Measurement E213M203
| 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: | 1.525 — 1.55 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π+), [deg] | dσ/d(−cos(θ(π+))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 3.5545 | 0.2457 | 0.4333 | 0.6145 |
| 27.0 | 2.8321 | 0.129 | 0.3008 | 0.4312 |
| 45.0 | 2.681 | 0.1606 | 0.329 | 0.4594 |
| 63.0 | 2.5525 | 0.1129 | 0.3077 | 0.3277 |
| 81.0 | 2.3866 | 0.0895 | 0.2761 | 0.2902 |
| 99.0 | 2.6078 | 0.1269 | 0.2976 | 0.3235 |
| 117.0 | 2.3797 | 0.1154 | 0.3199 | 0.3401 |
| 135.0 | 2.1933 | 0.1388 | 0.5357 | 0.7598 |
| 153.0 | 2.1929 | 0.0066 | 1.298 | 1.8418 |
| 171.0 | 2.2076 | 0.0039 | 1.3067 | 1.846 |
Experiment comment: