Measurement E213M1247
| 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: | 1.525 — 1.55 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π+), [deg] | dσ/d(−cos(θ(π+))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 0.7551 | 0.1277 | 0.1663 | 0.2507 |
| 27.0 | 0.5866 | 0.0624 | 0.1218 | 0.1726 |
| 45.0 | 0.5311 | 0.0733 | 0.1162 | 0.1694 |
| 63.0 | 0.3797 | 0.0429 | 0.0878 | 0.0977 |
| 81.0 | 0.4953 | 0.0478 | 0.1035 | 0.114 |
| 99.0 | 0.3222 | 0.0382 | 0.0767 | 0.0857 |
| 117.0 | 0.3854 | 0.0365 | 0.0834 | 0.091 |
| 135.0 | 0.4127 | 0.0521 | 0.0926 | 0.1063 |
| 153.0 | 0.3214 | 0.0203 | 0.2097 | 0.3042 |
| 171.0 | 0.3819 | 0.002 | 0.26 | 0.3691 |
Experiment comment: