Measurement E213M284
| 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: | 2.0 — 2.4 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 | 3.116 | 0.2714 | 0.3694 | 0.4584 |
| 27.0 | 3.8176 | 0.1474 | 0.4111 | 0.4367 |
| 45.0 | 3.2584 | 0.1714 | 0.3892 | 0.4253 |
| 63.0 | 3.4261 | 0.245 | 0.3784 | 0.4508 |
| 81.0 | 3.6302 | 0.158 | 0.4049 | 0.4346 |
| 99.0 | 3.8518 | 0.1397 | 0.4221 | 0.4447 |
| 117.0 | 3.7783 | 0.1685 | 0.436 | 0.4674 |
| 135.0 | 3.0722 | 0.1797 | 0.5109 | 0.5416 |
| 153.0 | 2.1008 | 0.1432 | 0.9357 | 1.637 |
| 171.0 | 3.1405 | 0.0035 | 1.8577 | 2.6242 |
Experiment comment: