Measurement E213M850
| 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: | 1.875 — 1.9 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π−), [deg] | dσ/d(−cos(θ(π−))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 1.4275 | 0.1534 | 0.228 | 0.3263 |
| 27.0 | 2.0174 | 0.1856 | 0.2256 | 0.3262 |
| 45.0 | 1.5678 | 0.1947 | 0.1942 | 0.275 |
| 63.0 | 1.995 | 0.1056 | 0.2296 | 0.2528 |
| 81.0 | 1.8748 | 0.0983 | 0.2232 | 0.2439 |
| 99.0 | 1.8185 | 0.1197 | 0.2111 | 0.2427 |
| 117.0 | 1.2962 | 0.0861 | 0.1617 | 0.1832 |
| 135.0 | 1.4561 | 0.1374 | 0.1587 | 0.2307 |
| 153.0 | 1.3633 | 0.0994 | 0.1426 | 0.2066 |
| 171.0 | 1.6254 | 0.173 | 0.201 | 0.2857 |
Experiment comment: