Measurement E213M689
| 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: | 3.0 — 3.5 GeV2 | |
| W: | 1.425 — 1.45 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π+), [deg] | dσ/d(−cos(θ(π+))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 1.0969 | 0.1325 | 0.1803 | 0.2565 |
| 27.0 | 0.9313 | 0.066 | 0.1443 | 0.1587 |
| 45.0 | 0.7943 | 0.0579 | 0.1243 | 0.1372 |
| 63.0 | 0.7274 | 0.0592 | 0.1166 | 0.1308 |
| 81.0 | 0.6716 | 0.043 | 0.1063 | 0.1147 |
| 99.0 | 0.6324 | 0.0463 | 0.1 | 0.1102 |
| 117.0 | 0.501 | 0.0429 | 0.0845 | 0.0948 |
| 135.0 | 0.4502 | 0.064 | 0.1123 | 0.16 |
| 153.0 | 0.5553 | 0.0041 | 0.3582 | 0.2209 |
| 171.0 | 0.5651 | 0.0029 | 0.3645 | 0.2528 |
Experiment comment: