Measurement E213M860
| Experiment: | E1-6, 2025 | |
|---|---|---|
| Year: | 2001 | |
| Spokespersons: | R.W. Gothe, A. Trivedi | |
| Reaction: | ep → π+π−p | |
| Polarization: | none | |
| Quantity: | dσ/d(−cos(θ(π+))) | |
| Q2: | 3.0 — 3.5 GeV2 | |
| W: | 1.9 — 1.925 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π+), [deg] | dσ/d(−cos(θ(π+))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 2.5368 | 0.1835 | 0.2938 | 0.4153 |
| 27.0 | 2.1223 | 0.1273 | 0.2525 | 0.3605 |
| 45.0 | 1.7154 | 0.1337 | 0.2357 | 0.332 |
| 63.0 | 1.7819 | 0.1146 | 0.2301 | 0.257 |
| 81.0 | 1.9114 | 0.2143 | 0.2485 | 0.3281 |
| 99.0 | 1.7414 | 0.1107 | 0.221 | 0.2472 |
| 117.0 | 1.7754 | 0.1205 | 0.2231 | 0.2535 |
| 135.0 | 1.2774 | 0.0866 | 0.2092 | 0.3011 |
| 153.0 | 1.085 | 0.0933 | 0.4142 | 0.5851 |
| 171.0 | 1.6084 | 0.0034 | 0.95 | 1.3459 |
Experiment comment: