CLAS Physics Database

Measurement E38M246

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: 1.95 GeV
ε: 0.419018
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 7.673437 4.478941
-0.6 -22.5 11.436152 5.13054
-0.6 22.5 8.551271 5.011223
-0.6 67.5 11.401376 4.248378
-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 18.4097 5.791646
-0.25 -67.5 8.622728 5.293169
-0.25 -22.5 19.937321 7.02658
-0.25 22.5 18.230408 6.69521
-0.25 67.5 12.861131 4.725933
-0.25 112.5 7.612242 3.709178
-0.25 157.5 0.0 0.0
0.05 -157.5 34.432163 8.959361
0.05 -112.5 32.991219 8.027413
0.05 -67.5 21.001574 6.839006
0.05 -22.5 10.327882 13.567538
0.05 22.5 28.782148 14.96364
0.05 67.5 24.059599 7.168757
0.05 112.5 23.406116 6.537495
0.05 157.5 23.145992 8.265704
0.35 -165.0 52.742432 10.334609
0.35 -135.0 48.957699 11.431545
0.35 -105.0 44.530331 12.202127
0.35 -75.0 39.08754 9.793128
0.35 -45.0 33.955715 18.038021
0.35 -15.0 0.0 0.0
0.35 15.0 0.0 0.0
0.35 45.0 23.722021 16.558128
0.35 75.0 49.220978 10.927434
0.35 105.0 37.11908 12.078445
0.35 135.0 48.051849 9.929305
0.35 165.0 51.64431 10.354894
0.65 -165.0 57.686478 11.534515
0.65 -135.0 57.452412 14.479737
0.65 -105.0 79.814156 16.011343
0.65 -75.0 49.826962 15.942613
0.65 -45.0 27.819281 22.404154
0.65 -15.0 0.0 0.0
0.65 15.0 0.0 0.0
0.65 45.0 69.990623 21.146046
0.65 75.0 72.268005 14.275886
0.65 105.0 53.501312 13.076544
0.65 135.0 47.73764 12.376642
0.65 165.0 77.449821 12.027547
0.9 -165.0 103.339401 20.258736
0.9 -135.0 128.667435 23.981039
0.9 -105.0 101.663765 23.573854
0.9 -75.0 56.445648 26.994114
0.9 -45.0 108.223251 30.273754
0.9 -15.0 170.369781 44.908295
0.9 15.0 34.168655 37.987411
0.9 45.0 79.569344 28.125992
0.9 75.0 97.34388 31.462692
0.9 105.0 119.943993 25.461578
0.9 135.0 111.824486 24.523964
0.9 165.0 56.352894 17.226408