Measurement E213M222
| Experiment: | E1-6, 2025 | |
|---|---|---|
| Year: | 2001 | |
| Spokespersons: | R.W. Gothe, A. Trivedi | |
| Reaction: | ep → π+π−p | |
| Polarization: | none | |
| Quantity: | dσ/d(−cos(θ(p))) | |
| Q2: | 2.0 — 2.4 GeV2 | |
| W: | 1.575 — 1.6 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(p), [deg] | dσ/d(−cos(θ(p))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 1.6192 | 0.1151 | 0.6663 | 0.9415 |
| 27.0 | 1.174 | 0.0885 | 0.3195 | 0.4583 |
| 45.0 | 1.5152 | 0.1183 | 0.2563 | 0.2823 |
| 63.0 | 1.7698 | 0.0955 | 0.2468 | 0.2646 |
| 81.0 | 1.9197 | 0.1063 | 0.2889 | 0.3078 |
| 99.0 | 2.5974 | 0.1245 | 0.3935 | 0.4128 |
| 117.0 | 3.0013 | 0.1571 | 0.4124 | 0.4413 |
| 135.0 | 3.3373 | 0.1625 | 0.4384 | 0.4675 |
| 153.0 | 3.4237 | 0.1796 | 0.3593 | 0.4017 |
| 171.0 | 3.8746 | 0.2585 | 0.4494 | 0.5185 |
Experiment comment: