Measurement E213M1130
| 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: | 1.925 — 1.95 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π+), [deg] | dσ/d(−cos(θ(π+))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 1.7485 | 0.1482 | 0.2218 | 0.2668 |
| 27.0 | 1.4514 | 0.1067 | 0.1934 | 0.2209 |
| 45.0 | 1.1538 | 0.0971 | 0.1975 | 0.22 |
| 63.0 | 1.2249 | 0.1285 | 0.1879 | 0.2276 |
| 81.0 | 1.1284 | 0.0938 | 0.1754 | 0.1989 |
| 99.0 | 1.0624 | 0.0832 | 0.1578 | 0.1784 |
| 117.0 | 0.9056 | 0.0575 | 0.1401 | 0.1514 |
| 135.0 | 0.762 | 0.0677 | 0.1355 | 0.1514 |
| 153.0 | 0.7439 | 0.0947 | 0.2525 | 0.2697 |
| 171.0 | 1.0045 | 0.0025 | 0.6015 | 0.6015 |
Experiment comment: