Measurement E213M878
| 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: | 3.0 — 3.5 GeV2 | |
| W: | 1.95 — 1.975 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π+), [deg] | dσ/d(−cos(θ(π+))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 2.5356 | 0.1998 | 0.3118 | 0.4539 |
| 27.0 | 2.1737 | 0.135 | 0.276 | 0.3968 |
| 45.0 | 1.4692 | 0.0916 | 0.238 | 0.3321 |
| 63.0 | 1.5845 | 0.114 | 0.2334 | 0.2597 |
| 81.0 | 1.5215 | 0.0837 | 0.226 | 0.3251 |
| 99.0 | 1.617 | 0.0767 | 0.2263 | 0.3275 |
| 117.0 | 1.3522 | 0.0877 | 0.1972 | 0.2792 |
| 135.0 | 1.1345 | 0.0755 | 0.1961 | 0.2769 |
| 153.0 | 0.8603 | 0.0861 | 0.3413 | 0.5005 |
| 171.0 | 1.4103 | 0.0321 | 0.8262 | 1.1726 |
Experiment comment: