CLAS Physics Database

Measurement E38M229

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: 1.55 GeV2
W: 1.85 GeV
ε: 0.696023
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 32.335224 6.653129
-0.6 -67.5 28.962877 6.624922
-0.6 -22.5 25.834736 6.929151
-0.6 22.5 17.026104 6.564891
-0.6 67.5 39.710266 7.485895
-0.6 112.5 30.918484 6.455461
-0.6 157.5 0.0 0.0
-0.25 -157.5 54.854164 11.707587
-0.25 -112.5 60.025127 8.429393
-0.25 -67.5 29.05582 5.993747
-0.25 -22.5 29.730391 7.4513
-0.25 22.5 29.773548 8.058769
-0.25 67.5 44.962189 8.505211
-0.25 112.5 57.350883 7.84343
-0.25 157.5 76.274704 12.955814
0.05 -157.5 97.344536 9.04824
0.05 -112.5 95.363541 10.961654
0.05 -67.5 57.021946 7.540415
0.05 -22.5 12.169335 13.023512
0.05 22.5 40.256084 21.048874
0.05 67.5 56.765259 7.540092
0.05 112.5 86.428703 10.328249
0.05 157.5 82.326004 8.294297
0.35 -165.0 115.311432 11.535447
0.35 -135.0 102.049377 15.195743
0.35 -105.0 117.986107 15.285111
0.35 -75.0 114.503311 12.407554
0.35 -45.0 63.372944 10.504872
0.35 -15.0 13.711902 17.139902
0.35 15.0 55.072731 34.420647
0.35 45.0 60.903969 10.702927
0.35 75.0 81.067734 10.383172
0.35 105.0 132.3414 16.035147
0.35 135.0 112.16864 15.683546
0.35 165.0 114.051834 11.263961
0.65 -165.0 138.88475 12.787692
0.65 -135.0 140.722885 15.862477
0.65 -105.0 142.319778 22.991924
0.65 -75.0 120.146065 20.936571
0.65 -45.0 91.369629 20.684578
0.65 -15.0 48.089882 29.609394
0.65 15.0 17.363861 23.454926
0.65 45.0 77.740997 20.757797
0.65 75.0 158.753311 22.790083
0.65 105.0 138.432083 20.875576
0.65 135.0 138.272705 15.654582
0.65 165.0 159.202042 13.285949
0.9 -165.0 194.618118 18.755894
0.9 -135.0 162.904099 19.227629
0.9 -105.0 180.633438 22.356535
0.9 -75.0 183.162903 27.54867
0.9 -45.0 189.109955 25.133308
0.9 -15.0 143.029068 20.33441
0.9 15.0 179.805328 20.372711
0.9 45.0 173.973923 26.0763
0.9 75.0 165.094131 25.83864
0.9 105.0 168.961578 22.061483
0.9 135.0 189.886078 20.719715
0.9 165.0 238.650986 19.459122