Measurement E213M1192
| 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: | 3.5 — 4.2 GeV2 | |
| W: | 2.1 — 2.125 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π−), [deg] | dσ/d(−cos(θ(π−))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 1.199 | 0.2339 | 0.1757 | 0.2925 |
| 27.0 | 1.4103 | 0.1345 | 0.1721 | 0.2184 |
| 45.0 | 0.9765 | 0.0654 | 0.1349 | 0.1499 |
| 63.0 | 0.8926 | 0.056 | 0.1313 | 0.1428 |
| 81.0 | 0.7564 | 0.0531 | 0.1274 | 0.138 |
| 99.0 | 0.6667 | 0.0445 | 0.1262 | 0.1339 |
| 117.0 | 0.4476 | 0.0278 | 0.1081 | 0.1116 |
| 135.0 | 0.4434 | 0.0406 | 0.1048 | 0.1124 |
| 153.0 | 0.5352 | 0.0561 | 0.1088 | 0.1225 |
| 171.0 | 0.3988 | 0.0589 | 0.1327 | 0.1452 |
Experiment comment: