Measurement E213M490
| 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: | 2.4 — 3.0 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 | 3.0132 | 0.2592 | 0.6589 | 0.708 |
| 27.0 | 2.7679 | 0.1532 | 0.4411 | 0.467 |
| 45.0 | 2.2459 | 0.1368 | 0.3631 | 0.3881 |
| 63.0 | 1.9637 | 0.1032 | 0.3207 | 0.3369 |
| 81.0 | 1.3553 | 0.1248 | 0.2342 | 0.2654 |
| 99.0 | 1.3563 | 0.079 | 0.2275 | 0.2409 |
| 117.0 | 1.2448 | 0.0807 | 0.2065 | 0.2217 |
| 135.0 | 1.1952 | 0.0651 | 0.1936 | 0.2042 |
| 153.0 | 1.4 | 0.0846 | 0.2275 | 0.2427 |
| 171.0 | 1.3112 | 0.1065 | 0.2827 | 0.3021 |
Experiment comment: