Measurement E213M1229
| 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: | 1.475 — 1.5 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π+), [deg] | dσ/d(−cos(θ(π+))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 0.6203 | 0.1002 | 0.1386 | 0.1971 |
| 27.0 | 0.6389 | 0.0698 | 0.1245 | 0.1872 |
| 45.0 | 0.6649 | 0.0651 | 0.1316 | 0.1886 |
| 63.0 | 0.6003 | 0.0749 | 0.119 | 0.1406 |
| 81.0 | 0.4523 | 0.0454 | 0.0899 | 0.1007 |
| 99.0 | 0.4513 | 0.0485 | 0.0904 | 0.1026 |
| 117.0 | 0.3173 | 0.0645 | 0.0683 | 0.0939 |
| 135.0 | 0.5313 | 0.1456 | 0.1122 | 0.1838 |
| 153.0 | 0.368 | 0.0035 | 0.2484 | 0.2064 |
| 171.0 | 0.4312 | 0.0024 | 0.291 | 0.1908 |
Experiment comment: