Measurement E213M1039
| 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: | 3.5 — 4.2 GeV2 | |
| W: | 1.675 — 1.7 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π−), [deg] | dσ/d(−cos(θ(π−))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 1.6636 | 0.1901 | 0.3451 | 0.394 |
| 27.0 | 1.543 | 0.1221 | 0.2327 | 0.2627 |
| 45.0 | 1.5541 | 0.0936 | 0.2259 | 0.2446 |
| 63.0 | 1.4435 | 0.0874 | 0.2106 | 0.228 |
| 81.0 | 1.2943 | 0.0874 | 0.1879 | 0.2072 |
| 99.0 | 1.1786 | 0.0811 | 0.1676 | 0.1862 |
| 117.0 | 1.1253 | 0.0708 | 0.1553 | 0.1707 |
| 135.0 | 1.0524 | 0.1285 | 0.1443 | 0.1932 |
| 153.0 | 1.0671 | 0.0789 | 0.1484 | 0.1681 |
| 171.0 | 1.3458 | 0.1333 | 0.2391 | 0.2737 |
Experiment comment: