Measurement E213M508
| 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: | 2.4 — 3.0 GeV2 | |
| W: | 1.65 — 1.675 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π−), [deg] | dσ/d(−cos(θ(π−))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 3.0625 | 0.2509 | 0.7048 | 0.7481 |
| 27.0 | 3.1052 | 0.1723 | 0.4961 | 0.5252 |
| 45.0 | 2.7199 | 0.1303 | 0.4304 | 0.4497 |
| 63.0 | 2.3839 | 0.1161 | 0.384 | 0.4011 |
| 81.0 | 2.0585 | 0.1043 | 0.3331 | 0.349 |
| 99.0 | 1.7558 | 0.0879 | 0.289 | 0.302 |
| 117.0 | 1.7548 | 0.0935 | 0.281 | 0.2962 |
| 135.0 | 1.868 | 0.0841 | 0.2861 | 0.2982 |
| 153.0 | 2.0446 | 0.098 | 0.3109 | 0.326 |
| 171.0 | 1.9706 | 0.1413 | 0.3977 | 0.5793 |
Experiment comment: