Measurement E7M9
| Experiment: | E89-042 CLAS Experiment | |
|---|---|---|
| Year: | 2003 |
|
| Spokespersons: | V. D. Burkert, R. Minehart | |
| Reaction: | ep → π0p | |
| Polarization: | beam | |
| Quantity: | Ab(θπ, φπ) | |
| Q2: | 0.4 GeV2 | |
| W: | 1.42 GeV | |
| x: | 0.2422 | |
| Publication: |
K. Joo, L.C. Smith, V.D. Burkert, R. Minehart, and CLAS Collaboration Measurement of the Polarized Structure Function of Single pi0 Electroproduction in the Delta Resonance Region //
Phys. Rev. C, 68 03220101 (2003)
|
|
| cos(θπ) | φπ, [deg] | Ab(θπ, φπ), [1/sr] | uncertainty |
|---|---|---|---|
| -0.875 | 22.5 | 0.029 | 0.0912 |
| -0.875 | 67.5 | -0.00397 | 0.0826 |
| -0.875 | 112.5 | 0.0229 | 0.0894 |
| -0.875 | 157.5 | -0.0817 | 0.0741 |
| -0.875 | 202.5 | -0.171 | 0.0788 |
| -0.875 | 247.5 | 0.0643 | 0.0925 |
| -0.875 | 292.5 | -0.0362 | 0.0799 |
| -0.875 | 337.5 | -0.0141 | 0.0816 |
| -0.625 | 22.5 | -0.0639 | 0.0513 |
| -0.625 | 67.5 | -0.115 | 0.0522 |
| -0.625 | 112.5 | -0.0462 | 0.0477 |
| -0.625 | 157.5 | -0.029 | 0.0968 |
| -0.625 | 202.5 | -0.0291 | 0.0967 |
| -0.625 | 247.5 | 0.0223 | 0.0471 |
| -0.625 | 292.5 | 0.138 | 0.0513 |
| -0.625 | 337.5 | 0.0287 | 0.0497 |
| -0.375 | 22.5 | -0.00714 | 0.0397 |
| -0.375 | 67.5 | -0.0455 | 0.0372 |
| -0.375 | 112.5 | -0.0357 | 0.0299 |
| -0.375 | 157.5 | -0.0474 | 0.0661 |
| -0.375 | 202.5 | -0.00652 | 0.0655 |
| -0.375 | 247.5 | 0.0157 | 0.0301 |
| -0.375 | 292.5 | 0.0128 | 0.0371 |
| -0.375 | 337.5 | 0.0629 | 0.0388 |
| -0.125 | 22.5 | -0.0242 | 0.0416 |
| -0.125 | 67.5 | -0.00822 | 0.0314 |
| -0.125 | 112.5 | -0.0458 | 0.0267 |
| -0.125 | 157.5 | 0.0293 | 0.0855 |
| -0.125 | 202.5 | -0.00533 | 0.0909 |
| -0.125 | 247.5 | 0.0714 | 0.0272 |
| -0.125 | 292.5 | 0.0304 | 0.0322 |
| -0.125 | 337.5 | 0.011 | 0.0416 |
| 0.125 | 22.5 | -0.0506 | 0.0393 |
| 0.125 | 67.5 | -0.0888 | 0.0304 |
| 0.125 | 112.5 | -0.0775 | 0.0291 |
| 0.125 | 157.5 | 0.0416 | 0.0751 |
| 0.125 | 202.5 | -0.0122 | 0.0783 |
| 0.125 | 247.5 | 0.0301 | 0.0291 |
| 0.125 | 292.5 | 0.059 | 0.0303 |
| 0.125 | 337.5 | 0.0826 | 0.0394 |
| 0.375 | 22.5 | -0.0467 | 0.0267 |
| 0.375 | 67.5 | -0.131 | 0.0313 |
| 0.375 | 112.5 | -0.097 | 0.0343 |
| 0.375 | 157.5 | -0.168 | 0.0578 |
| 0.375 | 202.5 | 0.0648 | 0.057 |
| 0.375 | 247.5 | 0.203 | 0.0342 |
| 0.375 | 292.5 | 0.118 | 0.0313 |
| 0.375 | 337.5 | 0.0675 | 0.027 |
| 0.625 | 22.5 | -0.134 | 0.0323 |
| 0.625 | 67.5 | -0.228 | 0.0364 |
| 0.625 | 112.5 | -0.19 | 0.043 |
| 0.625 | 157.5 | -0.0848 | 0.0601 |
| 0.625 | 202.5 | 0.19 | 0.0564 |
| 0.625 | 247.5 | 0.241 | 0.0428 |
| 0.625 | 292.5 | 0.239 | 0.0365 |
| 0.625 | 337.5 | 0.123 | 0.0326 |
| 0.875 | 22.5 | -0.13 | 0.0383 |
| 0.875 | 67.5 | -0.275 | 0.0491 |
| 0.875 | 112.5 | -0.264 | 0.0635 |
| 0.875 | 157.5 | -0.0709 | 0.102 |
| 0.875 | 202.5 | -0.00887 | 0.104 |
| 0.875 | 247.5 | 0.2 | 0.0646 |
| 0.875 | 292.5 | 0.174 | 0.0475 |
| 0.875 | 337.5 | 0.0649 | 0.0383 |