Measurement E213M832
| 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: | 3.0 — 3.5 GeV2 | |
| W: | 1.825 — 1.85 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π−), [deg] | dσ/d(−cos(θ(π−))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 1.4358 | 0.1755 | 0.2913 | 0.3401 |
| 27.0 | 1.3679 | 0.0934 | 0.2064 | 0.2266 |
| 45.0 | 1.5943 | 0.1014 | 0.2367 | 0.2576 |
| 63.0 | 1.7444 | 0.0943 | 0.2529 | 0.2699 |
| 81.0 | 1.7392 | 0.0853 | 0.2518 | 0.2658 |
| 99.0 | 1.5092 | 0.0919 | 0.2231 | 0.2413 |
| 117.0 | 1.2677 | 0.117 | 0.1919 | 0.2248 |
| 135.0 | 1.137 | 0.1027 | 0.1615 | 0.1914 |
| 153.0 | 1.2042 | 0.0882 | 0.1612 | 0.1838 |
| 171.0 | 1.5749 | 0.1926 | 0.2518 | 0.317 |
Experiment comment: