CLAS Physics Database

Measurement E39M178

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: 1.925 GeV
ε: 0.300386
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 12.790124 20.101336
-0.6 -112.5 50.090725 11.428297
-0.6 -67.5 18.411953 8.85953
-0.6 -22.5 28.492361 10.908092
-0.6 22.5 31.44763 11.438439
-0.6 67.5 29.456947 10.756086
-0.6 112.5 33.360798 10.638688
-0.6 157.5 20.446671 17.555298
-0.25 -157.5 54.329483 10.672484
-0.25 -112.5 48.406116 10.239038
-0.25 -67.5 57.40683 10.838803
-0.25 -22.5 46.307148 12.267776
-0.25 22.5 64.328491 13.708743
-0.25 67.5 54.060665 11.207759
-0.25 112.5 70.081047 10.300703
-0.25 157.5 51.930389 10.187048
0.05 -165.0 49.511494 12.088931
0.05 -135.0 52.415344 12.732131
0.05 -105.0 90.889046 13.713434
0.05 -75.0 71.982956 14.557132
0.05 -45.0 70.482666 12.963627
0.05 -15.0 65.217186 19.978109
0.05 15.0 33.498047 20.84026
0.05 45.0 92.341393 14.220552
0.05 75.0 85.890816 16.314999
0.05 105.0 76.01091 12.829861
0.05 135.0 74.519974 13.799962
0.05 165.0 73.333282 13.527882
0.35 -165.0 47.239975 11.874319
0.35 -135.0 71.537483 15.659816
0.35 -105.0 77.320908 13.7233
0.35 -75.0 66.480797 14.860659
0.35 -45.0 57.229271 16.470524
0.35 -15.0 48.53056 23.326931
0.35 15.0 51.84013 23.146564
0.35 45.0 48.502037 18.436758
0.35 75.0 63.462372 16.294531
0.35 105.0 68.259636 13.650636
0.35 135.0 78.432838 14.972699
0.35 165.0 58.897686 14.276615
0.65 -165.0 60.295242 14.017178
0.65 -135.0 60.025188 17.463652
0.65 -105.0 54.941341 14.627079
0.65 -75.0 61.436096 14.558293
0.65 -45.0 30.371424 20.969757
0.65 -15.0 0.0 0.0
0.65 15.0 0.0 0.0
0.65 45.0 62.486946 25.151926
0.65 75.0 42.49321 14.351221
0.65 105.0 41.568909 14.758291
0.65 135.0 43.255024 15.066004
0.65 165.0 53.679333 13.459573
0.9 -165.0 26.193405 18.068039
0.9 -135.0 42.847527 23.731653
0.9 -105.0 52.676857 32.034222
0.9 -75.0 44.919876 26.12999
0.9 -45.0 81.96315 52.462364
0.9 -15.0 0.0 0.0
0.9 15.0 0.0 0.0
0.9 45.0 60.756763 44.993069
0.9 75.0 34.005817 35.239143
0.9 105.0 42.397312 23.787926
0.9 135.0 16.511356 21.34613
0.9 165.0 46.870277 19.026438