Measurement E213M1255
| 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: | 1.55 — 1.575 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π−), [deg] | dσ/d(−cos(θ(π−))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 0.5085 | 0.0913 | 0.1981 | 0.2181 |
| 27.0 | 0.6058 | 0.0683 | 0.1554 | 0.1697 |
| 45.0 | 0.588 | 0.0571 | 0.1408 | 0.152 |
| 63.0 | 0.4566 | 0.0417 | 0.1115 | 0.119 |
| 81.0 | 0.3482 | 0.036 | 0.0894 | 0.0964 |
| 99.0 | 0.3834 | 0.0416 | 0.0929 | 0.1018 |
| 117.0 | 0.3126 | 0.0315 | 0.0795 | 0.0855 |
| 135.0 | 0.3603 | 0.0428 | 0.0883 | 0.0981 |
| 153.0 | 0.3879 | 0.0452 | 0.0993 | 0.1091 |
| 171.0 | 0.2687 | 0.0479 | 0.119 | 0.1282 |
Experiment comment: