Measurement E213M888
| Experiment: | E1-6, 2025 | |
|---|---|---|
| Year: | 2001 | |
| Spokespersons: | R.W. Gothe, A. Trivedi | |
| Reaction: | ep → π+π−p | |
| Polarization: | none | |
| Quantity: | dσ/d(−cos(θ(p))) | |
| Q2: | 3.0 — 3.5 GeV2 | |
| W: | 1.975 — 2.0 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(p), [deg] | dσ/d(−cos(θ(p))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 0.7989 | 0.0708 | 0.1459 | 0.1621 |
| 27.0 | 0.8257 | 0.0619 | 0.111 | 0.1271 |
| 45.0 | 0.8507 | 0.057 | 0.1335 | 0.1452 |
| 63.0 | 1.0024 | 0.061 | 0.2213 | 0.2295 |
| 81.0 | 1.2972 | 0.1046 | 0.1993 | 0.225 |
| 99.0 | 1.6921 | 0.1069 | 0.2215 | 0.246 |
| 117.0 | 2.0077 | 0.149 | 0.2701 | 0.3085 |
| 135.0 | 1.9894 | 0.1251 | 0.2762 | 0.3032 |
| 153.0 | 2.7851 | 0.1908 | 0.3523 | 0.4006 |
| 171.0 | 3.4189 | 0.2248 | 0.4003 | 0.4591 |
Experiment comment: