Measurement E213M960
| 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: | 3.5 — 4.2 GeV2 | |
| W: | 1.45 — 1.475 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(p), [deg] | dσ/d(−cos(θ(p))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 0.4018 | 0.0686 | 0.144 | 0.1595 |
| 27.0 | 0.3622 | 0.0446 | 0.087 | 0.0978 |
| 45.0 | 0.4239 | 0.0474 | 0.0795 | 0.0926 |
| 63.0 | 0.4971 | 0.0462 | 0.0712 | 0.0849 |
| 81.0 | 0.5397 | 0.0467 | 0.0656 | 0.0806 |
| 99.0 | 0.3579 | 0.1993 | 0.0463 | 0.2046 |
| 117.0 | 0.6644 | 0.0522 | 0.0744 | 0.0909 |
| 135.0 | 0.8164 | 0.0625 | 0.0892 | 0.1264 |
| 153.0 | 0.8088 | 0.0742 | 0.0953 | 0.1347 |
| 171.0 | 0.8109 | 0.1199 | 0.1362 | 0.1967 |
Experiment comment: