Measurement E213M1201
| 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: | 4.2 — 5.0 GeV2 | |
| W: | 1.4 — 1.425 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π−), [deg] | dσ/d(−cos(θ(π−))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 0.1636 | 0.0099 | 0.1158 | 0.174 |
| 27.0 | 0.187 | 0.0225 | 0.1062 | 0.1621 |
| 45.0 | 0.1822 | 0.0205 | 0.0922 | 0.1292 |
| 63.0 | 0.2176 | 0.0269 | 0.0924 | 0.0963 |
| 81.0 | 0.2144 | 0.0244 | 0.0882 | 0.0915 |
| 99.0 | 0.2247 | 0.0255 | 0.0896 | 0.0932 |
| 117.0 | 0.2446 | 0.0274 | 0.0979 | 0.1017 |
| 135.0 | 0.2489 | 0.0293 | 0.1076 | 0.1533 |
| 153.0 | 0.2351 | 0.0271 | 0.124 | 0.1776 |
| 171.0 | 0.2958 | 0.0445 | 0.1811 | 0.2658 |
Experiment comment: