Measurement E213M887
| 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: | 3.0 — 3.5 GeV2 | |
| W: | 1.975 — 2.0 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π+), [deg] | dσ/d(−cos(θ(π+))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 2.7256 | 0.1978 | 0.3041 | 0.4326 |
| 27.0 | 2.4457 | 0.1591 | 0.285 | 0.4132 |
| 45.0 | 1.7724 | 0.1361 | 0.2658 | 0.2987 |
| 63.0 | 1.5831 | 0.0948 | 0.2274 | 0.2464 |
| 81.0 | 1.665 | 0.1094 | 0.2297 | 0.2544 |
| 99.0 | 1.5319 | 0.0796 | 0.2121 | 0.2266 |
| 117.0 | 1.5167 | 0.0835 | 0.2059 | 0.2965 |
| 135.0 | 1.1211 | 0.0718 | 0.1907 | 0.2704 |
| 153.0 | 0.9709 | 0.1102 | 0.344 | 0.495 |
| 171.0 | 1.5269 | 0.0483 | 0.8617 | 1.2233 |
Experiment comment: