Measurement E213M1454
| 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: | 4.2 — 5.0 GeV2 | |
| W: | 2.1 — 2.125 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π+), [deg] | dσ/d(−cos(θ(π+))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 0.7897 | 0.1085 | 0.1605 | 0.1938 |
| 27.0 | 0.6592 | 0.0632 | 0.1849 | 0.1954 |
| 45.0 | 0.7345 | 0.0518 | 0.1887 | 0.1957 |
| 63.0 | 0.7091 | 0.0606 | 0.1727 | 0.183 |
| 81.0 | 0.5529 | 0.0373 | 0.1202 | 0.1258 |
| 99.0 | 0.4964 | 0.035 | 0.1147 | 0.1199 |
| 117.0 | 0.4354 | 0.0322 | 0.1084 | 0.1131 |
| 135.0 | 0.3636 | 0.0305 | 0.106 | 0.1103 |
| 153.0 | 0.304 | 0.0186 | 0.1602 | 0.1613 |
| 171.0 | 0.5334 | 0.0017 | 0.3293 | 0.3293 |
Experiment comment: