Measurement E213M499
| 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: | 1.625 — 1.65 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π−), [deg] | dσ/d(−cos(θ(π−))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 2.8465 | 0.3048 | 0.577 | 0.6526 |
| 27.0 | 2.7071 | 0.1408 | 0.4036 | 0.4275 |
| 45.0 | 2.3242 | 0.1098 | 0.3547 | 0.3713 |
| 63.0 | 2.0895 | 0.1188 | 0.3245 | 0.3456 |
| 81.0 | 1.5181 | 0.0773 | 0.2469 | 0.2587 |
| 99.0 | 1.2706 | 0.0657 | 0.213 | 0.2229 |
| 117.0 | 1.2829 | 0.0588 | 0.2071 | 0.2153 |
| 135.0 | 1.4433 | 0.0928 | 0.2161 | 0.2352 |
| 153.0 | 1.442 | 0.0788 | 0.224 | 0.2374 |
| 171.0 | 1.3413 | 0.1067 | 0.2909 | 0.3099 |
Experiment comment: