Measurement E213M697
| 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: | 1.45 — 1.475 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π−), [deg] | dσ/d(−cos(θ(π−))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 0.963 | 0.1299 | 0.2739 | 0.3031 |
| 27.0 | 1.1507 | 0.1303 | 0.2117 | 0.2486 |
| 45.0 | 0.8394 | 0.067 | 0.1537 | 0.1677 |
| 63.0 | 0.8202 | 0.0676 | 0.1397 | 0.1552 |
| 81.0 | 0.7509 | 0.0605 | 0.1259 | 0.1397 |
| 99.0 | 0.6893 | 0.0559 | 0.1166 | 0.1293 |
| 117.0 | 0.7744 | 0.062 | 0.1297 | 0.1438 |
| 135.0 | 0.9594 | 0.0656 | 0.1575 | 0.1706 |
| 153.0 | 0.9097 | 0.0764 | 0.1548 | 0.1727 |
| 171.0 | 0.8124 | 0.1083 | 0.1838 | 0.2631 |
Experiment comment: