CLAS Physics Database

Measurement E39M217

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: 2.05 GeV
ε: 0.335912
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 9.710465 12.138089
-0.6 -67.5 5.180263 5.130659
-0.6 -22.5 6.677564 3.732882
-0.6 22.5 2.676338 2.365573
-0.6 67.5 6.750525 4.693825
-0.6 112.5 19.498266 17.234215
-0.6 157.5 0.0 0.0
-0.25 -157.5 49.150105 35.471085
-0.25 -112.5 5.695344 6.426696
-0.25 -67.5 2.659166 8.336336
-0.25 -22.5 0.0 0.0
-0.25 22.5 4.548774 5.255176
-0.25 67.5 1.847527 7.175206
-0.25 112.5 10.720438 5.053857
-0.25 157.5 32.710129 28.911972
0.05 -157.5 4.947825 6.896613
0.05 -112.5 10.533237 7.191289
0.05 -67.5 9.364098 7.763714
0.05 -22.5 6.408055 6.743269
0.05 22.5 7.865433 4.396924
0.05 67.5 4.741251 7.242398
0.05 112.5 16.830219 6.543028
0.05 157.5 12.490382 8.233746
0.35 -165.0 7.152657 12.454957
0.35 -135.0 11.826529 10.884542
0.35 -105.0 11.779698 11.440761
0.35 -75.0 19.291342 7.442987
0.35 -45.0 0.0 0.0
0.35 -15.0 21.237461 26.546848
0.35 15.0 21.319633 26.649565
0.35 45.0 18.933632 11.779179
0.35 75.0 0.0 0.0
0.35 105.0 9.121561 11.467797
0.35 135.0 17.282757 12.016536
0.35 165.0 13.561792 10.733661
0.65 -165.0 10.43054 10.813203
0.65 -135.0 16.191153 16.866978
0.65 -105.0 16.372602 15.433784
0.65 -75.0 9.906578 13.246737
0.65 -45.0 0.0 0.0
0.65 -15.0 0.0 0.0
0.65 15.0 0.0 0.0
0.65 45.0 2.202792 21.662184
0.65 75.0 1.05663 15.911871
0.65 105.0 6.218739 14.016139
0.65 135.0 8.231988 11.209201
0.65 165.0 13.241231 11.523729
0.9 -165.0 3.617123 21.608061
0.9 -135.0 39.989857 21.994648
0.9 -105.0 9.969273 30.08556
0.9 -75.0 7.347849 25.666195
0.9 -45.0 0.0 0.0
0.9 -15.0 25.697226 32.121693
0.9 15.0 51.436115 45.463982
0.9 45.0 84.241714 47.093513
0.9 75.0 71.835838 34.654861
0.9 105.0 43.398926 19.862385
0.9 135.0 1.017792 27.156328
0.9 165.0 35.715149 18.066004