Measurement E9M158
| 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: | 0.8 — 1.0 GeV2 | |
| W: | 1.26 GeV | |
| ε: | 0.568 | |
| 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 | 1.32 | 0.474 | 0.0826 |
| -0.9 | 45.0 | 3.32 | 1.14 | 0.52 |
| -0.9 | 75.0 | 3.23 | 1.14 | 0.2475 |
| -0.9 | 105.0 | 1.52 | 0.663 | 0.221 |
| -0.9 | 135.0 | 2.34 | 0.995 | 0.5911 |
| -0.9 | 165.0 | 0.811 | 0.494 | 0.3144 |
| -0.9 | 195.0 | 2.44 | 1.06 | 0.8693 |
| -0.9 | 225.0 | 5.51 | 1.94 | 1.6251 |
| -0.9 | 255.0 | 4.36 | 1.6 | 1.4766 |
| -0.9 | 285.0 | 2.44 | 0.907 | 0.5613 |
| -0.9 | 315.0 | 4.19 | 1.31 | 0.3773 |
| -0.9 | 345.0 | 1.84 | 0.677 | 0.3015 |
| -0.7 | 15.0 | 4.19 | 1.03 | 0.5036 |
| -0.7 | 45.0 | 5.16 | 1.22 | 0.6552 |
| -0.7 | 75.0 | 7.86 | 1.86 | 1.5618 |
| -0.7 | 105.0 | 2.92 | 0.994 | 0.4761 |
| -0.7 | 135.0 | 3.03 | 0.966 | 0.7093 |
| -0.7 | 165.0 | 1.89 | 0.634 | 0.6661 |
| -0.7 | 195.0 | 1.9 | 0.702 | 0.6509 |
| -0.7 | 225.0 | 2.92 | 0.945 | 0.5032 |
| -0.7 | 255.0 | 5.74 | 1.58 | 1.5682 |
| -0.7 | 285.0 | 6.0 | 1.53 | 0.9875 |
| -0.7 | 315.0 | 6.65 | 1.45 | 0.0485 |
| -0.7 | 345.0 | 2.88 | 0.743 | 0.3169 |
| -0.5 | 15.0 | 5.55 | 1.26 | 0.5098 |
| -0.5 | 45.0 | 6.37 | 1.54 | 0.7887 |
| -0.5 | 75.0 | 4.89 | 1.17 | 0.9383 |
| -0.5 | 105.0 | 7.28 | 1.85 | 0.8398 |
| -0.5 | 135.0 | 7.42 | 2.75 | 2.3403 |
| -0.5 | 165.0 | 4.1 | 1.21 | 0.3551 |
| -0.5 | 195.0 | 3.62 | 1.28 | 1.5283 |
| -0.5 | 225.0 | 4.17 | 1.34 | 0.4453 |
| -0.5 | 255.0 | 8.54 | 2.12 | 1.5894 |
| -0.5 | 285.0 | 6.65 | 1.46 | 0.3903 |
| -0.5 | 315.0 | 6.91 | 1.52 | 0.6643 |
| -0.5 | 345.0 | 3.35 | 1.01 | 0.6404 |
| -0.3 | 15.0 | 3.57 | 0.857 | 0.3172 |
| -0.3 | 45.0 | 7.97 | 1.85 | 0.4155 |
| -0.3 | 75.0 | 10.5 | 2.3 | 1.3941 |
| -0.3 | 105.0 | 7.52 | 1.75 | 1.1519 |
| -0.3 | 135.0 | 4.47 | 1.45 | 0.7406 |
| -0.3 | 165.0 | 6.73 | 2.03 | 1.3531 |
| -0.3 | 195.0 | 4.27 | 1.53 | 1.475 |
| -0.3 | 225.0 | 5.52 | 1.77 | 1.0718 |
| -0.3 | 255.0 | 4.68 | 1.24 | 0.3103 |
| -0.3 | 285.0 | 9.66 | 2.0 | 0.848 |
| -0.3 | 315.0 | 9.17 | 1.95 | 1.2953 |
| -0.3 | 345.0 | 3.22 | 0.876 | 0.2717 |
| -0.1 | 15.0 | 5.95 | 1.3 | 0.7522 |
| -0.1 | 45.0 | 5.33 | 1.23 | 0.1623 |
| -0.1 | 75.0 | 12.9 | 2.23 | 0.6982 |
| -0.1 | 105.0 | 11.6 | 2.42 | 0.9028 |
| -0.1 | 135.0 | 6.56 | 2.0 | 0.7916 |
| -0.1 | 165.0 | 3.39 | 1.24 | 0.6459 |
| -0.1 | 195.0 | 1.58 | 0.745 | 0.0947 |
| -0.1 | 225.0 | 6.65 | 2.0 | 1.3725 |
| -0.1 | 255.0 | 6.3 | 1.31 | 2.5944 |
| -0.1 | 285.0 | 9.18 | 1.76 | 0.8215 |
| -0.1 | 315.0 | 5.13 | 1.12 | 0.6855 |
| -0.1 | 345.0 | 4.87 | 1.1 | 0.5743 |
| 0.1 | 15.0 | 6.6 | 1.31 | 0.1626 |
| 0.1 | 45.0 | 5.67 | 1.22 | 0.8055 |
| 0.1 | 75.0 | 9.17 | 1.89 | 0.6025 |
| 0.1 | 105.0 | 9.06 | 1.97 | 0.5353 |
| 0.1 | 135.0 | 6.4 | 1.83 | 0.5318 |
| 0.1 | 165.0 | 3.93 | 1.25 | 0.7431 |
| 0.1 | 195.0 | 3.7 | 1.38 | 0.6845 |
| 0.1 | 225.0 | 8.16 | 2.75 | 1.0991 |
| 0.1 | 255.0 | 7.83 | 1.99 | 0.5707 |
| 0.1 | 285.0 | 7.09 | 1.7 | 0.9169 |
| 0.1 | 315.0 | 5.93 | 1.31 | 0.161 |
| 0.1 | 345.0 | 5.62 | 1.12 | 0.5478 |
| 0.3 | 15.0 | 3.51 | 0.75 | 0.7473 |
| 0.3 | 45.0 | 6.71 | 1.53 | 0.4586 |
| 0.3 | 75.0 | 7.02 | 1.53 | 0.3491 |
| 0.3 | 105.0 | 9.66 | 2.16 | 0.761 |
| 0.3 | 135.0 | 13.0 | 3.66 | 2.9171 |
| 0.3 | 165.0 | 5.98 | 1.98 | 1.5008 |
| 0.3 | 195.0 | 5.04 | 1.74 | 0.6308 |
| 0.3 | 225.0 | 7.21 | 2.13 | 1.0325 |
| 0.3 | 255.0 | 13.8 | 2.93 | 1.0689 |
| 0.3 | 285.0 | 10.6 | 2.11 | 1.9575 |
| 0.3 | 315.0 | 3.39 | 0.868 | 1.0204 |
| 0.3 | 345.0 | 5.7 | 1.2 | 0.2836 |
| 0.5 | 15.0 | 3.53 | 0.855 | 0.3652 |
| 0.5 | 45.0 | 4.9 | 1.14 | 1.2786 |
| 0.5 | 75.0 | 6.42 | 1.64 | 0.9314 |
| 0.5 | 105.0 | 4.59 | 1.19 | 1.1935 |
| 0.5 | 135.0 | 11.2 | 3.7 | 2.1544 |
| 0.5 | 165.0 | 8.87 | 2.81 | 2.0723 |
| 0.5 | 195.0 | 2.59 | 0.942 | 1.1866 |
| 0.5 | 225.0 | 3.87 | 1.32 | 2.4844 |
| 0.5 | 255.0 | 8.55 | 1.8 | 0.7031 |
| 0.5 | 285.0 | 6.95 | 1.62 | 1.0127 |
| 0.5 | 315.0 | 2.84 | 0.791 | 0.2443 |
| 0.5 | 345.0 | 4.14 | 0.938 | 0.2801 |
| 0.7 | 15.0 | 3.62 | 0.939 | 0.4974 |
| 0.7 | 45.0 | 4.82 | 1.22 | 0.8315 |
| 0.7 | 75.0 | 9.68 | 2.68 | 1.821 |
| 0.7 | 105.0 | 6.2 | 1.54 | 0.5851 |
| 0.7 | 135.0 | 4.92 | 1.91 | 1.2181 |
| 0.7 | 165.0 | 10.4 | 3.16 | 2.4832 |
| 0.7 | 195.0 | 5.09 | 1.59 | 2.311 |
| 0.7 | 225.0 | 6.15 | 2.08 | 0.7141 |
| 0.7 | 255.0 | 3.82 | 1.13 | 0.2282 |
| 0.7 | 285.0 | 5.63 | 1.53 | 0.6426 |
| 0.7 | 315.0 | 3.55 | 0.971 | 1.165 |
| 0.7 | 345.0 | 2.99 | 0.696 | 0.4598 |
| 0.9 | 15.0 | 6.07 | 1.85 | 0.9462 |
| 0.9 | 45.0 | 4.21 | 1.32 | 0.4064 |
| 0.9 | 75.0 | 3.41 | 1.36 | 0.6792 |
| 0.9 | 105.0 | 8.55 | 4.18 | 3.4444 |
| 0.9 | 135.0 | 6.8 | 2.24 | 1.5137 |
| 0.9 | 165.0 | 5.25 | 1.93 | 1.4155 |
| 0.9 | 195.0 | 4.91 | 1.71 | 0.9593 |
| 0.9 | 225.0 | 3.77 | 1.52 | 0.4885 |
| 0.9 | 255.0 | 4.71 | 1.39 | 0.9461 |
| 0.9 | 285.0 | 2.2 | 0.869 | 0.3496 |
| 0.9 | 315.0 | 2.28 | 0.694 | 3.0469 |
| 0.9 | 345.0 | 3.33 | 0.976 | 0.5238 |
Experiment comment: