Measurement E213M400
| 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: | 2.0 — 2.4 GeV2 | |
| W: | 2.075 — 2.1 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π−), [deg] | dσ/d(−cos(θ(π−))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 3.889 | 0.2446 | 0.5677 | 0.6182 |
| 27.0 | 3.4977 | 0.1603 | 0.4269 | 0.456 |
| 45.0 | 2.6299 | 0.1176 | 0.3344 | 0.3544 |
| 63.0 | 2.2634 | 0.1409 | 0.3151 | 0.3451 |
| 81.0 | 2.0954 | 0.0951 | 0.3303 | 0.3437 |
| 99.0 | 2.1402 | 0.1234 | 0.3566 | 0.3773 |
| 117.0 | 1.9726 | 0.0993 | 0.3486 | 0.3624 |
| 135.0 | 2.0002 | 0.1008 | 0.3494 | 0.3637 |
| 153.0 | 2.3059 | 0.1256 | 0.3871 | 0.4069 |
| 171.0 | 2.325 | 0.1869 | 0.5246 | 0.5569 |
Experiment comment: