Measurement E213M401
| 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: | 2.075 — 2.1 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π+), [deg] | dσ/d(−cos(θ(π+))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 4.8644 | 0.2265 | 0.5994 | 0.6408 |
| 27.0 | 3.4344 | 0.2068 | 0.5218 | 0.5613 |
| 45.0 | 2.9261 | 0.1476 | 0.4491 | 0.4727 |
| 63.0 | 2.4037 | 0.1292 | 0.4197 | 0.4391 |
| 81.0 | 2.2157 | 0.0937 | 0.3485 | 0.3609 |
| 99.0 | 2.2422 | 0.0839 | 0.359 | 0.3687 |
| 117.0 | 2.3638 | 0.1213 | 0.3857 | 0.4043 |
| 135.0 | 1.7454 | 0.1053 | 0.368 | 0.3828 |
| 153.0 | 1.3991 | 0.0956 | 0.5326 | 0.5411 |
| 171.0 | 2.1979 | 0.0189 | 1.302 | 1.3022 |
Experiment comment: