Measurement E213M805
| 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: | 1.75 — 1.775 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π−), [deg] | dσ/d(−cos(θ(π−))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 1.5745 | 0.2026 | 0.2543 | 0.3252 |
| 27.0 | 1.6175 | 0.1582 | 0.1755 | 0.2363 |
| 45.0 | 2.0064 | 0.1279 | 0.219 | 0.2536 |
| 63.0 | 2.1539 | 0.12 | 0.2338 | 0.2628 |
| 81.0 | 2.0624 | 0.1083 | 0.2232 | 0.2481 |
| 99.0 | 1.9162 | 0.1434 | 0.2051 | 0.2502 |
| 117.0 | 1.6224 | 0.1045 | 0.1702 | 0.1998 |
| 135.0 | 1.2964 | 0.0854 | 0.1362 | 0.1607 |
| 153.0 | 1.3916 | 0.0903 | 0.1429 | 0.1691 |
| 171.0 | 1.9159 | 0.1798 | 0.2308 | 0.2926 |
Experiment comment: