Measurement E213M1230
| 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: | 1.475 — 1.5 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(p), [deg] | dσ/d(−cos(θ(p))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 0.2621 | 0.0403 | 0.1266 | 0.189 |
| 27.0 | 0.2434 | 0.0409 | 0.0862 | 0.1328 |
| 45.0 | 0.2695 | 0.0373 | 0.0826 | 0.1202 |
| 63.0 | 0.3891 | 0.0478 | 0.0933 | 0.1048 |
| 81.0 | 0.3663 | 0.0834 | 0.0835 | 0.118 |
| 99.0 | 0.4186 | 0.0767 | 0.0911 | 0.1191 |
| 117.0 | 0.574 | 0.0608 | 0.1181 | 0.1329 |
| 135.0 | 0.5342 | 0.0614 | 0.1113 | 0.1272 |
| 153.0 | 0.6062 | 0.0679 | 0.129 | 0.1817 |
| 171.0 | 0.5403 | 0.0917 | 0.1482 | 0.2051 |
Experiment comment: