Measurement E213M211
| 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: | 2.0 — 2.4 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 | 3.0859 | 0.2067 | 0.9279 | 1.3185 |
| 27.0 | 4.1313 | 0.206 | 0.6951 | 0.725 |
| 45.0 | 3.3753 | 0.1525 | 0.6141 | 0.6327 |
| 63.0 | 2.7174 | 0.1327 | 0.5288 | 0.5452 |
| 81.0 | 2.1215 | 0.0993 | 0.4384 | 0.4495 |
| 99.0 | 1.9497 | 0.0996 | 0.3931 | 0.4055 |
| 117.0 | 1.7658 | 0.0848 | 0.3456 | 0.3558 |
| 135.0 | 1.8655 | 0.0915 | 0.3562 | 0.3678 |
| 153.0 | 1.857 | 0.1716 | 0.3876 | 0.4239 |
| 171.0 | 2.0701 | 0.1458 | 0.6802 | 0.6956 |
Experiment comment: