Measurement E213M1084
| 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: | 3.5 — 4.2 GeV2 | |
| W: | 1.8 — 1.825 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π−), [deg] | dσ/d(−cos(θ(π−))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 1.2162 | 0.1605 | 0.2419 | 0.2903 |
| 27.0 | 1.3696 | 0.1204 | 0.1672 | 0.206 |
| 45.0 | 1.2988 | 0.0896 | 0.1622 | 0.1853 |
| 63.0 | 1.3851 | 0.0963 | 0.1701 | 0.1954 |
| 81.0 | 1.5798 | 0.0899 | 0.1866 | 0.2072 |
| 99.0 | 1.3121 | 0.0781 | 0.1615 | 0.1794 |
| 117.0 | 0.9676 | 0.064 | 0.127 | 0.1422 |
| 135.0 | 0.8251 | 0.0692 | 0.1002 | 0.1218 |
| 153.0 | 0.9403 | 0.0938 | 0.1051 | 0.1409 |
| 171.0 | 1.1468 | 0.1713 | 0.1718 | 0.2426 |
Experiment comment: