Measurement E213M823
| 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: | 3.0 — 3.5 GeV2 | |
| W: | 1.8 — 1.825 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π−), [deg] | dσ/d(−cos(θ(π−))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 1.5404 | 0.1952 | 0.286 | 0.3463 |
| 27.0 | 1.4618 | 0.172 | 0.1924 | 0.2581 |
| 45.0 | 1.7909 | 0.1337 | 0.2308 | 0.2667 |
| 63.0 | 2.2463 | 0.1389 | 0.2757 | 0.3087 |
| 81.0 | 1.9745 | 0.1525 | 0.2474 | 0.2906 |
| 99.0 | 1.7109 | 0.1126 | 0.2198 | 0.247 |
| 117.0 | 1.4468 | 0.1208 | 0.1838 | 0.2199 |
| 135.0 | 1.0336 | 0.0665 | 0.1335 | 0.1982 |
| 153.0 | 1.414 | 0.1025 | 0.1631 | 0.2302 |
| 171.0 | 0.9773 | 0.3515 | 0.1731 | 0.3918 |
Experiment comment: