Measurement E9M173
| Experiment: | E-89-037 Electroproduction of the P33(1232) Resonance | |
|---|---|---|
| Year: | 2002 | |
| Spokespersons: | V. Burkert, R. Minehart | |
| Reaction: | ep → π0p | |
| Polarization: | none | |
| Quantity: | dσ/dΩ | |
| Q2: | 0.6 — 0.7 GeV2 | |
| W: | 1.28 GeV | |
| ε: | 0.868 | |
| Publication: |
K. Joo, L. C. Smith, V. D. Burkert, R. Minehart, I. G. Aznauryan, L. Elouadrhiri, S. Stepanyan, and CLAS Collaboration Q2 Dependence of Quadrupole Strength in the γ*p --> Δ+(1232) --> pπ0 Transition //
Phys. Rev. Let. 88, 122001 (2002)
|
|
| cos(θπ) | φπ, [deg] | dσ/dΩ, [μb/sr] | uncertainty | syst. uncert. |
|---|---|---|---|---|
| -0.9 | 15.0 | 4.09 | 0.949 | 0.5778 |
| -0.9 | 45.0 | 3.16 | 0.711 | 0.1801 |
| -0.9 | 75.0 | 3.34 | 0.797 | 0.0931 |
| -0.9 | 105.0 | 4.26 | 0.952 | 0.7194 |
| -0.9 | 135.0 | 3.03 | 0.689 | 0.5605 |
| -0.9 | 165.0 | 3.5 | 1.0 | 0.7325 |
| -0.9 | 195.0 | 3.14 | 0.941 | 0.7054 |
| -0.9 | 225.0 | 3.25 | 0.738 | 0.4394 |
| -0.9 | 255.0 | 5.11 | 1.24 | 1.2287 |
| -0.9 | 285.0 | 5.93 | 1.42 | 1.5559 |
| -0.9 | 315.0 | 4.17 | 0.934 | 0.437 |
| -0.9 | 345.0 | 2.82 | 0.702 | 0.3924 |
| -0.7 | 15.0 | 4.72 | 0.816 | 0.8277 |
| -0.7 | 45.0 | 5.46 | 0.888 | 0.4881 |
| -0.7 | 75.0 | 6.24 | 0.961 | 0.4838 |
| -0.7 | 105.0 | 6.16 | 1.11 | 0.3023 |
| -0.7 | 135.0 | 5.35 | 0.962 | 0.7415 |
| -0.7 | 165.0 | 2.39 | 0.588 | 0.1585 |
| -0.7 | 195.0 | 3.86 | 0.796 | 0.5104 |
| -0.7 | 225.0 | 4.41 | 0.9 | 0.6711 |
| -0.7 | 255.0 | 7.79 | 1.23 | 0.2179 |
| -0.7 | 285.0 | 7.07 | 1.05 | 0.622 |
| -0.7 | 315.0 | 5.99 | 0.907 | 0.1381 |
| -0.7 | 345.0 | 5.87 | 0.968 | 0.8833 |
| -0.5 | 15.0 | 4.06 | 0.649 | 0.1257 |
| -0.5 | 45.0 | 6.54 | 0.854 | 0.3315 |
| -0.5 | 75.0 | 8.39 | 1.18 | 0.9994 |
| -0.5 | 105.0 | 9.76 | 1.77 | 0.8932 |
| -0.5 | 135.0 | 6.27 | 1.18 | 0.896 |
| -0.5 | 165.0 | 2.49 | 0.575 | 0.5212 |
| -0.5 | 195.0 | 3.3 | 0.626 | 0.7472 |
| -0.5 | 225.0 | 6.64 | 1.2 | 0.5962 |
| -0.5 | 255.0 | 11.2 | 1.64 | 1.5898 |
| -0.5 | 285.0 | 10.2 | 1.43 | 1.1639 |
| -0.5 | 315.0 | 8.87 | 1.08 | 0.3998 |
| -0.5 | 345.0 | 5.3 | 0.803 | 0.6231 |
| -0.3 | 15.0 | 4.28 | 0.665 | 0.2303 |
| -0.3 | 45.0 | 10.0 | 1.21 | 0.967 |
| -0.3 | 75.0 | 9.61 | 1.54 | 0.7395 |
| -0.3 | 105.0 | 9.66 | 1.96 | 1.7213 |
| -0.3 | 135.0 | 5.2 | 1.27 | 0.6603 |
| -0.3 | 165.0 | 4.72 | 0.973 | 0.7517 |
| -0.3 | 195.0 | 3.37 | 0.692 | 0.2747 |
| -0.3 | 225.0 | 9.05 | 2.14 | 1.6614 |
| -0.3 | 255.0 | 10.4 | 2.03 | 0.7141 |
| -0.3 | 285.0 | 10.4 | 1.44 | 1.1944 |
| -0.3 | 315.0 | 6.94 | 0.838 | 0.2085 |
| -0.3 | 345.0 | 4.79 | 0.766 | 0.3157 |
| -0.1 | 15.0 | 6.36 | 0.851 | 0.1754 |
| -0.1 | 45.0 | 7.31 | 0.925 | 0.5434 |
| -0.1 | 75.0 | 6.87 | 1.38 | 0.873 |
| -0.1 | 105.0 | 14.6 | 4.17 | 1.4612 |
| -0.1 | 135.0 | 5.69 | 2.07 | 1.1309 |
| -0.1 | 165.0 | 3.77 | 0.788 | 0.4417 |
| -0.1 | 195.0 | 3.02 | 0.608 | 0.3741 |
| -0.1 | 225.0 | 5.56 | 1.73 | 0.7047 |
| -0.1 | 255.0 | 8.68 | 2.16 | 0.8106 |
| -0.1 | 285.0 | 9.43 | 1.48 | 0.3587 |
| -0.1 | 315.0 | 7.46 | 0.827 | 1.2734 |
| -0.1 | 345.0 | 3.98 | 0.606 | 0.0778 |
| 0.1 | 15.0 | 4.37 | 0.663 | 0.5786 |
| 0.1 | 45.0 | 9.07 | 1.05 | 0.3256 |
| 0.1 | 75.0 | 6.21 | 1.2 | 0.9129 |
| 0.1 | 105.0 | 11.9 | 4.1 | 1.8062 |
| 0.1 | 135.0 | 4.92 | 2.2 | 0.944 |
| 0.1 | 165.0 | 6.76 | 1.54 | 0.9551 |
| 0.1 | 195.0 | 7.44 | 1.53 | 1.2211 |
| 0.1 | 225.0 | 20.5 | 7.91 | 4.3026 |
| 0.1 | 255.0 | 14.5 | 5.2 | 1.9007 |
| 0.1 | 285.0 | 9.62 | 1.84 | 0.2798 |
| 0.1 | 315.0 | 6.54 | 0.849 | 0.2099 |
| 0.1 | 345.0 | 6.62 | 0.931 | 0.1161 |
| 0.3 | 15.0 | 3.8 | 0.586 | 0.1699 |
| 0.3 | 45.0 | 8.41 | 1.15 | 1.1174 |
| 0.3 | 75.0 | 10.0 | 1.84 | 1.4602 |
| 0.3 | 105.0 | 12.8 | 4.08 | 2.9311 |
| 0.3 | 135.0 | 13.0 | 4.1 | 1.4739 |
| 0.3 | 165.0 | 6.4 | 1.32 | 0.7246 |
| 0.3 | 195.0 | 6.95 | 1.48 | 1.1695 |
| 0.3 | 225.0 | 11.0 | 3.47 | 3.5064 |
| 0.3 | 255.0 | 10.4 | 2.75 | 0.9084 |
| 0.3 | 285.0 | 9.32 | 1.69 | 0.9653 |
| 0.3 | 315.0 | 6.86 | 0.963 | 0.4958 |
| 0.3 | 345.0 | 4.17 | 0.63 | 0.1093 |
| 0.5 | 15.0 | 3.61 | 0.572 | 0.9572 |
| 0.5 | 45.0 | 4.87 | 0.715 | 0.7263 |
| 0.5 | 75.0 | 6.36 | 1.46 | 0.7278 |
| 0.5 | 105.0 | 10.5 | 2.58 | 2.175 |
| 0.5 | 135.0 | 3.89 | 1.73 | 0.8621 |
| 0.5 | 165.0 | 7.15 | 1.42 | 1.7449 |
| 0.5 | 195.0 | 3.58 | 0.851 | 0.7614 |
| 0.5 | 225.0 | 8.8 | 3.36 | 2.7406 |
| 0.5 | 255.0 | 11.4 | 2.8 | 1.6797 |
| 0.5 | 285.0 | 12.5 | 2.09 | 1.3581 |
| 0.5 | 315.0 | 6.91 | 0.981 | 0.4128 |
| 0.5 | 345.0 | 3.67 | 0.585 | 0.5948 |
| 0.7 | 15.0 | 2.07 | 0.385 | 0.3303 |
| 0.7 | 45.0 | 6.54 | 1.08 | 0.94 |
| 0.7 | 75.0 | 5.22 | 1.19 | 0.5394 |
| 0.7 | 105.0 | 4.55 | 1.51 | 2.3713 |
| 0.7 | 135.0 | 5.39 | 2.03 | 1.4651 |
| 0.7 | 165.0 | 8.76 | 1.72 | 1.2586 |
| 0.7 | 195.0 | 7.91 | 1.76 | 1.7178 |
| 0.7 | 225.0 | 4.59 | 1.44 | 1.3796 |
| 0.7 | 255.0 | 14.0 | 3.56 | 3.3588 |
| 0.7 | 285.0 | 9.11 | 1.74 | 1.4726 |
| 0.7 | 315.0 | 4.11 | 0.698 | 0.7152 |
| 0.7 | 345.0 | 3.15 | 0.592 | 0.0873 |
| 0.9 | 15.0 | 2.56 | 0.643 | 0.3334 |
| 0.9 | 45.0 | 3.79 | 0.789 | 0.4976 |
| 0.9 | 75.0 | 3.55 | 0.768 | 0.4083 |
| 0.9 | 105.0 | 5.38 | 1.21 | 0.9055 |
| 0.9 | 135.0 | 4.75 | 1.28 | 1.0475 |
| 0.9 | 165.0 | 3.49 | 0.781 | 1.6457 |
| 0.9 | 195.0 | 5.11 | 1.04 | 1.3872 |
| 0.9 | 225.0 | 3.65 | 0.879 | 0.9404 |
| 0.9 | 255.0 | 3.83 | 0.911 | 0.7374 |
| 0.9 | 285.0 | 4.0 | 0.888 | 0.6043 |
| 0.9 | 315.0 | 3.92 | 0.8 | 0.3602 |
| 0.9 | 345.0 | 2.3 | 0.575 | 0.4552 |
Experiment comment: