Measurement E213M257
| 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: | 1.675 — 1.7 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π+), [deg] | dσ/d(−cos(θ(π+))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 4.7323 | 0.2536 | 0.5186 | 0.5773 |
| 27.0 | 4.4261 | 0.1567 | 0.4508 | 0.4773 |
| 45.0 | 4.2531 | 0.2337 | 0.4919 | 0.5446 |
| 63.0 | 3.6989 | 0.1399 | 0.4032 | 0.4268 |
| 81.0 | 4.1131 | 0.1492 | 0.4463 | 0.4706 |
| 99.0 | 3.9849 | 0.1302 | 0.4377 | 0.4567 |
| 117.0 | 4.2148 | 0.1791 | 0.4925 | 0.5241 |
| 135.0 | 3.6113 | 0.2396 | 0.6578 | 0.7001 |
| 153.0 | 3.2969 | 0.2001 | 1.4823 | 2.0947 |
| 171.0 | 3.9823 | 0.0049 | 2.3351 | 3.3093 |
Experiment comment: