521 | 0.1159 | 0.127 |
| 135.0 | 0.4471 | 0.0504 | 0.1046 | 0.1161 |
| 153.0 | 0.4656 | 0.0623 | 0.1162 | 0.1318 |
| 171.0 | 0.4497 | 0.0758 | 0.1615 | 0.1784 |
Experiment comment: