Measurement E213M589
| 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: | 1.875 — 1.9 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π−), [deg] | dσ/d(−cos(θ(π−))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 2.9137 | 0.2077 | 0.456 | 0.6532 |
| 27.0 | 2.5832 | 0.1309 | 0.3327 | 0.4692 |
| 45.0 | 2.4722 | 0.1531 | 0.3341 | 0.4718 |
| 63.0 | 2.995 | 0.1259 | 0.3828 | 0.4029 |
| 81.0 | 2.6369 | 0.1369 | 0.3534 | 0.379 |
| 99.0 | 2.3459 | 0.0968 | 0.3178 | 0.3322 |
| 117.0 | 1.8673 | 0.084 | 0.2644 | 0.3736 |
| 135.0 | 1.7993 | 0.0987 | 0.238 | 0.3371 |
| 153.0 | 2.2021 | 0.1067 | 0.265 | 0.3832 |
| 171.0 | 2.6778 | 0.2043 | 0.3737 | 0.5289 |
Experiment comment: