Measurement E213M1067
| 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: | 3.5 — 4.2 GeV2 | |
| W: | 1.75 — 1.775 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π+), [deg] | dσ/d(−cos(θ(π+))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 1.5532 | 0.1307 | 0.169 | 0.2402 |
| 27.0 | 1.5389 | 0.1115 | 0.161 | 0.228 |
| 45.0 | 1.497 | 0.1431 | 0.1613 | 0.2157 |
| 63.0 | 1.2954 | 0.0784 | 0.1455 | 0.1653 |
| 81.0 | 1.3515 | 0.0827 | 0.1552 | 0.1759 |
| 99.0 | 1.3528 | 0.0874 | 0.1475 | 0.1715 |
| 117.0 | 1.3494 | 0.0759 | 0.1467 | 0.1651 |
| 135.0 | 1.0027 | 0.0717 | 0.132 | 0.1864 |
| 153.0 | 0.799 | 0.0892 | 0.3272 | 0.4641 |
| 171.0 | 1.1728 | 0.0027 | 0.6902 | 0.9761 |
Experiment comment: