Measurement E213M591
| Experiment: | E1-6, 2025 | |
|---|---|---|
| Year: | 2001 | |
| Spokespersons: | R.W. Gothe, A. Trivedi | |
| Reaction: | ep → π+π−p | |
| Polarization: | none | |
| Quantity: | dσ/d(−cos(θ(p))) | |
| Q2: | 2.4 — 3.0 GeV2 | |
| W: | 1.875 — 1.9 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(p), [deg] | dσ/d(−cos(θ(p))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 1.744 | 0.1354 | 0.2992 | 0.5283 |
| 27.0 | 1.7152 | 0.0708 | 0.2245 | 0.3149 |
| 45.0 | 1.5114 | 0.0928 | 0.2135 | 0.3015 |
| 63.0 | 1.6257 | 0.0852 | 0.2641 | 0.3743 |
| 81.0 | 2.1484 | 0.1326 | 0.3069 | 0.3343 |
| 99.0 | 2.7461 | 0.1548 | 0.3352 | 0.3692 |
| 117.0 | 2.7134 | 0.1022 | 0.3506 | 0.3652 |
| 135.0 | 2.782 | 0.1341 | 0.3551 | 0.5015 |
| 153.0 | 3.4895 | 0.1797 | 0.402 | 0.574 |
| 171.0 | 3.8561 | 0.2142 | 0.4847 | 1.0347 |
Experiment comment: