Measurement E213M707
| 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: | 3.0 — 3.5 GeV2 | |
| W: | 1.475 — 1.5 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π+), [deg] | dσ/d(−cos(θ(π+))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 1.5071 | 0.1528 | 0.2106 | 0.2994 |
| 27.0 | 1.4633 | 0.0847 | 0.1896 | 0.2718 |
| 45.0 | 1.2279 | 0.0837 | 0.1625 | 0.2306 |
| 63.0 | 1.1503 | 0.0849 | 0.1539 | 0.1758 |
| 81.0 | 1.0827 | 0.0618 | 0.143 | 0.1557 |
| 99.0 | 1.0376 | 0.0833 | 0.1369 | 0.1603 |
| 117.0 | 0.8835 | 0.0515 | 0.1223 | 0.1327 |
| 135.0 | 0.7724 | 0.0954 | 0.1392 | 0.1688 |
| 153.0 | 0.7928 | 0.0067 | 0.492 | 0.2749 |
| 171.0 | 0.8908 | 0.0031 | 0.5528 | 0.3577 |
Experiment comment: