Measurement E213M1418
| 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: | 4.2 — 5.0 GeV2 | |
| W: | 2.0 — 2.025 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π+), [deg] | dσ/d(−cos(θ(π+))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 1.1532 | 0.1473 | 0.1533 | 0.2126 |
| 27.0 | 0.9588 | 0.1073 | 0.1567 | 0.1899 |
| 45.0 | 0.8479 | 0.0703 | 0.1865 | 0.1993 |
| 63.0 | 0.8012 | 0.1113 | 0.1722 | 0.205 |
| 81.0 | 0.8432 | 0.1001 | 0.129 | 0.1632 |
| 99.0 | 0.5766 | 0.0366 | 0.1012 | 0.1077 |
| 117.0 | 0.5026 | 0.0484 | 0.0914 | 0.1034 |
| 135.0 | 0.4208 | 0.0686 | 0.0899 | 0.1131 |
| 153.0 | 0.3339 | 0.0327 | 0.1546 | 0.158 |
| 171.0 | 0.648 | 0.0021 | 0.3776 | 0.3776 |
Experiment comment: