Measurement E213M661
| 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: | 2.4 — 3.0 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 | 2.8277 | 0.1866 | 0.442 | 0.4798 |
| 27.0 | 2.7217 | 0.1331 | 0.3549 | 0.379 |
| 45.0 | 2.0779 | 0.1006 | 0.2881 | 0.3051 |
| 63.0 | 1.7336 | 0.0953 | 0.2697 | 0.286 |
| 81.0 | 1.7538 | 0.095 | 0.2833 | 0.2988 |
| 99.0 | 1.59 | 0.0754 | 0.2741 | 0.2843 |
| 117.0 | 1.3612 | 0.076 | 0.2474 | 0.2588 |
| 135.0 | 1.3227 | 0.0622 | 0.2406 | 0.2485 |
| 153.0 | 1.6031 | 0.0993 | 0.259 | 0.2774 |
| 171.0 | 1.5527 | 0.1323 | 0.3229 | 0.3489 |
Experiment comment: