CLAS Physics Database

Measurement E39M200

Experiment: E1-5st-Sigma0 (E93-030/E00-112)
Year: 1999

Measurement comment:

Differential cross section were extracted by combining yields of the data pertaining to two different beam energies, 4.056 and 4.247 GeV.

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: 1.55 GeV2
W: 1.95 GeV
ε: 0.638964
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 0.0 0.0
-0.6 -112.5 29.279379 6.954552
-0.6 -67.5 24.357946 7.115036
-0.6 -22.5 15.821803 6.958304
-0.6 22.5 15.470492 6.733955
-0.6 67.5 20.64617 7.682902
-0.6 112.5 15.819536 7.263063
-0.6 157.5 0.0 0.0
-0.25 -157.5 17.674986 8.495669
-0.25 -112.5 32.887455 6.988932
-0.25 -67.5 30.292208 9.393832
-0.25 -22.5 24.446136 8.15761
-0.25 22.5 28.792332 7.457418
-0.25 67.5 34.291199 8.005929
-0.25 112.5 24.117235 6.223198
-0.25 157.5 33.467064 9.623473
0.05 -157.5 26.508612 7.167817
0.05 -112.5 50.654392 8.13742
0.05 -67.5 48.911591 9.500984
0.05 -22.5 25.169807 12.79634
0.05 22.5 29.146006 13.004665
0.05 67.5 51.627457 10.185699
0.05 112.5 39.508327 8.121366
0.05 157.5 22.158859 7.120088
0.35 -165.0 28.214357 10.952103
0.35 -135.0 31.936529 12.914466
0.35 -105.0 45.70145 12.638156
0.35 -75.0 34.559746 10.509234
0.35 -45.0 21.26012 14.219915
0.35 -15.0 0.0 0.0
0.35 15.0 0.0 0.0
0.35 45.0 18.35606 15.962531
0.35 75.0 38.528439 9.011249
0.35 105.0 33.776779 12.185465
0.35 135.0 38.385136 13.169953
0.35 165.0 46.360527 10.667222
0.65 -165.0 28.367144 11.712513
0.65 -135.0 30.276663 14.048681
0.65 -105.0 13.027476 17.968346
0.65 -75.0 21.049879 14.188098
0.65 -45.0 4.681873 14.344876
0.65 -15.0 0.0 0.0
0.65 15.0 0.0 0.0
0.65 45.0 7.928539 14.168733
0.65 75.0 8.167901 13.117799
0.65 105.0 24.247137 16.84915
0.65 135.0 43.780331 14.805567
0.65 165.0 43.423515 10.964352
0.9 -165.0 19.553165 14.32077
0.9 -135.0 0.0 0.0
0.9 -105.0 24.526064 22.67547
0.9 -75.0 43.525402 30.425058
0.9 -45.0 22.461197 38.074417
0.9 -15.0 30.996548 25.184238
0.9 15.0 16.492674 20.736019
0.9 45.0 4.779638 39.151276
0.9 75.0 0.0 0.0
0.9 105.0 14.138886 21.442577
0.9 135.0 34.94252 15.902139
0.9 165.0 15.31363 15.770209