Measurement E213M1356
| Experiment: | E1-6, 2025 | |
|---|---|---|
| Year: | 2001 | |
| Spokespersons: | R.W. Gothe, A. Trivedi | |
| Reaction: | ep → π+π−p | |
| Polarization: | none | |
| Quantity: | dσ/d(−cos(θ(p))) | |
| Q2: | 4.2 — 5.0 GeV2 | |
| W: | 1.825 — 1.85 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(p), [deg] | dσ/d(−cos(θ(p))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 0.2482 | 0.0275 | 0.1006 | 0.1043 |
| 27.0 | 0.2384 | 0.0411 | 0.0618 | 0.0743 |
| 45.0 | 0.3103 | 0.0372 | 0.0655 | 0.0753 |
| 63.0 | 0.4673 | 0.0495 | 0.1031 | 0.1144 |
| 81.0 | 0.5952 | 0.0627 | 0.1275 | 0.1421 |
| 99.0 | 0.9587 | 0.0627 | 0.1689 | 0.1801 |
| 117.0 | 0.8402 | 0.0536 | 0.1583 | 0.1671 |
| 135.0 | 0.8607 | 0.0735 | 0.1653 | 0.1809 |
| 153.0 | 0.8399 | 0.0695 | 0.1594 | 0.1739 |
| 171.0 | 1.1252 | 0.1284 | 0.2128 | 0.2485 |
Experiment comment: