CLAS Physics Database

Measurement E39M215

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: 2.55 GeV2
W: 1.85 GeV
ε: 0.492351
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 9.421387 11.776739
-0.6 -112.5 2.534141 6.126228
-0.6 -67.5 13.787767 6.517179
-0.6 -22.5 9.834869 7.097717
-0.6 22.5 16.387173 9.160734
-0.6 67.5 11.335594 7.509867
-0.6 112.5 12.23645 6.571117
-0.6 157.5 0.0 0.0
-0.25 -157.5 4.303176 15.845901
-0.25 -112.5 22.606997 8.102198
-0.25 -67.5 13.205979 8.973109
-0.25 -22.5 17.039789 12.297428
-0.25 22.5 11.376869 10.055838
-0.25 67.5 25.139551 8.250509
-0.25 112.5 10.796155 6.779124
-0.25 157.5 14.826678 12.973937
0.05 -157.5 0.0 0.0
0.05 -112.5 9.278184 9.528544
0.05 -67.5 18.78278 8.512626
0.05 -22.5 41.192593 32.742996
0.05 22.5 7.146141 8.93268
0.05 67.5 28.859024 9.634389
0.05 112.5 22.040171 9.425291
0.05 157.5 14.368768 7.006148
0.35 -165.0 6.293989 9.765141
0.35 -135.0 11.710435 10.958771
0.35 -105.0 9.227451 15.665372
0.35 -75.0 13.447633 8.847366
0.35 -45.0 13.204025 11.407716
0.35 -15.0 0.0 0.0
0.35 15.0 0.0 0.0
0.35 45.0 11.229002 13.959907
0.35 75.0 38.23074 12.471374
0.35 105.0 26.99752 15.551113
0.35 135.0 23.517927 12.186022
0.35 165.0 5.324611 9.703497
0.65 -165.0 11.567531 12.815242
0.65 -135.0 9.631694 14.505158
0.65 -105.0 8.089328 15.257724
0.65 -75.0 14.144295 17.368568
0.65 -45.0 26.330841 14.719402
0.65 -15.0 0.0 0.0
0.65 15.0 18.716831 23.396046
0.65 45.0 18.482162 24.358927
0.65 75.0 3.3782 18.223087
0.65 105.0 5.860431 14.693166
0.65 135.0 10.947069 16.880445
0.65 165.0 12.506544 12.760494
0.9 -165.0 23.475317 12.914973
0.9 -135.0 10.09739 17.556683
0.9 -105.0 11.282653 21.125525
0.9 -75.0 19.709442 26.308115
0.9 -45.0 0.0 0.0
0.9 -15.0 0.0 0.0
0.9 15.0 8.708447 25.19034
0.9 45.0 3.595168 19.567474
0.9 75.0 12.607067 20.418739
0.9 105.0 0.0 0.0
0.9 135.0 4.439287 14.621346
0.9 165.0 1.171667 15.911885