Measurement E213M1022
| 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: | 3.5 — 4.2 GeV2 | |
| W: | 1.625 — 1.65 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π+), [deg] | dσ/d(−cos(θ(π+))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 1.0798 | 0.1094 | 0.1272 | 0.1677 |
| 27.0 | 1.0288 | 0.0737 | 0.1128 | 0.1348 |
| 45.0 | 0.9316 | 0.0754 | 0.1076 | 0.1314 |
| 63.0 | 0.917 | 0.0711 | 0.1063 | 0.1279 |
| 81.0 | 0.8625 | 0.048 | 0.0992 | 0.1102 |
| 99.0 | 0.8319 | 0.0652 | 0.0967 | 0.1167 |
| 117.0 | 0.9144 | 0.0623 | 0.1025 | 0.12 |
| 135.0 | 0.8004 | 0.0687 | 0.1079 | 0.1279 |
| 153.0 | 0.7936 | 0.1075 | 0.3305 | 0.4724 |
| 171.0 | 0.9083 | 0.0028 | 0.5331 | 0.7538 |
Experiment comment: