Measurement E213M202
| 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: | 1.525 — 1.55 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π−), [deg] | dσ/d(−cos(θ(π−))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 3.0304 | 0.228 | 0.7403 | 0.7746 |
| 27.0 | 3.4144 | 0.1775 | 0.4693 | 0.5017 |
| 45.0 | 3.1629 | 0.1353 | 0.4502 | 0.4701 |
| 63.0 | 2.5319 | 0.1161 | 0.3913 | 0.4081 |
| 81.0 | 1.9966 | 0.1055 | 0.3244 | 0.3412 |
| 99.0 | 1.9051 | 0.1156 | 0.2985 | 0.3201 |
| 117.0 | 1.9321 | 0.0921 | 0.2923 | 0.3065 |
| 135.0 | 2.1502 | 0.1004 | 0.3155 | 0.3311 |
| 153.0 | 2.3165 | 0.1276 | 0.3645 | 0.3862 |
| 171.0 | 2.447 | 0.1705 | 0.6195 | 0.6425 |
Experiment comment: