Measurement E213M473
| 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: | 1.55 — 1.575 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π+), [deg] | dσ/d(−cos(θ(π+))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 1.8474 | 0.1391 | 0.293 | 1.1762 |
| 27.0 | 1.9052 | 0.0871 | 0.2678 | 1.1196 |
| 45.0 | 1.448 | 0.0783 | 0.2237 | 0.237 |
| 63.0 | 1.4169 | 0.0749 | 0.214 | 0.3104 |
| 81.0 | 1.4027 | 0.054 | 0.2009 | 0.208 |
| 99.0 | 1.4865 | 0.0768 | 0.214 | 0.2274 |
| 117.0 | 1.5766 | 0.0633 | 0.2268 | 0.2354 |
| 135.0 | 1.3696 | 0.102 | 0.2554 | 0.3588 |
| 153.0 | 1.357 | 0.1079 | 0.7504 | 1.0666 |
| 171.0 | 1.3813 | 0.0028 | 0.8571 | 1.2091 |
Experiment comment: