CLAS Physics Database

Measurement E39M167

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: 0.65 GeV2
W: 1.775 GeV
ε: 0.612945
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 16.167242 10.435596
-0.6 -112.5 6.72776 9.153833
-0.6 -67.5 26.775026 14.092023
-0.6 -22.5 11.119708 12.38579
-0.6 22.5 14.726403 17.419029
-0.6 67.5 23.189547 14.786631
-0.6 112.5 25.373814 10.13936
-0.6 157.5 22.973194 11.968302
-0.25 -157.5 30.795847 9.333414
-0.25 -112.5 59.90239 10.836287
-0.25 -67.5 43.605156 12.683154
-0.25 -22.5 33.167927 13.708655
-0.25 22.5 39.037231 15.230695
-0.25 67.5 50.960388 13.767734
-0.25 112.5 38.856903 10.162238
-0.25 157.5 30.685848 9.067757
0.05 -165.0 40.218491 10.005533
0.05 -135.0 33.60915 13.749458
0.05 -105.0 58.911938 11.794464
0.05 -75.0 56.62104 12.383058
0.05 -45.0 57.586578 23.858257
0.05 -15.0 39.793453 26.180536
0.05 15.0 46.600552 22.491789
0.05 45.0 39.744152 20.793125
0.05 75.0 48.549839 12.611396
0.05 105.0 56.196392 13.013328
0.05 135.0 56.939266 16.968609
0.05 165.0 42.625595 11.50104
0.35 -165.0 33.085648 10.593893
0.35 -135.0 43.911674 14.448283
0.35 -105.0 78.379478 14.606401
0.35 -75.0 54.447079 12.978371
0.35 -45.0 40.845531 20.251509
0.35 -15.0 0.0 0.0
0.35 15.0 0.0 0.0
0.35 45.0 58.014114 21.996962
0.35 75.0 74.425262 12.689529
0.35 105.0 68.324387 13.287193
0.35 135.0 52.082645 16.903582
0.35 165.0 30.613462 11.426444
0.65 -165.0 52.756641 11.501031
0.65 -135.0 50.801052 19.940248
0.65 -105.0 63.395824 22.232086
0.65 -75.0 54.530548 15.475398
0.65 -45.0 30.12179 20.461939
0.65 -15.0 0.0 0.0
0.65 15.0 0.0 0.0
0.65 45.0 61.045727 27.776985
0.65 75.0 54.35722 14.148717
0.65 105.0 73.25032 20.663
0.65 135.0 41.831631 17.349916
0.65 165.0 45.250397 11.846776
0.9 -165.0 42.518021 15.826577
0.9 -135.0 53.72118 18.696192
0.9 -105.0 41.522312 24.137047
0.9 -75.0 24.77549 33.069466
0.9 -45.0 19.062672 33.413773
0.9 -15.0 75.777512 37.93964
0.9 15.0 45.030262 34.207752
0.9 45.0 34.343452 22.69404
0.9 75.0 65.657799 31.484488
0.9 105.0 69.081383 28.871786
0.9 135.0 34.508186 16.759542
0.9 165.0 35.058167 16.566765