CLAS Physics Database

Measurement E38M247

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: 2.55 GeV2
W: 2.05 GeV
ε: 0.335912
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 0.0 0.0
-0.6 -67.5 4.043765 2.919818
-0.6 -22.5 3.069877 2.714785
-0.6 22.5 0.0 0.0
-0.6 67.5 1.348304 1.685665
-0.6 112.5 0.0 0.0
-0.6 157.5 0.0 0.0
-0.25 -157.5 0.0 0.0
-0.25 -112.5 8.077755 6.513996
-0.25 -67.5 0.0 0.0
-0.25 -22.5 6.533933 3.6539
-0.25 22.5 3.913989 2.825293
-0.25 67.5 2.620332 4.813565
-0.25 112.5 22.150883 7.162199
-0.25 157.5 0.0 0.0
0.05 -157.5 23.950155 7.461083
0.05 -112.5 26.203712 7.221842
0.05 -67.5 11.73824 5.526283
0.05 -22.5 14.27651 6.234478
0.05 22.5 5.149992 5.019008
0.05 67.5 14.535012 5.54279
0.05 112.5 18.896297 5.649262
0.05 157.5 8.470585 6.436581
0.35 -165.0 18.830378 10.762445
0.35 -135.0 49.429226 11.82261
0.35 -105.0 38.438538 11.718274
0.35 -75.0 54.05505 10.806851
0.35 -45.0 25.352234 18.281385
0.35 -15.0 0.0 0.0
0.35 15.0 11.088699 13.861021
0.35 45.0 42.742443 15.373031
0.35 75.0 32.351219 11.913289
0.35 105.0 31.817982 11.737744
0.35 135.0 27.258783 10.365982
0.35 165.0 31.967737 10.517838
0.65 -165.0 44.669155 11.032657
0.65 -135.0 30.54952 14.055208
0.65 -105.0 18.316813 12.770818
0.65 -75.0 56.523232 13.957858
0.65 -45.0 65.250534 26.631374
0.65 -15.0 0.0 0.0
0.65 15.0 0.0 0.0
0.65 45.0 53.780315 24.293894
0.65 75.0 42.624241 14.02894
0.65 105.0 40.041691 14.061668
0.65 135.0 68.137169 14.350493
0.65 165.0 43.17416 10.854061
0.9 -165.0 76.751579 20.900467
0.9 -135.0 107.268394 21.750031
0.9 -105.0 106.539818 31.700027
0.9 -75.0 99.085564 32.788528
0.9 -45.0 30.399731 26.869858
0.9 -15.0 0.0 0.0
0.9 15.0 67.621483 59.769611
0.9 45.0 60.762337 37.97657
0.9 75.0 57.409645 26.070255
0.9 105.0 105.527786 25.5949
0.9 135.0 65.600487 20.079803
0.9 165.0 95.860039 18.359856