CLAS Physics Database

Measurement E38M240

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: 2.15 GeV
ε: 0.371351
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 0.0 0.0
-0.6 -22.5 1.374423 1.718297
-0.6 22.5 2.756755 2.437404
-0.6 67.5 2.6708 1.928048
-0.6 112.5 0.0 0.0
-0.6 157.5 0.0 0.0
-0.25 -157.5 1.916142 2.395219
-0.25 -112.5 5.82034 3.045402
-0.25 -67.5 7.68271 3.093003
-0.25 -22.5 5.148203 2.952686
-0.25 22.5 3.425896 4.318282
-0.25 67.5 4.372941 3.093773
-0.25 112.5 11.03937 3.378173
-0.25 157.5 10.32465 7.142965
0.05 -157.5 20.810604 5.560023
0.05 -112.5 26.788893 5.246379
0.05 -67.5 9.531191 4.566555
0.05 -22.5 4.639815 5.649934
0.05 22.5 5.439142 4.905292
0.05 67.5 14.627959 3.888301
0.05 112.5 18.385603 4.098393
0.05 157.5 14.972278 5.541785
0.35 -165.0 34.159428 9.181105
0.35 -135.0 24.161055 8.707982
0.35 -105.0 22.248304 6.839043
0.35 -75.0 25.807119 8.126023
0.35 -45.0 11.000258 10.631957
0.35 -15.0 19.146612 11.966924
0.35 15.0 14.383747 10.380763
0.35 45.0 15.083949 10.634024
0.35 75.0 16.575294 8.044442
0.35 105.0 32.389679 7.386949
0.35 135.0 24.093172 8.310051
0.35 165.0 35.336647 9.254591
0.65 -165.0 54.159904 9.794127
0.65 -135.0 61.753193 12.259375
0.65 -105.0 66.503448 11.928145
0.65 -75.0 50.678413 10.777088
0.65 -45.0 66.836449 21.391779
0.65 -15.0 0.0 0.0
0.65 15.0 0.0 0.0
0.65 45.0 48.198788 22.917908
0.65 75.0 48.122211 11.650618
0.65 105.0 57.276066 13.372856
0.65 135.0 57.541695 12.977465
0.65 165.0 66.524567 10.437739
0.9 -165.0 99.240593 16.637686
0.9 -135.0 82.515808 21.651794
0.9 -105.0 98.779419 27.082121
0.9 -75.0 87.070724 34.265114
0.9 -45.0 0.0 0.0
0.9 -15.0 196.086456 109.615906
0.9 15.0 0.0 0.0
0.9 45.0 110.387169 48.25539
0.9 75.0 119.641739 32.388432
0.9 105.0 130.46965 26.734064
0.9 135.0 171.558044 21.143101
0.9 165.0 116.407181 16.79092