Measurement E213M814
| 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: | 1.775 — 1.8 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π−), [deg] | dσ/d(−cos(θ(π−))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 1.2003 | 0.1465 | 0.2531 | 0.3603 |
| 27.0 | 1.1485 | 0.2221 | 0.1574 | 0.2722 |
| 45.0 | 1.5955 | 0.0997 | 0.2068 | 0.2296 |
| 63.0 | 2.0028 | 0.1211 | 0.2471 | 0.2752 |
| 81.0 | 1.9112 | 0.1138 | 0.2355 | 0.2615 |
| 99.0 | 1.866 | 0.1166 | 0.2297 | 0.2576 |
| 117.0 | 1.3673 | 0.1073 | 0.1705 | 0.2015 |
| 135.0 | 1.1916 | 0.0767 | 0.144 | 0.1632 |
| 153.0 | 1.5583 | 0.1218 | 0.1772 | 0.215 |
| 171.0 | 1.6004 | 0.1518 | 0.2237 | 0.2703 |
Experiment comment: