Measurement E213M1048
| 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: | 1.7 — 1.725 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π−), [deg] | dσ/d(−cos(θ(π−))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 1.5378 | 0.1734 | 0.3498 | 0.3904 |
| 27.0 | 1.7446 | 0.136 | 0.2271 | 0.2647 |
| 45.0 | 1.7832 | 0.1171 | 0.2243 | 0.253 |
| 63.0 | 1.7107 | 0.1111 | 0.2177 | 0.2444 |
| 81.0 | 1.6745 | 0.095 | 0.2081 | 0.2287 |
| 99.0 | 1.6903 | 0.1104 | 0.2011 | 0.2294 |
| 117.0 | 1.7629 | 0.1277 | 0.1948 | 0.233 |
| 135.0 | 1.3323 | 0.0815 | 0.1534 | 0.1737 |
| 153.0 | 1.5215 | 0.0963 | 0.1714 | 0.1966 |
| 171.0 | 1.6261 | 0.1497 | 0.2623 | 0.302 |
Experiment comment: