Measurement E213M941
| 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: | 1.4 — 1.425 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π+), [deg] | dσ/d(−cos(θ(π+))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 0.4678 | 0.0879 | 0.1553 | 0.2215 |
| 27.0 | 0.6028 | 0.0633 | 0.1322 | 0.1877 |
| 45.0 | 0.4212 | 0.0401 | 0.095 | 0.1344 |
| 63.0 | 0.5356 | 0.0622 | 0.1204 | 0.1715 |
| 81.0 | 0.4258 | 0.0493 | 0.0991 | 0.1107 |
| 99.0 | 0.4032 | 0.0365 | 0.0888 | 0.096 |
| 117.0 | 0.3417 | 0.0307 | 0.098 | 0.1027 |
| 135.0 | 0.324 | 0.0385 | 0.1295 | 0.1351 |
| 153.0 | 0.3835 | 0.0027 | 0.2605 | 0.2605 |
| 171.0 | 0.3788 | 0.0028 | 0.2573 | 0.2573 |
Experiment comment: