Measurement E213M1302
| 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: | 1.675 — 1.7 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(p), [deg] | dσ/d(−cos(θ(p))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 0.3563 | 0.0474 | 0.1266 | 0.2779 |
| 27.0 | 0.3447 | 0.0393 | 0.078 | 0.2517 |
| 45.0 | 0.3936 | 0.0352 | 0.0738 | 0.1053 |
| 63.0 | 0.6061 | 0.0569 | 0.0916 | 0.1078 |
| 81.0 | 0.9297 | 0.0944 | 0.1331 | 0.1632 |
| 99.0 | 0.9751 | 0.089 | 0.1441 | 0.1694 |
| 117.0 | 0.9527 | 0.068 | 0.143 | 0.1583 |
| 135.0 | 0.8955 | 0.0722 | 0.141 | 0.1584 |
| 153.0 | 0.927 | 0.0844 | 0.137 | 0.199 |
| 171.0 | 0.9551 | 0.1151 | 0.1723 | 0.2456 |
Experiment comment: