Measurement E9M201
| 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: | 0.7 — 0.8 GeV2 | |
| W: | 1.24 GeV | |
| ε: | 0.858 | |
| 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 | 4.13 | 0.848 | 0.3874 |
| -0.9 | 45.0 | 6.51 | 1.14 | 0.3794 |
| -0.9 | 75.0 | 4.88 | 0.879 | 0.575 |
| -0.9 | 105.0 | 5.82 | 1.19 | 0.5867 |
| -0.9 | 135.0 | 7.71 | 1.51 | 1.6192 |
| -0.9 | 165.0 | 4.56 | 0.96 | 0.5258 |
| -0.9 | 195.0 | 3.13 | 0.785 | 0.4312 |
| -0.9 | 225.0 | 5.09 | 1.03 | 0.3767 |
| -0.9 | 255.0 | 6.31 | 1.12 | 0.6056 |
| -0.9 | 285.0 | 5.92 | 1.18 | 0.3334 |
| -0.9 | 315.0 | 6.61 | 1.15 | 0.8917 |
| -0.9 | 345.0 | 7.34 | 1.3 | 1.025 |
| -0.7 | 15.0 | 9.28 | 1.23 | 0.2921 |
| -0.7 | 45.0 | 9.31 | 1.25 | 0.8903 |
| -0.7 | 75.0 | 12.4 | 1.58 | 0.9152 |
| -0.7 | 105.0 | 8.6 | 1.19 | 0.7369 |
| -0.7 | 135.0 | 5.58 | 0.866 | 0.7508 |
| -0.7 | 165.0 | 3.85 | 0.729 | 0.6705 |
| -0.7 | 195.0 | 4.62 | 0.922 | 0.6211 |
| -0.7 | 225.0 | 9.58 | 1.47 | 1.4976 |
| -0.7 | 255.0 | 11.8 | 1.68 | 0.4153 |
| -0.7 | 285.0 | 9.76 | 1.28 | 0.4815 |
| -0.7 | 315.0 | 6.06 | 0.855 | 1.7816 |
| -0.7 | 345.0 | 5.42 | 0.815 | 0.9269 |
| -0.5 | 15.0 | 9.6 | 1.29 | 1.0286 |
| -0.5 | 45.0 | 10.1 | 1.17 | 0.5764 |
| -0.5 | 75.0 | 12.2 | 1.48 | 0.8078 |
| -0.5 | 105.0 | 12.7 | 1.75 | 1.0805 |
| -0.5 | 135.0 | 9.81 | 1.4 | 0.2781 |
| -0.5 | 165.0 | 4.36 | 0.726 | 1.0136 |
| -0.5 | 195.0 | 4.24 | 0.712 | 0.8944 |
| -0.5 | 225.0 | 7.71 | 1.16 | 0.7419 |
| -0.5 | 255.0 | 12.4 | 1.62 | 0.3905 |
| -0.5 | 285.0 | 10.1 | 1.41 | 0.7844 |
| -0.5 | 315.0 | 10.7 | 1.3 | 0.3775 |
| -0.5 | 345.0 | 9.12 | 1.24 | 0.8681 |
| -0.3 | 15.0 | 7.29 | 1.03 | 0.2288 |
| -0.3 | 45.0 | 8.78 | 1.03 | 1.2693 |
| -0.3 | 75.0 | 14.5 | 1.7 | 0.6557 |
| -0.3 | 105.0 | 14.9 | 2.13 | 0.6837 |
| -0.3 | 135.0 | 10.1 | 1.53 | 0.6498 |
| -0.3 | 165.0 | 7.83 | 1.18 | 0.8933 |
| -0.3 | 195.0 | 5.99 | 0.882 | 0.8234 |
| -0.3 | 225.0 | 9.64 | 1.4 | 0.9441 |
| -0.3 | 255.0 | 15.6 | 2.11 | 1.1358 |
| -0.3 | 285.0 | 14.1 | 1.79 | 0.3354 |
| -0.3 | 315.0 | 13.3 | 1.56 | 1.1023 |
| -0.3 | 345.0 | 7.94 | 1.04 | 0.7785 |
| -0.1 | 15.0 | 6.94 | 0.848 | 0.4297 |
| -0.1 | 45.0 | 10.6 | 1.24 | 0.3824 |
| -0.1 | 75.0 | 16.5 | 1.98 | 1.9378 |
| -0.1 | 105.0 | 14.3 | 2.0 | 2.2187 |
| -0.1 | 135.0 | 10.1 | 1.55 | 0.959 |
| -0.1 | 165.0 | 10.1 | 1.37 | 1.0955 |
| -0.1 | 195.0 | 6.44 | 0.941 | 0.3249 |
| -0.1 | 225.0 | 12.4 | 1.91 | 0.9734 |
| -0.1 | 255.0 | 13.9 | 2.09 | 2.6796 |
| -0.1 | 285.0 | 17.0 | 1.87 | 0.3122 |
| -0.1 | 315.0 | 14.1 | 1.58 | 1.2689 |
| -0.1 | 345.0 | 7.09 | 0.932 | 0.6692 |
| 0.1 | 15.0 | 9.04 | 1.19 | 1.0036 |
| 0.1 | 45.0 | 12.6 | 1.39 | 0.6614 |
| 0.1 | 75.0 | 16.3 | 2.07 | 1.1853 |
| 0.1 | 105.0 | 17.5 | 2.93 | 1.6109 |
| 0.1 | 135.0 | 13.0 | 2.13 | 1.7668 |
| 0.1 | 165.0 | 9.02 | 1.25 | 0.7777 |
| 0.1 | 195.0 | 9.39 | 1.28 | 0.7409 |
| 0.1 | 225.0 | 11.8 | 1.92 | 1.2288 |
| 0.1 | 255.0 | 17.7 | 2.62 | 0.7314 |
| 0.1 | 285.0 | 15.8 | 1.98 | 0.8803 |
| 0.1 | 315.0 | 13.2 | 1.5 | 0.8031 |
| 0.1 | 345.0 | 7.62 | 0.991 | 0.1776 |
| 0.3 | 15.0 | 7.65 | 1.04 | 0.4036 |
| 0.3 | 45.0 | 13.2 | 1.41 | 0.3536 |
| 0.3 | 75.0 | 11.5 | 1.49 | 2.103 |
| 0.3 | 105.0 | 12.4 | 2.44 | 0.1658 |
| 0.3 | 135.0 | 7.8 | 1.41 | 1.6559 |
| 0.3 | 165.0 | 9.84 | 1.32 | 0.5675 |
| 0.3 | 195.0 | 7.83 | 1.07 | 0.6488 |
| 0.3 | 225.0 | 15.6 | 2.68 | 0.6124 |
| 0.3 | 255.0 | 11.3 | 2.06 | 1.0416 |
| 0.3 | 285.0 | 13.7 | 1.77 | 0.5408 |
| 0.3 | 315.0 | 8.91 | 1.06 | 0.3477 |
| 0.3 | 345.0 | 6.11 | 0.871 | 0.4975 |
| 0.5 | 15.0 | 5.13 | 0.816 | 0.3486 |
| 0.5 | 45.0 | 7.72 | 1.01 | 0.9587 |
| 0.5 | 75.0 | 15.9 | 2.04 | 0.477 |
| 0.5 | 105.0 | 12.9 | 2.29 | 0.6964 |
| 0.5 | 135.0 | 6.65 | 1.33 | 0.4132 |
| 0.5 | 165.0 | 7.22 | 1.11 | 0.3114 |
| 0.5 | 195.0 | 6.19 | 0.963 | 0.7667 |
| 0.5 | 225.0 | 12.4 | 2.13 | 1.0476 |
| 0.5 | 255.0 | 9.43 | 1.75 | 1.2842 |
| 0.5 | 285.0 | 15.0 | 2.07 | 1.5 |
| 0.5 | 315.0 | 8.93 | 1.11 | 0.2935 |
| 0.5 | 345.0 | 5.61 | 0.895 | 0.1552 |
| 0.7 | 15.0 | 4.64 | 0.755 | 0.405 |
| 0.7 | 45.0 | 6.14 | 0.966 | 0.4108 |
| 0.7 | 75.0 | 9.84 | 1.44 | 0.4819 |
| 0.7 | 105.0 | 12.2 | 2.01 | 0.6764 |
| 0.7 | 135.0 | 8.23 | 1.39 | 1.5369 |
| 0.7 | 165.0 | 9.13 | 1.36 | 1.1297 |
| 0.7 | 195.0 | 9.3 | 1.38 | 1.3087 |
| 0.7 | 225.0 | 9.52 | 1.53 | 0.7079 |
| 0.7 | 255.0 | 10.4 | 1.67 | 1.3222 |
| 0.7 | 285.0 | 11.1 | 1.55 | 0.773 |
| 0.7 | 315.0 | 6.89 | 0.988 | 0.3636 |
| 0.7 | 345.0 | 5.54 | 0.887 | 0.2689 |
| 0.9 | 15.0 | 7.0 | 1.3 | 0.626 |
| 0.9 | 45.0 | 4.74 | 0.817 | 0.2487 |
| 0.9 | 75.0 | 8.1 | 1.32 | 0.5769 |
| 0.9 | 105.0 | 4.4 | 0.857 | 0.591 |
| 0.9 | 135.0 | 8.65 | 1.43 | 1.338 |
| 0.9 | 165.0 | 10.2 | 1.67 | 0.9799 |
| 0.9 | 195.0 | 8.19 | 1.36 | 0.5886 |
| 0.9 | 225.0 | 6.71 | 1.21 | 0.9525 |
| 0.9 | 255.0 | 8.17 | 1.33 | 0.4008 |
| 0.9 | 285.0 | 6.97 | 1.09 | 0.6437 |
| 0.9 | 315.0 | 8.17 | 1.4 | 1.93 |
| 0.9 | 345.0 | 5.94 | 1.1 | 0.5576 |
Experiment comment: