Measurement E213M852
| 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: | 3.0 — 3.5 GeV2 | |
| W: | 1.875 — 1.9 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(p), [deg] | dσ/d(−cos(θ(p))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 1.1604 | 0.094 | 0.1833 | 0.206 |
| 27.0 | 0.9254 | 0.0775 | 0.1156 | 0.1392 |
| 45.0 | 1.0143 | 0.065 | 0.1243 | 0.1403 |
| 63.0 | 1.1377 | 0.085 | 0.1634 | 0.1842 |
| 81.0 | 1.6127 | 0.1141 | 0.212 | 0.2408 |
| 99.0 | 2.0837 | 0.1738 | 0.2229 | 0.2827 |
| 117.0 | 2.0755 | 0.1518 | 0.2325 | 0.2777 |
| 135.0 | 2.1751 | 0.1536 | 0.2446 | 0.2889 |
| 153.0 | 2.3666 | 0.1992 | 0.2451 | 0.3159 |
| 171.0 | 2.5918 | 0.2328 | 0.2805 | 0.3645 |
Experiment comment: