Measurement E213M256
| 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: | 2.0 — 2.4 GeV2 | |
| W: | 1.675 — 1.7 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π−), [deg] | dσ/d(−cos(θ(π−))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 4.6684 | 0.3456 | 0.9479 | 1.009 |
| 27.0 | 4.8533 | 0.2594 | 0.5699 | 0.6262 |
| 45.0 | 4.702 | 0.2025 | 0.5877 | 0.6216 |
| 63.0 | 4.3485 | 0.1646 | 0.5653 | 0.5888 |
| 81.0 | 3.5887 | 0.1428 | 0.4884 | 0.5088 |
| 99.0 | 3.4632 | 0.1695 | 0.4703 | 0.4999 |
| 117.0 | 3.1088 | 0.1313 | 0.4203 | 0.4403 |
| 135.0 | 3.4245 | 0.1428 | 0.412 | 0.436 |
| 153.0 | 3.8877 | 0.1667 | 0.4495 | 0.4794 |
| 171.0 | 3.5903 | 0.2308 | 0.6288 | 0.6698 |
Experiment comment: