CLAS Physics Database

Measurement E39M186

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: 1.75 GeV
ε: 0.506208
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 12.174913 5.394873
-0.6 -112.5 15.889301 5.284284
-0.6 -67.5 8.357151 7.436906
-0.6 -22.5 16.555 11.501096
-0.6 22.5 6.885099 12.038506
-0.6 67.5 9.539171 7.908963
-0.6 112.5 6.335303 6.057328
-0.6 157.5 12.623096 5.340661
-0.25 -157.5 20.261858 4.699955
-0.25 -112.5 24.921646 5.915699
-0.25 -67.5 21.321407 6.629103
-0.25 -22.5 17.818697 8.593302
-0.25 22.5 23.244417 12.632703
-0.25 67.5 23.679976 7.581768
-0.25 112.5 19.291151 5.957326
-0.25 157.5 19.453659 4.557271
0.05 -165.0 14.656794 5.250943
0.05 -135.0 20.971897 7.239462
0.05 -105.0 24.302908 6.772134
0.05 -75.0 27.10261 7.714742
0.05 -45.0 28.418964 12.775002
0.05 -15.0 0.0 0.0
0.05 15.0 0.0 0.0
0.05 45.0 15.614745 13.396431
0.05 75.0 36.821342 7.989655
0.05 105.0 21.8559 7.189884
0.05 135.0 21.406179 7.125974
0.05 165.0 20.462578 5.784142
0.35 -165.0 24.570097 6.068416
0.35 -135.0 29.716099 7.646162
0.35 -105.0 37.017208 9.188955
0.35 -75.0 33.169441 8.484715
0.35 -45.0 20.103987 13.766538
0.35 -15.0 0.0 0.0
0.35 15.0 0.0 0.0
0.35 45.0 29.62612 15.437152
0.35 75.0 25.681372 8.156397
0.35 105.0 23.844337 8.646608
0.35 135.0 25.219114 8.167413
0.35 165.0 29.310246 5.832563
0.65 -165.0 24.450872 6.264559
0.65 -135.0 29.044676 9.009852
0.65 -105.0 26.728607 9.7415
0.65 -75.0 27.139442 11.104911
0.65 -45.0 18.492992 16.270485
0.65 -15.0 0.0 0.0
0.65 15.0 84.116631 44.450062
0.65 45.0 9.172463 18.458059
0.65 75.0 19.388678 10.54165
0.65 105.0 12.421401 9.80027
0.65 135.0 35.698257 9.16876
0.65 165.0 21.074179 6.178047
0.9 -165.0 23.073978 9.63371
0.9 -135.0 14.049021 10.611382
0.9 -105.0 13.006156 13.326759
0.9 -75.0 30.256744 13.40806
0.9 -45.0 3.169624 17.908125
0.9 -15.0 0.000388 34.817692
0.9 15.0 0.000362 33.242836
0.9 45.0 11.085325 19.21376
0.9 75.0 13.26072 14.506543
0.9 105.0 18.231319 12.425878
0.9 135.0 16.169621 9.271634
0.9 165.0 22.961575 8.789471