Measurement E213M1129
| 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: | 1.925 — 1.95 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π−), [deg] | dσ/d(−cos(θ(π−))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 1.3096 | 0.1511 | 0.2419 | 0.2852 |
| 27.0 | 1.2868 | 0.125 | 0.182 | 0.2207 |
| 45.0 | 1.1684 | 0.0702 | 0.1766 | 0.1901 |
| 63.0 | 1.2404 | 0.0829 | 0.1851 | 0.2028 |
| 81.0 | 1.171 | 0.08 | 0.1814 | 0.1982 |
| 99.0 | 1.1069 | 0.0743 | 0.1722 | 0.1875 |
| 117.0 | 0.7453 | 0.045 | 0.1352 | 0.1425 |
| 135.0 | 0.7253 | 0.0614 | 0.1228 | 0.1373 |
| 153.0 | 0.8632 | 0.0933 | 0.1231 | 0.1545 |
| 171.0 | 0.8334 | 0.1234 | 0.172 | 0.2117 |
Experiment comment: