Measurement E213M1274
| 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: | 4.2 — 5.0 GeV2 | |
| W: | 1.6 — 1.625 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π+), [deg] | dσ/d(−cos(θ(π+))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 0.8786 | 0.1491 | 0.1415 | 0.3766 |
| 27.0 | 0.6883 | 0.0724 | 0.1034 | 0.1456 |
| 45.0 | 0.5282 | 0.057 | 0.086 | 0.1032 |
| 63.0 | 0.5622 | 0.0727 | 0.0889 | 0.1149 |
| 81.0 | 0.5215 | 0.0459 | 0.0792 | 0.0916 |
| 99.0 | 0.4843 | 0.0591 | 0.0765 | 0.0967 |
| 117.0 | 0.5109 | 0.0458 | 0.0754 | 0.0882 |
| 135.0 | 0.4918 | 0.0532 | 0.0777 | 0.0942 |
| 153.0 | 0.4885 | 0.0921 | 0.2228 | 0.3146 |
| 171.0 | 0.5482 | 0.0024 | 0.3415 | 0.4835 |
Experiment comment: