Measurement E213M1178
| 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: | 2.075 — 2.1 GeV | |
| Ebeam: | 5.754 GeV | |
| M(π+,π−), [GeV] | dσ/dM(π+,π−), [μb/GeV] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 0.311554 | 0.3042 | 0.0486 | 0.0988 | 0.1101 |
| 0.376382 | 0.7916 | 0.0857 | 0.2119 | 0.2286 |
| 0.44121 | 1.2492 | 0.1323 | 0.3021 | 0.3298 |
| 0.506037 | 1.5195 | 0.155 | 0.3468 | 0.3799 |
| 0.570865 | 1.4901 | 0.1385 | 0.36 | 0.3857 |
| 0.635693 | 1.7611 | 0.1909 | 0.4391 | 0.4788 |
| 0.70052 | 2.94 | 0.1852 | 0.6978 | 0.722 |
| 0.765348 | 4.0292 | 0.1898 | 0.9454 | 0.9643 |
| 0.830176 | 3.4382 | 0.173 | 0.8049 | 0.8233 |
| 0.895003 | 2.6161 | 0.1843 | 0.6116 | 0.6388 |
| 0.959831 | 2.5756 | 0.1938 | 0.5227 | 0.5575 |
| 1.024659 | 1.4409 | 0.1799 | 0.3116 | 0.3598 |
| 1.089486 | 0.9451 | 0.1432 | 0.1697 | 0.222 |
| 1.154314 | 0.0015 | 0.0028 | 0.0005 | 0.0029 |
Experiment comment: