Measurement E213M815
| 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: | 3.0 — 3.5 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 | 1.8358 | 0.1455 | 0.2209 | 0.5885 |
| 27.0 | 1.4429 | 0.163 | 0.1796 | 0.2494 |
| 45.0 | 1.7661 | 0.1948 | 0.215 | 0.311 |
| 63.0 | 1.5304 | 0.0814 | 0.1916 | 0.2082 |
| 81.0 | 1.6532 | 0.1029 | 0.204 | 0.2285 |
| 99.0 | 1.7851 | 0.0754 | 0.2145 | 0.2274 |
| 117.0 | 1.6512 | 0.1011 | 0.2028 | 0.2266 |
| 135.0 | 1.0655 | 0.1172 | 0.1747 | 0.2561 |
| 153.0 | 0.9342 | 0.0651 | 0.382 | 0.5496 |
| 171.0 | 1.3915 | 0.0027 | 0.8317 | 1.1769 |
Experiment comment: