CLAS Physics Database

Measurement E38M212

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: 1.85 GeV
ε: 0.537641
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 61.330406 12.10675
-0.6 -112.5 60.057014 6.494862
-0.6 -67.5 42.208164 6.057214
-0.6 -22.5 38.231358 6.479341
-0.6 22.5 45.45364 6.699462
-0.6 67.5 58.977829 6.581752
-0.6 112.5 52.134441 6.039463
-0.6 157.5 52.935673 12.061374
-0.25 -157.5 93.410774 7.188611
-0.25 -112.5 78.179665 5.904411
-0.25 -67.5 71.809357 6.712676
-0.25 -22.5 56.162205 7.121716
-0.25 22.5 56.354061 6.883078
-0.25 67.5 77.625504 7.013101
-0.25 112.5 90.195335 6.203742
-0.25 157.5 93.334686 7.048798
0.05 -165.0 116.525177 8.503171
0.05 -135.0 127.019341 10.394995
0.05 -105.0 118.390335 7.853699
0.05 -75.0 108.873817 10.067561
0.05 -45.0 90.183235 8.456079
0.05 -15.0 59.413441 11.222695
0.05 15.0 58.337524 10.293502
0.05 45.0 80.766106 7.867622
0.05 75.0 100.602501 9.667871
0.05 105.0 118.846619 7.914892
0.05 135.0 123.288773 10.693377
0.05 165.0 131.766953 8.957236
0.35 -165.0 156.10585 9.357918
0.35 -135.0 166.219482 12.087359
0.35 -105.0 183.184753 10.077662
0.35 -75.0 147.200409 10.521547
0.35 -45.0 100.611465 11.065789
0.35 -15.0 75.665077 13.398871
0.35 15.0 81.979576 14.425415
0.35 45.0 134.948257 12.336221
0.35 75.0 155.523438 10.648484
0.35 105.0 181.441055 10.060322
0.35 135.0 141.151657 11.515779
0.35 165.0 152.270966 9.204381
0.65 -165.0 212.892502 10.950532
0.65 -135.0 213.970627 14.951469
0.65 -105.0 197.726807 13.0605
0.65 -75.0 206.142029 11.364536
0.65 -45.0 146.665924 19.543978
0.65 -15.0 0.0 0.0
0.65 15.0 0.0 0.0
0.65 45.0 151.48761 19.018751
0.65 75.0 208.210068 11.217341
0.65 105.0 224.83783 13.147034
0.65 135.0 193.463181 14.836227
0.65 165.0 211.681229 11.066175
0.9 -165.0 282.229065 15.163703
0.9 -135.0 309.390564 19.560106
0.9 -105.0 271.0578 24.719564
0.9 -75.0 244.107666 26.200008
0.9 -45.0 278.299194 35.231369
0.9 -15.0 204.463409 50.750797
0.9 15.0 215.679764 45.610264
0.9 45.0 251.271652 35.314037
0.9 75.0 295.887695 26.792057
0.9 105.0 261.145172 25.500795
0.9 135.0 289.864441 19.527201
0.9 165.0 305.943878 15.470819