Measurement E213M1444
| 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: | 2.075 — 2.1 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π−), [deg] | dσ/d(−cos(θ(π−))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 0.9049 | 0.1139 | 0.1752 | 0.2089 |
| 27.0 | 0.866 | 0.0785 | 0.1444 | 0.1644 |
| 45.0 | 0.7697 | 0.0686 | 0.1272 | 0.1446 |
| 63.0 | 0.6967 | 0.0623 | 0.1206 | 0.1358 |
| 81.0 | 0.6105 | 0.0432 | 0.1196 | 0.1271 |
| 99.0 | 0.5146 | 0.04 | 0.1165 | 0.1232 |
| 117.0 | 0.4733 | 0.0524 | 0.1183 | 0.1294 |
| 135.0 | 0.2981 | 0.0691 | 0.1041 | 0.125 |
| 153.0 | 0.3446 | 0.0369 | 0.1157 | 0.1214 |
| 171.0 | 0.3319 | 0.0242 | 0.1721 | 0.1738 |
Experiment comment: