Measurement E213M1193
| 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: | 2.1 — 2.125 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π+), [deg] | dσ/d(−cos(θ(π+))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 1.3706 | 0.1152 | 0.173 | 0.2079 |
| 27.0 | 1.2389 | 0.13 | 0.182 | 0.2236 |
| 45.0 | 1.1056 | 0.0831 | 0.2115 | 0.2272 |
| 63.0 | 0.8629 | 0.0391 | 0.182 | 0.1862 |
| 81.0 | 0.9164 | 0.0608 | 0.1444 | 0.1566 |
| 99.0 | 0.7023 | 0.0418 | 0.1245 | 0.1313 |
| 117.0 | 0.5918 | 0.0689 | 0.1136 | 0.1329 |
| 135.0 | 0.5622 | 0.0602 | 0.1215 | 0.1356 |
| 153.0 | 0.445 | 0.0342 | 0.1932 | 0.1962 |
| 171.0 | 0.7718 | 0.0021 | 0.4528 | 0.4528 |
Experiment comment: