Measurement E213M1417
| 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: | 4.2 — 5.0 GeV2 | |
| W: | 2.0 — 2.025 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π−), [deg] | dσ/d(−cos(θ(π−))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 1.003 | 0.1273 | 0.1826 | 0.2226 |
| 27.0 | 0.7892 | 0.0779 | 0.1335 | 0.1545 |
| 45.0 | 0.7996 | 0.0752 | 0.1286 | 0.1489 |
| 63.0 | 0.726 | 0.0478 | 0.1218 | 0.1309 |
| 81.0 | 0.6749 | 0.05 | 0.1193 | 0.1294 |
| 99.0 | 0.6114 | 0.0469 | 0.1171 | 0.1261 |
| 117.0 | 0.4761 | 0.0466 | 0.1064 | 0.1162 |
| 135.0 | 0.4782 | 0.049 | 0.1096 | 0.12 |
| 153.0 | 0.3666 | 0.0402 | 0.1002 | 0.108 |
| 171.0 | 0.511 | 0.0861 | 0.1676 | 0.1884 |
Experiment comment: