Measurement E213M1094
| 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: | 1.825 — 1.85 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π+), [deg] | dσ/d(−cos(θ(π+))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 1.5917 | 0.138 | 0.1925 | 0.2368 |
| 27.0 | 1.4133 | 0.0916 | 0.1728 | 0.1956 |
| 45.0 | 1.4679 | 0.1316 | 0.1905 | 0.2315 |
| 63.0 | 1.1345 | 0.0925 | 0.1548 | 0.1803 |
| 81.0 | 0.9067 | 0.1013 | 0.1371 | 0.1704 |
| 99.0 | 1.2049 | 0.0667 | 0.1543 | 0.1682 |
| 117.0 | 1.0001 | 0.056 | 0.1342 | 0.1454 |
| 135.0 | 0.8202 | 0.0665 | 0.1369 | 0.1522 |
| 153.0 | 0.6893 | 0.062 | 0.2787 | 0.2855 |
| 171.0 | 0.9957 | 0.0024 | 0.5908 | 0.5908 |
Experiment comment: