Measurement E213M1347
| 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: | 1.8 — 1.825 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(p), [deg] | dσ/d(−cos(θ(p))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 0.2939 | 0.0374 | 0.1036 | 0.1102 |
| 27.0 | 0.2554 | 0.0298 | 0.0606 | 0.0675 |
| 45.0 | 0.3451 | 0.0343 | 0.0618 | 0.0707 |
| 63.0 | 0.4404 | 0.0394 | 0.0914 | 0.0996 |
| 81.0 | 0.7574 | 0.0594 | 0.134 | 0.1466 |
| 99.0 | 0.885 | 0.0529 | 0.1496 | 0.1586 |
| 117.0 | 1.0722 | 0.082 | 0.1671 | 0.1861 |
| 135.0 | 0.8559 | 0.066 | 0.1522 | 0.1659 |
| 153.0 | 0.9545 | 0.0862 | 0.1551 | 0.1775 |
| 171.0 | 0.947 | 0.1219 | 0.1767 | 0.2146 |
Experiment comment: