CLAS Physics Database

Measurement E38M248

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: 2.55 GeV2
W: 2.15 GeV
ε: 0.242989
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 3.379992 2.990345
-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 0.0 0.0
-0.25 -112.5 3.876291 2.798205
-0.25 -67.5 3.681487 2.657522
-0.25 -22.5 0.0 0.0
-0.25 22.5 1.356783 1.696287
-0.25 67.5 0.361365 4.428444
-0.25 112.5 0.0 0.0
-0.25 157.5 9.337729 11.672732
0.05 -157.5 22.091574 9.897641
0.05 -112.5 22.368223 8.472709
0.05 -67.5 0.0 0.0
0.05 -22.5 0.0 0.0
0.05 22.5 6.900289 4.313608
0.05 67.5 8.519622 5.558127
0.05 112.5 26.280029 7.944455
0.05 157.5 8.568935 7.653316
0.35 -165.0 20.675192 12.109022
0.35 -135.0 28.191977 13.353222
0.35 -105.0 27.051207 9.782809
0.35 -75.0 0.993176 11.393189
0.35 -45.0 13.647481 12.300861
0.35 -15.0 13.814055 17.267771
0.35 15.0 13.736048 17.170261
0.35 45.0 24.232735 13.464934
0.35 75.0 15.234943 9.939202
0.35 105.0 24.47719 11.378975
0.35 135.0 28.396908 12.664775
0.35 165.0 40.492683 14.754516
0.65 -165.0 57.66785 13.517037
0.65 -135.0 32.366478 15.564753
0.65 -105.0 39.804131 13.32992
0.65 -75.0 29.139851 16.854147
0.65 -45.0 35.012829 25.268583
0.65 -15.0 0.0 0.0
0.65 15.0 0.0 0.0
0.65 45.0 46.810219 29.256777
0.65 75.0 55.613632 15.613821
0.65 105.0 35.033245 12.824089
0.65 135.0 47.978024 19.118475
0.65 165.0 43.517666 14.213618
0.9 -165.0 105.586655 23.571484
0.9 -135.0 59.65855 21.51058
0.9 -105.0 67.494057 34.43697
0.9 -75.0 0.0 0.0
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 0.0 0.0
0.9 105.0 64.567307 34.28643
0.9 135.0 112.773819 28.706493
0.9 165.0 93.748779 24.399164