Measurement E213M311
| 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: | 1.825 — 1.85 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π+), [deg] | dσ/d(−cos(θ(π+))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 3.4909 | 0.2415 | 0.4366 | 0.6139 |
| 27.0 | 3.0092 | 0.1476 | 0.3802 | 0.5429 |
| 45.0 | 3.3254 | 0.2326 | 0.453 | 0.6404 |
| 63.0 | 3.237 | 0.133 | 0.4132 | 0.434 |
| 81.0 | 3.132 | 0.1315 | 0.411 | 0.4315 |
| 99.0 | 3.4231 | 0.1317 | 0.4316 | 0.4513 |
| 117.0 | 3.3449 | 0.1455 | 0.443 | 0.6283 |
| 135.0 | 2.499 | 0.1681 | 0.4634 | 0.6587 |
| 153.0 | 2.0229 | 0.1349 | 0.8128 | 1.1509 |
| 171.0 | 2.8162 | 0.0036 | 1.6763 | 2.3688 |
Experiment comment: