Measurement E213M545
| 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: | 1.75 — 1.775 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π+), [deg] | dσ/d(−cos(θ(π+))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 2.5337 | 0.1839 | 0.3006 | 0.3523 |
| 27.0 | 2.5451 | 0.1072 | 0.2845 | 0.304 |
| 45.0 | 2.3199 | 0.2195 | 0.2745 | 0.3515 |
| 63.0 | 2.6186 | 0.1028 | 0.2956 | 0.3129 |
| 81.0 | 2.6592 | 0.1088 | 0.307 | 0.3257 |
| 99.0 | 2.6738 | 0.0853 | 0.3031 | 0.4302 |
| 117.0 | 2.4676 | 0.0849 | 0.289 | 0.4058 |
| 135.0 | 2.0679 | 0.1567 | 0.3264 | 0.4689 |
| 153.0 | 1.8759 | 0.2274 | 0.7239 | 1.0263 |
| 171.0 | 2.2395 | 0.003 | 1.3291 | 1.9254 |
Experiment comment: