Measurement E213M1103
| 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: | 1.85 — 1.875 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π+), [deg] | dσ/d(−cos(θ(π+))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 1.5279 | 0.1371 | 0.2195 | 0.2587 |
| 27.0 | 1.5079 | 0.1305 | 0.2159 | 0.2523 |
| 45.0 | 1.3378 | 0.1207 | 0.2134 | 0.2452 |
| 63.0 | 1.3663 | 0.1195 | 0.21 | 0.2416 |
| 81.0 | 1.2118 | 0.1092 | 0.1985 | 0.2265 |
| 99.0 | 1.3362 | 0.0695 | 0.2025 | 0.2141 |
| 117.0 | 1.3237 | 0.0926 | 0.1991 | 0.2196 |
| 135.0 | 1.196 | 0.1577 | 0.2018 | 0.2561 |
| 153.0 | 0.7594 | 0.097 | 0.3183 | 0.3327 |
| 171.0 | 1.1791 | 0.0028 | 0.7256 | 0.7256 |
Experiment comment: