Measurement E213M1111
| 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: | 1.875 — 1.9 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π−), [deg] | dσ/d(−cos(θ(π−))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 1.3218 | 0.1621 | 0.2655 | 0.3111 |
| 27.0 | 1.3439 | 0.094 | 0.2164 | 0.236 |
| 45.0 | 1.2928 | 0.0807 | 0.2132 | 0.228 |
| 63.0 | 1.4033 | 0.0858 | 0.229 | 0.2446 |
| 81.0 | 1.4859 | 0.0941 | 0.2397 | 0.2575 |
| 99.0 | 1.1848 | 0.0855 | 0.201 | 0.2184 |
| 117.0 | 1.018 | 0.1041 | 0.1763 | 0.2047 |
| 135.0 | 0.7618 | 0.0762 | 0.1315 | 0.152 |
| 153.0 | 1.0199 | 0.1124 | 0.1514 | 0.1885 |
| 171.0 | 1.0786 | 0.1376 | 0.1987 | 0.2417 |
Experiment comment: