Measurement E213M1021
| 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: | 3.5 — 4.2 GeV2 | |
| W: | 1.625 — 1.65 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π−), [deg] | dσ/d(−cos(θ(π−))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 1.2752 | 0.1511 | 0.2262 | 0.272 |
| 27.0 | 1.2965 | 0.1011 | 0.1534 | 0.1837 |
| 45.0 | 1.1144 | 0.0816 | 0.1297 | 0.1532 |
| 63.0 | 1.2586 | 0.1013 | 0.1401 | 0.1729 |
| 81.0 | 0.9279 | 0.0816 | 0.108 | 0.1353 |
| 99.0 | 0.759 | 0.064 | 0.0894 | 0.1099 |
| 117.0 | 0.6621 | 0.049 | 0.081 | 0.0946 |
| 135.0 | 0.6849 | 0.0533 | 0.0818 | 0.0976 |
| 153.0 | 0.5626 | 0.0481 | 0.0745 | 0.0887 |
| 171.0 | 0.6125 | 0.0753 | 0.1251 | 0.146 |
Experiment comment: