CLAS Physics Database

Measurement E39M174

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: 1.725 GeV
ε: 0.530889
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 14.410763 6.022618
-0.6 -112.5 10.35487 7.623363
-0.6 -67.5 6.45169 4.507581
-0.6 -22.5 19.235193 18.25174
-0.6 22.5 0.0 0.0
-0.6 67.5 2.569542 9.164886
-0.6 112.5 9.513188 6.156969
-0.6 157.5 7.521936 5.159703
-0.25 -157.5 13.125991 6.058619
-0.25 -112.5 13.940419 7.641271
-0.25 -67.5 12.800631 8.929781
-0.25 -22.5 0.0 0.0
-0.25 22.5 0.0 0.0
-0.25 67.5 12.895511 9.955114
-0.25 112.5 12.726058 9.426806
-0.25 157.5 9.331917 5.61691
0.05 -165.0 14.677172 6.688155
0.05 -135.0 13.66366 6.201522
0.05 -105.0 19.406898 8.356694
0.05 -75.0 6.569223 9.864499
0.05 -45.0 26.923595 12.549237
0.05 -15.0 0.0 0.0
0.05 15.0 0.0 0.0
0.05 45.0 14.802605 10.47087
0.05 75.0 23.740566 11.451959
0.05 105.0 22.387438 11.313715
0.05 135.0 13.504955 7.551162
0.05 165.0 12.98945 6.578727
0.35 -165.0 15.312852 7.040648
0.35 -135.0 23.813396 9.717326
0.35 -105.0 23.897116 12.261458
0.35 -75.0 33.989281 14.687656
0.35 -45.0 27.169851 15.211468
0.35 -15.0 0.0 0.0
0.35 15.0 0.0 0.0
0.35 45.0 12.655439 22.543272
0.35 75.0 4.898299 12.4196
0.35 105.0 7.387925 10.394931
0.35 135.0 15.226995 10.908822
0.35 165.0 23.746763 7.274256
0.65 -165.0 8.133918 5.583676
0.65 -135.0 17.614649 9.963732
0.65 -105.0 11.528053 13.520514
0.65 -75.0 10.111541 16.233326
0.65 -45.0 21.388681 17.19779
0.65 -15.0 0.0 0.0
0.65 15.0 51.325226 32.279427
0.65 45.0 18.766497 12.068815
0.65 75.0 18.89814 12.895351
0.65 105.0 10.610476 7.218956
0.65 135.0 23.789637 10.300974
0.65 165.0 10.456353 7.013685
0.9 -165.0 6.400096 14.022559
0.9 -135.0 11.187016 13.919545
0.9 -105.0 9.186444 17.336725
0.9 -75.0 31.366949 18.556898
0.9 -45.0 4.606287 19.349453
0.9 -15.0 6.942457 23.922197
0.9 15.0 17.878885 25.212418
0.9 45.0 0.000502 21.643803
0.9 75.0 21.717911 15.131913
0.9 105.0 14.221388 16.294462
0.9 135.0 12.746546 11.26758
0.9 165.0 22.323673 13.313057