Measurement E213M968
| 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: | 1.475 — 1.5 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π+), [deg] | dσ/d(−cos(θ(π+))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 0.9498 | 0.1145 | 0.1738 | 0.2082 |
| 27.0 | 1.0197 | 0.073 | 0.1696 | 0.1847 |
| 45.0 | 0.8672 | 0.0622 | 0.1473 | 0.1599 |
| 63.0 | 0.7987 | 0.0592 | 0.1369 | 0.1492 |
| 81.0 | 0.8209 | 0.0587 | 0.1379 | 0.1499 |
| 99.0 | 0.6856 | 0.0489 | 0.1164 | 0.1262 |
| 117.0 | 0.6252 | 0.0613 | 0.1089 | 0.125 |
| 135.0 | 0.5665 | 0.072 | 0.1166 | 0.137 |
| 153.0 | -0.0999 | 0.6634 | -0.0156 | 0.6636 |
| 171.0 | 0.5983 | 0.0025 | 0.3926 | 0.3927 |
Experiment comment: