Measurement E213M1265
| 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: | 1.575 — 1.6 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π+), [deg] | dσ/d(−cos(θ(π+))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 0.6287 | 0.1063 | 0.1784 | 0.258 |
| 27.0 | 0.6561 | 0.0786 | 0.1784 | 0.2524 |
| 45.0 | 0.5385 | 0.064 | 0.1513 | 0.2231 |
| 63.0 | 0.5428 | 0.0954 | 0.1529 | 0.1802 |
| 81.0 | 0.4129 | 0.0377 | 0.1163 | 0.1222 |
| 99.0 | 0.3978 | 0.0434 | 0.1149 | 0.1228 |
| 117.0 | 0.3169 | 0.0953 | 0.091 | 0.1318 |
| 135.0 | 0.4387 | 0.0524 | 0.1236 | 0.174 |
| 153.0 | 0.4217 | 0.078 | 0.2426 | 0.347 |
| 171.0 | 0.4535 | 0.0021 | 0.3411 | 0.4831 |
Experiment comment: