Measurement E213M1445
| 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: | 4.2 — 5.0 GeV2 | |
| W: | 2.075 — 2.1 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π+), [deg] | dσ/d(−cos(θ(π+))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 0.9732 | 0.1761 | 0.1523 | 0.2328 |
| 27.0 | 0.9033 | 0.0926 | 0.1835 | 0.2055 |
| 45.0 | 0.7621 | 0.052 | 0.1787 | 0.1861 |
| 63.0 | 0.777 | 0.0573 | 0.168 | 0.1775 |
| 81.0 | 0.577 | 0.0401 | 0.1083 | 0.1155 |
| 99.0 | 0.589 | 0.0425 | 0.1081 | 0.1161 |
| 117.0 | 0.4722 | 0.0382 | 0.0986 | 0.1057 |
| 135.0 | 0.3725 | 0.0349 | 0.0964 | 0.1025 |
| 153.0 | 0.3523 | 0.0238 | 0.163 | 0.1647 |
| 171.0 | 0.5941 | 0.0018 | 0.3475 | 0.3475 |
Experiment comment: