Measurement E213M455
| 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: | 2.4 — 3.0 GeV2 | |
| W: | 1.5 — 1.525 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π+), [deg] | dσ/d(−cos(θ(π+))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 2.0238 | 0.256 | 0.3108 | 0.4726 |
| 27.0 | 2.2977 | 0.0989 | 0.3163 | 0.4491 |
| 45.0 | 2.0638 | 0.1153 | 0.2912 | 0.3132 |
| 63.0 | 1.9595 | 0.0908 | 0.2796 | 0.2939 |
| 81.0 | 1.7259 | 0.0687 | 0.2418 | 0.2513 |
| 99.0 | 1.887 | 0.08 | 0.2642 | 0.276 |
| 117.0 | 1.9212 | 0.09 | 0.2777 | 0.4015 |
| 135.0 | 1.2853 | 0.1003 | 0.2671 | 0.4019 |
| 153.0 | 1.4535 | 0.0128 | 0.9098 | 1.2888 |
| 171.0 | 1.5492 | 0.0032 | 0.9737 | 1.3281 |
Experiment comment: