Measurement E213M1246
| 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: | 4.2 — 5.0 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 | 0.3412 | 0.0576 | 0.1511 | 0.2183 |
| 27.0 | 0.4952 | 0.0989 | 0.1308 | 0.1908 |
| 45.0 | 0.5777 | 0.0624 | 0.1351 | 0.1891 |
| 63.0 | 0.3891 | 0.0344 | 0.095 | 0.101 |
| 81.0 | 0.3105 | 0.0575 | 0.0787 | 0.0975 |
| 99.0 | 0.3258 | 0.0363 | 0.0806 | 0.0883 |
| 117.0 | 0.316 | 0.0353 | 0.0783 | 0.0859 |
| 135.0 | 0.3519 | 0.0405 | 0.0855 | 0.0946 |
| 153.0 | 0.359 | 0.0442 | 0.0915 | 0.1016 |
| 171.0 | 0.3403 | 0.0636 | 0.1242 | 0.1752 |
Experiment comment: