Measurement E213M571
| 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: | 1.825 — 1.85 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π−), [deg] | dσ/d(−cos(θ(π−))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 2.3513 | 0.1863 | 0.4946 | 0.5285 |
| 27.0 | 2.1592 | 0.1148 | 0.3327 | 0.3519 |
| 45.0 | 2.4999 | 0.1182 | 0.3843 | 0.4021 |
| 63.0 | 2.6082 | 0.0981 | 0.388 | 0.4002 |
| 81.0 | 2.6157 | 0.1108 | 0.3891 | 0.4046 |
| 99.0 | 2.2099 | 0.1091 | 0.3384 | 0.3556 |
| 117.0 | 1.9341 | 0.1016 | 0.3004 | 0.3171 |
| 135.0 | 1.9895 | 0.103 | 0.2887 | 0.3065 |
| 153.0 | 1.905 | 0.0991 | 0.2727 | 0.2901 |
| 171.0 | 2.0754 | 0.2422 | 0.3976 | 0.4655 |
Experiment comment: