Measurement E213M1012
| 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: | 3.5 — 4.2 GeV2 | |
| W: | 1.6 — 1.625 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π−), [deg] | dσ/d(−cos(θ(π−))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 1.5501 | 0.2473 | 0.3551 | 0.4327 |
| 27.0 | 1.4496 | 0.1194 | 0.2619 | 0.2878 |
| 45.0 | 1.2774 | 0.0948 | 0.225 | 0.2441 |
| 63.0 | 1.0051 | 0.0849 | 0.1803 | 0.1993 |
| 81.0 | 0.8483 | 0.0833 | 0.1543 | 0.1753 |
| 99.0 | 0.6295 | 0.0512 | 0.1177 | 0.1284 |
| 117.0 | 0.5532 | 0.0634 | 0.1064 | 0.1238 |
| 135.0 | 0.5965 | 0.0525 | 0.1132 | 0.1248 |
| 153.0 | 0.5401 | 0.0463 | 0.1077 | 0.1172 |
| 171.0 | 0.5484 | 0.1964 | 0.148 | 0.2459 |
Experiment comment: