Measurement E213M1131
| Experiment: | E1-6, 2025 | |
|---|---|---|
| Year: | 2001 | |
| Spokespersons: | R.W. Gothe, A. Trivedi | |
| Reaction: | ep → π+π−p | |
| Polarization: | none | |
| Quantity: | dσ/d(−cos(θ(p))) | |
| Q2: | 3.5 — 4.2 GeV2 | |
| W: | 1.925 — 1.95 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(p), [deg] | dσ/d(−cos(θ(p))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 0.4914 | 0.0507 | 0.1173 | 0.1278 |
| 27.0 | 0.4264 | 0.0346 | 0.0759 | 0.0835 |
| 45.0 | 0.5645 | 0.0446 | 0.0957 | 0.1056 |
| 63.0 | 0.5697 | 0.0456 | 0.1324 | 0.14 |
| 81.0 | 0.9193 | 0.063 | 0.1791 | 0.1898 |
| 99.0 | 1.189 | 0.0994 | 0.1936 | 0.2177 |
| 117.0 | 1.254 | 0.0718 | 0.2046 | 0.2168 |
| 135.0 | 1.372 | 0.1054 | 0.2302 | 0.2532 |
| 153.0 | 1.6667 | 0.1238 | 0.2506 | 0.2795 |
| 171.0 | 1.9799 | 0.1675 | 0.2779 | 0.3245 |
Experiment comment: