Measurement E213M989
| Experiment: | E1-6, 2025 | |
|---|---|---|
| Year: | 2001 | |
| Spokespersons: | R.W. Gothe, A. Trivedi | |
| Reaction: | ep → π+π−p | |
| Polarization: | none | |
| Quantity: | dσ/dM(π+,π−) | |
| Q2: | 3.5 — 4.2 GeV2 | |
| W: | 1.55 — 1.575 GeV | |
| Ebeam: | 5.754 GeV | |
| M(π+,π−), [GeV] | dσ/dM(π+,π−), [μb/GeV] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 0.291911 | 0.5814 | 0.0943 | 0.2066 | 0.5358 |
| 0.317453 | 2.51 | 0.432 | 0.7137 | 1.0081 |
| 0.342995 | 3.4697 | 0.4284 | 0.848 | 1.1995 |
| 0.368537 | 3.4964 | 0.4039 | 0.8204 | 0.9144 |
| 0.394079 | 4.0049 | 0.5325 | 0.8674 | 1.0178 |
| 0.419621 | 4.3002 | 0.427 | 0.8729 | 0.9718 |
| 0.445163 | 5.3683 | 0.4601 | 0.9733 | 1.0766 |
| 0.470705 | 5.1237 | 0.4743 | 0.8931 | 1.0112 |
| 0.496247 | 4.9398 | 0.3932 | 0.8197 | 1.1546 |
| 0.521789 | 6.4864 | 0.4537 | 1.0032 | 1.4191 |
| 0.547331 | 5.9116 | 0.4557 | 0.8809 | 1.2492 |
| 0.572873 | 5.5742 | 0.4842 | 0.8087 | 1.1405 |
| 0.598415 | 3.9908 | 0.3243 | 0.5662 | 2.3923 |
| 0.623957 | 1.252 | 0.1738 | 0.1897 | 0.2572 |
Experiment comment: