Measurement E213M212
| 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: | 1.55 — 1.575 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π+), [deg] | dσ/d(−cos(θ(π+))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 2.7584 | 0.216 | 0.4618 | 0.5098 |
| 27.0 | 2.7728 | 0.135 | 0.3975 | 0.4198 |
| 45.0 | 2.8052 | 0.1695 | 0.4707 | 0.5003 |
| 63.0 | 2.5317 | 0.1334 | 0.4074 | 0.4287 |
| 81.0 | 2.3881 | 0.0898 | 0.3701 | 0.3809 |
| 99.0 | 2.5284 | 0.1194 | 0.3894 | 0.4073 |
| 117.0 | 2.5157 | 0.1121 | 0.4259 | 0.4404 |
| 135.0 | 2.5783 | 0.188 | 0.6461 | 0.9151 |
| 153.0 | 2.2281 | 0.0483 | 1.35 | 1.9151 |
| 171.0 | 2.2851 | 0.0039 | 1.4246 | 2.0142 |
Experiment comment: