Measurement E213M1293
| Experiment: | E1-6, 2025 | |
|---|---|---|
| Year: | 2001 | |
| Spokespersons: | R.W. Gothe, A. Trivedi | |
| Reaction: | ep → π+π−p | |
| Polarization: | none | |
| Quantity: | dσ/d(−cos(θ(p))) | |
| Q2: | 4.2 — 5.0 GeV2 | |
| W: | 1.65 — 1.675 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(p), [deg] | dσ/d(−cos(θ(p))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 0.3052 | 0.0529 | 0.1279 | 0.2399 |
| 27.0 | 0.2321 | 0.0304 | 0.0782 | 0.1122 |
| 45.0 | 0.3127 | 0.0372 | 0.0836 | 0.1208 |
| 63.0 | 0.4616 | 0.0467 | 0.1058 | 0.1157 |
| 81.0 | 0.6666 | 0.0555 | 0.1437 | 0.154 |
| 99.0 | 0.7371 | 0.074 | 0.1599 | 0.1762 |
| 117.0 | 0.935 | 0.0777 | 0.1968 | 0.2116 |
| 135.0 | 0.8344 | 0.0688 | 0.1804 | 0.2612 |
| 153.0 | 0.8705 | 0.0806 | 0.1835 | 0.2574 |
| 171.0 | 0.8274 | 0.1014 | 0.2049 | 0.2873 |
Experiment comment: