Measurement E213M238
| 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: | 2.0 — 2.4 GeV2 | |
| W: | 1.625 — 1.65 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π−), [deg] | dσ/d(−cos(θ(π−))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 4.1862 | 0.3325 | 0.7928 | 1.121 |
| 27.0 | 3.9596 | 0.2162 | 0.4839 | 0.686 |
| 45.0 | 3.5132 | 0.1827 | 0.4574 | 0.6506 |
| 63.0 | 3.1294 | 0.1581 | 0.4288 | 0.6059 |
| 81.0 | 2.4223 | 0.1194 | 0.3594 | 0.5082 |
| 99.0 | 1.8494 | 0.0999 | 0.3018 | 0.4326 |
| 117.0 | 1.9874 | 0.0973 | 0.3011 | 0.4302 |
| 135.0 | 2.0148 | 0.0949 | 0.2721 | 0.3868 |
| 153.0 | 2.2119 | 0.1135 | 0.3005 | 0.4271 |
| 171.0 | 2.2204 | 0.1558 | 0.4804 | 0.6832 |
Experiment comment: