Measurement E213M1120
| 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: | 1.9 — 1.925 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π−), [deg] | dσ/d(−cos(θ(π−))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 1.096 | 0.1322 | 0.2182 | 0.2551 |
| 27.0 | 1.2407 | 0.1472 | 0.1811 | 0.2334 |
| 45.0 | 1.364 | 0.0812 | 0.1956 | 0.2118 |
| 63.0 | 1.3556 | 0.0869 | 0.1964 | 0.2148 |
| 81.0 | 1.4354 | 0.1042 | 0.2063 | 0.2312 |
| 99.0 | 1.2328 | 0.1401 | 0.1828 | 0.2303 |
| 117.0 | 0.9346 | 0.0719 | 0.1528 | 0.1688 |
| 135.0 | 0.6979 | 0.0568 | 0.1129 | 0.1264 |
| 153.0 | 0.9398 | 0.1107 | 0.1229 | 0.1654 |
| 171.0 | 1.1333 | 0.1393 | 0.1896 | 0.2353 |
Experiment comment: