Measurement E213M1337
| 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: | 1.775 — 1.8 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π+), [deg] | dσ/d(−cos(θ(π+))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 0.8314 | 0.1302 | 0.1131 | 0.1725 |
| 27.0 | 1.0121 | 0.0991 | 0.127 | 0.1611 |
| 45.0 | 0.7769 | 0.0819 | 0.1142 | 0.1405 |
| 63.0 | 0.8069 | 0.0684 | 0.1138 | 0.1328 |
| 81.0 | 0.7705 | 0.0514 | 0.1166 | 0.1274 |
| 99.0 | 0.7691 | 0.0635 | 0.1008 | 0.1192 |
| 117.0 | 0.7115 | 0.0557 | 0.0927 | 0.1081 |
| 135.0 | 0.5354 | 0.0502 | 0.081 | 0.0953 |
| 153.0 | 0.3376 | 0.0284 | 0.1646 | 0.167 |
| 171.0 | 0.6631 | 0.0021 | 0.3947 | 0.3947 |
Experiment comment: