Measurement E213M438
| 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: | 2.4 — 3.0 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 | 0.7306 | 0.0807 | 0.303 | 0.7451 |
| 27.0 | 0.7439 | 0.0673 | 0.2082 | 0.2188 |
| 45.0 | 0.8677 | 0.0623 | 0.2071 | 0.2163 |
| 63.0 | 0.7672 | 0.0717 | 0.1654 | 0.1802 |
| 81.0 | 1.1205 | 0.072 | 0.1925 | 0.2056 |
| 99.0 | 1.3092 | 0.063 | 0.2123 | 0.2214 |
| 117.0 | 1.564 | 0.0755 | 0.2457 | 0.257 |
| 135.0 | 1.4814 | 0.0717 | 0.2341 | 0.2449 |
| 153.0 | 1.5168 | 0.0948 | 0.2481 | 0.2656 |
| 171.0 | 1.5644 | 0.1519 | 0.324 | 0.3578 |
Experiment comment: