Measurement E213M861
| 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: | 3.0 — 3.5 GeV2 | |
| W: | 1.9 — 1.925 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(p), [deg] | dσ/d(−cos(θ(p))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 0.9842 | 0.0866 | 0.1768 | 0.1968 |
| 27.0 | 1.0726 | 0.0668 | 0.14 | 0.1551 |
| 45.0 | 0.9446 | 0.0618 | 0.134 | 0.1476 |
| 63.0 | 1.2553 | 0.0943 | 0.1999 | 0.221 |
| 81.0 | 1.7213 | 0.1527 | 0.2461 | 0.2896 |
| 99.0 | 1.7902 | 0.1561 | 0.2245 | 0.2735 |
| 117.0 | 2.2192 | 0.1202 | 0.2736 | 0.2988 |
| 135.0 | 2.1089 | 0.1365 | 0.2775 | 0.3092 |
| 153.0 | 2.5431 | 0.1794 | 0.2997 | 0.3493 |
| 171.0 | 3.0012 | 0.2047 | 0.3613 | 0.4153 |
Experiment comment: