CLAS Physics Database

Measurement E39M169

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: 0.65 GeV2
W: 1.875 GeV
ε: 0.509953
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 30.172739 14.141252
-0.6 -112.5 48.012066 9.522234
-0.6 -67.5 53.699329 11.993271
-0.6 -22.5 29.066889 12.977005
-0.6 22.5 29.024475 12.884426
-0.6 67.5 55.092735 11.989125
-0.6 112.5 41.751797 8.888312
-0.6 157.5 19.89992 14.016898
-0.25 -157.5 62.276932 9.906822
-0.25 -112.5 105.32843 11.020103
-0.25 -67.5 124.227898 13.563927
-0.25 -22.5 64.462906 12.687871
-0.25 22.5 80.122986 13.630083
-0.25 67.5 110.87999 12.730542
-0.25 112.5 114.652985 11.179668
-0.25 157.5 77.111961 10.105334
0.05 -165.0 67.833565 12.026725
0.05 -135.0 109.025291 16.162907
0.05 -105.0 131.956329 13.415199
0.05 -75.0 140.295715 18.29697
0.05 -45.0 117.296249 16.162363
0.05 -15.0 55.391899 18.151316
0.05 15.0 89.708145 18.67947
0.05 45.0 111.208939 14.452963
0.05 75.0 135.583908 17.597021
0.05 105.0 148.800522 13.514089
0.05 135.0 139.191803 18.318054
0.05 165.0 91.025002 13.148687
0.35 -165.0 93.462677 13.681699
0.35 -135.0 149.977692 18.795681
0.35 -105.0 130.822784 15.02645
0.35 -75.0 132.324478 17.058342
0.35 -45.0 94.401047 19.09967
0.35 -15.0 119.592979 26.889103
0.35 15.0 81.986275 26.105717
0.35 45.0 115.413872 19.909674
0.35 75.0 120.334984 17.754225
0.35 105.0 157.671387 15.666045
0.35 135.0 109.228233 18.950647
0.35 165.0 108.826408 13.336823
0.65 -165.0 85.578491 12.852027
0.65 -135.0 93.144714 18.167238
0.65 -105.0 114.759109 17.976379
0.65 -75.0 106.412636 15.245759
0.65 -45.0 49.617744 29.338032
0.65 -15.0 0.0 0.0
0.65 15.0 0.0 0.0
0.65 45.0 72.362328 25.930616
0.65 75.0 109.176277 14.992905
0.65 105.0 139.677231 16.931581
0.65 135.0 90.299484 19.381599
0.65 165.0 76.665413 13.417102
0.9 -165.0 79.162773 17.858976
0.9 -135.0 53.854076 20.246155
0.9 -105.0 57.037502 30.443636
0.9 -75.0 52.670898 29.724333
0.9 -45.0 46.341087 47.159737
0.9 -15.0 139.194016 83.38324
0.9 15.0 61.083622 40.167419
0.9 45.0 48.389008 44.463959
0.9 75.0 80.491768 28.491617
0.9 105.0 56.90258 31.196898
0.9 135.0 64.565323 22.377331
0.9 165.0 59.765976 16.009884