CLAS Physics Database

Measurement E39M179

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: 1.975 GeV
ε: 0.231093
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 13.250233 14.458894
-0.6 -112.5 15.115943 8.855781
-0.6 -67.5 26.657005 8.892614
-0.6 -22.5 9.113308 8.277509
-0.6 22.5 13.433017 8.861994
-0.6 67.5 21.178459 8.297522
-0.6 112.5 21.713137 7.872942
-0.6 157.5 19.712009 13.068752
-0.25 -157.5 36.47794 9.89714
-0.25 -112.5 31.214346 8.763496
-0.25 -67.5 32.675404 9.847339
-0.25 -22.5 12.970078 10.23961
-0.25 22.5 38.579021 11.909662
-0.25 67.5 38.012932 9.709033
-0.25 112.5 30.093288 8.999616
-0.25 157.5 33.730862 11.264486
0.05 -165.0 39.774555 12.879352
0.05 -135.0 55.952 13.403906
0.05 -105.0 56.238949 11.537953
0.05 -75.0 58.610691 13.550544
0.05 -45.0 57.916683 11.482901
0.05 -15.0 33.333805 18.038078
0.05 15.0 52.37537 17.837
0.05 45.0 48.365917 11.605911
0.05 75.0 49.691437 13.688332
0.05 105.0 52.570797 11.88675
0.05 135.0 60.853794 13.247508
0.05 165.0 48.310192 15.18484
0.35 -165.0 46.646278 12.06136
0.35 -135.0 62.153252 14.959888
0.35 -105.0 50.544296 12.620073
0.35 -75.0 53.989342 14.893055
0.35 -45.0 27.56576 15.321267
0.35 -15.0 12.283695 19.35137
0.35 15.0 32.289043 22.098406
0.35 45.0 46.234509 12.486424
0.35 75.0 43.311371 15.28661
0.35 105.0 32.719093 11.376592
0.35 135.0 34.846256 12.000552
0.35 165.0 41.383804 13.183944
0.65 -165.0 29.812836 13.982489
0.65 -135.0 51.657219 16.741886
0.65 -105.0 45.671356 15.248546
0.65 -75.0 25.547323 18.012753
0.65 -45.0 20.828152 23.488144
0.65 -15.0 0.0 0.0
0.65 15.0 0.0 0.0
0.65 45.0 29.527605 23.893816
0.65 75.0 32.676968 18.803291
0.65 105.0 36.308422 16.564548
0.65 135.0 56.977894 18.130575
0.65 165.0 46.201004 16.504881
0.9 -165.0 25.119743 20.759739
0.9 -135.0 27.55662 25.238941
0.9 -105.0 44.417423 21.202875
0.9 -75.0 41.246544 30.198292
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 46.928558 29.842916
0.9 105.0 39.207954 31.026834
0.9 135.0 20.496805 27.819532
0.9 165.0 47.027027 23.072899