Measurement E213M474
| 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: | 2.4 — 3.0 GeV2 | |
| W: | 1.55 — 1.575 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(p), [deg] | dσ/d(−cos(θ(p))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 0.5703 | 0.0524 | 0.2472 | 1.081 |
| 27.0 | 0.6987 | 0.0696 | 0.1726 | 1.0835 |
| 45.0 | 0.8097 | 0.0584 | 0.1649 | 0.2357 |
| 63.0 | 1.0656 | 0.0579 | 0.1802 | 0.1893 |
| 81.0 | 1.2316 | 0.0738 | 0.1914 | 0.2051 |
| 99.0 | 1.5791 | 0.0715 | 0.2358 | 0.2464 |
| 117.0 | 1.7372 | 0.0794 | 0.2567 | 0.3794 |
| 135.0 | 1.9338 | 0.0972 | 0.2748 | 0.4047 |
| 153.0 | 2.0368 | 0.0926 | 0.2863 | 0.4093 |
| 171.0 | 1.5767 | 0.1332 | 0.2986 | 0.327 |
Experiment comment: