Measurement E213M285
| 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: | 2.0 — 2.4 GeV2 | |
| W: | 1.75 — 1.775 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(p), [deg] | dσ/d(−cos(θ(p))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 2.9207 | 0.1783 | 0.6527 | 0.6766 |
| 27.0 | 2.4455 | 0.1163 | 0.3504 | 0.3692 |
| 45.0 | 2.386 | 0.1125 | 0.3296 | 0.3483 |
| 63.0 | 2.5888 | 0.1319 | 0.4503 | 0.4692 |
| 81.0 | 3.5181 | 0.164 | 0.5026 | 0.5287 |
| 99.0 | 4.335 | 0.2085 | 0.5202 | 0.5604 |
| 117.0 | 4.454 | 0.1787 | 0.5128 | 0.543 |
| 135.0 | 3.8014 | 0.1742 | 0.432 | 0.4658 |
| 153.0 | 3.5186 | 0.2321 | 0.3998 | 0.4622 |
| 171.0 | 3.3773 | 0.3916 | 0.4317 | 0.5829 |
Experiment comment: