Measurement E213M229
| 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: | 2.0 — 2.4 GeV2 | |
| W: | 1.6 — 1.625 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π−), [deg] | dσ/d(−cos(θ(π−))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 4.3352 | 0.3174 | 0.8512 | 1.2081 |
| 27.0 | 4.9856 | 0.2487 | 0.6515 | 0.9265 |
| 45.0 | 3.6665 | 0.2438 | 0.53 | 0.5834 |
| 63.0 | 3.3321 | 0.172 | 0.4896 | 0.519 |
| 81.0 | 2.4192 | 0.1538 | 0.394 | 0.423 |
| 99.0 | 1.9052 | 0.1297 | 0.3323 | 0.3567 |
| 117.0 | 1.8008 | 0.0984 | 0.3002 | 0.316 |
| 135.0 | 2.069 | 0.104 | 0.3057 | 0.3229 |
| 153.0 | 2.1173 | 0.1166 | 0.3259 | 0.3462 |
| 171.0 | 2.3909 | 0.1891 | 0.5208 | 0.7424 |
Experiment comment: