Measurement E213M446
| 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: | 2.4 — 3.0 GeV2 | |
| W: | 1.475 — 1.5 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π+), [deg] | dσ/d(−cos(θ(π+))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 2.2365 | 0.2279 | 0.295 | 0.3728 |
| 27.0 | 2.0811 | 0.0952 | 0.2473 | 0.265 |
| 45.0 | 1.8039 | 0.0895 | 0.2183 | 0.2359 |
| 63.0 | 1.7158 | 0.0839 | 0.2106 | 0.2267 |
| 81.0 | 1.6746 | 0.066 | 0.1997 | 0.2103 |
| 99.0 | 1.6392 | 0.0737 | 0.1972 | 0.2105 |
| 117.0 | 1.3871 | 0.1244 | 0.1807 | 0.2194 |
| 135.0 | 0.9037 | 0.0707 | 0.2047 | 0.3394 |
| 153.0 | 1.3087 | 0.0067 | 0.8011 | 1.1369 |
| 171.0 | 1.3187 | 0.0031 | 0.8073 | 1.1387 |
Experiment comment: