Measurement E213M1212
| 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: | 4.2 — 5.0 GeV2 | |
| W: | 1.425 — 1.45 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(p), [deg] | dσ/d(−cos(θ(p))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 0.2402 | 0.0344 | 0.1472 | 0.1511 |
| 27.0 | 0.1731 | 0.0221 | 0.0892 | 0.0919 |
| 45.0 | 0.1696 | 0.0351 | 0.077 | 0.0846 |
| 63.0 | 0.246 | 0.0299 | 0.0809 | 0.0862 |
| 81.0 | 0.2753 | 0.0381 | 0.0799 | 0.0885 |
| 99.0 | 0.3515 | 0.0428 | 0.094 | 0.1033 |
| 117.0 | 0.3706 | 0.0432 | 0.0981 | 0.1072 |
| 135.0 | 0.4262 | 0.0528 | 0.1121 | 0.1239 |
| 153.0 | 0.4848 | 0.0698 | 0.1314 | 0.1231 |
| 171.0 | 0.4078 | 0.0881 | 0.1479 | 0.1721 |
Experiment comment: