Measurement E213M1228
| 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: | 1.475 — 1.5 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π−), [deg] | dσ/d(−cos(θ(π−))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 0.4923 | 0.1097 | 0.1866 | 0.2165 |
| 27.0 | 0.5788 | 0.0752 | 0.1459 | 0.1641 |
| 45.0 | 0.5916 | 0.0702 | 0.136 | 0.1531 |
| 63.0 | 0.3276 | 0.099 | 0.0811 | 0.128 |
| 81.0 | 0.4287 | 0.0476 | 0.0967 | 0.1078 |
| 99.0 | 0.4009 | 0.0427 | 0.092 | 0.1014 |
| 117.0 | 0.4072 | 0.0459 | 0.0927 | 0.1034 |
| 135.0 | 0.4022 | 0.0432 | 0.093 | 0.1026 |
| 153.0 | 0.4528 | 0.054 | 0.1084 | 0.1211 |
| 171.0 | 0.4439 | 0.0877 | 0.1476 | 0.1717 |
Experiment comment: