Measurement E9M88
| 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: | 0.45 — 0.6 GeV2 | |
| W: | 1.28 GeV | |
| ε: | 0.745 | |
| 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 | 3.94 | 0.766 | 0.3089 |
| -0.9 | 45.0 | 2.83 | 0.616 | 0.5678 |
| -0.9 | 75.0 | 4.97 | 0.867 | 0.3136 |
| -0.9 | 105.0 | 2.73 | 0.57 | 0.6891 |
| -0.9 | 135.0 | 4.12 | 0.888 | 0.3305 |
| -0.9 | 165.0 | 4.16 | 0.884 | 1.1448 |
| -0.9 | 195.0 | 3.66 | 0.83 | 0.4756 |
| -0.9 | 225.0 | 4.2 | 0.894 | 0.1662 |
| -0.9 | 255.0 | 7.85 | 1.45 | 0.9469 |
| -0.9 | 285.0 | 3.23 | 0.628 | 0.2387 |
| -0.9 | 315.0 | 2.66 | 0.519 | 0.4209 |
| -0.9 | 345.0 | 4.07 | 0.817 | 0.8634 |
| -0.7 | 15.0 | 5.09 | 0.651 | 0.5031 |
| -0.7 | 45.0 | 7.72 | 1.01 | 0.1975 |
| -0.7 | 75.0 | 7.35 | 1.11 | 0.8475 |
| -0.7 | 105.0 | 8.36 | 1.37 | 1.2838 |
| -0.7 | 135.0 | 3.95 | 0.787 | 0.2653 |
| -0.7 | 165.0 | 3.47 | 0.605 | 0.6143 |
| -0.7 | 195.0 | 2.7 | 0.525 | 0.2885 |
| -0.7 | 225.0 | 4.65 | 0.939 | 0.4324 |
| -0.7 | 255.0 | 8.67 | 1.41 | 0.8959 |
| -0.7 | 285.0 | 9.56 | 1.33 | 0.2446 |
| -0.7 | 315.0 | 6.79 | 0.946 | 0.6762 |
| -0.7 | 345.0 | 5.32 | 0.693 | 0.2422 |
| -0.5 | 15.0 | 6.03 | 0.696 | 0.3573 |
| -0.5 | 45.0 | 7.91 | 0.969 | 0.3952 |
| -0.5 | 75.0 | 10.7 | 1.48 | 0.5408 |
| -0.5 | 105.0 | 11.2 | 1.71 | 1.4092 |
| -0.5 | 135.0 | 5.27 | 1.15 | 0.7384 |
| -0.5 | 165.0 | 3.74 | 0.716 | 0.4693 |
| -0.5 | 195.0 | 4.29 | 0.792 | 0.316 |
| -0.5 | 225.0 | 7.99 | 1.54 | 0.6919 |
| -0.5 | 255.0 | 9.37 | 1.53 | 1.2219 |
| -0.5 | 285.0 | 9.44 | 1.34 | 0.338 |
| -0.5 | 315.0 | 8.12 | 0.897 | 0.9473 |
| -0.5 | 345.0 | 6.08 | 0.751 | 0.523 |
| -0.3 | 15.0 | 7.16 | 0.772 | 0.6674 |
| -0.3 | 45.0 | 7.65 | 0.888 | 0.5067 |
| -0.3 | 75.0 | 17.8 | 2.2 | 2.1656 |
| -0.3 | 105.0 | 11.7 | 1.67 | 0.5025 |
| -0.3 | 135.0 | 8.39 | 1.72 | 0.6513 |
| -0.3 | 165.0 | 2.19 | 0.517 | 0.6004 |
| -0.3 | 195.0 | 4.3 | 0.806 | 0.2973 |
| -0.3 | 225.0 | 6.55 | 1.42 | 1.0495 |
| -0.3 | 255.0 | 15.1 | 2.1 | 1.2 |
| -0.3 | 285.0 | 12.4 | 1.5 | 0.5545 |
| -0.3 | 315.0 | 6.96 | 0.807 | 0.4859 |
| -0.3 | 345.0 | 7.06 | 0.777 | 0.832 |
| -0.1 | 15.0 | 5.2 | 0.616 | 0.2813 |
| -0.1 | 45.0 | 9.33 | 1.03 | 0.3774 |
| -0.1 | 75.0 | 15.4 | 1.74 | 0.4 |
| -0.1 | 105.0 | 13.4 | 1.74 | 0.2784 |
| -0.1 | 135.0 | 10.8 | 1.91 | 0.4713 |
| -0.1 | 165.0 | 5.61 | 1.21 | 1.1708 |
| -0.1 | 195.0 | 3.81 | 0.853 | 1.345 |
| -0.1 | 225.0 | 9.18 | 1.69 | 2.7921 |
| -0.1 | 255.0 | 18.2 | 2.2 | 1.3847 |
| -0.1 | 285.0 | 16.8 | 1.93 | 0.866 |
| -0.1 | 315.0 | 9.24 | 1.03 | 0.431 |
| -0.1 | 345.0 | 6.7 | 0.729 | 0.3808 |
| 0.1 | 15.0 | 7.21 | 0.797 | 0.2033 |
| 0.1 | 45.0 | 9.42 | 1.07 | 1.2486 |
| 0.1 | 75.0 | 13.2 | 1.54 | 0.3674 |
| 0.1 | 105.0 | 11.8 | 1.5 | 0.1871 |
| 0.1 | 135.0 | 11.2 | 1.8 | 1.7337 |
| 0.1 | 165.0 | 4.46 | 1.41 | 0.739 |
| 0.1 | 195.0 | 5.88 | 1.64 | 0.7766 |
| 0.1 | 225.0 | 10.6 | 1.74 | 0.8761 |
| 0.1 | 255.0 | 15.8 | 1.93 | 0.967 |
| 0.1 | 285.0 | 9.3 | 1.13 | 1.7283 |
| 0.1 | 315.0 | 9.34 | 1.08 | 0.2873 |
| 0.1 | 345.0 | 5.88 | 0.683 | 0.1799 |
| 0.3 | 15.0 | 5.81 | 0.667 | 0.0819 |
| 0.3 | 45.0 | 11.9 | 1.34 | 1.2227 |
| 0.3 | 75.0 | 10.6 | 1.29 | 0.6384 |
| 0.3 | 105.0 | 12.3 | 1.51 | 0.4664 |
| 0.3 | 135.0 | 8.45 | 1.3 | 0.4918 |
| 0.3 | 165.0 | 5.46 | 1.52 | 1.1254 |
| 0.3 | 195.0 | 3.59 | 1.35 | 0.875 |
| 0.3 | 225.0 | 9.26 | 1.39 | 0.6242 |
| 0.3 | 255.0 | 12.8 | 1.63 | 0.6265 |
| 0.3 | 285.0 | 11.9 | 1.4 | 0.3354 |
| 0.3 | 315.0 | 9.6 | 1.07 | 0.3962 |
| 0.3 | 345.0 | 5.89 | 0.681 | 0.1372 |
| 0.5 | 15.0 | 6.19 | 0.768 | 0.3132 |
| 0.5 | 45.0 | 8.09 | 1.05 | 0.706 |
| 0.5 | 75.0 | 9.26 | 1.2 | 0.514 |
| 0.5 | 105.0 | 10.2 | 1.27 | 0.7533 |
| 0.5 | 135.0 | 9.8 | 1.46 | 1.0653 |
| 0.5 | 165.0 | 6.33 | 1.82 | 2.8797 |
| 0.5 | 195.0 | 7.39 | 1.96 | 1.0774 |
| 0.5 | 225.0 | 8.94 | 1.4 | 0.7636 |
| 0.5 | 255.0 | 11.7 | 1.53 | 1.0339 |
| 0.5 | 285.0 | 10.7 | 1.3 | 0.3464 |
| 0.5 | 315.0 | 6.04 | 0.786 | 0.5467 |
| 0.5 | 345.0 | 5.9 | 0.699 | 0.5019 |
| 0.7 | 15.0 | 4.29 | 0.568 | 0.0786 |
| 0.7 | 45.0 | 5.38 | 0.814 | 0.331 |
| 0.7 | 75.0 | 9.44 | 1.43 | 0.6742 |
| 0.7 | 105.0 | 11.3 | 1.64 | 1.2809 |
| 0.7 | 135.0 | 5.86 | 1.04 | 0.8308 |
| 0.7 | 165.0 | 2.78 | 0.831 | 0.3209 |
| 0.7 | 195.0 | 4.54 | 1.08 | 0.8454 |
| 0.7 | 225.0 | 8.4 | 1.58 | 1.3304 |
| 0.7 | 255.0 | 8.14 | 1.24 | 0.6916 |
| 0.7 | 285.0 | 8.09 | 1.24 | 0.6692 |
| 0.7 | 315.0 | 6.67 | 0.919 | 0.2126 |
| 0.7 | 345.0 | 3.58 | 0.51 | 0.0447 |
| 0.9 | 15.0 | 4.12 | 0.674 | 0.2481 |
| 0.9 | 45.0 | 5.37 | 1.02 | 1.1797 |
| 0.9 | 75.0 | 5.36 | 0.988 | 0.4867 |
| 0.9 | 105.0 | 3.62 | 0.707 | 0.9778 |
| 0.9 | 135.0 | 2.42 | 0.821 | 1.0202 |
| 0.9 | 165.0 | 4.93 | 1.19 | 0.5714 |
| 0.9 | 195.0 | 5.33 | 1.33 | 0.6991 |
| 0.9 | 225.0 | 3.97 | 1.07 | 0.486 |
| 0.9 | 255.0 | 6.59 | 1.43 | 1.2799 |
| 0.9 | 285.0 | 5.72 | 1.05 | 0.7283 |
| 0.9 | 315.0 | 5.08 | 0.816 | 0.3632 |
| 0.9 | 345.0 | 3.38 | 0.571 | 0.2569 |
Experiment comment: