CLAS Physics Database

Measurement E39M177

Experiment: E1-5st-Sigma0 (E93-030/E00-112)
Year: 1999

Measurement comment:

Differential cross sections for two different torus currents, 1500A and 2250A at 2.567GeV beam energy, were combined using error weighted average.

Experiment comment:

5 structure function group analysis results for the K+Σ0 channel.
Spokespersons: Mestayer, Hicks, Carman, Raue
Reaction: ep → K+ Σ0
Polarization: none
Quantity: dσ/dΩ
Q2: 1.0 GeV2
W: 1.875 GeV
ε: 0.365117
Publication:
D.S. Carman, B.A. Raue, and CLAS Collaboration Beam-Recoil Polarization Transfer in the Nucleon Resonance Region in the Exclusive ep -> e′K+Λ and ep -> e′K+Σ0 Reactions at CLAS // PRC 79, 065205 (2009)

Slice: cos(θ) =

Measurement data
cos(θ) φ dσ/dΩ, [nb/sr] uncertainty
-0.6 -157.5 58.487217 13.234058
-0.6 -112.5 38.004017 8.57164
-0.6 -67.5 29.735739 9.010029
-0.6 -22.5 20.747679 10.4839
-0.6 22.5 18.090567 10.877484
-0.6 67.5 34.396698 10.026249
-0.6 112.5 47.62162 9.306347
-0.6 157.5 49.85014 13.562426
-0.25 -157.5 44.953819 8.737908
-0.25 -112.5 64.958122 10.049711
-0.25 -67.5 80.285667 11.595044
-0.25 -22.5 56.386021 11.068547
-0.25 22.5 42.282425 12.741702
-0.25 67.5 62.756897 11.738805
-0.25 112.5 65.703491 9.771505
-0.25 157.5 56.649078 10.050375
0.05 -165.0 67.049995 12.603184
0.05 -135.0 85.527252 14.433754
0.05 -105.0 90.681671 13.201401
0.05 -75.0 95.483856 16.216293
0.05 -45.0 77.695847 15.421376
0.05 -15.0 62.127747 22.876389
0.05 15.0 75.877357 19.928602
0.05 45.0 95.747337 16.130424
0.05 75.0 85.091339 15.620914
0.05 105.0 79.863976 12.476422
0.05 135.0 86.041565 13.594274
0.05 165.0 55.372654 10.780008
0.35 -165.0 88.682785 13.02059
0.35 -135.0 68.610565 15.907846
0.35 -105.0 114.953773 15.564273
0.35 -75.0 77.989861 15.756487
0.35 -45.0 80.597549 18.633919
0.35 -15.0 44.667713 30.433786
0.35 15.0 74.189819 37.130554
0.35 45.0 47.216812 17.589252
0.35 75.0 102.960175 15.387821
0.35 105.0 81.672165 13.989144
0.35 135.0 71.347046 15.328021
0.35 165.0 74.298485 13.516452
0.65 -165.0 69.923027 13.353151
0.65 -135.0 67.697975 15.5055
0.65 -105.0 60.671078 14.963775
0.65 -75.0 80.338966 16.187981
0.65 -45.0 11.942913 31.659025
0.65 -15.0 0.0 0.0
0.65 15.0 0.0 0.0
0.65 45.0 32.529579 25.260038
0.65 75.0 91.173485 18.67531
0.65 105.0 57.429619 14.42397
0.65 135.0 45.799461 17.162596
0.65 165.0 66.26506 12.797147
0.9 -165.0 55.229424 16.416365
0.9 -135.0 34.882996 18.594143
0.9 -105.0 39.40612 29.933617
0.9 -75.0 9.216464 30.494724
0.9 -45.0 43.665066 41.480728
0.9 -15.0 0.0 0.0
0.9 15.0 0.0 0.0
0.9 45.0 36.547028 42.567204
0.9 75.0 26.617189 31.795696
0.9 105.0 54.595657 30.136126
0.9 135.0 9.166606 18.101906
0.9 165.0 42.594448 17.566561