Measurement E213M1112
| 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: | 3.5 — 4.2 GeV2 | |
| W: | 1.875 — 1.9 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π+), [deg] | dσ/d(−cos(θ(π+))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 1.9085 | 0.1735 | 0.2739 | 0.3243 |
| 27.0 | 1.5373 | 0.1215 | 0.2254 | 0.2561 |
| 45.0 | 1.192 | 0.1068 | 0.2051 | 0.2312 |
| 63.0 | 1.3957 | 0.1468 | 0.2185 | 0.2632 |
| 81.0 | 1.2543 | 0.0909 | 0.2084 | 0.2274 |
| 99.0 | 1.3054 | 0.0759 | 0.2013 | 0.2152 |
| 117.0 | 1.1528 | 0.0695 | 0.182 | 0.1948 |
| 135.0 | 1.0582 | 0.1423 | 0.1849 | 0.2333 |
| 153.0 | 0.7996 | 0.0984 | 0.3112 | 0.3263 |
| 171.0 | 1.1567 | 0.0027 | 0.7155 | 0.7155 |
Experiment comment: