Measurement E213M698
| 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: | 1.45 — 1.475 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π+), [deg] | dσ/d(−cos(θ(π+))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 1.2815 | 0.1292 | 0.2102 | 0.3037 |
| 27.0 | 1.0016 | 0.0666 | 0.155 | 0.2204 |
| 45.0 | 1.0058 | 0.0707 | 0.1551 | 0.1705 |
| 63.0 | 0.9034 | 0.0617 | 0.1426 | 0.1554 |
| 81.0 | 0.8618 | 0.047 | 0.1332 | 0.1412 |
| 99.0 | 0.7595 | 0.0467 | 0.1182 | 0.1271 |
| 117.0 | 0.7778 | 0.0632 | 0.1251 | 0.1401 |
| 135.0 | 0.5813 | 0.0927 | 0.1317 | 0.161 |
| 153.0 | 0.6745 | 0.005 | 0.4339 | 0.6144 |
| 171.0 | 0.7099 | 0.003 | 0.4567 | 0.6433 |
Experiment comment: