Measurement E213M1327
| 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: | 1.75 — 1.775 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π−), [deg] | dσ/d(−cos(θ(π−))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 0.9963 | 0.155 | 0.2236 | 0.2721 |
| 27.0 | 0.7755 | 0.0754 | 0.14 | 0.159 |
| 45.0 | 0.896 | 0.0913 | 0.1429 | 0.1696 |
| 63.0 | 0.9354 | 0.0622 | 0.1437 | 0.1566 |
| 81.0 | 0.9773 | 0.0736 | 0.1451 | 0.1627 |
| 99.0 | 0.7492 | 0.0611 | 0.12 | 0.1347 |
| 117.0 | 0.5808 | 0.0472 | 0.0975 | 0.1083 |
| 135.0 | 0.5489 | 0.0566 | 0.0823 | 0.0998 |
| 153.0 | 0.6053 | 0.0705 | 0.0878 | 0.1126 |
| 171.0 | 0.7748 | 0.1187 | 0.1465 | 0.1885 |
Experiment comment: