Measurement E187M147
| Experiment: | e1e | |
|---|---|---|
| Year: | 2022 | |
| Spokespersons: | Y. Tian, R. W. Gothe V.I. Mokeev, and G. Hollis | |
| Reaction: | ed → π− p | |
| Polarization: | none | |
| Quantity: | dσ/dΩ (quasi-free) | |
| Q2: | 0.5 GeV2 | |
| W: | 1.7875 GeV | |
| Publication: |
Y. Tian, R.W. Gothe, V.I. Mokeev and G. Hollis (For CLAS Collaboration) Exclusive π− Electroproduction off the Neutron in Deuterium in the Resonance Region // CLAS-Notes 2021-101 //
|
|
| cos(θ) | φ, [degree] | dσ/dΩ (quasi-free), [μb/sr] | uncertainty | syst. uncert. |
|---|---|---|---|---|
| 0.5 | 90.0 | 0.290472 | 0.0204072 | 0.0262577 |
| 0.5 | 100.0 | 0.306706 | 0.0248078 | 0.0280915 |
| 0.5 | 112.5 | 0.304602 | 0.023515 | 0.0243582 |
| 0.7 | 90.0 | 0.701109 | 0.0536618 | 0.0602282 |
| 0.7 | 100.0 | 0.784115 | 0.0623963 | 0.0690662 |
| 0.7 | 112.5 | 0.780607 | 0.0536999 | 0.07781 |
| 0.7 | 140.0 | 0.895941 | 0.0625999 | 0.123973 |
| 0.7 | 150.0 | 0.822336 | 0.0464464 | 0.0872833 |
| 0.7 | 157.5 | 0.820003 | 0.0596119 | 0.08471 |
| 0.7 | 180.0 | 0.724698 | 0.0512811 | 0.0610139 |
| 0.7 | 202.5 | 0.760573 | 0.0536929 | 0.0784671 |
| 0.7 | 210.0 | 0.736202 | 0.0421716 | 0.0716292 |
| 0.7 | 220.0 | 0.755463 | 0.0556665 | 0.0900396 |
| 0.7 | 247.5 | 0.8046 | 0.0483536 | 0.0726539 |
| 0.7 | 260.0 | 0.817273 | 0.0549424 | 0.0792616 |
| 0.7 | 270.0 | 0.7622 | 0.0486417 | 0.0727746 |
| 0.9 | 140.0 | 3.40392 | 0.323795 | 0.647861 |
| 0.9 | 150.0 | 2.28496 | 0.140105 | 0.276716 |
| 0.9 | 157.5 | 2.36745 | 0.161092 | 0.291722 |
| 0.9 | 180.0 | 1.78545 | 0.106554 | 0.164858 |
| 0.9 | 202.5 | 2.11563 | 0.141161 | 0.184458 |
| 0.9 | 210.0 | 2.10607 | 0.128155 | 0.190999 |
| 0.9 | 220.0 | 3.11732 | 0.296169 | 0.503698 |
Experiment comment: