Measurement E213M213
| Experiment: | E1-6, 2025 | |
|---|---|---|
| Year: | 2001 | |
| Spokespersons: | R.W. Gothe, A. Trivedi | |
| Reaction: | ep → π+π−p | |
| Polarization: | none | |
| Quantity: | dσ/d(−cos(θ(p))) | |
| Q2: | 2.0 — 2.4 GeV2 | |
| W: | 1.55 — 1.575 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(p), [deg] | dσ/d(−cos(θ(p))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 1.7451 | 0.0989 | 0.8859 | 1.2621 |
| 27.0 | 1.4551 | 0.0843 | 0.5263 | 0.7429 |
| 45.0 | 1.3903 | 0.1566 | 0.3806 | 0.5425 |
| 63.0 | 1.7238 | 0.0884 | 0.3443 | 0.3554 |
| 81.0 | 2.1743 | 0.1012 | 0.4175 | 0.4296 |
| 99.0 | 2.6477 | 0.1117 | 0.535 | 0.5466 |
| 117.0 | 2.8961 | 0.1192 | 0.584 | 0.5961 |
| 135.0 | 2.9716 | 0.1149 | 0.562 | 0.5736 |
| 153.0 | 3.515 | 0.1447 | 0.5314 | 0.5507 |
| 171.0 | 3.4442 | 0.2341 | 0.726 | 0.7628 |
Experiment comment: