Measurement E213M769
| 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: | 3.0 — 3.5 GeV2 | |
| W: | 1.65 — 1.675 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π−), [deg] | dσ/d(−cos(θ(π−))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 1.81 | 0.3469 | 0.3242 | 0.4748 |
| 27.0 | 2.6251 | 0.1853 | 0.2682 | 0.326 |
| 45.0 | 1.9054 | 0.1228 | 0.1996 | 0.2343 |
| 63.0 | 1.93 | 0.1346 | 0.1989 | 0.2402 |
| 81.0 | 1.3975 | 0.1318 | 0.1523 | 0.2014 |
| 99.0 | 1.42 | 0.0997 | 0.147 | 0.1776 |
| 117.0 | 1.2202 | 0.0944 | 0.1285 | 0.1594 |
| 135.0 | 1.3027 | 0.0797 | 0.1319 | 0.1541 |
| 153.0 | 1.4487 | 0.0947 | 0.1461 | 0.1741 |
| 171.0 | 1.0132 | 0.2968 | 0.1692 | 0.3416 |
Experiment comment: