Measurement E213M1264
| 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: | 1.575 — 1.6 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π−), [deg] | dσ/d(−cos(θ(π−))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 0.4941 | 0.1006 | 0.1902 | 0.2151 |
| 27.0 | 0.7078 | 0.0808 | 0.2054 | 0.2207 |
| 45.0 | 0.5533 | 0.0588 | 0.1579 | 0.1685 |
| 63.0 | 0.4301 | 0.061 | 0.1243 | 0.1385 |
| 81.0 | 0.3798 | 0.0405 | 0.1103 | 0.1175 |
| 99.0 | 0.2499 | 0.0498 | 0.0761 | 0.0909 |
| 117.0 | 0.3778 | 0.0423 | 0.1073 | 0.1154 |
| 135.0 | 0.3252 | 0.037 | 0.0944 | 0.1014 |
| 153.0 | 0.3325 | 0.0564 | 0.099 | 0.1139 |
| 171.0 | 0.3037 | 0.0657 | 0.1137 | 0.1313 |
Experiment comment: