Measurement E213M1453
| 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: | 2.1 — 2.125 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π−), [deg] | dσ/d(−cos(θ(π−))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 0.7896 | 0.1065 | 0.1807 | 0.2098 |
| 27.0 | 0.812 | 0.0687 | 0.159 | 0.1732 |
| 45.0 | 0.7284 | 0.0515 | 0.1406 | 0.1498 |
| 63.0 | 0.6809 | 0.0498 | 0.1365 | 0.1453 |
| 81.0 | 0.5113 | 0.0348 | 0.1236 | 0.1284 |
| 99.0 | 0.5113 | 0.0426 | 0.1305 | 0.1373 |
| 117.0 | 0.3671 | 0.0454 | 0.117 | 0.1255 |
| 135.0 | 0.3041 | 0.026 | 0.1128 | 0.1158 |
| 153.0 | 0.2844 | 0.0287 | 0.1189 | 0.1223 |
| 171.0 | 0.2862 | 0.009 | 0.173 | 0.1733 |
Experiment comment: