Measurement E213M1266
| 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: | 4.2 — 5.0 GeV2 | |
| W: | 1.575 — 1.6 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(p), [deg] | dσ/d(−cos(θ(p))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 0.1359 | 0.04 | 0.0755 | 0.11 |
| 27.0 | 0.1469 | 0.0244 | 0.0577 | 0.0865 |
| 45.0 | 0.2218 | 0.0303 | 0.0742 | 0.105 |
| 63.0 | 0.253 | 0.0683 | 0.0786 | 0.1042 |
| 81.0 | 0.3937 | 0.0497 | 0.1114 | 0.1219 |
| 99.0 | 0.4936 | 0.0719 | 0.1372 | 0.1549 |
| 117.0 | 0.46 | 0.0442 | 0.1286 | 0.1359 |
| 135.0 | 0.6385 | 0.0605 | 0.1743 | 0.1845 |
| 153.0 | 0.6054 | 0.0665 | 0.1664 | 0.1792 |
| 171.0 | 0.5722 | 0.0983 | 0.174 | 0.1998 |
Experiment comment: