Measurement E213M437
| 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: | 2.4 — 3.0 GeV2 | |
| W: | 1.45 — 1.475 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π+), [deg] | dσ/d(−cos(θ(π+))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 1.6497 | 0.1472 | 0.2778 | 0.3144 |
| 27.0 | 1.7321 | 0.0832 | 0.2622 | 0.275 |
| 45.0 | 1.5735 | 0.0718 | 0.2387 | 0.2493 |
| 63.0 | 1.538 | 0.0879 | 0.2381 | 0.2538 |
| 81.0 | 1.2694 | 0.0605 | 0.1935 | 0.2027 |
| 99.0 | 1.1463 | 0.053 | 0.1767 | 0.1845 |
| 117.0 | 1.0144 | 0.0748 | 0.1749 | 0.1902 |
| 135.0 | 0.791 | 0.0817 | 0.2258 | 0.9102 |
| 153.0 | 1.0805 | 0.0049 | 0.6943 | 0.6943 |
| 171.0 | 1.0628 | 0.0032 | 0.6829 | 0.6829 |
Experiment comment: