Measurement E213M1345
| 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: | 1.8 — 1.825 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π−), [deg] | dσ/d(−cos(θ(π−))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 0.706 | 0.1073 | 0.2214 | 0.246 |
| 27.0 | 0.6825 | 0.0714 | 0.1373 | 0.1548 |
| 45.0 | 0.9052 | 0.0816 | 0.1434 | 0.165 |
| 63.0 | 0.9578 | 0.0788 | 0.144 | 0.1641 |
| 81.0 | 0.8448 | 0.0587 | 0.1312 | 0.1438 |
| 99.0 | 0.7291 | 0.0579 | 0.1208 | 0.134 |
| 117.0 | 0.6458 | 0.0566 | 0.1113 | 0.1249 |
| 135.0 | 0.4969 | 0.0522 | 0.087 | 0.1015 |
| 153.0 | 0.4756 | 0.071 | 0.0813 | 0.108 |
| 171.0 | 0.7528 | 0.1274 | 0.1638 | 0.2075 |
Experiment comment: