Measurement E213M275
| 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: | 1.725 — 1.75 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π+), [deg] | dσ/d(−cos(θ(π+))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 4.2291 | 0.2836 | 0.4338 | 0.5183 |
| 27.0 | 4.4582 | 0.1712 | 0.4411 | 0.4732 |
| 45.0 | 3.883 | 0.2044 | 0.4148 | 0.4625 |
| 63.0 | 4.2515 | 0.1617 | 0.4376 | 0.4665 |
| 81.0 | 4.3335 | 0.1834 | 0.4504 | 0.4863 |
| 99.0 | 4.5928 | 0.1635 | 0.475 | 0.5024 |
| 117.0 | 4.5201 | 0.1521 | 0.4909 | 0.5139 |
| 135.0 | 3.398 | 0.223 | 0.5531 | 0.8331 |
| 153.0 | 2.8827 | 0.1722 | 1.1994 | 1.6982 |
| 171.0 | 3.8481 | 0.0041 | 2.2565 | 2.3954 |
Experiment comment: