Measurement E187M139
| 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: | 0.7 GeV2 | |
| W: | 1.6625 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. |
|---|---|---|---|---|
| -0.9 | 20.0 | 0.391985 | 0.0315605 | 0.0310303 |
| -0.9 | 22.5 | 0.391739 | 0.0307697 | 0.0330045 |
| -0.9 | 30.0 | 0.396757 | 0.0288028 | 0.0336773 |
| -0.9 | 330.0 | 0.452322 | 0.0367162 | 0.0462516 |
| -0.9 | 337.5 | 0.460104 | 0.0333108 | 0.0434521 |
| -0.9 | 340.0 | 0.468931 | 0.0346719 | 0.0437552 |
| -0.7 | 20.0 | 0.359868 | 0.0295476 | 0.0287028 |
| -0.7 | 22.5 | 0.345049 | 0.0280286 | 0.0270861 |
| -0.7 | 30.0 | 0.322947 | 0.02369 | 0.0263237 |
| -0.7 | 90.0 | 0.286129 | 0.0244636 | 0.0235263 |
| -0.7 | 330.0 | 0.234927 | 0.0193885 | 0.019555 |
| -0.5 | 30.0 | 0.272121 | 0.0205629 | 0.0211408 |
| -0.5 | 90.0 | 0.34653 | 0.0234946 | 0.0269884 |
| -0.5 | 100.0 | 0.354429 | 0.0271968 | 0.0278623 |
| -0.5 | 112.5 | 0.331823 | 0.0255697 | 0.0258769 |
| -0.5 | 247.5 | 0.368382 | 0.0274792 | 0.0297942 |
| -0.5 | 260.0 | 0.374255 | 0.0285448 | 0.0316453 |
| -0.5 | 270.0 | 0.358861 | 0.0243861 | 0.030772 |
| -0.5 | 330.0 | 0.241441 | 0.0191294 | 0.0198256 |
| -0.3 | 90.0 | 0.281771 | 0.0208293 | 0.0207606 |
| -0.3 | 100.0 | 0.261032 | 0.0230408 | 0.0185611 |
| -0.3 | 270.0 | 0.333291 | 0.0257819 | 0.0295548 |
| -0.3 | 292.5 | 0.349575 | 0.0296734 | 0.0323107 |
| -0.1 | 90.0 | 0.243778 | 0.0195517 | 0.0210829 |
| 0.3 | 270.0 | 0.255524 | 0.0187173 | 0.0266092 |
| 0.5 | 90.0 | 0.693839 | 0.0354158 | 0.0541573 |
| 0.5 | 100.0 | 0.693522 | 0.0375141 | 0.056141 |
| 0.5 | 112.5 | 0.652012 | 0.0446058 | 0.0519229 |
| 0.5 | 210.0 | 0.453175 | 0.0343452 | 0.0368596 |
| 0.5 | 220.0 | 0.483552 | 0.0399519 | 0.0400612 |
| 0.5 | 247.5 | 0.591092 | 0.0366543 | 0.05012 |
| 0.5 | 260.0 | 0.605837 | 0.0341067 | 0.0452778 |
| 0.5 | 270.0 | 0.624783 | 0.0321713 | 0.0483021 |
| 0.5 | 292.5 | 0.566443 | 0.044423 | 0.0425692 |
| 0.7 | 67.5 | 1.2225 | 0.091328 | 0.0834464 |
| 0.7 | 90.0 | 1.18616 | 0.0500769 | 0.0869232 |
| 0.7 | 100.0 | 1.17264 | 0.0540535 | 0.0869602 |
| 0.7 | 112.5 | 1.12086 | 0.0530677 | 0.0889849 |
| 0.7 | 140.0 | 0.860101 | 0.0535461 | 0.0872493 |
| 0.7 | 150.0 | 0.760614 | 0.0411417 | 0.069695 |
| 0.7 | 157.5 | 0.67683 | 0.0446364 | 0.0631419 |
| 0.7 | 180.0 | 0.647203 | 0.0471787 | 0.0540431 |
| 0.7 | 202.5 | 0.737007 | 0.0452763 | 0.0649991 |
| 0.7 | 210.0 | 0.730329 | 0.0437449 | 0.0681614 |
| 0.7 | 220.0 | 0.78627 | 0.0596124 | 0.0799824 |
| 0.7 | 247.5 | 1.0452 | 0.0607492 | 0.0817824 |
| 0.7 | 260.0 | 1.15968 | 0.0580352 | 0.0907707 |
| 0.7 | 270.0 | 1.13565 | 0.0525365 | 0.0870136 |
| 0.7 | 292.5 | 1.10107 | 0.0853097 | 0.0936043 |
| 0.9 | 112.5 | 1.20453 | 0.0950491 | 0.149569 |
| 0.9 | 150.0 | 1.109 | 0.0792515 | 0.170533 |
| 0.9 | 180.0 | 1.19396 | 0.0812847 | 0.175103 |
| 0.9 | 202.5 | 1.23399 | 0.0794228 | 0.194748 |
| 0.9 | 210.0 | 1.25383 | 0.0673272 | 0.190666 |
| 0.9 | 220.0 | 1.31955 | 0.088497 | 0.217249 |
| 0.9 | 247.5 | 1.5533 | 0.11045 | 0.15513 |
Experiment comment: