Measurement E213M1273
| 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: | 1.6 — 1.625 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π−), [deg] | dσ/d(−cos(θ(π−))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 0.8948 | 0.1343 | 0.2205 | 0.2581 |
| 27.0 | 0.9883 | 0.1055 | 0.168 | 0.1983 |
| 45.0 | 0.786 | 0.0969 | 0.1315 | 0.1633 |
| 63.0 | 0.4901 | 0.0531 | 0.0904 | 0.1049 |
| 81.0 | 0.5491 | 0.0521 | 0.0955 | 0.1088 |
| 99.0 | 0.4702 | 0.0698 | 0.0824 | 0.108 |
| 117.0 | 0.3275 | 0.0361 | 0.0639 | 0.0734 |
| 135.0 | 0.4001 | 0.0458 | 0.0709 | 0.0844 |
| 153.0 | 0.4838 | 0.0616 | 0.0862 | 0.1059 |
| 171.0 | 0.3314 | 0.0583 | 0.1042 | 0.1194 |
Experiment comment: