Measurement E213M733
| 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: | 1.55 — 1.575 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π−), [deg] | dσ/d(−cos(θ(π−))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 1.5201 | 0.1773 | 0.3887 | 0.5558 |
| 27.0 | 1.5719 | 0.1139 | 0.3071 | 0.432 |
| 45.0 | 1.4656 | 0.0927 | 0.2789 | 0.2939 |
| 63.0 | 1.0894 | 0.0799 | 0.2128 | 0.2273 |
| 81.0 | 0.8314 | 0.0583 | 0.1667 | 0.1766 |
| 99.0 | 0.8571 | 0.0654 | 0.1692 | 0.1814 |
| 117.0 | 0.7902 | 0.0639 | 0.1553 | 0.168 |
| 135.0 | 0.6719 | 0.0469 | 0.1358 | 0.1436 |
| 153.0 | 0.8247 | 0.0643 | 0.1677 | 0.2418 |
| 171.0 | 0.9101 | 0.1066 | 0.2297 | 0.3298 |
Experiment comment: