Measurement E213M1185
| Experiment: | E1-6, 2025 | |
|---|---|---|
| Year: | 2001 | |
| Spokespersons: | R.W. Gothe, A. Trivedi | |
| Reaction: | ep → π+π−p | |
| Polarization: | none | |
| Quantity: | dσ/d(−cos(θ(p))) | |
| Q2: | 3.5 — 4.2 GeV2 | |
| W: | 2.075 — 2.1 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(p), [deg] | dσ/d(−cos(θ(p))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 0.2339 | 0.0354 | 0.0737 | 0.0818 |
| 27.0 | 0.2618 | 0.0386 | 0.0644 | 0.075 |
| 45.0 | 0.4081 | 0.0399 | 0.1443 | 0.1497 |
| 63.0 | 0.4628 | 0.0402 | 0.151 | 0.1563 |
| 81.0 | 0.6345 | 0.0389 | 0.1737 | 0.178 |
| 99.0 | 0.824 | 0.0477 | 0.1998 | 0.2054 |
| 117.0 | 1.0262 | 0.0567 | 0.2076 | 0.2152 |
| 135.0 | 1.2093 | 0.0642 | 0.2327 | 0.2414 |
| 153.0 | 1.7428 | 0.1084 | 0.3319 | 0.3492 |
| 171.0 | 2.1966 | 0.2106 | 0.3839 | 0.4379 |
Experiment comment: