CLAS Physics Database

Measurement E39M211

Experiment: E1-5st-Sigma0 (E93-030/E00-112)
Year: 1999

Measurement comment:

Differential cross section were extracted by combining yields of the data pertaining to two different beam energies, 4.056 and 4.247 GeV.

Experiment comment:

5 structure function group analysis results for the K+Σ0 channel.
Spokespersons: Mestayer, Hicks, Carman, Raue
Reaction: ep → K+ Σ0
Polarization: none
Quantity: dσ/dΩ
Q2: 2.05 GeV2
W: 2.25 GeV
ε: 0.274014
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 8.402111 7.426607
-0.6 -67.5 2.769117 3.982767
-0.6 -22.5 4.271398 2.669725
-0.6 22.5 5.335042 2.982521
-0.6 67.5 2.066006 4.297394
-0.6 112.5 0.0 0.0
-0.6 157.5 0.0 0.0
-0.25 -157.5 5.109944 5.756569
-0.25 -112.5 0.740259 4.010642
-0.25 -67.5 7.019145 3.543775
-0.25 -22.5 4.401381 4.149486
-0.25 22.5 1.997717 4.142597
-0.25 67.5 0.0 0.0
-0.25 112.5 2.371978 4.280736
-0.25 157.5 4.191088 7.446768
0.05 -157.5 9.58092 6.0358
0.05 -112.5 7.300487 3.953275
0.05 -67.5 5.738093 4.612369
0.05 -22.5 0.0 0.0
0.05 22.5 7.22793 5.23089
0.05 67.5 0.539735 4.847028
0.05 112.5 4.429716 4.090167
0.05 157.5 7.699313 5.89877
0.35 -165.0 1.28618 6.403128
0.35 -135.0 7.205595 8.466064
0.35 -105.0 5.903986 7.350049
0.35 -75.0 0.0 0.0
0.35 -45.0 7.170012 8.555923
0.35 -15.0 0.0 0.0
0.35 15.0 0.0 0.0
0.35 45.0 1.035547 8.714806
0.35 75.0 4.631754 8.469114
0.35 105.0 16.412775 8.884574
0.35 135.0 10.89582 7.85306
0.35 165.0 14.832888 8.226939
0.65 -165.0 23.405926 12.574446
0.65 -135.0 0.0 0.0
0.65 -105.0 10.044497 14.25327
0.65 -75.0 1.519769 14.261868
0.65 -45.0 20.378431 12.736897
0.65 -15.0 0.0 0.0
0.65 15.0 0.0 0.0
0.65 45.0 25.408119 14.204101
0.65 75.0 3.642895 13.859032
0.65 105.0 0.0 0.0
0.65 135.0 14.330039 13.296914
0.65 165.0 6.700852 12.398665
0.9 -165.0 73.111 25.628113
0.9 -135.0 94.698631 33.196331
0.9 -105.0 202.494705 70.983124
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 59.31118 52.425777
0.9 75.0 0.0 0.0
0.9 105.0 57.146389 30.275833
0.9 135.0 26.688375 14.139425
0.9 165.0 8.581853 28.033781