Measurement E213M996
| 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: | 3.5 — 4.2 GeV2 | |
| W: | 1.55 — 1.575 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(p), [deg] | dσ/d(−cos(θ(p))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 0.4251 | 0.0496 | 0.1739 | 0.25 |
| 27.0 | 0.3348 | 0.0411 | 0.1045 | 0.2178 |
| 45.0 | 0.3671 | 0.0314 | 0.0955 | 0.1393 |
| 63.0 | 0.5994 | 0.0445 | 0.1136 | 0.122 |
| 81.0 | 0.6865 | 0.0509 | 0.1183 | 0.1288 |
| 99.0 | 0.7573 | 0.0634 | 0.1279 | 0.1428 |
| 117.0 | 0.9507 | 0.0595 | 0.1558 | 0.1668 |
| 135.0 | 1.0509 | 0.0712 | 0.1693 | 0.2408 |
| 153.0 | 1.0227 | 0.0784 | 0.1662 | 0.2367 |
| 171.0 | 1.0325 | 0.1198 | 0.2148 | 0.3074 |
Experiment comment: