Measurement E213M986
| 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: | 3.5 — 4.2 GeV2 | |
| W: | 1.525 — 1.55 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π+), [deg] | dσ/d(−cos(θ(π+))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 0.8755 | 0.1069 | 0.17 | 0.2453 |
| 27.0 | 0.9274 | 0.0702 | 0.164 | 0.2293 |
| 45.0 | 0.7378 | 0.0638 | 0.141 | 0.2014 |
| 63.0 | 0.6342 | 0.0635 | 0.1218 | 0.1373 |
| 81.0 | 0.783 | 0.0511 | 0.1408 | 0.1498 |
| 99.0 | 0.6986 | 0.0638 | 0.1294 | 0.1443 |
| 117.0 | 0.8531 | 0.0527 | 0.152 | 0.1608 |
| 135.0 | 0.7212 | 0.0679 | 0.1458 | 0.2077 |
| 153.0 | 0.571 | 0.034 | 0.3518 | 0.4991 |
| 171.0 | 0.6548 | 0.0025 | 0.4291 | 0.4745 |
Experiment comment: