CLAS Physics Database

Measurement E38M218

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: 1.0 GeV2
W: 1.95 GeV
ε: 0.266294
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 33.097446 6.513654
-0.6 -112.5 32.399509 6.405501
-0.6 -67.5 17.164545 4.700426
-0.6 -22.5 25.915861 6.121295
-0.6 22.5 29.550121 6.635835
-0.6 67.5 23.494606 5.155787
-0.6 112.5 25.308851 5.878017
-0.6 157.5 39.505142 7.120154
-0.25 -157.5 32.585957 5.871913
-0.25 -112.5 33.32066 5.408269
-0.25 -67.5 16.410873 4.457131
-0.25 -22.5 26.978043 6.425693
-0.25 22.5 34.334194 6.843376
-0.25 67.5 25.022589 4.932719
-0.25 112.5 40.111855 5.546346
-0.25 157.5 35.997513 6.335562
0.05 -165.0 56.040245 8.271607
0.05 -135.0 51.6404 8.011354
0.05 -105.0 52.591309 7.038734
0.05 -75.0 51.268871 8.097532
0.05 -45.0 38.322304 6.312942
0.05 -15.0 34.874725 8.455249
0.05 15.0 26.884836 8.58029
0.05 45.0 45.516571 6.766162
0.05 75.0 59.599857 9.030577
0.05 105.0 51.798302 7.057501
0.05 135.0 54.531311 7.848032
0.05 165.0 51.113323 8.365265
0.35 -165.0 92.780144 9.440887
0.35 -135.0 88.522026 10.375308
0.35 -105.0 103.196999 10.126542
0.35 -75.0 94.726242 11.20434
0.35 -45.0 64.625343 10.330824
0.35 -15.0 51.390217 12.679283
0.35 15.0 53.126373 12.817117
0.35 45.0 63.733582 10.084923
0.35 75.0 80.146065 11.014613
0.35 105.0 90.71431 9.751193
0.35 135.0 80.621765 9.678065
0.35 165.0 70.932663 9.144078
0.65 -165.0 121.087326 11.744606
0.65 -135.0 130.232956 13.381229
0.65 -105.0 113.707108 11.485239
0.65 -75.0 132.615387 13.702705
0.65 -45.0 73.299973 18.942787
0.65 -15.0 50.953884 37.368637
0.65 15.0 0.0 0.0
0.65 45.0 81.618515 19.228741
0.65 75.0 120.788307 13.506843
0.65 105.0 120.768257 12.171304
0.65 135.0 117.770477 12.941916
0.65 165.0 129.232361 12.152821
0.9 -165.0 208.794846 20.192642
0.9 -135.0 189.440842 22.193466
0.9 -105.0 133.124252 24.044998
0.9 -75.0 170.048828 29.203146
0.9 -45.0 166.206039 91.669075
0.9 -15.0 0.0 0.0
0.9 15.0 0.0 0.0
0.9 45.0 124.665543 85.294502
0.9 75.0 127.883583 28.44006
0.9 105.0 166.944122 27.03916
0.9 135.0 164.79863 21.458214
0.9 165.0 186.225433 19.001848