Measurement E213M339
| 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: | 2.0 — 2.4 GeV2 | |
| W: | 1.9 — 1.925 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(p), [deg] | dσ/d(−cos(θ(p))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 2.5837 | 0.1584 | 0.5073 | 0.5315 |
| 27.0 | 2.4132 | 0.11 | 0.3414 | 0.3587 |
| 45.0 | 2.0837 | 0.1047 | 0.3624 | 0.3772 |
| 63.0 | 1.9562 | 0.1524 | 0.4081 | 0.4356 |
| 81.0 | 2.6068 | 0.1385 | 0.3877 | 0.4117 |
| 99.0 | 3.3581 | 0.1481 | 0.444 | 0.468 |
| 117.0 | 3.6079 | 0.1318 | 0.5195 | 0.5359 |
| 135.0 | 3.9211 | 0.1897 | 0.5482 | 0.7763 |
| 153.0 | 4.5587 | 0.2351 | 0.5722 | 0.8113 |
| 171.0 | 5.8683 | 0.3555 | 0.7597 | 1.0714 |
Experiment comment: