CLAS Physics Database

Measurement E38M199

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

Measurement comment:

Differential cross sections for two different torus currents, 1500A and 2250A at 2.567GeV beam energy, were combined using error weighted average.

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: 0.65 GeV2
W: 1.925 GeV
ε: 0.450599
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 46.04842 10.075831
-0.6 -112.5 51.322685 8.712442
-0.6 -67.5 46.735668 7.446173
-0.6 -22.5 58.187176 8.392669
-0.6 22.5 38.420238 7.716943
-0.6 67.5 40.816082 6.76867
-0.6 112.5 43.815956 7.986423
-0.6 157.5 55.648037 10.578679
-0.25 -157.5 66.322746 8.814297
-0.25 -112.5 54.154705 6.545976
-0.25 -67.5 43.287975 7.07667
-0.25 -22.5 37.347492 7.551627
-0.25 22.5 29.564306 8.029194
-0.25 67.5 49.187515 7.256533
-0.25 112.5 58.173702 6.709643
-0.25 157.5 53.525803 8.426199
0.05 -165.0 94.561562 10.434068
0.05 -135.0 77.165878 10.969903
0.05 -105.0 86.924088 9.51602
0.05 -75.0 78.682808 11.161639
0.05 -45.0 75.159599 9.351363
0.05 -15.0 50.392452 14.131959
0.05 15.0 27.751461 11.728021
0.05 45.0 67.846481 8.563074
0.05 75.0 67.463509 11.410387
0.05 105.0 96.332756 9.013264
0.05 135.0 90.403389 11.263011
0.05 165.0 77.137283 9.58995
0.35 -165.0 128.731659 12.112116
0.35 -135.0 113.125824 13.111567
0.35 -105.0 145.439224 11.716146
0.35 -75.0 111.524269 13.783335
0.35 -45.0 107.074707 12.023355
0.35 -15.0 63.901184 16.614979
0.35 15.0 48.1758 17.633886
0.35 45.0 83.194664 11.228354
0.35 75.0 103.360397 13.43441
0.35 105.0 145.694855 11.298006
0.35 135.0 114.670502 13.994015
0.35 165.0 106.603409 11.500075
0.65 -165.0 172.686783 14.727968
0.65 -135.0 137.510925 17.960604
0.65 -105.0 166.977127 14.709192
0.65 -75.0 180.5 15.441523
0.65 -45.0 140.653809 25.95109
0.65 -15.0 108.657585 51.045757
0.65 15.0 95.802971 50.360264
0.65 45.0 154.451828 26.600035
0.65 75.0 164.721634 14.560291
0.65 105.0 175.316727 14.770235
0.65 135.0 161.530991 18.05212
0.65 165.0 160.41246 14.18622
0.9 -165.0 267.463959 21.313292
0.9 -135.0 402.049561 33.82346
0.9 -105.0 275.949554 36.988514
0.9 -75.0 171.707779 32.0462
0.9 -45.0 202.408264 68.690376
0.9 -15.0 0.0 0.0
0.9 15.0 0.0 0.0
0.9 45.0 116.434883 68.558624
0.9 75.0 252.212326 33.296413
0.9 105.0 234.76651 33.192295
0.9 135.0 273.966522 29.573727
0.9 165.0 269.18692 21.546576