Measurement E213M1174
| 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: | 3.5 — 4.2 GeV2 | |
| W: | 2.05 — 2.075 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π−), [deg] | dσ/d(−cos(θ(π−))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 1.6895 | 0.1588 | 0.2772 | 0.3194 |
| 27.0 | 1.4834 | 0.1408 | 0.223 | 0.2637 |
| 45.0 | 1.0461 | 0.0702 | 0.1743 | 0.1879 |
| 63.0 | 1.0114 | 0.0793 | 0.1751 | 0.1922 |
| 81.0 | 0.8694 | 0.0683 | 0.1638 | 0.1775 |
| 99.0 | 0.7994 | 0.0597 | 0.1599 | 0.1707 |
| 117.0 | 0.6597 | 0.0562 | 0.1423 | 0.153 |
| 135.0 | 0.5749 | 0.1045 | 0.1334 | 0.1695 |
| 153.0 | 0.6381 | 0.057 | 0.1279 | 0.14 |
| 171.0 | 0.6737 | 0.1106 | 0.1728 | 0.2051 |
Experiment comment: