Measurement E213M617
| 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: | 1.95 — 1.975 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π+), [deg] | dσ/d(−cos(θ(π+))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 3.4766 | 0.1755 | 0.4151 | 0.6016 |
| 27.0 | 3.1488 | 0.1552 | 0.3801 | 0.5411 |
| 45.0 | 1.979 | 0.1959 | 0.3089 | 0.4347 |
| 63.0 | 2.3262 | 0.0949 | 0.315 | 0.4454 |
| 81.0 | 2.2081 | 0.1223 | 0.3022 | 0.3261 |
| 99.0 | 2.236 | 0.0753 | 0.2955 | 0.4249 |
| 117.0 | 2.2669 | 0.1059 | 0.2977 | 0.316 |
| 135.0 | 1.8576 | 0.098 | 0.3058 | 0.4411 |
| 153.0 | 1.402 | 0.0922 | 0.5341 | 0.7611 |
| 171.0 | 2.0242 | 0.0051 | 1.1953 | 1.6903 |
Experiment comment: