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Measurement E213M1455
| 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: | 2.1 — 2.125 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(p), [deg] | dσ/d(−cos(θ(p))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 0.1326 | 0.0147 | 0.0684 | 0.07 |
| 27.0 | 0.1844 | 0.0186 | 0.0888 | 0.0908 |
| 45.0 | 0.2052 | 0.0149 | 0.11 | 0.111 |
| 63.0 | 0.2277 | 0.0198 | 0.0953 | 0.0973 |
| 81.0 | 0.4035 | 0.0424 | 0.1149 | 0.1225 |
| 99.0 | 0.5773 | 0.036 | 0.1386 | 0.1432 |
| 117.0 | 0.6823 | 0.0438 | 0.1395 | 0.1462 |
| 135.0 | 0.9802 | 0.0632 | 0.1788 | 0.1896 |
| 153.0 | 1.0926 | 0.0775 | 0.2224 | 0.2356 |
| 171.0 | 0.9884 | 0.116 | 0.2713 | 0.2951 |
Experiment comment: