CLAS Physics Database

Measurement E39M172

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: 2.05 GeV
ε: 0.279134
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 14.470448 6.211251
-0.6 -112.5 13.880817 4.172122
-0.6 -67.5 20.933323 3.417355
-0.6 -22.5 12.127727 4.162831
-0.6 22.5 2.914176 4.468429
-0.6 67.5 16.162794 3.789718
-0.6 112.5 10.732574 4.048077
-0.6 157.5 11.470448 6.497475
-0.25 -157.5 22.448481 5.520628
-0.25 -112.5 33.369656 4.036118
-0.25 -67.5 32.904224 4.56277
-0.25 -22.5 20.830153 5.148769
-0.25 22.5 30.112503 5.70488
-0.25 67.5 32.155048 4.011852
-0.25 112.5 31.812346 4.307629
-0.25 157.5 17.88788 5.371945
0.05 -165.0 45.617165 7.346694
0.05 -135.0 41.490147 7.033816
0.05 -105.0 55.747639 6.253654
0.05 -75.0 49.350723 7.950978
0.05 -45.0 51.297581 5.749055
0.05 -15.0 21.939526 8.287116
0.05 15.0 27.429272 8.792896
0.05 45.0 50.112274 5.94843
0.05 75.0 52.220135 7.200307
0.05 105.0 59.478958 6.411915
0.05 135.0 43.740948 6.763273
0.05 165.0 43.344376 7.131748
0.35 -165.0 53.455608 8.228821
0.35 -135.0 47.389946 8.306844
0.35 -105.0 43.965298 6.747661
0.35 -75.0 44.17503 7.636697
0.35 -45.0 51.180222 7.112118
0.35 -15.0 29.280651 11.114061
0.35 15.0 30.720932 13.118125
0.35 45.0 54.367569 7.054295
0.35 75.0 55.584274 8.502817
0.35 105.0 61.359177 6.947393
0.35 135.0 56.015823 8.357281
0.35 165.0 46.562447 8.287244
0.65 -165.0 68.542145 10.074763
0.65 -135.0 48.721668 11.337444
0.65 -105.0 63.810741 8.956167
0.65 -75.0 39.120132 10.597743
0.65 -45.0 38.163628 12.04068
0.65 -15.0 53.832981 29.341684
0.65 15.0 39.543549 21.419306
0.65 45.0 29.601065 13.065692
0.65 75.0 46.161716 10.12575
0.65 105.0 57.686649 8.343433
0.65 135.0 55.483204 11.311713
0.65 165.0 62.670803 10.56235
0.9 -165.0 49.192577 14.712851
0.9 -135.0 52.166748 21.099743
0.9 -105.0 65.120399 19.574903
0.9 -75.0 43.480713 23.728992
0.9 -45.0 0.0 0.0
0.9 -15.0 0.0 0.0
0.9 15.0 0.0 0.0
0.9 45.0 0.0 0.0
0.9 75.0 48.248524 18.536734
0.9 105.0 56.587639 22.41205
0.9 135.0 45.121716 20.456175
0.9 165.0 40.162724 15.291125