Measurement E213M742
| 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: | 1.575 — 1.6 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π−), [deg] | dσ/d(−cos(θ(π−))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 1.667 | 0.2478 | 0.2394 | 0.3446 |
| 27.0 | 1.6983 | 0.1596 | 0.178 | 0.239 |
| 45.0 | 1.5333 | 0.1221 | 0.1575 | 0.1993 |
| 63.0 | 1.211 | 0.0837 | 0.126 | 0.1513 |
| 81.0 | 1.1934 | 0.0969 | 0.1218 | 0.1557 |
| 99.0 | 0.7647 | 0.0508 | 0.0829 | 0.0972 |
| 117.0 | 0.6867 | 0.0504 | 0.0762 | 0.1686 |
| 135.0 | 0.7734 | 0.0542 | 0.0824 | 0.1748 |
| 153.0 | 0.9889 | 0.0749 | 0.1038 | 0.2938 |
| 171.0 | 0.8574 | 0.1054 | 0.1218 | 0.1748 |
Experiment comment: