CLAS Physics Database

Measurement E38M238

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: 1.95 GeV
ε: 0.533745
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 6.67087 4.814726
-0.6 -67.5 19.702196 4.66377
-0.6 -22.5 15.040571 4.489743
-0.6 22.5 11.927854 3.988388
-0.6 67.5 16.633558 4.279847
-0.6 112.5 24.232729 9.157746
-0.6 157.5 0.0 0.0
-0.25 -157.5 16.977894 12.253013
-0.25 -112.5 17.102793 4.851145
-0.25 -67.5 11.414972 5.235689
-0.25 -22.5 9.413344 4.590841
-0.25 22.5 12.484308 4.54785
-0.25 67.5 18.113781 5.176995
-0.25 112.5 17.516348 5.36888
-0.25 157.5 0.0 0.0
0.05 -157.5 42.385361 6.404475
0.05 -112.5 32.349316 6.024539
0.05 -67.5 27.206633 6.780894
0.05 -22.5 21.80151 9.937718
0.05 22.5 26.058346 10.527611
0.05 67.5 27.016619 5.809527
0.05 112.5 41.915924 6.313066
0.05 157.5 43.352798 6.492834
0.35 -165.0 60.151264 9.399774
0.35 -135.0 55.653679 10.764583
0.35 -105.0 38.830055 10.191768
0.35 -75.0 36.676533 8.632147
0.35 -45.0 35.622856 14.753649
0.35 -15.0 0.0 0.0
0.35 15.0 0.0 0.0
0.35 45.0 55.521954 16.051208
0.35 75.0 45.859112 8.893509
0.35 105.0 40.866425 10.263976
0.35 135.0 55.987076 10.379773
0.35 165.0 70.128647 9.070482
0.65 -165.0 105.589134 11.839892
0.65 -135.0 89.268005 14.740268
0.65 -105.0 85.704987 14.906322
0.65 -75.0 84.605858 15.485735
0.65 -45.0 76.993263 16.561644
0.65 -15.0 0.0 0.0
0.65 15.0 0.0 0.0
0.65 45.0 38.459438 16.180294
0.65 75.0 84.21743 15.43053
0.65 105.0 67.310509 15.223318
0.65 135.0 89.185417 13.778336
0.65 165.0 87.201866 11.078323
0.9 -165.0 132.427567 17.32708
0.9 -135.0 124.373405 19.005093
0.9 -105.0 97.374969 21.031086
0.9 -75.0 126.426102 26.575914
0.9 -45.0 87.811409 30.296545
0.9 -15.0 128.887741 29.39983
0.9 15.0 161.296021 27.491978
0.9 45.0 87.881378 30.740042
0.9 75.0 141.239014 26.417957
0.9 105.0 115.044762 22.059692
0.9 135.0 141.642456 20.507734
0.9 165.0 140.0354 17.311186