Measurement E213M1076
| 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: | 1.775 — 1.8 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π+), [deg] | dσ/d(−cos(θ(π+))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 1.7124 | 0.1566 | 0.1782 | 0.2373 |
| 27.0 | 1.3927 | 0.0991 | 0.1488 | 0.1788 |
| 45.0 | 1.2731 | 0.1289 | 0.1422 | 0.1919 |
| 63.0 | 1.1712 | 0.0664 | 0.136 | 0.1514 |
| 81.0 | 1.2167 | 0.0839 | 0.142 | 0.165 |
| 99.0 | 1.1728 | 0.053 | 0.1325 | 0.1427 |
| 117.0 | 1.2444 | 0.0693 | 0.1368 | 0.1533 |
| 135.0 | 0.8949 | 0.0794 | 0.1223 | 0.1459 |
| 153.0 | 0.5905 | 0.0503 | 0.2621 | 0.2668 |
| 171.0 | 1.0443 | 0.0024 | 0.6116 | 0.6116 |
Experiment comment: