Measurement E213M1156
| 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: | 3.5 — 4.2 GeV2 | |
| W: | 2.0 — 2.025 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π−), [deg] | dσ/d(−cos(θ(π−))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 1.258 | 0.1654 | 0.218 | 0.2736 |
| 27.0 | 1.4079 | 0.0991 | 0.1984 | 0.2218 |
| 45.0 | 1.1461 | 0.0976 | 0.1747 | 0.2001 |
| 63.0 | 1.2532 | 0.1022 | 0.1898 | 0.2155 |
| 81.0 | 1.0881 | 0.0835 | 0.1757 | 0.1945 |
| 99.0 | 0.9629 | 0.0778 | 0.1659 | 0.1833 |
| 117.0 | 0.7804 | 0.0579 | 0.1441 | 0.1553 |
| 135.0 | 0.6392 | 0.0442 | 0.126 | 0.1335 |
| 153.0 | 0.7219 | 0.0819 | 0.1174 | 0.1432 |
| 171.0 | 0.8229 | 0.1102 | 0.1669 | 0.2 |
Experiment comment: