Measurement E213M690
| 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: | 3.0 — 3.5 GeV2 | |
| W: | 1.425 — 1.45 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(p), [deg] | dσ/d(−cos(θ(p))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 0.4559 | 0.0515 | 0.2091 | 0.2154 |
| 27.0 | 0.4224 | 0.0586 | 0.1288 | 0.1415 |
| 45.0 | 0.4887 | 0.0527 | 0.1172 | 0.1285 |
| 63.0 | 0.4914 | 0.0457 | 0.0977 | 0.1078 |
| 81.0 | 0.621 | 0.0488 | 0.104 | 0.1149 |
| 99.0 | 0.7139 | 0.0506 | 0.1145 | 0.1252 |
| 117.0 | 0.7581 | 0.0762 | 0.1192 | 0.1415 |
| 135.0 | 0.8769 | 0.0623 | 0.1371 | 0.1506 |
| 153.0 | 0.9315 | 0.0774 | 0.1497 | 0.1686 |
| 171.0 | 0.6229 | 0.1017 | 0.1411 | 0.174 |
Experiment comment: