Measurement E213M1292
| 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: | 4.2 — 5.0 GeV2 | |
| W: | 1.65 — 1.675 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π+), [deg] | dσ/d(−cos(θ(π+))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 1.3756 | 0.1747 | 0.2747 | 0.3885 |
| 27.0 | 0.9629 | 0.1062 | 0.1894 | 0.2727 |
| 45.0 | 0.8193 | 0.0962 | 0.1653 | 0.1913 |
| 63.0 | 0.7168 | 0.0758 | 0.149 | 0.1671 |
| 81.0 | 0.7635 | 0.1046 | 0.1531 | 0.1855 |
| 99.0 | 0.5885 | 0.0556 | 0.1202 | 0.1324 |
| 117.0 | 0.6736 | 0.0505 | 0.1305 | 0.1399 |
| 135.0 | 0.4871 | 0.0477 | 0.1049 | 0.1504 |
| 153.0 | 0.5973 | 0.1044 | 0.2819 | 0.4004 |
| 171.0 | 0.7871 | 0.0029 | 0.5263 | 0.7419 |
Experiment comment: