Measurement E213M995
| 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: | 1.55 — 1.575 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π+), [deg] | dσ/d(−cos(θ(π+))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 1.1252 | 0.1156 | 0.1922 | 0.2888 |
| 27.0 | 0.8725 | 0.0846 | 0.1411 | 0.2021 |
| 45.0 | 0.8778 | 0.0651 | 0.1502 | 0.2232 |
| 63.0 | 0.8394 | 0.0681 | 0.1391 | 0.1549 |
| 81.0 | 0.6762 | 0.0447 | 0.1112 | 0.1199 |
| 99.0 | 0.806 | 0.0608 | 0.13 | 0.1436 |
| 117.0 | 0.7511 | 0.0464 | 0.1219 | 0.1304 |
| 135.0 | 0.6306 | 0.054 | 0.1198 | 0.1653 |
| 153.0 | 0.5961 | 0.0358 | 0.3524 | 0.5007 |
| 171.0 | 0.701 | 0.0025 | 0.4455 | 0.6279 |
Experiment comment: