Measurement E213M976
| 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: | 1.5 — 1.525 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π−), [deg] | dσ/d(−cos(θ(π−))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 1.1932 | 0.1534 | 0.2886 | 0.3268 |
| 27.0 | 1.2708 | 0.1089 | 0.21 | 0.2366 |
| 45.0 | 1.0641 | 0.0844 | 0.1717 | 0.1913 |
| 63.0 | 0.9832 | 0.0795 | 0.1527 | 0.1722 |
| 81.0 | 0.8279 | 0.0698 | 0.129 | 0.1466 |
| 99.0 | 0.7687 | 0.0591 | 0.1234 | 0.1368 |
| 117.0 | 0.7961 | 0.0657 | 0.1278 | 0.1437 |
| 135.0 | 0.8104 | 0.0618 | 0.1311 | 0.1449 |
| 153.0 | 0.8607 | 0.0878 | 0.1452 | 0.1697 |
| 171.0 | 0.7979 | 0.1065 | 0.1973 | 0.2242 |
Experiment comment: