Measurement E213M851
| 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: | 1.875 — 1.9 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π+), [deg] | dσ/d(−cos(θ(π+))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 2.4464 | 0.1861 | 0.2565 | 0.3624 |
| 27.0 | 2.1588 | 0.1259 | 0.2251 | 0.2579 |
| 45.0 | 1.5254 | 0.1537 | 0.1896 | 0.2441 |
| 63.0 | 1.6645 | 0.1065 | 0.1935 | 0.2209 |
| 81.0 | 1.6286 | 0.1099 | 0.1963 | 0.225 |
| 99.0 | 1.933 | 0.0926 | 0.2118 | 0.2311 |
| 117.0 | 1.5683 | 0.1018 | 0.1835 | 0.2099 |
| 135.0 | 1.2976 | 0.078 | 0.1898 | 0.2743 |
| 153.0 | 0.972 | 0.0862 | 0.3667 | 0.5182 |
| 171.0 | 1.5197 | 0.0031 | 0.8827 | 1.2486 |
Experiment comment: