Measurement E213M751
| 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: | 3.0 — 3.5 GeV2 | |
| W: | 1.6 — 1.625 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π−), [deg] | dσ/d(−cos(θ(π−))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 1.8018 | 0.3173 | 0.3375 | 0.4632 |
| 27.0 | 2.0006 | 0.1441 | 0.2627 | 0.2996 |
| 45.0 | 1.7517 | 0.1353 | 0.2262 | 0.2636 |
| 63.0 | 1.2463 | 0.104 | 0.1675 | 0.1972 |
| 81.0 | 1.0749 | 0.092 | 0.1457 | 0.1723 |
| 99.0 | 0.9332 | 0.067 | 0.1279 | 0.1444 |
| 117.0 | 0.913 | 0.0723 | 0.1251 | 0.1445 |
| 135.0 | 0.9214 | 0.0627 | 0.1243 | 0.1392 |
| 153.0 | 0.9122 | 0.0714 | 0.1263 | 0.1451 |
| 171.0 | 0.8016 | 0.0977 | 0.1555 | 0.1836 |
Experiment comment: