Measurement E213M1093
| 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: | 1.825 — 1.85 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π−), [deg] | dσ/d(−cos(θ(π−))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 0.9415 | 0.1111 | 0.2244 | 0.2504 |
| 27.0 | 0.9515 | 0.0991 | 0.1496 | 0.1795 |
| 45.0 | 1.2397 | 0.0766 | 0.1765 | 0.1923 |
| 63.0 | 1.3301 | 0.0947 | 0.1852 | 0.208 |
| 81.0 | 1.2892 | 0.089 | 0.1803 | 0.2011 |
| 99.0 | 1.0708 | 0.0715 | 0.1574 | 0.1729 |
| 117.0 | 0.8664 | 0.073 | 0.1328 | 0.1515 |
| 135.0 | 0.8525 | 0.0712 | 0.1183 | 0.1381 |
| 153.0 | 1.0032 | 0.0862 | 0.1251 | 0.1519 |
| 171.0 | 0.8193 | 0.1106 | 0.1624 | 0.1965 |
Experiment comment: