CLAS Physics Database

Measurement E9M94

Experiment: E-89-037 Electroproduction of the P33(1232) Resonance
Year: 2002

Experiment comment:

Release 1 - Data replay: recsis prod-1-9. RC and acceptance: aao_rad+MAID98
Spokespersons: V. Burkert, R. Minehart
Reaction: ep → π0p
Polarization: none
Quantity: dσ/dΩ
Q2: 0.45 — 0.6 GeV2
W: 1.4 GeV
ε: 0.65
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)

Slice: cos(θπ) = dimensionless

Measurement data
cos(θπ) φπ, [deg] dσ/dΩ, [μb/sr] uncertainty syst. uncert.
-0.9 15.0 0.727 0.368 0.4356
-0.9 45.0 0.389 0.183 0.3844
-0.9 75.0 0.614 0.303 0.2411
-0.9 105.0 0.798 0.348 0.1305
-0.9 135.0 0.163 0.167 0.1072
-0.9 165.0 0.623 0.306 0.135
-0.9 195.0 1.52 0.573 0.4261
-0.9 225.0 1.29 0.572 0.3584
-0.9 255.0 1.78 0.814 0.3523
-0.9 285.0 0.32 0.198 0.0691
-0.9 315.0 0.903 0.436 0.3058
-0.9 345.0 0.327 0.164 0.0919
-0.7 15.0 0.734 0.207 0.0729
-0.7 45.0 0.783 0.231 0.3912
-0.7 75.0 1.82 0.583 0.3306
-0.7 105.0 1.71 0.613 0.1736
-0.7 135.0 1.98 1.0 0.7059
-0.7 165.0 0.498 0.307 0.3075
-0.7 195.0 1.38 0.641 0.8481
-0.7 225.0 10.7 5.42 3.7887
-0.7 255.0 1.64 0.577 0.2998
-0.7 285.0 1.48 0.464 0.3068
-0.7 315.0 1.18 0.335 0.0992
-0.7 345.0 0.58 0.161 0.1913
-0.5 15.0 1.18 0.23 0.5451
-0.5 45.0 2.49 0.571 0.2938
-0.5 75.0 1.52 0.45 0.1898
-0.5 105.0 2.54 0.661 0.6243
-0.5 135.0 2.57 0.742 0.4388
-0.5 165.0 4.47 2.9 1.4797
-0.5 195.0 9.24 11.3 5.331
-0.5 225.0 1.72 0.568 0.4442
-0.5 255.0 3.74 0.963 0.1765
-0.5 285.0 2.61 0.632 0.5217
-0.5 315.0 2.31 0.555 0.3617
-0.5 345.0 0.879 0.209 0.0855
-0.3 15.0 1.55 0.297 0.0682
-0.3 45.0 2.42 0.545 0.1012
-0.3 75.0 3.48 0.773 0.7907
-0.3 105.0 2.74 0.584 0.3637
-0.3 135.0 2.2 0.529 0.1325
-0.3 165.0 2.73 1.86 1.1496
-0.3 195.0 6.99 3.64 1.8168
-0.3 225.0 2.48 0.479 0.7417
-0.3 255.0 4.19 0.818 0.4034
-0.3 285.0 4.88 0.96 0.3696
-0.3 315.0 2.4 0.504 0.2969
-0.3 345.0 1.42 0.3 0.1193
-0.1 15.0 2.25 0.524 0.4788
-0.1 45.0 2.27 0.49 0.1239
-0.1 75.0 4.51 0.883 0.4547
-0.1 105.0 3.93 0.685 0.2554
-0.1 135.0 3.03 0.597 0.4272
-0.1 165.0 2.17 2.38 1.0333
-0.1 225.0 2.08 0.426 0.3351
-0.1 255.0 2.7 0.506 0.2002
-0.1 285.0 2.96 0.629 0.1333
-0.1 315.0 1.23 0.296 0.2386
-0.1 345.0 1.82 0.368 0.1169
0.1 15.0 1.39 0.313 0.018
0.1 45.0 1.86 0.403 0.1028
0.1 75.0 3.0 0.571 0.5641
0.1 105.0 5.72 0.85 0.2992
0.1 135.0 3.63 0.784 0.2551
0.1 195.0 1.67 1.87 2.5101
0.1 225.0 2.18 0.447 0.755
0.1 255.0 3.6 0.591 0.1843
0.1 285.0 2.27 0.43 1.1709
0.1 315.0 2.72 0.553 0.1068
0.1 345.0 1.78 0.338 0.1633
0.3 15.0 1.4 0.286 0.1005
0.3 45.0 1.96 0.419 0.3216
0.3 75.0 2.9 0.591 0.105
0.3 105.0 4.39 0.752 0.238
0.3 135.0 4.27 1.17 0.6723
0.3 225.0 2.93 0.675 0.5281
0.3 255.0 3.03 0.529 0.1981
0.3 285.0 2.4 0.503 0.4989
0.3 315.0 1.44 0.289 0.7201
0.3 345.0 1.74 0.349 0.0622
0.5 15.0 1.56 0.297 0.1014
0.5 45.0 1.48 0.337 0.1966
0.5 75.0 2.32 0.521 0.1241
0.5 105.0 2.61 0.543 0.1117
0.5 135.0 3.7 1.21 0.3809
0.5 165.0 2.92 3.58 1.8237
0.5 225.0 3.46 1.06 0.36
0.5 255.0 2.26 0.492 0.0951
0.5 285.0 1.59 0.341 0.3641
0.5 315.0 2.23 0.495 0.2421
0.5 345.0 2.7 0.508 0.3173
0.7 15.0 1.54 0.364 0.1121
0.7 45.0 1.26 0.306 0.1923
0.7 75.0 0.97 0.282 0.2949
0.7 105.0 1.13 0.279 0.234
0.7 135.0 1.7 0.65 0.3539
0.7 165.0 4.35 6.16 2.1594
0.7 195.0 11.9 13.7 7.567
0.7 225.0 1.34 0.601 0.3049
0.7 255.0 1.73 0.44 0.2516
0.7 285.0 3.49 0.815 0.8645
0.7 315.0 0.788 0.236 0.0383
0.7 345.0 1.12 0.249 0.1272
0.9 15.0 0.686 0.236 0.515
0.9 45.0 0.866 0.309 0.278
0.9 75.0 1.06 0.364 0.2919
0.9 105.0 1.9 0.663 0.689
0.9 135.0 1.13 0.486 0.4467
0.9 225.0 0.409 0.308 0.1215
0.9 255.0 1.29 0.457 0.312
0.9 285.0 1.37 0.445 0.2482
0.9 315.0 1.2 0.433 0.2485
0.9 345.0 3.38 0.952 1.194