CLAS Physics Database

Measurement E38M214

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: 2.05 GeV
ε: 0.279134
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 28.241169 6.126732
-0.6 -112.5 23.163191 4.577271
-0.6 -67.5 23.672573 3.828905
-0.6 -22.5 15.576743 4.096242
-0.6 22.5 14.577515 4.346348
-0.6 67.5 14.899318 3.511408
-0.6 112.5 29.32897 5.066988
-0.6 157.5 28.56761 6.264632
-0.25 -157.5 31.914288 5.132821
-0.25 -112.5 30.69841 3.778674
-0.25 -67.5 18.586454 3.511894
-0.25 -22.5 7.564517 3.567616
-0.25 22.5 7.758963 3.551875
-0.25 67.5 20.039564 3.183375
-0.25 112.5 22.626131 3.58318
-0.25 157.5 38.551857 5.563732
0.05 -165.0 50.418198 8.029371
0.05 -135.0 58.882145 7.461661
0.05 -105.0 67.406364 6.478778
0.05 -75.0 45.575729 6.921591
0.05 -45.0 42.646133 5.182688
0.05 -15.0 27.775898 7.639186
0.05 15.0 15.770381 6.579937
0.05 45.0 42.478947 5.364474
0.05 75.0 57.66613 6.99985
0.05 105.0 59.508053 6.180191
0.05 135.0 58.835594 7.197725
0.05 165.0 60.397732 8.448115
0.35 -165.0 83.33654 10.065405
0.35 -135.0 82.786804 9.589059
0.35 -105.0 87.653984 8.03102
0.35 -75.0 82.755058 9.233129
0.35 -45.0 79.89727 7.929655
0.35 -15.0 55.913269 12.486723
0.35 15.0 41.2327 12.556389
0.35 45.0 63.766262 7.192032
0.35 75.0 73.788727 9.22732
0.35 105.0 88.741455 7.711621
0.35 135.0 93.445877 9.723795
0.35 165.0 72.126091 9.956525
0.65 -165.0 117.722107 11.349335
0.65 -135.0 124.201073 12.717556
0.65 -105.0 144.530365 10.525736
0.65 -75.0 123.485672 12.814574
0.65 -45.0 97.637367 14.281955
0.65 -15.0 70.305809 25.843554
0.65 15.0 68.581367 20.852671
0.65 45.0 90.119331 14.637619
0.65 75.0 128.620911 12.553095
0.65 105.0 140.88765 10.112173
0.65 135.0 116.05024 12.254147
0.65 165.0 113.898506 11.44197
0.9 -165.0 242.035278 20.367634
0.9 -135.0 239.845642 27.791519
0.9 -105.0 184.484009 24.963926
0.9 -75.0 135.527008 28.583242
0.9 -45.0 124.002884 83.801613
0.9 -15.0 0.0 0.0
0.9 15.0 0.0 0.0
0.9 45.0 159.897888 94.37149
0.9 75.0 190.363861 27.662066
0.9 105.0 230.769501 29.471518
0.9 135.0 172.759018 25.487259
0.9 165.0 213.797531 20.245886