Measurement E213M1248
| Experiment: | E1-6, 2025 | |
|---|---|---|
| Year: | 2001 | |
| Spokespersons: | R.W. Gothe, A. Trivedi | |
| Reaction: | ep → π+π−p | |
| Polarization: | none | |
| Quantity: | dσ/d(−cos(θ(p))) | |
| Q2: | 4.2 — 5.0 GeV2 | |
| W: | 1.525 — 1.55 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(p), [deg] | dσ/d(−cos(θ(p))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 0.2103 | 0.0304 | 0.1072 | 0.1847 |
| 27.0 | 0.1622 | 0.0266 | 0.0676 | 0.1098 |
| 45.0 | 0.2037 | 0.0277 | 0.0686 | 0.1037 |
| 63.0 | 0.2822 | 0.0328 | 0.0764 | 0.0831 |
| 81.0 | 0.3355 | 0.0348 | 0.0821 | 0.0892 |
| 99.0 | 0.4237 | 0.0784 | 0.0971 | 0.1248 |
| 117.0 | 0.5447 | 0.0508 | 0.1189 | 0.1293 |
| 135.0 | 0.5518 | 0.0536 | 0.1213 | 0.1732 |
| 153.0 | 0.5532 | 0.0761 | 0.1252 | 0.1777 |
| 171.0 | 0.6058 | 0.1041 | 0.1616 | 0.2303 |
Experiment comment: