Measurement E213M1238
| 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: | 4.2 — 5.0 GeV2 | |
| W: | 1.5 — 1.525 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π+), [deg] | dσ/d(−cos(θ(π+))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 0.8392 | 0.127 | 0.1783 | 0.2189 |
| 27.0 | 0.8366 | 0.0854 | 0.1589 | 0.2293 |
| 45.0 | 0.6486 | 0.0795 | 0.132 | 0.1994 |
| 63.0 | 0.5526 | 0.1108 | 0.1135 | 0.1586 |
| 81.0 | 0.5126 | 0.0406 | 0.101 | 0.1089 |
| 99.0 | 0.5122 | 0.0489 | 0.1045 | 0.1154 |
| 117.0 | 0.4637 | 0.0458 | 0.0935 | 0.1041 |
| 135.0 | 0.512 | 0.0821 | 0.1084 | 0.1489 |
| 153.0 | 0.5991 | 0.1099 | 0.3072 | 0.2346 |
| 171.0 | 0.4864 | 0.0024 | 0.327 | 0.1764 |
Experiment comment: