CLAS Physics Database

Measurement E9M29

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: 0.35 — 0.45 GeV2
W: 1.66 GeV
ε: 0.395
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 1.35 0.459 0.3353
-0.9 45.0 1.17 0.445 0.1895
-0.9 75.0 0.77 0.39 0.6063
-0.9 105.0 0.509 0.376 0.3712
-0.9 135.0 8.8 10.8 6.7914
-0.9 225.0 4.62 4.63 1.8009
-0.9 255.0 3.97 2.68 1.4237
-0.9 285.0 0.995 0.764 0.551
-0.9 315.0 0.626 0.275 0.0809
-0.9 345.0 2.0 0.538 0.4602
-0.7 15.0 1.3 0.333 0.301
-0.7 45.0 1.92 0.654 0.3554
-0.7 75.0 2.12 0.669 0.2077
-0.7 105.0 0.878 0.338 0.0711
-0.7 135.0 1.95 1.54 1.2185
-0.7 225.0 1.06 1.13 0.787
-0.7 255.0 0.72 0.287 0.1537
-0.7 285.0 1.41 0.476 0.2502
-0.7 315.0 1.21 0.473 0.2348
-0.7 345.0 1.58 0.404 0.1417
-0.5 15.0 1.41 0.39 0.2823
-0.5 45.0 0.84 0.403 0.1225
-0.5 75.0 0.988 0.273 0.9305
-0.5 105.0 0.579 0.236 0.155
-0.5 135.0 2.01 0.82 0.4133
-0.5 195.0 21.6 25.0 11.4576
-0.5 225.0 1.92 0.925 0.6528
-0.5 255.0 0.901 0.345 0.1675
-0.5 285.0 0.692 0.265 0.1168
-0.5 315.0 0.805 0.329 0.1155
-0.5 345.0 1.53 0.414 0.3128
-0.3 15.0 1.4 0.379 0.2077
-0.3 45.0 1.24 0.346 0.3662
-0.3 75.0 0.783 0.257 0.0911
-0.3 105.0 2.37 0.663 0.3439
-0.3 135.0 1.66 0.628 0.3578
-0.3 165.0 1.71 0.845 0.4804
-0.3 195.0 3.49 1.87 1.1269
-0.3 225.0 1.13 0.341 0.1302
-0.3 255.0 1.52 0.539 0.2561
-0.3 285.0 0.964 0.311 0.1522
-0.3 315.0 0.959 0.369 0.0664
-0.3 345.0 1.54 0.372 0.1667
-0.1 15.0 1.21 0.541 0.2198
-0.1 45.0 1.58 0.562 0.3054
-0.1 75.0 1.15 0.292 0.1735
-0.1 105.0 1.88 0.609 0.1346
-0.1 135.0 2.58 0.63 0.3679
-0.1 165.0 1.27 0.585 0.312
-0.1 195.0 2.96 1.1 0.5796
-0.1 225.0 1.04 0.297 0.4615
-0.1 255.0 1.15 0.504 0.2362
-0.1 285.0 1.35 0.351 0.1128
-0.1 315.0 0.726 0.291 0.0761
-0.1 345.0 0.454 0.276 0.1026
0.1 15.0 0.857 0.541 0.1767
0.1 45.0 1.23 0.435 0.1042
0.1 75.0 1.29 0.321 0.1873
0.1 105.0 2.54 0.697 0.6996
0.1 135.0 2.84 0.711 0.6624
0.1 165.0 1.27 0.532 0.2214
0.1 195.0 2.33 0.77 0.4784
0.1 225.0 2.14 0.484 0.141
0.1 255.0 1.9 0.494 0.2624
0.1 285.0 1.7 0.361 0.3326
0.1 315.0 0.898 0.308 0.4125
0.1 345.0 1.71 0.953 0.3436
0.3 15.0 1.38 0.705 0.2006
0.3 45.0 1.6 0.551 0.2697
0.3 75.0 1.08 0.258 0.0563
0.3 105.0 1.71 0.565 0.0802
0.3 135.0 1.61 0.361 0.547
0.3 165.0 1.39 0.593 0.2753
0.3 195.0 1.59 0.477 0.1275
0.3 225.0 2.48 0.526 0.2711
0.3 255.0 2.68 0.669 0.1684
0.3 285.0 1.49 0.35 0.1046
0.3 315.0 1.37 0.526 0.2065
0.3 345.0 1.01 0.637 0.2326
0.5 15.0 1.42 0.667 1.0517
0.5 45.0 2.07 0.627 0.1363
0.5 75.0 1.84 0.407 0.1878
0.5 105.0 1.41 0.422 0.105
0.5 135.0 1.7 0.422 0.1544
0.5 165.0 1.39 0.516 0.1153
0.5 195.0 1.45 0.452 0.198
0.5 225.0 2.22 0.535 0.235
0.5 255.0 1.5 0.433 0.2236
0.5 285.0 1.67 0.36 0.0859
0.5 315.0 0.982 0.428 0.2191
0.5 345.0 1.02 0.497 0.3286
0.7 15.0 5.86 2.29 1.6875
0.7 45.0 1.5 0.475 0.1408
0.7 75.0 2.52 0.473 0.2839
0.7 105.0 2.45 0.612 0.4405
0.7 135.0 1.61 0.381 0.2037
0.7 165.0 1.5 0.465 0.3195
0.7 195.0 0.745 0.267 0.3409
0.7 225.0 1.55 0.379 0.2267
0.7 255.0 1.64 0.442 0.3637
0.7 285.0 3.38 0.608 0.4154
0.7 315.0 0.959 0.323 0.0547
0.7 345.0 8.68 3.21 2.0267
0.9 15.0 3.55 1.02 1.4213
0.9 45.0 2.93 0.844 0.465
0.9 75.0 3.03 0.543 0.5915
0.9 105.0 2.45 0.68 0.6074
0.9 135.0 2.84 0.708 0.4828
0.9 165.0 0.755 0.327 0.244
0.9 195.0 1.75 0.696 0.294
0.9 225.0 0.865 0.293 0.4145
0.9 255.0 1.57 0.464 0.3298
0.9 285.0 2.57 0.513 0.8893
0.9 315.0 0.688 0.324 0.1838
0.9 345.0 3.0 0.907 1.035