CLAS Physics Database

Measurement E38M226

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: 1.0 GeV2
W: 2.35 GeV
ε: 0.443833
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 3.80596 3.364138
-0.6 -67.5 2.472625 1.784602
-0.6 -22.5 1.470614 1.299924
-0.6 22.5 3.668941 2.051287
-0.6 67.5 4.112194 2.299086
-0.6 112.5 0.0 0.0
-0.6 157.5 0.0 0.0
-0.25 -157.5 7.543186 3.282018
-0.25 -112.5 4.308178 2.775961
-0.25 -67.5 4.695524 3.265949
-0.25 -22.5 1.699329 3.479219
-0.25 22.5 0.0 0.0
-0.25 67.5 1.844418 1.331118
-0.25 112.5 8.794246 3.058618
-0.25 157.5 15.154698 5.467984
0.05 -157.5 12.181891 6.411325
0.05 -112.5 4.31658 3.160262
0.05 -67.5 10.768412 3.59257
0.05 -22.5 6.946869 3.94274
0.05 22.5 6.565489 3.034729
0.05 67.5 8.948298 3.101941
0.05 112.5 14.186855 3.625311
0.05 157.5 19.464417 6.871684
0.35 -165.0 22.706272 9.650785
0.35 -135.0 24.148262 8.626291
0.35 -105.0 20.851721 6.20124
0.35 -75.0 10.193491 7.556882
0.35 -45.0 16.975607 5.431107
0.35 -15.0 23.137142 12.023277
0.35 15.0 0.0 0.0
0.35 45.0 12.167877 5.577304
0.35 75.0 30.244162 8.638758
0.35 105.0 13.506438 6.019682
0.35 135.0 24.735115 8.692009
0.35 165.0 18.06798 9.82258
0.65 -165.0 51.760208 11.51845
0.65 -135.0 24.199696 14.077663
0.65 -105.0 65.551987 10.797969
0.65 -75.0 64.947556 11.565496
0.65 -45.0 7.884392 17.837521
0.65 -15.0 58.493168 42.213837
0.65 15.0 0.0 0.0
0.65 45.0 24.204845 18.798208
0.65 75.0 62.484238 10.489121
0.65 105.0 56.758572 10.565159
0.65 135.0 63.191704 14.804195
0.65 165.0 50.007408 11.958122
0.9 -165.0 98.234283 20.164099
0.9 -135.0 129.194733 32.731518
0.9 -105.0 93.93631 38.914421
0.9 -75.0 93.920509 34.434963
0.9 -45.0 94.236122 68.009079
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 75.0 133.34584 35.054451
0.9 105.0 82.245018 36.059639
0.9 135.0 173.618546 32.397045
0.9 165.0 144.523651 20.554815