Measurement E213M877
| 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: | 3.0 — 3.5 GeV2 | |
| W: | 1.95 — 1.975 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π−), [deg] | dσ/d(−cos(θ(π−))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 2.4922 | 0.2188 | 0.3707 | 0.4305 |
| 27.0 | 2.0088 | 0.152 | 0.2645 | 0.3051 |
| 45.0 | 1.706 | 0.1125 | 0.2429 | 0.2677 |
| 63.0 | 1.6276 | 0.0748 | 0.2426 | 0.2539 |
| 81.0 | 1.5182 | 0.0883 | 0.2308 | 0.2471 |
| 99.0 | 1.4796 | 0.088 | 0.2238 | 0.2405 |
| 117.0 | 1.3636 | 0.1236 | 0.2054 | 0.2397 |
| 135.0 | 1.1597 | 0.0977 | 0.178 | 0.203 |
| 153.0 | 1.4572 | 0.1071 | 0.1889 | 0.2172 |
| 171.0 | 1.6109 | 0.1629 | 0.2565 | 0.3038 |
Experiment comment: