Measurement E9M229
| 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: | 1.2 GeV | |
| ε: | 0.837 | |
| 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 | 5.41 | 0.88 | 0.3406 |
| -0.9 | 45.0 | 4.07 | 0.705 | 0.2897 |
| -0.9 | 75.0 | 6.58 | 1.02 | 0.4462 |
| -0.9 | 105.0 | 4.39 | 0.854 | 0.1676 |
| -0.9 | 135.0 | 5.84 | 0.984 | 0.5378 |
| -0.9 | 165.0 | 3.36 | 0.704 | 0.5744 |
| -0.9 | 195.0 | 3.85 | 0.751 | 0.4084 |
| -0.9 | 225.0 | 5.96 | 1.05 | 0.972 |
| -0.9 | 255.0 | 6.46 | 1.12 | 0.5486 |
| -0.9 | 285.0 | 6.62 | 1.06 | 0.3753 |
| -0.9 | 315.0 | 5.65 | 0.895 | 0.5075 |
| -0.9 | 345.0 | 6.02 | 0.965 | 0.7149 |
| -0.7 | 15.0 | 6.88 | 0.864 | 0.7153 |
| -0.7 | 45.0 | 6.82 | 0.887 | 0.1903 |
| -0.7 | 75.0 | 7.44 | 0.972 | 0.8534 |
| -0.7 | 105.0 | 7.98 | 1.04 | 0.3565 |
| -0.7 | 135.0 | 6.55 | 0.935 | 0.3708 |
| -0.7 | 165.0 | 3.88 | 0.658 | 0.5883 |
| -0.7 | 195.0 | 4.51 | 0.84 | 0.7844 |
| -0.7 | 225.0 | 5.7 | 0.868 | 0.4269 |
| -0.7 | 255.0 | 6.32 | 0.891 | 0.8872 |
| -0.7 | 285.0 | 9.29 | 1.23 | 0.5808 |
| -0.7 | 315.0 | 6.06 | 0.796 | 0.4042 |
| -0.7 | 345.0 | 6.82 | 0.893 | 0.1595 |
| -0.5 | 15.0 | 4.94 | 0.676 | 0.5229 |
| -0.5 | 45.0 | 8.81 | 1.07 | 0.5442 |
| -0.5 | 75.0 | 11.3 | 1.33 | 0.1118 |
| -0.5 | 105.0 | 10.1 | 1.25 | 0.7194 |
| -0.5 | 135.0 | 9.48 | 1.13 | 0.8965 |
| -0.5 | 165.0 | 5.53 | 0.783 | 0.7981 |
| -0.5 | 195.0 | 9.38 | 1.21 | 0.5809 |
| -0.5 | 225.0 | 7.89 | 0.982 | 0.7229 |
| -0.5 | 255.0 | 9.36 | 1.17 | 0.3729 |
| -0.5 | 285.0 | 11.6 | 1.28 | 0.6856 |
| -0.5 | 315.0 | 7.48 | 0.84 | 0.277 |
| -0.5 | 345.0 | 6.11 | 0.743 | 1.0432 |
| -0.3 | 15.0 | 7.19 | 0.876 | 0.3405 |
| -0.3 | 45.0 | 11.8 | 1.3 | 2.0597 |
| -0.3 | 75.0 | 11.4 | 1.21 | 0.4822 |
| -0.3 | 105.0 | 12.1 | 1.41 | 0.7714 |
| -0.3 | 135.0 | 9.69 | 1.19 | 0.3484 |
| -0.3 | 165.0 | 6.49 | 0.919 | 1.0131 |
| -0.3 | 195.0 | 7.56 | 1.02 | 0.7439 |
| -0.3 | 225.0 | 10.8 | 1.22 | 0.505 |
| -0.3 | 255.0 | 9.33 | 1.11 | 0.6454 |
| -0.3 | 285.0 | 13.3 | 1.41 | 0.4848 |
| -0.3 | 315.0 | 10.2 | 1.1 | 0.4549 |
| -0.3 | 345.0 | 7.48 | 0.899 | 0.2641 |
| -0.1 | 15.0 | 5.43 | 0.761 | 0.2885 |
| -0.1 | 45.0 | 9.76 | 1.07 | 0.7483 |
| -0.1 | 75.0 | 12.2 | 1.38 | 1.0356 |
| -0.1 | 105.0 | 11.6 | 1.45 | 0.866 |
| -0.1 | 135.0 | 10.2 | 1.22 | 1.0699 |
| -0.1 | 165.0 | 9.25 | 1.13 | 0.3576 |
| -0.1 | 195.0 | 8.07 | 0.954 | 0.3921 |
| -0.1 | 225.0 | 9.45 | 1.22 | 0.5757 |
| -0.1 | 255.0 | 14.2 | 1.59 | 1.0735 |
| -0.1 | 285.0 | 11.4 | 1.27 | 0.324 |
| -0.1 | 315.0 | 11.1 | 1.18 | 0.3969 |
| -0.1 | 345.0 | 5.89 | 0.789 | 0.4537 |
| 0.1 | 15.0 | 5.39 | 0.766 | 0.0758 |
| 0.1 | 45.0 | 10.2 | 1.1 | 0.715 |
| 0.1 | 75.0 | 11.4 | 1.3 | 0.2828 |
| 0.1 | 105.0 | 10.4 | 1.36 | 0.4111 |
| 0.1 | 135.0 | 11.2 | 1.41 | 0.4183 |
| 0.1 | 165.0 | 8.56 | 1.06 | 0.27 |
| 0.1 | 195.0 | 10.2 | 1.2 | 0.5705 |
| 0.1 | 225.0 | 13.0 | 1.55 | 0.4796 |
| 0.1 | 255.0 | 12.4 | 1.41 | 1.74 |
| 0.1 | 285.0 | 10.2 | 1.19 | 0.787 |
| 0.1 | 315.0 | 8.57 | 0.938 | 0.283 |
| 0.1 | 345.0 | 6.96 | 0.935 | 0.5833 |
| 0.3 | 15.0 | 5.96 | 0.788 | 0.0779 |
| 0.3 | 45.0 | 10.1 | 1.1 | 0.745 |
| 0.3 | 75.0 | 12.1 | 1.37 | 0.505 |
| 0.3 | 105.0 | 11.3 | 1.46 | 0.4528 |
| 0.3 | 135.0 | 11.7 | 1.42 | 0.5268 |
| 0.3 | 165.0 | 11.9 | 1.28 | 0.9836 |
| 0.3 | 195.0 | 12.0 | 1.33 | 1.0782 |
| 0.3 | 225.0 | 11.0 | 1.34 | 1.6271 |
| 0.3 | 255.0 | 10.9 | 1.35 | 1.005 |
| 0.3 | 285.0 | 13.0 | 1.46 | 0.4093 |
| 0.3 | 315.0 | 9.59 | 1.12 | 1.4769 |
| 0.3 | 345.0 | 3.92 | 0.615 | 0.0644 |
| 0.5 | 15.0 | 3.74 | 0.582 | 0.1458 |
| 0.5 | 45.0 | 8.25 | 0.96 | 0.2806 |
| 0.5 | 75.0 | 14.8 | 1.66 | 1.7436 |
| 0.5 | 105.0 | 9.33 | 1.29 | 0.3189 |
| 0.5 | 135.0 | 10.6 | 1.32 | 1.3115 |
| 0.5 | 165.0 | 11.7 | 1.25 | 0.6103 |
| 0.5 | 195.0 | 12.4 | 1.37 | 0.5148 |
| 0.5 | 225.0 | 12.1 | 1.38 | 1.0247 |
| 0.5 | 255.0 | 14.7 | 1.8 | 1.1023 |
| 0.5 | 285.0 | 10.1 | 1.13 | 0.2139 |
| 0.5 | 315.0 | 7.86 | 0.989 | 0.5519 |
| 0.5 | 345.0 | 3.75 | 0.556 | 0.3125 |
| 0.7 | 15.0 | 5.84 | 0.842 | 0.4999 |
| 0.7 | 45.0 | 7.19 | 0.888 | 0.3501 |
| 0.7 | 75.0 | 8.5 | 0.996 | 1.2983 |
| 0.7 | 105.0 | 9.43 | 1.21 | 1.057 |
| 0.7 | 135.0 | 9.38 | 1.21 | 0.4996 |
| 0.7 | 165.0 | 9.12 | 1.11 | 0.6554 |
| 0.7 | 195.0 | 10.0 | 1.16 | 0.9416 |
| 0.7 | 225.0 | 11.4 | 1.43 | 0.7762 |
| 0.7 | 255.0 | 12.1 | 1.47 | 0.3969 |
| 0.7 | 285.0 | 11.3 | 1.32 | 0.9435 |
| 0.7 | 315.0 | 4.77 | 0.637 | 0.2616 |
| 0.7 | 345.0 | 7.18 | 0.977 | 0.8853 |
| 0.9 | 15.0 | 5.86 | 0.919 | 0.7185 |
| 0.9 | 45.0 | 7.16 | 1.03 | 0.3329 |
| 0.9 | 75.0 | 5.65 | 0.826 | 0.2338 |
| 0.9 | 105.0 | 10.5 | 1.46 | 0.7343 |
| 0.9 | 135.0 | 10.0 | 1.37 | 0.5263 |
| 0.9 | 165.0 | 11.0 | 1.59 | 1.93 |
| 0.9 | 195.0 | 8.4 | 1.2 | 0.7717 |
| 0.9 | 225.0 | 10.4 | 1.43 | 1.1524 |
| 0.9 | 255.0 | 10.9 | 1.46 | 0.9266 |
| 0.9 | 285.0 | 7.32 | 1.07 | 0.5286 |
| 0.9 | 315.0 | 5.39 | 0.798 | 0.4371 |
| 0.9 | 345.0 | 5.4 | 0.852 | 0.8544 |
Experiment comment: