Measurement E213M1309
| 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: | 1.7 — 1.725 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π−), [deg] | dσ/d(−cos(θ(π−))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 1.1901 | 0.1644 | 0.3084 | 0.3495 |
| 27.0 | 0.9566 | 0.1133 | 0.1852 | 0.2171 |
| 45.0 | 1.1165 | 0.0867 | 0.1812 | 0.2009 |
| 63.0 | 1.1623 | 0.092 | 0.1795 | 0.2017 |
| 81.0 | 1.1004 | 0.0831 | 0.1678 | 0.1872 |
| 99.0 | 0.8838 | 0.0705 | 0.1419 | 0.1584 |
| 117.0 | 0.8411 | 0.0739 | 0.1295 | 0.1491 |
| 135.0 | 0.7453 | 0.0624 | 0.1125 | 0.1287 |
| 153.0 | 0.7401 | 0.0739 | 0.1157 | 0.1373 |
| 171.0 | 0.6664 | 0.0852 | 0.1819 | 0.2009 |
Experiment comment: