Measurement E213M859
| 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: | 1.9 — 1.925 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π−), [deg] | dσ/d(−cos(θ(π−))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 1.7236 | 0.1764 | 0.2827 | 0.3332 |
| 27.0 | 2.0477 | 0.1324 | 0.2577 | 0.2897 |
| 45.0 | 1.8226 | 0.0972 | 0.2411 | 0.2599 |
| 63.0 | 2.0639 | 0.1119 | 0.2677 | 0.2901 |
| 81.0 | 1.9314 | 0.1278 | 0.2546 | 0.2849 |
| 99.0 | 1.7335 | 0.1082 | 0.2321 | 0.2561 |
| 117.0 | 1.5046 | 0.1018 | 0.2029 | 0.227 |
| 135.0 | 1.2329 | 0.087 | 0.1608 | 0.1829 |
| 153.0 | 1.4915 | 0.1075 | 0.171 | 0.202 |
| 171.0 | 1.7216 | 0.1778 | 0.2357 | 0.2952 |
Experiment comment: