Measurement E213M951
| 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: | 1.425 — 1.45 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(p), [deg] | dσ/d(−cos(θ(p))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 0.3365 | 0.0596 | 0.1961 | 0.2049 |
| 27.0 | 0.3294 | 0.0518 | 0.1354 | 0.145 |
| 45.0 | 0.3574 | 0.0471 | 0.1246 | 0.1333 |
| 63.0 | 0.2968 | 0.0326 | 0.0936 | 0.0991 |
| 81.0 | 0.4433 | 0.0594 | 0.1188 | 0.1328 |
| 99.0 | 0.5139 | 0.0434 | 0.1332 | 0.1401 |
| 117.0 | 0.45 | 0.1486 | 0.1164 | 0.1887 |
| 135.0 | 0.633 | 0.053 | 0.1605 | 0.169 |
| 153.0 | 0.6126 | 0.0635 | 0.1618 | 0.1738 |
| 171.0 | 0.6894 | 0.1242 | 0.2242 | 0.2472 |
Experiment comment: