Measurement E213M978
| Experiment: | E1-6, 2025 | |
|---|---|---|
| Year: | 2001 | |
| Spokespersons: | R.W. Gothe, A. Trivedi | |
| Reaction: | ep → π+π−p | |
| Polarization: | none | |
| Quantity: | dσ/d(−cos(θ(p))) | |
| Q2: | 3.5 — 4.2 GeV2 | |
| W: | 1.5 — 1.525 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(p), [deg] | dσ/d(−cos(θ(p))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 0.6786 | 0.1026 | 0.2263 | 0.2484 |
| 27.0 | 0.5195 | 0.0557 | 0.136 | 0.147 |
| 45.0 | 0.5596 | 0.0465 | 0.1246 | 0.133 |
| 63.0 | 0.7244 | 0.0693 | 0.1255 | 0.1434 |
| 81.0 | 0.9279 | 0.074 | 0.1386 | 0.1572 |
| 99.0 | 0.8873 | 0.0646 | 0.1328 | 0.1477 |
| 117.0 | 1.0287 | 0.0652 | 0.1509 | 0.1644 |
| 135.0 | 1.1151 | 0.0838 | 0.1615 | 0.23 |
| 153.0 | 1.1493 | 0.0955 | 0.1706 | 0.1866 |
| 171.0 | 1.0835 | 0.1392 | 0.2108 | 0.2422 |
Experiment comment: