Measurement E213M1390
| 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: | 4.2 — 5.0 GeV2 | |
| W: | 1.925 — 1.95 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π−), [deg] | dσ/d(−cos(θ(π−))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 0.8253 | 0.1063 | 0.2364 | 0.2592 |
| 27.0 | 0.8126 | 0.0753 | 0.1718 | 0.1876 |
| 45.0 | 1.0227 | 0.0907 | 0.1856 | 0.2066 |
| 63.0 | 0.9628 | 0.0754 | 0.178 | 0.1933 |
| 81.0 | 0.8038 | 0.0573 | 0.161 | 0.1709 |
| 99.0 | 0.7382 | 0.0588 | 0.155 | 0.1658 |
| 117.0 | 0.5888 | 0.057 | 0.1386 | 0.1499 |
| 135.0 | 0.5304 | 0.0567 | 0.1322 | 0.1438 |
| 153.0 | 0.5321 | 0.0687 | 0.1262 | 0.1437 |
| 171.0 | 0.5861 | 0.0864 | 0.2099 | 0.227 |
Experiment comment: