Measurement E213M1158
| 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: | 2.0 — 2.025 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(p), [deg] | dσ/d(−cos(θ(p))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 0.2311 | 0.0345 | 0.0717 | 0.0796 |
| 27.0 | 0.2655 | 0.0298 | 0.0547 | 0.0623 |
| 45.0 | 0.44 | 0.059 | 0.0926 | 0.1098 |
| 63.0 | 0.5999 | 0.0585 | 0.1577 | 0.1682 |
| 81.0 | 0.7709 | 0.036 | 0.1785 | 0.1821 |
| 99.0 | 0.9944 | 0.0487 | 0.2011 | 0.207 |
| 117.0 | 1.1885 | 0.0562 | 0.2183 | 0.2254 |
| 135.0 | 1.2563 | 0.0625 | 0.2298 | 0.2381 |
| 153.0 | 1.8475 | 0.1084 | 0.2949 | 0.3142 |
| 171.0 | 2.0765 | 0.1743 | 0.2852 | 0.3343 |
Experiment comment: