Measurement E213M572
| 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: | 1.825 — 1.85 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π+), [deg] | dσ/d(−cos(θ(π+))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 2.6507 | 0.1848 | 0.367 | 0.4109 |
| 27.0 | 2.3207 | 0.1064 | 0.3239 | 0.3409 |
| 45.0 | 2.1556 | 0.1249 | 0.323 | 0.3463 |
| 63.0 | 2.3432 | 0.1006 | 0.3276 | 0.3427 |
| 81.0 | 2.3608 | 0.0977 | 0.3389 | 0.3527 |
| 99.0 | 2.3295 | 0.0728 | 0.3255 | 0.3336 |
| 117.0 | 2.301 | 0.0788 | 0.3322 | 0.3414 |
| 135.0 | 1.7387 | 0.0985 | 0.3452 | 0.4977 |
| 153.0 | 1.4984 | 0.0913 | 0.642 | 0.9075 |
| 171.0 | 2.0095 | 0.0028 | 1.2205 | 1.7277 |
Experiment comment: