Measurement E213M1446
| Experiment: | E1-6, 2025 | |
|---|---|---|
| Year: | 2001 | |
| Spokespersons: | R.W. Gothe, A. Trivedi | |
| Reaction: | ep → π+π−p | |
| Polarization: | none | |
| Quantity: | dσ/d(−cos(θ(p))) | |
| Q2: | 4.2 — 5.0 GeV2 | |
| W: | 2.075 — 2.1 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(p), [deg] | dσ/d(−cos(θ(p))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 0.1329 | 0.0151 | 0.0627 | 0.0645 |
| 27.0 | 0.1648 | 0.0224 | 0.0679 | 0.0715 |
| 45.0 | 0.2205 | 0.0101 | 0.1086 | 0.109 |
| 63.0 | 0.2988 | 0.0231 | 0.0998 | 0.1024 |
| 81.0 | 0.3976 | 0.027 | 0.1058 | 0.1092 |
| 99.0 | 0.6368 | 0.0407 | 0.1303 | 0.1365 |
| 117.0 | 0.7862 | 0.0502 | 0.136 | 0.145 |
| 135.0 | 0.9383 | 0.0621 | 0.1547 | 0.1667 |
| 153.0 | 1.108 | 0.0822 | 0.1952 | 0.2118 |
| 171.0 | 1.4221 | 0.1613 | 0.2752 | 0.319 |
Experiment comment: