Measurement E213M1328
| 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: | 4.2 — 5.0 GeV2 | |
| W: | 1.75 — 1.775 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π+), [deg] | dσ/d(−cos(θ(π+))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 1.3332 | 0.1579 | 0.1704 | 0.2323 |
| 27.0 | 1.1518 | 0.1274 | 0.1448 | 0.1929 |
| 45.0 | 0.8283 | 0.0826 | 0.118 | 0.1441 |
| 63.0 | 0.8854 | 0.0837 | 0.1243 | 0.1499 |
| 81.0 | 0.8581 | 0.0705 | 0.1291 | 0.1471 |
| 99.0 | 0.9228 | 0.0748 | 0.1196 | 0.1411 |
| 117.0 | 0.7535 | 0.0545 | 0.0996 | 0.1136 |
| 135.0 | 0.5657 | 0.0536 | 0.0837 | 0.1256 |
| 153.0 | 0.4313 | 0.0319 | 0.2076 | 0.2967 |
| 171.0 | 0.7471 | 0.0023 | 0.4505 | 0.6384 |
Experiment comment: