Measurement E213M563
| 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: | 1.8 — 1.825 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π+), [deg] | dσ/d(−cos(θ(π+))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 2.4893 | 0.1502 | 0.3145 | 0.4418 |
| 27.0 | 2.4403 | 0.1027 | 0.2942 | 0.415 |
| 45.0 | 2.3215 | 0.1336 | 0.301 | 0.4276 |
| 63.0 | 2.4048 | 0.117 | 0.2974 | 0.3196 |
| 81.0 | 2.506 | 0.1343 | 0.3158 | 0.3432 |
| 99.0 | 2.7597 | 0.0983 | 0.3328 | 0.4746 |
| 117.0 | 2.3441 | 0.0959 | 0.2975 | 0.4267 |
| 135.0 | 1.9393 | 0.1458 | 0.3321 | 0.4723 |
| 153.0 | 1.6724 | 0.1148 | 0.6811 | 0.9658 |
| 171.0 | 2.1448 | 0.0029 | 1.2797 | 1.812 |
Experiment comment: