CLAS Physics Database

Measurement E39M187

Experiment: E1-5st-Sigma0 (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+Σ0 channel.
Spokespersons: Mestayer, Hicks, Carman, Raue
Reaction: ep → K+ Σ0
Polarization: none
Quantity: dσ/dΩ
Q2: 1.0 GeV2
W: 1.85 GeV
ε: 0.395717
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 44.769978 7.106069
-0.6 -112.5 33.042274 6.135697
-0.6 -67.5 28.629061 7.227431
-0.6 -22.5 28.132074 7.707174
-0.6 22.5 20.282991 8.869451
-0.6 67.5 34.367603 7.999355
-0.6 112.5 43.090897 6.606993
-0.6 157.5 47.237743 7.276966
-0.25 -157.5 41.616714 5.584597
-0.25 -112.5 57.440639 7.162748
-0.25 -67.5 72.114716 8.831342
-0.25 -22.5 51.002476 8.225636
-0.25 22.5 44.950916 8.653205
-0.25 67.5 56.982452 8.912246
-0.25 112.5 60.443615 6.803355
-0.25 157.5 53.80257 6.219769
0.05 -165.0 57.279835 8.498971
0.05 -135.0 70.449562 10.099381
0.05 -105.0 83.4674 9.454117
0.05 -75.0 74.221031 11.451758
0.05 -45.0 66.12928 10.886753
0.05 -15.0 66.520927 16.349566
0.05 15.0 61.929916 14.768663
0.05 45.0 79.134789 11.910609
0.05 75.0 78.193863 10.769313
0.05 105.0 72.664444 8.784534
0.05 135.0 72.137077 9.546977
0.05 165.0 58.050442 8.20235
0.35 -165.0 77.452316 9.113536
0.35 -135.0 65.332664 11.089342
0.35 -105.0 98.313484 10.734255
0.35 -75.0 72.784042 11.103546
0.35 -45.0 74.728416 15.481885
0.35 -15.0 70.656837 27.474697
0.35 15.0 61.803688 29.049139
0.35 45.0 49.702194 13.668688
0.35 75.0 82.103432 10.748485
0.35 105.0 75.162132 10.211918
0.35 135.0 62.99395 10.942952
0.35 165.0 67.173805 9.30277
0.65 -165.0 55.419785 8.752769
0.65 -135.0 66.459816 11.009431
0.65 -105.0 69.685692 11.906758
0.65 -75.0 63.303337 11.223275
0.65 -45.0 25.245729 21.327471
0.65 -15.0 0.0 0.0
0.65 15.0 0.0 0.0
0.65 45.0 34.615463 17.381012
0.65 75.0 66.791718 12.18573
0.65 105.0 53.757267 11.274914
0.65 135.0 44.669025 11.853028
0.65 165.0 54.171677 8.623586
0.9 -165.0 48.380367 11.638886
0.9 -135.0 49.24662 13.615348
0.9 -105.0 38.749584 19.833244
0.9 -75.0 46.361481 22.432396
0.9 -45.0 58.431648 30.768124
0.9 -15.0 62.840527 55.791588
0.9 15.0 80.663116 63.579758
0.9 45.0 21.442438 40.037273
0.9 75.0 15.879199 22.438772
0.9 105.0 62.850407 20.099268
0.9 135.0 23.869749 12.823524
0.9 165.0 29.67305 11.783099