Measurement E213M1301
| 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: | 1.675 — 1.7 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π+), [deg] | dσ/d(−cos(θ(π+))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 1.2111 | 0.1519 | 0.1585 | 0.2195 |
| 27.0 | 1.1898 | 0.1082 | 0.1417 | 0.2051 |
| 45.0 | 0.8306 | 0.084 | 0.1081 | 0.1369 |
| 63.0 | 0.685 | 0.0696 | 0.1013 | 0.1229 |
| 81.0 | 0.8367 | 0.0774 | 0.114 | 0.1378 |
| 99.0 | 0.8632 | 0.0706 | 0.1085 | 0.1294 |
| 117.0 | 0.7879 | 0.0561 | 0.0971 | 0.1122 |
| 135.0 | 0.7061 | 0.0688 | 0.0958 | 0.1376 |
| 153.0 | 0.698 | 0.0792 | 0.2783 | 0.3942 |
| 171.0 | 0.865 | 0.0033 | 0.5135 | 0.7261 |
Experiment comment: