Measurement E213M778
| 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: | 1.675 — 1.7 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π−), [deg] | dσ/d(−cos(θ(π−))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 2.2432 | 0.2596 | 0.439 | 0.51 |
| 27.0 | 2.4646 | 0.1723 | 0.3347 | 0.3765 |
| 45.0 | 2.1733 | 0.1298 | 0.2996 | 0.3265 |
| 63.0 | 1.8995 | 0.1374 | 0.2655 | 0.299 |
| 81.0 | 1.7397 | 0.1025 | 0.2409 | 0.2618 |
| 99.0 | 1.5734 | 0.1 | 0.2146 | 0.2368 |
| 117.0 | 1.5828 | 0.0924 | 0.2083 | 0.2279 |
| 135.0 | 1.4136 | 0.0969 | 0.1857 | 0.2095 |
| 153.0 | 1.6248 | 0.0966 | 0.2116 | 0.2326 |
| 171.0 | 1.6384 | 0.1436 | 0.2797 | 0.3144 |
Experiment comment: