Measurement E213M221
| 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: | 2.0 — 2.4 GeV2 | |
| W: | 1.575 — 1.6 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π+), [deg] | dσ/d(−cos(θ(π+))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 3.0111 | 0.4057 | 0.3352 | 0.7813 |
| 27.0 | 2.9339 | 0.1314 | 0.2931 | 0.4204 |
| 45.0 | 2.5644 | 0.181 | 0.2941 | 0.3454 |
| 63.0 | 2.3161 | 0.1157 | 0.258 | 0.2828 |
| 81.0 | 2.4673 | 0.098 | 0.2657 | 0.2832 |
| 99.0 | 2.5371 | 0.1211 | 0.2747 | 0.3002 |
| 117.0 | 2.4201 | 0.1027 | 0.2994 | 0.3165 |
| 135.0 | 2.1546 | 0.1246 | 0.4575 | 0.4742 |
| 153.0 | 2.0077 | 0.0988 | 1.0818 | 1.5348 |
| 171.0 | 2.2605 | 0.0036 | 1.3272 | 1.8744 |
Experiment comment: