Measurement E213M869
| 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: | 1.925 — 1.95 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π+), [deg] | dσ/d(−cos(θ(π+))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 2.3158 | 0.1664 | 0.2757 | 0.9092 |
| 27.0 | 2.3014 | 0.165 | 0.2716 | 0.3865 |
| 45.0 | 1.8906 | 0.1852 | 0.2634 | 0.3737 |
| 63.0 | 1.7629 | 0.1505 | 0.2371 | 0.3449 |
| 81.0 | 1.7445 | 0.1307 | 0.2394 | 0.3466 |
| 99.0 | 1.585 | 0.0818 | 0.216 | 0.3096 |
| 117.0 | 1.4668 | 0.0695 | 0.2033 | 0.2919 |
| 135.0 | 1.1621 | 0.0663 | 0.1986 | 0.2863 |
| 153.0 | 1.0085 | 0.0985 | 0.3676 | 0.5205 |
| 171.0 | 1.5233 | 0.0036 | 0.899 | 1.2746 |
Experiment comment: