Measurement E213M671
| 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: | 2.4 — 3.0 GeV2 | |
| W: | 2.1 — 2.125 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π+), [deg] | dσ/d(−cos(θ(π+))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 2.6547 | 0.1315 | 0.3664 | 0.3893 |
| 27.0 | 2.6695 | 0.1492 | 0.3873 | 0.415 |
| 45.0 | 1.8569 | 0.0995 | 0.3276 | 0.3423 |
| 63.0 | 1.5644 | 0.0581 | 0.305 | 0.3105 |
| 81.0 | 1.651 | 0.0638 | 0.2704 | 0.2778 |
| 99.0 | 1.5749 | 0.0644 | 0.2636 | 0.2714 |
| 117.0 | 1.4481 | 0.0621 | 0.2573 | 0.2647 |
| 135.0 | 1.3445 | 0.1201 | 0.2771 | 0.302 |
| 153.0 | 1.0236 | 0.0559 | 0.4283 | 0.4319 |
| 171.0 | 1.527 | 0.004 | 0.9106 | 0.9106 |
Experiment comment: