Measurement E213M292
| 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: | 2.0 — 2.4 GeV2 | |
| W: | 1.775 — 1.8 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π−), [deg] | dσ/d(−cos(θ(π−))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 3.5044 | 0.2908 | 0.592 | 0.8363 |
| 27.0 | 3.158 | 0.1585 | 0.3763 | 0.5409 |
| 45.0 | 3.3321 | 0.1769 | 0.4094 | 0.9677 |
| 63.0 | 3.8472 | 0.1416 | 0.4635 | 0.4847 |
| 81.0 | 3.6442 | 0.1658 | 0.4464 | 0.4762 |
| 99.0 | 3.0628 | 0.1719 | 0.3945 | 0.4303 |
| 117.0 | 2.8796 | 0.1385 | 0.3719 | 0.5306 |
| 135.0 | 2.7536 | 0.1312 | 0.3501 | 0.4959 |
| 153.0 | 2.8861 | 0.1438 | 0.336 | 0.4807 |
| 171.0 | 3.3603 | 0.309 | 0.507 | 0.7184 |
Experiment comment: