Measurement E9M35
| 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: | 1.3 — 1.6 GeV2 | |
| W: | 1.18 GeV | |
| ε: | 0.706 | |
| 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 | 1.13 | 0.421 | 0.4542 |
| -0.9 | 45.0 | 1.15 | 0.367 | 0.7542 |
| -0.9 | 75.0 | 1.6 | 0.548 | 0.2822 |
| -0.9 | 105.0 | 2.14 | 0.876 | 0.7248 |
| -0.9 | 135.0 | 1.61 | 0.579 | 0.4556 |
| -0.9 | 165.0 | 0.795 | 0.3 | 0.5343 |
| -0.9 | 195.0 | 0.962 | 0.437 | 0.4392 |
| -0.9 | 225.0 | 1.61 | 0.516 | 0.1395 |
| -0.9 | 255.0 | 1.56 | 0.575 | 0.2314 |
| -0.9 | 285.0 | 1.1 | 0.375 | 0.1441 |
| -0.9 | 315.0 | 0.822 | 0.404 | 0.1646 |
| -0.9 | 345.0 | 3.54 | 1.32 | 0.7149 |
| -0.7 | 15.0 | 3.62 | 1.11 | 1.0112 |
| -0.7 | 45.0 | 1.6 | 0.45 | 0.3636 |
| -0.7 | 75.0 | 1.67 | 0.473 | 0.4022 |
| -0.7 | 105.0 | 1.15 | 0.389 | 0.1478 |
| -0.7 | 135.0 | 4.94 | 1.32 | 1.4155 |
| -0.7 | 165.0 | 0.481 | 0.183 | 0.3464 |
| -0.7 | 195.0 | 1.75 | 0.525 | 0.371 |
| -0.7 | 225.0 | 1.52 | 0.465 | 0.5494 |
| -0.7 | 255.0 | 1.77 | 0.56 | 0.9299 |
| -0.7 | 285.0 | 2.76 | 0.754 | 0.1037 |
| -0.7 | 315.0 | 1.53 | 0.606 | 0.3994 |
| -0.7 | 345.0 | 1.3 | 0.414 | 0.1556 |
| -0.5 | 15.0 | 2.27 | 0.751 | 0.1662 |
| -0.5 | 45.0 | 2.49 | 0.804 | 0.5781 |
| -0.5 | 75.0 | 2.53 | 0.803 | 0.4007 |
| -0.5 | 105.0 | 4.59 | 1.15 | 0.6036 |
| -0.5 | 135.0 | 2.45 | 0.669 | 0.2757 |
| -0.5 | 165.0 | 2.25 | 0.73 | 0.4333 |
| -0.5 | 195.0 | 2.89 | 0.729 | 0.4036 |
| -0.5 | 225.0 | 2.77 | 0.833 | 0.3068 |
| -0.5 | 255.0 | 2.23 | 0.657 | 0.5483 |
| -0.5 | 285.0 | 1.56 | 0.469 | 0.1898 |
| -0.5 | 315.0 | 2.75 | 0.809 | 0.4501 |
| -0.5 | 345.0 | 3.62 | 1.06 | 0.3131 |
| -0.3 | 15.0 | 1.27 | 0.441 | 0.0939 |
| -0.3 | 45.0 | 1.11 | 0.384 | 0.1459 |
| -0.3 | 75.0 | 2.71 | 0.653 | 0.5385 |
| -0.3 | 105.0 | 2.99 | 0.895 | 0.5663 |
| -0.3 | 135.0 | 1.95 | 0.582 | 0.2943 |
| -0.3 | 165.0 | 1.66 | 0.484 | 0.3257 |
| -0.3 | 195.0 | 4.27 | 1.23 | 0.5437 |
| -0.3 | 225.0 | 2.24 | 0.748 | 0.312 |
| -0.3 | 255.0 | 2.26 | 0.615 | 0.5532 |
| -0.3 | 285.0 | 3.07 | 0.784 | 0.328 |
| -0.3 | 315.0 | 1.78 | 0.499 | 0.2849 |
| -0.3 | 345.0 | 1.91 | 0.617 | 0.2811 |
| -0.1 | 15.0 | 1.51 | 0.401 | 0.107 |
| -0.1 | 45.0 | 2.85 | 0.8 | 0.6363 |
| -0.1 | 75.0 | 3.94 | 0.965 | 0.2012 |
| -0.1 | 105.0 | 4.14 | 1.13 | 0.6685 |
| -0.1 | 135.0 | 3.94 | 0.941 | 0.3123 |
| -0.1 | 165.0 | 1.67 | 0.403 | 0.4112 |
| -0.1 | 195.0 | 3.03 | 0.664 | 0.167 |
| -0.1 | 225.0 | 2.64 | 0.701 | 0.8021 |
| -0.1 | 255.0 | 3.45 | 0.91 | 0.3816 |
| -0.1 | 285.0 | 2.2 | 0.623 | 0.443 |
| -0.1 | 315.0 | 5.57 | 1.51 | 1.3985 |
| -0.1 | 345.0 | 1.89 | 0.544 | 0.6258 |
| 0.1 | 15.0 | 1.52 | 0.456 | 0.255 |
| 0.1 | 45.0 | 2.9 | 0.77 | 0.2612 |
| 0.1 | 75.0 | 2.01 | 0.524 | 0.4529 |
| 0.1 | 105.0 | 5.0 | 1.27 | 0.7045 |
| 0.1 | 135.0 | 3.19 | 0.774 | 0.4522 |
| 0.1 | 165.0 | 2.92 | 0.748 | 0.4235 |
| 0.1 | 195.0 | 2.9 | 0.641 | 0.3262 |
| 0.1 | 225.0 | 4.95 | 1.25 | 0.9815 |
| 0.1 | 255.0 | 2.7 | 0.741 | 0.2801 |
| 0.1 | 285.0 | 3.13 | 0.861 | 0.6989 |
| 0.1 | 315.0 | 3.03 | 0.785 | 0.2121 |
| 0.1 | 345.0 | 2.14 | 0.586 | 0.3597 |
| 0.3 | 15.0 | 2.2 | 0.626 | 0.5203 |
| 0.3 | 45.0 | 3.05 | 0.798 | 0.3138 |
| 0.3 | 75.0 | 3.91 | 0.953 | 0.3917 |
| 0.3 | 105.0 | 3.75 | 1.02 | 0.6908 |
| 0.3 | 135.0 | 3.21 | 0.857 | 0.2718 |
| 0.3 | 165.0 | 4.97 | 1.11 | 0.9402 |
| 0.3 | 195.0 | 2.94 | 0.644 | 0.462 |
| 0.3 | 225.0 | 4.93 | 1.23 | 0.8239 |
| 0.3 | 255.0 | 3.44 | 0.838 | 0.2804 |
| 0.3 | 285.0 | 4.52 | 1.13 | 0.5746 |
| 0.3 | 315.0 | 2.23 | 0.544 | 0.3334 |
| 0.3 | 345.0 | 1.73 | 0.436 | 0.3444 |
| 0.5 | 15.0 | 2.7 | 0.755 | 0.45 |
| 0.5 | 45.0 | 3.85 | 1.15 | 1.0586 |
| 0.5 | 75.0 | 2.56 | 0.659 | 0.3257 |
| 0.5 | 105.0 | 3.29 | 0.824 | 0.4065 |
| 0.5 | 135.0 | 3.96 | 0.914 | 0.5574 |
| 0.5 | 165.0 | 5.28 | 1.17 | 0.8196 |
| 0.5 | 195.0 | 2.99 | 0.688 | 0.2753 |
| 0.5 | 225.0 | 2.99 | 0.739 | 0.6797 |
| 0.5 | 255.0 | 7.1 | 1.75 | 2.1958 |
| 0.5 | 285.0 | 3.06 | 0.832 | 0.7471 |
| 0.5 | 315.0 | 2.67 | 0.729 | 0.2685 |
| 0.5 | 345.0 | 1.8 | 0.454 | 0.8431 |
| 0.7 | 15.0 | 2.92 | 0.939 | 0.66 |
| 0.7 | 45.0 | 2.8 | 0.724 | 0.4289 |
| 0.7 | 75.0 | 3.09 | 0.945 | 0.8567 |
| 0.7 | 105.0 | 4.01 | 1.03 | 0.6144 |
| 0.7 | 135.0 | 3.0 | 0.737 | 0.3702 |
| 0.7 | 165.0 | 9.18 | 1.92 | 1.8304 |
| 0.7 | 195.0 | 5.42 | 1.13 | 0.769 |
| 0.7 | 225.0 | 5.7 | 1.2 | 0.641 |
| 0.7 | 255.0 | 3.35 | 0.812 | 0.309 |
| 0.7 | 285.0 | 4.34 | 1.04 | 0.6549 |
| 0.7 | 315.0 | 1.86 | 0.567 | 0.4954 |
| 0.7 | 345.0 | 1.33 | 0.475 | 0.085 |
| 0.9 | 15.0 | 4.6 | 1.37 | 0.4882 |
| 0.9 | 45.0 | 2.57 | 0.738 | 0.2428 |
| 0.9 | 75.0 | 2.1 | 0.712 | 0.2353 |
| 0.9 | 105.0 | 2.69 | 0.737 | 0.758 |
| 0.9 | 135.0 | 2.82 | 0.755 | 0.3656 |
| 0.9 | 165.0 | 3.23 | 0.991 | 0.7858 |
| 0.9 | 195.0 | 1.57 | 0.458 | 1.0103 |
| 0.9 | 225.0 | 2.3 | 0.623 | 0.1766 |
| 0.9 | 255.0 | 1.82 | 0.555 | 0.2574 |
| 0.9 | 285.0 | 2.85 | 0.787 | 0.3328 |
| 0.9 | 315.0 | 1.64 | 0.582 | 0.2385 |
| 0.9 | 345.0 | 3.73 | 1.14 | 0.6695 |
Experiment comment: