Measurement E213M1004
| 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: | 3.5 — 4.2 GeV2 | |
| W: | 1.575 — 1.6 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π+), [deg] | dσ/d(−cos(θ(π+))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 0.9014 | 0.1109 | 0.1084 | 0.1624 |
| 27.0 | 0.8477 | 0.0631 | 0.0971 | 0.1416 |
| 45.0 | 0.8477 | 0.0985 | 0.1003 | 0.1552 |
| 63.0 | 0.6478 | 0.0468 | 0.0796 | 0.0923 |
| 81.0 | 0.7058 | 0.0423 | 0.0841 | 0.0941 |
| 99.0 | 0.6319 | 0.0554 | 0.0769 | 0.0948 |
| 117.0 | 0.7372 | 0.0443 | 0.0871 | 0.0977 |
| 135.0 | 0.5763 | 0.0461 | 0.0782 | 0.1163 |
| 153.0 | 0.5974 | 0.0644 | 0.2756 | 0.396 |
| 171.0 | 0.6783 | 0.0023 | 0.4053 | 0.571 |
Experiment comment: