CLAS Physics Database

Measurement E38M234

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: 1.55 GeV2
W: 2.35 GeV
ε: 0.301135
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 2.055982 1.817466
-0.6 -22.5 3.366139 2.104752
-0.6 22.5 3.41171 2.133221
-0.6 67.5 8.180415 3.636151
-0.6 112.5 0.0 0.0
-0.6 157.5 0.0 0.0
-0.25 -157.5 5.836876 3.865319
-0.25 -112.5 4.813282 2.855801
-0.25 -67.5 2.347062 1.312183
-0.25 -22.5 3.816352 2.385473
-0.25 22.5 3.77416 2.359106
-0.25 67.5 2.201547 1.819481
-0.25 112.5 2.345479 2.192523
-0.25 157.5 7.102495 3.049791
0.05 -157.5 11.369951 4.52994
0.05 -112.5 9.899723 2.777602
0.05 -67.5 4.78374 2.449695
0.05 -22.5 2.133607 2.751914
0.05 22.5 3.510246 2.688071
0.05 67.5 5.684009 3.123459
0.05 112.5 9.433825 3.258699
0.05 157.5 5.90241 4.348053
0.35 -165.0 20.692324 7.437275
0.35 -135.0 15.774786 6.429249
0.35 -105.0 14.275408 4.76739
0.35 -75.0 17.975512 7.268779
0.35 -45.0 13.888539 4.965753
0.35 -15.0 5.694233 7.408261
0.35 15.0 8.499356 6.390589
0.35 45.0 9.24442 5.36136
0.35 75.0 12.129711 7.258851
0.35 105.0 14.445798 5.148649
0.35 135.0 18.583754 6.470365
0.35 165.0 10.084966 7.515426
0.65 -165.0 41.091724 9.899469
0.65 -135.0 37.369534 9.536193
0.65 -105.0 39.841263 8.732483
0.65 -75.0 35.03566 8.892385
0.65 -45.0 10.352555 12.604009
0.65 -15.0 32.399193 28.637136
0.65 15.0 16.273592 20.341999
0.65 45.0 22.594151 13.182524
0.65 75.0 41.345581 8.613322
0.65 105.0 70.758156 9.310926
0.65 135.0 43.181919 10.308656
0.65 165.0 34.455841 9.448884
0.9 -165.0 122.038086 19.382303
0.9 -135.0 115.27919 26.366249
0.9 -105.0 205.94075 47.102051
0.9 -75.0 50.658398 32.472485
0.9 -45.0 85.29599 75.391739
0.9 -15.0 0.0 0.0
0.9 15.0 0.0 0.0
0.9 45.0 84.618057 74.792526
0.9 75.0 50.721607 32.513
0.9 105.0 129.958405 32.498238
0.9 135.0 151.557968 26.844505
0.9 165.0 116.65847 19.340508