CLAS Physics Database

Measurement E38M239

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: 2.05 GeV
ε: 0.457905
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 3.809231 2.472174
-0.6 -22.5 3.279946 2.050771
-0.6 22.5 5.654207 2.70425
-0.6 67.5 7.278598 2.891155
-0.6 112.5 0.0 0.0
-0.6 157.5 0.0 0.0
-0.25 -157.5 19.020855 11.434625
-0.25 -112.5 12.006495 4.108943
-0.25 -67.5 13.948389 3.944872
-0.25 -22.5 3.735447 4.277221
-0.25 22.5 5.662961 5.533848
-0.25 67.5 12.486665 3.877203
-0.25 112.5 9.995765 4.02076
-0.25 157.5 25.979538 12.246992
0.05 -157.5 39.609398 6.233608
0.05 -112.5 31.389898 5.527399
0.05 -67.5 16.26405 5.221099
0.05 -22.5 6.082144 6.50205
0.05 22.5 12.859733 6.141725
0.05 67.5 18.458088 5.256418
0.05 112.5 21.134586 5.205371
0.05 157.5 34.032711 5.973335
0.35 -165.0 46.219521 8.675227
0.35 -135.0 41.088909 10.879683
0.35 -105.0 48.625664 8.917257
0.35 -75.0 34.862988 7.959017
0.35 -45.0 31.510071 13.646239
0.35 -15.0 19.01585 16.80801
0.35 15.0 19.061499 16.848358
0.35 45.0 9.969706 10.971494
0.35 75.0 44.433983 8.543313
0.35 105.0 42.547436 10.240357
0.35 135.0 54.462162 10.192829
0.35 165.0 38.454479 8.188794
0.65 -165.0 67.838371 9.792169
0.65 -135.0 65.04892 12.622387
0.65 -105.0 35.787594 12.987656
0.65 -75.0 55.444351 11.627955
0.65 -45.0 34.767933 16.301918
0.65 -15.0 0.0 0.0
0.65 15.0 0.0 0.0
0.65 45.0 56.554493 16.129419
0.65 75.0 60.913155 13.174223
0.65 105.0 59.151733 12.984914
0.65 135.0 55.97496 13.150893
0.65 165.0 58.129131 9.590546
0.9 -165.0 86.099213 15.747089
0.9 -135.0 117.390678 22.263706
0.9 -105.0 92.045441 26.669374
0.9 -75.0 123.12928 31.948265
0.9 -45.0 146.244385 37.130516
0.9 -15.0 88.116684 37.087627
0.9 15.0 126.196007 40.55788
0.9 45.0 145.443436 43.468735
0.9 75.0 120.76268 29.428539
0.9 105.0 130.490509 25.627218
0.9 135.0 78.351624 18.409826
0.9 165.0 126.29702 17.082825