Measurement E213M1338
| 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: | 1.775 — 1.8 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(p), [deg] | dσ/d(−cos(θ(p))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 0.34 | 0.0437 | 0.0972 | 0.1066 |
| 27.0 | 0.2729 | 0.0349 | 0.0584 | 0.068 |
| 45.0 | 0.3016 | 0.0262 | 0.0537 | 0.0597 |
| 63.0 | 0.5681 | 0.0792 | 0.0904 | 0.1202 |
| 81.0 | 0.6365 | 0.0479 | 0.1137 | 0.1234 |
| 99.0 | 0.9988 | 0.0736 | 0.152 | 0.1689 |
| 117.0 | 1.0927 | 0.076 | 0.1616 | 0.1786 |
| 135.0 | 0.974 | 0.083 | 0.153 | 0.1741 |
| 153.0 | 0.8806 | 0.0799 | 0.139 | 0.1603 |
| 171.0 | 0.839 | 0.1344 | 0.1509 | 0.202 |
Experiment comment: