Measurement E213M977
| 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: | 3.5 — 4.2 GeV2 | |
| W: | 1.5 — 1.525 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π+), [deg] | dσ/d(−cos(θ(π+))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 1.1539 | 0.204 | 0.1801 | 0.2721 |
| 27.0 | 1.0508 | 0.1851 | 0.1498 | 0.2381 |
| 45.0 | 0.95 | 0.0706 | 0.1415 | 0.1581 |
| 63.0 | 0.9637 | 0.0781 | 0.141 | 0.1612 |
| 81.0 | 0.9061 | 0.0597 | 0.1305 | 0.1435 |
| 99.0 | 0.8914 | 0.0608 | 0.1299 | 0.1435 |
| 117.0 | 0.8867 | 0.0685 | 0.1293 | 0.1463 |
| 135.0 | 0.6869 | 0.0676 | 0.122 | 0.1395 |
| 153.0 | 0.7115 | 0.0754 | 0.4128 | 0.2257 |
| 171.0 | 0.7653 | 0.0028 | 0.4802 | 0.1802 |
Experiment comment: