Measurement E213M177
| 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: | 2.0 — 2.4 GeV2 | |
| W: | 1.45 — 1.475 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(p), [deg] | dσ/d(−cos(θ(p))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 2.1486 | 0.1066 | 1.1023 | 1.5619 |
| 27.0 | 2.0194 | 0.1227 | 0.7109 | 1.0137 |
| 45.0 | 1.6999 | 0.12 | 0.497 | 0.5113 |
| 63.0 | 1.7593 | 0.1002 | 0.3757 | 0.3889 |
| 81.0 | 2.0281 | 0.1107 | 0.3381 | 0.3557 |
| 99.0 | 2.1787 | 0.0956 | 0.335 | 0.3484 |
| 117.0 | 2.5815 | 0.1211 | 0.38 | 0.3988 |
| 135.0 | 2.879 | 0.1268 | 0.3949 | 0.4148 |
| 153.0 | 2.9402 | 0.1626 | 0.4169 | 0.4475 |
| 171.0 | 2.7032 | 0.203 | 0.6975 | 0.7264 |
Experiment comment: