Measurement E213M1086
| 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: | 1.8 — 1.825 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(p), [deg] | dσ/d(−cos(θ(p))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 0.6421 | 0.0703 | 0.1611 | 0.1758 |
| 27.0 | 0.6405 | 0.049 | 0.0988 | 0.1103 |
| 45.0 | 0.6946 | 0.0545 | 0.0942 | 0.1088 |
| 63.0 | 0.7718 | 0.0589 | 0.1104 | 0.1252 |
| 81.0 | 1.3281 | 0.0855 | 0.1811 | 0.2003 |
| 99.0 | 1.724 | 0.1197 | 0.2028 | 0.2355 |
| 117.0 | 1.734 | 0.1143 | 0.2022 | 0.2323 |
| 135.0 | 1.2951 | 0.0826 | 0.1684 | 0.1876 |
| 153.0 | 1.4397 | 0.1115 | 0.1739 | 0.2065 |
| 171.0 | 1.7004 | 0.1535 | 0.2042 | 0.2555 |
Experiment comment: