CLAS Physics Database

Measurement E9M268

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: 1.0 — 1.3 GeV2
W: 1.38 GeV
ε: 0.696
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 0.182 0.0701 0.0712
-0.9 45.0 0.272 0.111 0.0578
-0.9 75.0 0.499 0.191 0.0561
-0.9 105.0 1.03 0.435 0.3114
-0.9 135.0 0.279 0.112 0.1105
-0.9 165.0 0.555 0.184 0.1934
-0.9 195.0 1.04 0.363 0.2445
-0.9 225.0 0.238 0.0951 0.127
-0.9 255.0 0.327 0.143 0.048
-0.9 285.0 0.898 0.283 0.1623
-0.9 315.0 0.741 0.253 0.389
-0.9 345.0 0.352 0.129 0.0431
-0.7 15.0 0.643 0.189 0.0447
-0.7 45.0 0.655 0.178 0.0916
-0.7 75.0 0.735 0.249 0.128
-0.7 105.0 0.728 0.247 0.2563
-0.7 135.0 0.957 0.347 0.1426
-0.7 165.0 0.5 0.164 0.1271
-0.7 195.0 1.01 0.286 0.2361
-0.7 225.0 0.895 0.314 0.3273
-0.7 255.0 1.37 0.41 0.1307
-0.7 285.0 1.02 0.265 0.0977
-0.7 315.0 1.2 0.3 0.1218
-0.7 345.0 0.448 0.113 0.0979
-0.5 15.0 1.48 0.341 0.3408
-0.5 45.0 0.829 0.209 0.0397
-0.5 75.0 2.76 0.734 0.5103
-0.5 105.0 1.01 0.327 0.1814
-0.5 135.0 2.04 0.665 0.7442
-0.5 165.0 1.35 0.39 0.1759
-0.5 195.0 1.65 0.525 0.3362
-0.5 225.0 2.49 0.956 0.7057
-0.5 255.0 1.13 0.342 0.3244
-0.5 285.0 1.58 0.411 0.2136
-0.5 315.0 1.08 0.241 0.2642
-0.5 345.0 0.745 0.188 0.0506
-0.3 15.0 1.04 0.243 0.0715
-0.3 45.0 2.14 0.452 0.2314
-0.3 75.0 2.01 0.562 0.4488
-0.3 105.0 1.78 0.472 0.7692
-0.3 135.0 2.7 1.16 0.8288
-0.3 165.0 1.28 0.57 0.4738
-0.3 195.0 1.11 0.384 0.3944
-0.3 225.0 1.93 0.867 0.4526
-0.3 255.0 1.45 0.381 0.6624
-0.3 285.0 2.67 0.612 0.5805
-0.3 315.0 1.69 0.359 0.1611
-0.3 345.0 1.68 0.326 0.142
-0.1 15.0 0.852 0.183 0.0722
-0.1 45.0 1.08 0.274 0.0806
-0.1 75.0 2.61 0.629 0.511
-0.1 105.0 3.49 0.965 0.7083
-0.1 135.0 2.8 0.806 0.3878
-0.1 165.0 1.3 0.455 0.5498
-0.1 195.0 0.6 0.331 0.2177
-0.1 225.0 0.587 0.313 0.0873
-0.1 255.0 2.42 0.588 0.2703
-0.1 285.0 1.98 0.487 0.1283
-0.1 315.0 1.24 0.27 0.1188
-0.1 345.0 1.77 0.369 0.2352
0.1 15.0 1.96 0.369 0.4135
0.1 45.0 0.998 0.251 0.0244
0.1 75.0 2.91 0.622 0.4815
0.1 105.0 2.63 0.608 0.3601
0.1 135.0 3.09 1.05 0.8297
0.1 165.0 0.386 0.243 0.1821
0.1 195.0 2.56 1.97 1.372
0.1 225.0 3.45 0.99 0.6681
0.1 255.0 3.16 0.77 0.407
0.1 285.0 2.24 0.502 0.075
0.1 315.0 0.931 0.199 0.4
0.1 345.0 1.42 0.282 0.1263
0.3 15.0 0.706 0.165 0.009
0.3 45.0 1.24 0.296 0.0442
0.3 75.0 2.11 0.473 0.1956
0.3 105.0 3.07 0.686 0.5747
0.3 135.0 0.872 0.3 0.1804
0.3 165.0 1.24 1.05 0.2407
0.3 195.0 5.35 4.66 2.3814
0.3 225.0 1.8 0.565 0.3495
0.3 255.0 2.11 0.508 0.3068
0.3 285.0 1.74 0.503 0.219
0.3 315.0 1.21 0.266 0.306
0.3 345.0 0.953 0.195 0.0608
0.5 15.0 0.647 0.155 0.07
0.5 45.0 0.548 0.152 0.0681
0.5 75.0 1.32 0.378 0.1198
0.5 105.0 0.909 0.253 0.3233
0.5 135.0 1.68 0.552 0.4715
0.5 195.0 1.03 1.27 2.5424
0.5 225.0 0.97 0.258 0.2632
0.5 255.0 1.46 0.404 0.1324
0.5 285.0 1.6 0.388 0.131
0.5 315.0 0.849 0.233 0.0928
0.5 345.0 0.869 0.184 0.0575
0.7 15.0 0.709 0.195 0.0043
0.7 45.0 0.738 0.201 0.3035
0.7 75.0 1.43 0.494 0.1858
0.7 105.0 0.734 0.229 0.3413
0.7 135.0 1.49 0.618 0.9109
0.7 165.0 1.61 1.09 0.3338
0.7 195.0 1.97 1.15 0.7302
0.7 225.0 1.7 0.641 0.3116
0.7 255.0 1.64 0.552 0.2453
0.7 285.0 1.57 0.509 0.1895
0.7 315.0 1.23 0.342 0.2486
0.7 345.0 0.961 0.276 0.1778
0.9 15.0 0.627 0.217 0.1057
0.9 45.0 0.364 0.161 0.0451
0.9 75.0 2.08 1.03 0.8966
0.9 105.0 0.542 0.254 0.3303
0.9 135.0 3.16 1.69 1.5014
0.9 165.0 1.67 1.03 0.4513
0.9 195.0 1.41 0.739 0.9186
0.9 225.0 0.565 0.415 0.2104
0.9 255.0 0.628 0.325 0.1458
0.9 285.0 1.1 0.506 0.3293
0.9 315.0 0.765 0.334 0.2258
0.9 345.0 0.572 0.197 0.2044