Measurement E213M445
| 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: | 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 | 1.682 | 0.1683 | 0.4496 | 0.4801 |
| 27.0 | 2.0197 | 0.1183 | 0.3098 | 0.3316 |
| 45.0 | 1.8469 | 0.1019 | 0.2823 | 0.3001 |
| 63.0 | 1.4208 | 0.0829 | 0.209 | 0.2249 |
| 81.0 | 1.449 | 0.0889 | 0.2011 | 0.2199 |
| 99.0 | 1.3296 | 0.0764 | 0.1832 | 0.1985 |
| 117.0 | 1.4399 | 0.0755 | 0.1953 | 0.2093 |
| 135.0 | 1.4666 | 0.0741 | 0.1979 | 0.2113 |
| 153.0 | 1.6803 | 0.0926 | 0.2295 | 0.2475 |
| 171.0 | 1.7324 | 0.1546 | 0.3009 | 0.3383 |
Experiment comment: