Measurement E213M1049
| 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: | 1.7 — 1.725 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π+), [deg] | dσ/d(−cos(θ(π+))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 2.1737 | 0.1762 | 0.2344 | 0.2933 |
| 27.0 | 1.9889 | 0.118 | 0.2047 | 0.2363 |
| 45.0 | 1.7417 | 0.126 | 0.1865 | 0.2251 |
| 63.0 | 1.6569 | 0.102 | 0.1824 | 0.209 |
| 81.0 | 1.7362 | 0.0921 | 0.1889 | 0.2101 |
| 99.0 | 1.6988 | 0.09 | 0.1815 | 0.2026 |
| 117.0 | 1.6399 | 0.0901 | 0.176 | 0.1977 |
| 135.0 | 1.2966 | 0.1122 | 0.1799 | 0.256 |
| 153.0 | 1.1409 | 0.0817 | 0.4932 | 0.6965 |
| 171.0 | 1.6103 | 0.0036 | 0.9451 | 1.3355 |
Experiment comment: