Measurement E213M230
| 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: | 1.6 — 1.625 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π+), [deg] | dσ/d(−cos(θ(π+))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 3.3219 | 0.2382 | 0.4384 | 0.6198 |
| 27.0 | 3.2085 | 0.1346 | 0.3977 | 0.5602 |
| 45.0 | 2.7168 | 0.2301 | 0.3828 | 0.4466 |
| 63.0 | 2.6834 | 0.1294 | 0.3516 | 0.3746 |
| 81.0 | 2.7188 | 0.1145 | 0.3542 | 0.3722 |
| 99.0 | 2.7223 | 0.1577 | 0.357 | 0.3903 |
| 117.0 | 2.7421 | 0.122 | 0.3894 | 0.4081 |
| 135.0 | 2.6922 | 0.1976 | 0.574 | 0.6071 |
| 153.0 | 2.2132 | 0.1105 | 1.2052 | 1.7011 |
| 171.0 | 2.5916 | 0.0039 | 1.5709 | 2.2237 |
Experiment comment: