Measurement E213M886
| 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: | 1.975 — 2.0 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π−), [deg] | dσ/d(−cos(θ(π−))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 2.2248 | 0.2112 | 0.3221 | 0.4549 |
| 27.0 | 1.9144 | 0.111 | 0.2356 | 0.337 |
| 45.0 | 1.7241 | 0.0864 | 0.2281 | 0.3285 |
| 63.0 | 1.6504 | 0.0891 | 0.2269 | 0.3296 |
| 81.0 | 1.6673 | 0.1207 | 0.2306 | 0.2603 |
| 99.0 | 1.5485 | 0.0816 | 0.2171 | 0.232 |
| 117.0 | 1.2313 | 0.0881 | 0.1824 | 0.262 |
| 135.0 | 1.1914 | 0.0742 | 0.1723 | 0.245 |
| 153.0 | 1.4202 | 0.1092 | 0.1713 | 0.2479 |
| 171.0 | 1.3528 | 0.1434 | 0.2223 | 0.3151 |
Experiment comment: