Measurement E213M175
| 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: | 2.0 — 2.4 GeV2 | |
| W: | 1.45 — 1.475 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π−), [deg] | dσ/d(−cos(θ(π−))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 1.933 | 0.1265 | 0.7806 | 0.7908 |
| 27.0 | 2.8908 | 0.1672 | 0.5276 | 0.5535 |
| 45.0 | 2.4823 | 0.1208 | 0.4205 | 0.4376 |
| 63.0 | 2.4395 | 0.12 | 0.4038 | 0.4212 |
| 81.0 | 2.039 | 0.1113 | 0.3422 | 0.3598 |
| 99.0 | 1.8594 | 0.0987 | 0.3241 | 0.3388 |
| 117.0 | 1.9074 | 0.1061 | 0.3372 | 0.3535 |
| 135.0 | 2.03 | 0.1672 | 0.3579 | 0.3951 |
| 153.0 | 2.4199 | 0.1544 | 0.443 | 0.4691 |
| 171.0 | 2.5704 | 0.1786 | 0.7973 | 0.817 |
Experiment comment: