Measurement E213M787
| 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: | 1.7 — 1.725 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π−), [deg] | dσ/d(−cos(θ(π−))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 2.1378 | 0.1906 | 0.4098 | 0.5731 |
| 27.0 | 2.3084 | 0.1735 | 0.2584 | 0.362 |
| 45.0 | 2.347 | 0.139 | 0.2597 | 0.2946 |
| 63.0 | 2.4449 | 0.1264 | 0.2651 | 0.2937 |
| 81.0 | 2.2242 | 0.1265 | 0.2432 | 0.2742 |
| 99.0 | 2.1788 | 0.1429 | 0.2298 | 0.2706 |
| 117.0 | 1.9472 | 0.1168 | 0.1992 | 0.2309 |
| 135.0 | 1.9676 | 0.1151 | 0.1937 | 0.2253 |
| 153.0 | 2.1518 | 0.1149 | 0.2132 | 0.2422 |
| 171.0 | 2.235 | 0.1792 | 0.3018 | 0.4321 |
Experiment comment: