Measurement E213M1219
| 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: | 1.45 — 1.475 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π−), [deg] | dσ/d(−cos(θ(π−))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 0.2778 | 0.0506 | 0.1336 | 0.1428 |
| 27.0 | 0.4257 | 0.0585 | 0.096 | 0.1124 |
| 45.0 | 0.4081 | 0.0507 | 0.0817 | 0.0962 |
| 63.0 | 0.4025 | 0.0464 | 0.0735 | 0.0869 |
| 81.0 | 0.4037 | 0.0418 | 0.071 | 0.0824 |
| 99.0 | 0.3223 | 0.0329 | 0.0596 | 0.0681 |
| 117.0 | 0.4007 | 0.0525 | 0.0699 | 0.0874 |
| 135.0 | 0.3164 | 0.0416 | 0.0618 | 0.0745 |
| 153.0 | 0.4395 | 0.0562 | 0.0841 | 0.1011 |
| 171.0 | 0.3811 | 0.0674 | 0.1204 | 0.138 |
Experiment comment: