Measurement E213M553
| 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: | 1.775 — 1.8 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π−), [deg] | dσ/d(−cos(θ(π−))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 2.0283 | 0.174 | 0.4557 | 0.6575 |
| 27.0 | 2.3293 | 0.1669 | 0.3104 | 0.4436 |
| 45.0 | 2.5263 | 0.1131 | 0.3405 | 0.4834 |
| 63.0 | 2.9172 | 0.1214 | 0.3775 | 0.5296 |
| 81.0 | 2.6917 | 0.1244 | 0.3528 | 0.3741 |
| 99.0 | 2.4302 | 0.1079 | 0.3262 | 0.3436 |
| 117.0 | 2.0667 | 0.1 | 0.278 | 0.3946 |
| 135.0 | 1.9841 | 0.1065 | 0.2557 | 0.3694 |
| 153.0 | 2.1468 | 0.1203 | 0.2678 | 0.3805 |
| 171.0 | 2.3595 | 0.1589 | 0.3752 | 0.5404 |
Experiment comment: