Measurement E213M1275
| 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: | 4.2 — 5.0 GeV2 | |
| W: | 1.6 — 1.625 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(p), [deg] | dσ/d(−cos(θ(p))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 0.2066 | 0.0274 | 0.091 | 0.1566 |
| 27.0 | 0.2008 | 0.0264 | 0.0576 | 0.0879 |
| 45.0 | 0.2598 | 0.0314 | 0.0609 | 0.0857 |
| 63.0 | 0.4505 | 0.0491 | 0.0806 | 0.0944 |
| 81.0 | 0.5332 | 0.0678 | 0.088 | 0.1111 |
| 99.0 | 0.5781 | 0.0572 | 0.0952 | 0.1111 |
| 117.0 | 0.6305 | 0.0602 | 0.1039 | 0.1201 |
| 135.0 | 0.6722 | 0.0659 | 0.1097 | 0.128 |
| 153.0 | 0.7702 | 0.0694 | 0.1212 | 0.1773 |
| 171.0 | 0.6692 | 0.0968 | 0.1337 | 0.1913 |
Experiment comment: