Measurement E213M1147
| 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: | 1.975 — 2.0 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π−), [deg] | dσ/d(−cos(θ(π−))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 1.6888 | 0.1803 | 0.3058 | 0.355 |
| 27.0 | 1.4757 | 0.1274 | 0.2285 | 0.2617 |
| 45.0 | 1.3268 | 0.0996 | 0.2152 | 0.2371 |
| 63.0 | 1.1677 | 0.0696 | 0.2012 | 0.2129 |
| 81.0 | 1.0834 | 0.0724 | 0.1942 | 0.2073 |
| 99.0 | 1.014 | 0.0702 | 0.1858 | 0.1986 |
| 117.0 | 0.833 | 0.115 | 0.1648 | 0.2009 |
| 135.0 | 0.7998 | 0.0844 | 0.1574 | 0.1786 |
| 153.0 | 0.8961 | 0.079 | 0.1539 | 0.173 |
| 171.0 | 0.9584 | 0.1207 | 0.2253 | 0.2556 |
Experiment comment: