CLAS Physics Database

Measurement E38M237

Experiment: E1-5st-Lambda (E93-030/E00-112)
Year: 1999

Measurement comment:

Differential cross sections were extracted by combining yields of data pertaining to two beam energies 4.056 and 4.247 GeV.

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: 2.05 GeV2
W: 1.85 GeV
ε: 0.599372
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 18.151211 5.111547
-0.6 -67.5 25.878767 5.579252
-0.6 -22.5 11.781357 5.249102
-0.6 22.5 16.630814 5.230481
-0.6 67.5 21.063961 5.038333
-0.6 112.5 20.364714 5.422461
-0.6 157.5 0.0 0.0
-0.25 -157.5 22.370544 17.503582
-0.25 -112.5 43.354645 6.95177
-0.25 -67.5 27.322781 5.787623
-0.25 -22.5 25.799076 8.162282
-0.25 22.5 19.25729 7.608457
-0.25 67.5 32.949062 6.320757
-0.25 112.5 42.246853 6.796972
-0.25 157.5 20.024357 11.194081
0.05 -157.5 68.114052 8.056904
0.05 -112.5 54.399246 7.96251
0.05 -67.5 48.158028 7.283596
0.05 -22.5 0.0 0.0
0.05 22.5 3.331394 22.234972
0.05 67.5 48.770847 7.102891
0.05 112.5 53.47834 7.988716
0.05 157.5 51.412346 8.307409
0.35 -165.0 85.281357 9.181273
0.35 -135.0 88.92012 12.741829
0.35 -105.0 82.821732 12.34739
0.35 -75.0 72.800583 10.853834
0.35 -45.0 46.415787 10.247778
0.35 -15.0 45.229458 32.641884
0.35 15.0 30.220697 26.71176
0.35 45.0 44.681622 9.999332
0.35 75.0 78.033707 10.810053
0.35 105.0 83.52327 12.631519
0.35 135.0 76.255424 12.157028
0.35 165.0 89.800781 9.649673
0.65 -165.0 99.597069 11.17319
0.65 -135.0 115.884811 14.294914
0.65 -105.0 105.390297 16.923199
0.65 -75.0 111.881493 18.963533
0.65 -45.0 103.036888 21.681112
0.65 -15.0 49.452049 27.644716
0.65 15.0 12.757205 24.365849
0.65 45.0 86.749886 23.338888
0.65 75.0 131.272476 19.907173
0.65 105.0 93.890739 15.392328
0.65 135.0 102.269127 14.117347
0.65 165.0 94.117928 11.626652
0.9 -165.0 168.741882 17.44544
0.9 -135.0 149.896484 19.244078
0.9 -105.0 124.558731 20.107672
0.9 -75.0 121.286812 22.240181
0.9 -45.0 141.476608 26.596775
0.9 -15.0 115.891937 18.627632
0.9 15.0 95.814827 17.001928
0.9 45.0 129.60556 23.202929
0.9 75.0 137.236542 24.258858
0.9 105.0 156.130173 21.245165
0.9 135.0 158.398422 19.365974
0.9 165.0 146.613739 16.633099