Measurement E213M1372
| 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: | 1.875 — 1.9 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π−), [deg] | dσ/d(−cos(θ(π−))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 0.7204 | 0.1 | 0.1993 | 0.223 |
| 27.0 | 1.0513 | 0.0946 | 0.1721 | 0.1964 |
| 45.0 | 1.0103 | 0.1036 | 0.158 | 0.189 |
| 63.0 | 0.8796 | 0.0786 | 0.1456 | 0.1654 |
| 81.0 | 0.8356 | 0.0623 | 0.1427 | 0.1557 |
| 99.0 | 0.7531 | 0.0661 | 0.1336 | 0.1491 |
| 117.0 | 0.5852 | 0.0562 | 0.1172 | 0.13 |
| 135.0 | 0.5995 | 0.08 | 0.1112 | 0.137 |
| 153.0 | 0.4262 | 0.057 | 0.0866 | 0.1037 |
| 171.0 | 0.5406 | 0.1025 | 0.157 | 0.1875 |
Experiment comment: