Measurement E213M436
| 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: | 2.4 — 3.0 GeV2 | |
| W: | 1.45 — 1.475 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π−), [deg] | dσ/d(−cos(θ(π−))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 1.0018 | 0.1657 | 0.4026 | 0.4353 |
| 27.0 | 1.4068 | 0.098 | 0.2942 | 0.3101 |
| 45.0 | 1.2797 | 0.0771 | 0.2537 | 0.2652 |
| 63.0 | 1.2672 | 0.0775 | 0.2316 | 0.2442 |
| 81.0 | 0.9496 | 0.0774 | 0.1754 | 0.1917 |
| 99.0 | 1.156 | 0.0574 | 0.2002 | 0.2083 |
| 117.0 | 1.093 | 0.0545 | 0.1893 | 0.197 |
| 135.0 | 1.2078 | 0.0814 | 0.2077 | 0.2231 |
| 153.0 | 1.2989 | 0.0814 | 0.2317 | 0.2455 |
| 171.0 | 1.2176 | 0.1162 | 0.2912 | 1.1535 |
Experiment comment: