Measurement E213M1030
| 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: | 3.5 — 4.2 GeV2 | |
| W: | 1.65 — 1.675 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π−), [deg] | dσ/d(−cos(θ(π−))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 1.8697 | 0.3064 | 0.3322 | 0.4519 |
| 27.0 | 1.6832 | 0.1383 | 0.2217 | 0.2613 |
| 45.0 | 1.5818 | 0.1056 | 0.198 | 0.2244 |
| 63.0 | 1.2677 | 0.0912 | 0.1636 | 0.1873 |
| 81.0 | 1.1202 | 0.0877 | 0.145 | 0.1695 |
| 99.0 | 0.9468 | 0.0663 | 0.1208 | 0.1378 |
| 117.0 | 0.943 | 0.0617 | 0.12 | 0.135 |
| 135.0 | 0.9874 | 0.0632 | 0.1206 | 0.1362 |
| 153.0 | 1.0277 | 0.0771 | 0.129 | 0.1503 |
| 171.0 | 1.1459 | 0.1273 | 0.1944 | 0.2324 |
Experiment comment: