Measurement E213M1077
| 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: | 3.5 — 4.2 GeV2 | |
| W: | 1.775 — 1.8 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(p), [deg] | dσ/d(−cos(θ(p))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 0.6683 | 0.0676 | 0.1497 | 0.1642 |
| 27.0 | 0.6519 | 0.0588 | 0.0951 | 0.1118 |
| 45.0 | 0.6365 | 0.0488 | 0.0844 | 0.0975 |
| 63.0 | 0.8834 | 0.0655 | 0.1097 | 0.1278 |
| 81.0 | 1.1998 | 0.0878 | 0.1575 | 0.1803 |
| 99.0 | 1.6095 | 0.1039 | 0.1866 | 0.2136 |
| 117.0 | 1.512 | 0.0997 | 0.1781 | 0.2041 |
| 135.0 | 1.3844 | 0.0861 | 0.1646 | 0.1858 |
| 153.0 | 1.3789 | 0.1001 | 0.158 | 0.187 |
| 171.0 | 1.5072 | 0.1333 | 0.1772 | 0.2217 |
Experiment comment: