Measurement E213M797
| 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: | 1.725 — 1.75 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π+), [deg] | dσ/d(−cos(θ(π+))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 2.2602 | 0.1682 | 0.229 | 0.2841 |
| 27.0 | 2.3246 | 0.1183 | 0.232 | 0.2604 |
| 45.0 | 2.1907 | 0.1396 | 0.2243 | 0.2642 |
| 63.0 | 2.1065 | 0.1113 | 0.2202 | 0.2467 |
| 81.0 | 2.2219 | 0.0975 | 0.2309 | 0.2506 |
| 99.0 | 2.221 | 0.0916 | 0.2296 | 0.2472 |
| 117.0 | 2.1 | 0.0945 | 0.2244 | 0.2435 |
| 135.0 | 1.7436 | 0.1894 | 0.2503 | 0.3678 |
| 153.0 | 1.4512 | 0.1249 | 0.5944 | 0.7735 |
| 171.0 | 1.9575 | 0.0036 | 1.1444 | 1.313 |
Experiment comment: