CLAS Physics Database

Measurement E39M198

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: 1.55 GeV2
W: 1.75 GeV
ε: 0.743923
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 2.065127 4.845891
-0.6 -112.5 0.0 0.0
-0.6 -67.5 8.133817 7.834762
-0.6 -22.5 4.527328 5.659162
-0.6 22.5 18.097612 11.311015
-0.6 67.5 8.250005 7.463346
-0.6 112.5 3.554481 7.980483
-0.6 157.5 10.245361 6.827119
-0.25 -157.5 18.437002 6.406651
-0.25 -112.5 14.934878 9.466632
-0.25 -67.5 7.058254 6.732692
-0.25 -22.5 19.027197 18.39398
-0.25 22.5 13.164915 17.341539
-0.25 67.5 15.558357 6.659974
-0.25 112.5 12.596579 9.108954
-0.25 157.5 13.294738 5.884162
0.05 -157.5 14.372639 5.946297
0.05 -112.5 11.784634 11.231019
0.05 -67.5 13.237677 9.008039
0.05 -22.5 28.13361 16.313679
0.05 22.5 11.579003 7.236883
0.05 67.5 4.861801 7.255682
0.05 112.5 17.37117 8.68745
0.05 157.5 10.161745 6.375957
0.35 -165.0 15.092665 8.337309
0.35 -135.0 12.747712 8.804319
0.35 -105.0 6.448724 10.19805
0.35 -75.0 0.0 0.0
0.35 -45.0 15.85433 8.862847
0.35 -15.0 23.086908 14.429329
0.35 15.0 11.520251 10.182564
0.35 45.0 22.131844 19.29458
0.35 75.0 26.484245 14.678002
0.35 105.0 8.058729 11.037053
0.35 135.0 13.843528 8.834787
0.35 165.0 6.85165 7.259517
0.65 -165.0 10.098008 7.703066
0.65 -135.0 4.930353 9.081104
0.65 -105.0 1.138941 17.057495
0.65 -75.0 0.0 0.0
0.65 -45.0 0.0 0.0
0.65 -15.0 7.476988 17.477516
0.65 15.0 13.627906 12.834166
0.65 45.0 15.23502 22.685154
0.65 75.0 0.0 0.0
0.65 105.0 0.0 0.0
0.65 135.0 6.92423 8.367022
0.65 165.0 15.088968 7.731482
0.9 -165.0 6.049901 12.254962
0.9 -135.0 16.347372 14.318942
0.9 -105.0 10.53113 17.456236
0.9 -75.0 12.358836 15.424229
0.9 -45.0 0.818754 15.08668
0.9 -15.0 5.967615 15.687428
0.9 15.0 10.202661 15.838799
0.9 45.0 0.0 0.0
0.9 75.0 5.404397 18.137022
0.9 105.0 1.523076 11.276521
0.9 135.0 2.871801 14.064581
0.9 165.0 5.898118 10.153117