Measurement E213M644
| 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: | 2.4 — 3.0 GeV2 | |
| W: | 2.025 — 2.05 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π+), [deg] | dσ/d(−cos(θ(π+))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 3.3673 | 0.223 | 0.4148 | 0.4709 |
| 27.0 | 3.0779 | 0.1587 | 0.3983 | 0.4288 |
| 45.0 | 2.1895 | 0.136 | 0.3484 | 0.374 |
| 63.0 | 2.0227 | 0.1345 | 0.3219 | 0.3488 |
| 81.0 | 1.842 | 0.0803 | 0.2806 | 0.2919 |
| 99.0 | 1.8581 | 0.0745 | 0.2835 | 0.2931 |
| 117.0 | 1.7831 | 0.0919 | 0.2758 | 0.2908 |
| 135.0 | 1.5724 | 0.0845 | 0.2834 | 0.2958 |
| 153.0 | 1.3359 | 0.1108 | 0.4707 | 0.4835 |
| 171.0 | 1.7925 | 0.0228 | 1.0487 | 1.049 |
Experiment comment: