Measurement E213M157
| 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: | 1.4 — 1.425 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π−), [deg] | dσ/d(−cos(θ(π−))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 0.8546 | 0.0082 | 0.5403 | 0.7697 |
| 27.0 | 0.8713 | 0.0181 | 0.5157 | 0.731 |
| 45.0 | 0.9869 | 0.0343 | 0.4887 | 0.688 |
| 63.0 | 1.079 | 0.0416 | 0.4665 | 0.4684 |
| 81.0 | 1.1581 | 0.0471 | 0.4642 | 0.4666 |
| 99.0 | 1.1428 | 0.0466 | 0.4537 | 0.4561 |
| 117.0 | 1.2198 | 0.0516 | 0.4849 | 0.4876 |
| 135.0 | 1.2748 | 0.0525 | 0.5394 | 0.7722 |
| 153.0 | 1.2792 | 0.0468 | 0.6519 | 0.9184 |
| 171.0 | 1.3149 | 0.0176 | 0.817 | 1.1558 |
Experiment comment: