Measurement E213M293
| 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: | 1.775 — 1.8 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π+), [deg] | dσ/d(−cos(θ(π+))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 3.1625 | 0.1936 | 0.358 | 0.5032 |
| 27.0 | 3.4925 | 0.1406 | 0.3755 | 0.5276 |
| 45.0 | 3.487 | 0.2035 | 0.4051 | 0.4534 |
| 63.0 | 3.1727 | 0.1224 | 0.3603 | 0.3805 |
| 81.0 | 3.5093 | 0.1528 | 0.3998 | 0.428 |
| 99.0 | 3.6867 | 0.1216 | 0.4159 | 0.4333 |
| 117.0 | 3.4951 | 0.1254 | 0.4146 | 0.5941 |
| 135.0 | 2.6349 | 0.1304 | 0.4491 | 0.7104 |
| 153.0 | 2.1586 | 0.1511 | 0.8679 | 1.2296 |
| 171.0 | 2.9803 | 0.0034 | 1.7517 | 2.4785 |
Experiment comment: