Measurement E213M1383
| Experiment: | E1-6, 2025 | |
|---|---|---|
| Year: | 2001 | |
| Spokespersons: | R.W. Gothe, A. Trivedi | |
| Reaction: | ep → π+π−p | |
| Polarization: | none | |
| Quantity: | dσ/d(−cos(θ(p))) | |
| Q2: | 4.2 — 5.0 GeV2 | |
| W: | 1.9 — 1.925 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(p), [deg] | dσ/d(−cos(θ(p))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 0.1943 | 0.022 | 0.0803 | 0.0832 |
| 27.0 | 0.1907 | 0.0212 | 0.0497 | 0.0541 |
| 45.0 | 0.251 | 0.0223 | 0.0635 | 0.0673 |
| 63.0 | 0.4579 | 0.0517 | 0.1085 | 0.1202 |
| 81.0 | 0.5946 | 0.0446 | 0.127 | 0.1346 |
| 99.0 | 0.927 | 0.0557 | 0.155 | 0.1647 |
| 117.0 | 0.9927 | 0.0611 | 0.1634 | 0.1745 |
| 135.0 | 1.0458 | 0.0668 | 0.174 | 0.1864 |
| 153.0 | 1.1254 | 0.0985 | 0.1793 | 0.2046 |
| 171.0 | 1.0169 | 0.1918 | 0.1869 | 0.2678 |
Experiment comment: