Measurement E213M176
| 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: | 2.0 — 2.4 GeV2 | |
| W: | 1.45 — 1.475 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π+), [deg] | dσ/d(−cos(θ(π+))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 3.0516 | 0.2641 | 0.4327 | 0.613 |
| 27.0 | 2.8421 | 0.1634 | 0.3407 | 0.4981 |
| 45.0 | 2.5512 | 0.1287 | 0.314 | 0.3393 |
| 63.0 | 2.0981 | 0.1108 | 0.2869 | 0.3075 |
| 81.0 | 2.3229 | 0.1309 | 0.2921 | 0.3201 |
| 99.0 | 2.1147 | 0.0984 | 0.2791 | 0.2959 |
| 117.0 | 2.0701 | 0.1448 | 0.3633 | 0.3911 |
| 135.0 | 1.7409 | 0.1034 | 0.6476 | 0.6558 |
| 153.0 | 2.1058 | 0.0049 | 1.2839 | 1.8164 |
| 171.0 | 2.0471 | 0.005 | 1.2481 | 1.7629 |
Experiment comment: