CLAS Physics Database

Measurement E39M216

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: 2.55 GeV2
W: 1.95 GeV
ε: 0.419018
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 13.557325 12.52421
-0.6 -67.5 6.733015 6.899245
-0.6 -22.5 4.62834 4.507128
-0.6 22.5 4.970141 6.311374
-0.6 67.5 7.57527 4.677461
-0.6 112.5 4.967281 13.282763
-0.6 157.5 0.0 0.0
-0.25 -157.5 25.919317 18.705688
-0.25 -112.5 17.886206 6.336772
-0.25 -67.5 14.236811 7.843438
-0.25 -22.5 9.401893 6.537611
-0.25 22.5 23.997644 8.839669
-0.25 67.5 9.555183 5.164389
-0.25 112.5 22.065556 6.396397
-0.25 157.5 34.648125 21.655132
0.05 -157.5 11.256959 6.466492
0.05 -112.5 17.116568 8.303708
0.05 -67.5 29.126553 8.856856
0.05 -22.5 0.0 0.0
0.05 22.5 0.0 0.0
0.05 67.5 18.515589 7.947244
0.05 112.5 15.993716 7.445007
0.05 157.5 18.532637 7.603599
0.35 -165.0 8.563639 10.191552
0.35 -135.0 13.094371 11.454326
0.35 -105.0 11.543464 11.085562
0.35 -75.0 9.294554 9.608533
0.35 -45.0 2.225219 15.7467
0.35 -15.0 0.0 0.0
0.35 15.0 0.0 0.0
0.35 45.0 5.574037 16.797663
0.35 75.0 8.864232 10.442145
0.35 105.0 13.915429 12.524568
0.35 135.0 8.307833 7.492661
0.35 165.0 14.591645 10.218829
0.65 -165.0 10.29901 10.976299
0.65 -135.0 5.975432 13.919715
0.65 -105.0 17.202791 12.325477
0.65 -75.0 0.0 0.0
0.65 -45.0 0.0 0.0
0.65 -15.0 0.0 0.0
0.65 15.0 0.0 0.0
0.65 45.0 7.126201 11.913004
0.65 75.0 20.017473 11.56551
0.65 105.0 11.754436 10.266569
0.65 135.0 19.183105 11.819533
0.65 165.0 22.189013 9.93912
0.9 -165.0 7.961012 14.922154
0.9 -135.0 0.0 0.0
0.9 -105.0 1.660292 16.318119
0.9 -75.0 11.428326 23.951399
0.9 -45.0 31.170826 21.240709
0.9 -15.0 12.308693 16.082857
0.9 15.0 7.976134 33.643925
0.9 45.0 29.412619 23.260979
0.9 75.0 2.282129 23.832996
0.9 105.0 1.223406 17.279028
0.9 135.0 0.0 0.0
0.9 165.0 7.72703 14.428625