CLAS Physics Database

Measurement E38M242

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: 2.35 GeV
ε: 0.166414
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 0.0 0.0
-0.6 22.5 0.0 0.0
-0.6 67.5 0.0 0.0
-0.6 112.5 0.0 0.0
-0.6 157.5 0.0 0.0
-0.25 -157.5 6.885645 4.304061
-0.25 -112.5 6.022199 3.367054
-0.25 -67.5 4.360551 2.725852
-0.25 -22.5 1.432709 1.791034
-0.25 22.5 2.839096 2.509854
-0.25 67.5 3.261799 2.354331
-0.25 112.5 8.467944 4.297639
-0.25 157.5 5.145146 3.713536
0.05 -157.5 0.0 0.0
0.05 -112.5 10.255713 4.747737
0.05 -67.5 3.945966 3.750083
0.05 -22.5 4.873585 3.046298
0.05 22.5 1.223954 1.52998
0.05 67.5 5.856772 3.929957
0.05 112.5 3.548998 4.249559
0.05 157.5 9.127877 4.082899
0.35 -165.0 6.700111 7.362221
0.35 -135.0 20.533997 10.341108
0.35 -105.0 23.131363 7.961604
0.35 -75.0 0.0 0.0
0.35 -45.0 7.775333 6.627896
0.35 -15.0 12.591559 13.353291
0.35 15.0 10.534587 7.602811
0.35 45.0 16.422998 6.625269
0.35 75.0 9.089147 5.081093
0.35 105.0 16.74435 5.731402
0.35 135.0 4.614446 7.211443
0.35 165.0 11.980789 7.032471
0.65 -165.0 15.904586 9.335546
0.65 -135.0 24.291088 13.365016
0.65 -105.0 25.356785 9.791095
0.65 -75.0 10.950906 15.335715
0.65 -45.0 25.012758 18.051468
0.65 -15.0 51.179092 63.973969
0.65 15.0 0.0 0.0
0.65 45.0 8.299088 10.373874
0.65 75.0 11.044173 15.466328
0.65 105.0 37.552784 10.790642
0.65 135.0 53.750687 15.445046
0.65 165.0 39.254787 15.404244
0.9 -165.0 90.139885 35.372208
0.9 -135.0 142.166183 55.788101
0.9 -105.0 240.30603 94.299591
0.9 -75.0 507.46994 199.138718
0.9 -45.0 0.0 0.0
0.9 -15.0 0.0 0.0
0.9 15.0 0.0 0.0
0.9 45.0 0.0 0.0
0.9 75.0 22.161507 27.701891
0.9 105.0 0.0 0.0
0.9 135.0 0.0 0.0
0.9 165.0 0.0 0.0