Measurement E213M472
| 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: | 2.4 — 3.0 GeV2 | |
| W: | 1.55 — 1.575 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π−), [deg] | dσ/d(−cos(θ(π−))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 2.2248 | 0.1994 | 0.5189 | 0.7412 |
| 27.0 | 2.438 | 0.1369 | 0.3853 | 0.5531 |
| 45.0 | 2.1023 | 0.1242 | 0.3345 | 0.4728 |
| 63.0 | 1.4792 | 0.0831 | 0.2429 | 0.3436 |
| 81.0 | 1.1294 | 0.076 | 0.1911 | 0.2056 |
| 99.0 | 1.0977 | 0.0627 | 0.1787 | 0.1893 |
| 117.0 | 1.1023 | 0.0627 | 0.1737 | 0.1846 |
| 135.0 | 1.1811 | 0.0594 | 0.1837 | 0.2639 |
| 153.0 | 1.2408 | 0.0783 | 0.2017 | 0.2899 |
| 171.0 | 1.3209 | 0.1177 | 0.2791 | 0.3938 |
Experiment comment: