Measurement E9M72
| 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: | 1.6 — 2.0 GeV2 | |
| W: | 1.34 GeV | |
| ε: | 0.506 | |
| 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 |
|---|---|---|---|
| -0.9 | 15.0 | 0.0457 | 0.0397 |
| -0.9 | 45.0 | 0.108 | 0.117 |
| -0.9 | 75.0 | 0.0336 | 0.0365 |
| -0.9 | 105.0 | 0.76 | 0.658 |
| -0.9 | 165.0 | 1.35 | 0.892 |
| -0.9 | 195.0 | 0.111 | 0.12 |
| -0.9 | 225.0 | 1.03 | 0.842 |
| -0.9 | 255.0 | 0.849 | 0.858 |
| -0.9 | 285.0 | 1.97 | 1.42 |
| -0.9 | 315.0 | 2.05 | 2.56 |
| -0.9 | 345.0 | 0.116 | 0.0915 |
| -0.7 | 15.0 | 0.964 | 0.525 |
| -0.7 | 45.0 | 0.289 | 0.186 |
| -0.7 | 75.0 | 0.738 | 0.503 |
| -0.7 | 105.0 | 1.86 | 1.1 |
| -0.7 | 135.0 | 0.502 | 0.376 |
| -0.7 | 165.0 | 1.43 | 1.19 |
| -0.7 | 195.0 | 0.561 | 0.436 |
| -0.7 | 225.0 | 0.191 | 0.147 |
| -0.7 | 285.0 | 0.792 | 0.364 |
| -0.7 | 315.0 | 1.48 | 0.951 |
| -0.5 | 15.0 | 0.845 | 0.412 |
| -0.5 | 45.0 | 0.618 | 0.359 |
| -0.5 | 75.0 | 0.567 | 0.33 |
| -0.5 | 105.0 | 0.94 | 0.588 |
| -0.5 | 135.0 | 0.255 | 0.275 |
| -0.5 | 195.0 | 0.892 | 0.818 |
| -0.5 | 225.0 | 0.582 | 0.674 |
| -0.5 | 255.0 | 1.26 | 0.611 |
| -0.5 | 285.0 | 0.0754 | 0.0776 |
| -0.5 | 315.0 | 0.231 | 0.125 |
| -0.5 | 345.0 | 2.41 | 1.24 |
| -0.3 | 15.0 | 0.349 | 0.176 |
| -0.3 | 45.0 | 0.461 | 0.227 |
| -0.3 | 75.0 | 0.945 | 0.511 |
| -0.3 | 105.0 | 1.86 | 0.875 |
| -0.3 | 135.0 | 0.822 | 0.546 |
| -0.3 | 165.0 | 0.319 | 0.342 |
| -0.3 | 195.0 | 0.407 | 0.271 |
| -0.3 | 225.0 | 4.23 | 3.14 |
| -0.3 | 255.0 | 1.51 | 1.03 |
| -0.3 | 285.0 | 0.435 | 0.246 |
| -0.3 | 315.0 | 0.758 | 0.428 |
| -0.3 | 345.0 | 0.464 | 0.302 |
| -0.1 | 15.0 | 0.269 | 0.172 |
| -0.1 | 45.0 | 1.2 | 0.542 |
| -0.1 | 75.0 | 0.829 | 0.345 |
| -0.1 | 105.0 | 0.796 | 0.544 |
| -0.1 | 135.0 | 1.37 | 0.944 |
| -0.1 | 165.0 | 2.53 | 2.56 |
| -0.1 | 225.0 | 0.487 | 0.323 |
| -0.1 | 255.0 | 1.91 | 1.22 |
| -0.1 | 285.0 | 0.677 | 0.347 |
| -0.1 | 315.0 | 0.448 | 0.287 |
| -0.1 | 345.0 | 0.461 | 0.211 |
| 0.1 | 15.0 | 0.45 | 0.229 |
| 0.1 | 45.0 | 0.779 | 0.315 |
| 0.1 | 75.0 | 0.883 | 0.43 |
| 0.1 | 105.0 | 0.4 | 0.219 |
| 0.1 | 135.0 | 0.593 | 0.474 |
| 0.1 | 165.0 | 2.84 | 3.49 |
| 0.1 | 225.0 | 2.41 | 2.43 |
| 0.1 | 255.0 | 0.734 | 0.354 |
| 0.1 | 285.0 | 1.13 | 0.448 |
| 0.1 | 315.0 | 0.855 | 0.345 |
| 0.1 | 345.0 | 0.694 | 0.273 |
| 0.3 | 15.0 | 0.685 | 0.34 |
| 0.3 | 45.0 | 0.41 | 0.223 |
| 0.3 | 75.0 | 0.258 | 0.195 |
| 0.3 | 105.0 | 0.799 | 0.418 |
| 0.3 | 135.0 | 4.28 | 3.6 |
| 0.3 | 165.0 | 2.31 | 1.36 |
| 0.3 | 195.0 | 8.01 | 9.31 |
| 0.3 | 225.0 | 0.629 | 0.546 |
| 0.3 | 255.0 | 0.75 | 0.335 |
| 0.3 | 285.0 | 0.809 | 0.367 |
| 0.3 | 315.0 | 0.879 | 0.542 |
| 0.3 | 345.0 | 0.279 | 0.213 |
| 0.5 | 15.0 | 0.388 | 0.229 |
| 0.5 | 45.0 | 0.455 | 0.374 |
| 0.5 | 75.0 | 0.982 | 0.473 |
| 0.5 | 105.0 | 0.941 | 0.545 |
| 0.5 | 135.0 | 2.59 | 3.19 |
| 0.5 | 225.0 | 1.05 | 0.783 |
| 0.5 | 255.0 | 2.55 | 1.83 |
| 0.5 | 285.0 | 0.435 | 0.251 |
| 0.5 | 315.0 | 0.499 | 0.278 |
| 0.5 | 345.0 | 0.707 | 0.308 |
| 0.7 | 15.0 | 1.58 | 0.891 |
| 0.7 | 45.0 | 0.223 | 0.129 |
| 0.7 | 75.0 | 0.399 | 0.308 |
| 0.7 | 105.0 | 0.876 | 0.56 |
| 0.7 | 195.0 | 0.848 | 0.582 |
| 0.7 | 225.0 | 4.06 | 4.6 |
| 0.7 | 255.0 | 1.03 | 0.86 |
| 0.7 | 285.0 | 0.0404 | 0.0422 |
| 0.7 | 315.0 | 0.697 | 0.458 |
| 0.7 | 345.0 | 2.17 | 2.68 |
| 0.9 | 15.0 | 1.32 | 1.52 |
| 0.9 | 75.0 | 1.38 | 1.57 |
| 0.9 | 105.0 | 0.943 | 0.659 |
| 0.9 | 135.0 | 0.695 | 0.499 |
| 0.9 | 255.0 | 0.141 | 0.165 |
| 0.9 | 285.0 | 0.505 | 0.405 |
| 0.9 | 315.0 | 1.94 | 1.68 |
| 0.9 | 345.0 | 0.0485 | 0.0547 |
Experiment comment: