CLAS Physics Database

Measurement E38M200

Experiment: E1-5st-Lambda (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+Λ channel.
Spokespersons: Mestayer, Hicks, Carman, Raue
Reaction: ep → K+ Λ
Polarization: none
Quantity: dσ/dΩ
Q2: 0.65 GeV2
W: 1.975 GeV
ε: 0.385917
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 45.482307 8.811469
-0.6 -112.5 25.590258 5.920076
-0.6 -67.5 32.372997 5.877701
-0.6 -22.5 38.749557 6.915326
-0.6 22.5 27.866983 6.181773
-0.6 67.5 41.069973 6.655767
-0.6 112.5 31.938051 6.584449
-0.6 157.5 31.163801 7.243541
-0.25 -157.5 40.170856 6.340692
-0.25 -112.5 35.394554 5.503731
-0.25 -67.5 33.483421 5.466211
-0.25 -22.5 24.385128 6.218833
-0.25 22.5 27.441225 6.375268
-0.25 67.5 24.942026 5.150927
-0.25 112.5 38.218689 5.764649
-0.25 157.5 42.560448 7.349758
0.05 -165.0 63.262623 10.829409
0.05 -135.0 70.315979 10.18389
0.05 -105.0 66.328415 7.847747
0.05 -75.0 62.179432 9.571782
0.05 -45.0 60.298679 7.556778
0.05 -15.0 31.18079 10.109818
0.05 15.0 34.170296 11.744332
0.05 45.0 45.83596 7.151251
0.05 75.0 61.95956 9.723919
0.05 105.0 60.344875 7.882871
0.05 135.0 77.235374 10.304003
0.05 165.0 58.711037 10.150887
0.35 -165.0 91.782959 11.907549
0.35 -135.0 87.722862 12.549288
0.35 -105.0 101.710167 10.470509
0.35 -75.0 94.040321 13.283272
0.35 -45.0 70.316788 10.052901
0.35 -15.0 47.774742 19.011553
0.35 15.0 48.004379 16.760132
0.35 45.0 84.607925 10.355454
0.35 75.0 88.792686 12.688022
0.35 105.0 109.348465 9.935604
0.35 135.0 92.165604 11.687073
0.35 165.0 94.649071 11.908669
0.65 -165.0 155.395386 14.740127
0.65 -135.0 142.677963 16.163887
0.65 -105.0 134.996552 12.661773
0.65 -75.0 137.589508 14.608253
0.65 -45.0 121.42659 19.937138
0.65 -15.0 46.958412 37.012512
0.65 15.0 87.714432 34.369923
0.65 45.0 121.179611 19.22481
0.65 75.0 159.941162 15.223552
0.65 105.0 172.904327 13.428601
0.65 135.0 158.995422 17.135845
0.65 165.0 152.542633 14.831072
0.9 -165.0 235.285828 21.837729
0.9 -135.0 269.432312 31.010576
0.9 -105.0 226.237213 33.476936
0.9 -75.0 226.890198 31.277817
0.9 -45.0 96.335175 81.82959
0.9 -15.0 0.0 0.0
0.9 15.0 0.0 0.0
0.9 45.0 0.0 0.0
0.9 75.0 182.90802 30.572369
0.9 105.0 249.790543 33.832649
0.9 135.0 232.336105 29.104477
0.9 165.0 221.485153 21.48274