CLAS Physics Database

Measurement E39M170

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: 0.65 GeV2
W: 1.925 GeV
ε: 0.450599
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 2.318067 14.709289
-0.6 -112.5 49.83345 10.149201
-0.6 -67.5 50.398064 9.880223
-0.6 -22.5 55.798283 10.628117
-0.6 22.5 47.303116 11.474565
-0.6 67.5 52.293232 9.253355
-0.6 112.5 37.671001 8.564658
-0.6 157.5 15.931696 13.982894
-0.25 -157.5 56.522743 9.391261
-0.25 -112.5 91.94735 9.496728
-0.25 -67.5 88.358009 11.27224
-0.25 -22.5 74.371956 11.814568
-0.25 22.5 57.737617 12.805756
-0.25 67.5 91.3545 11.055266
-0.25 112.5 86.19281 9.240211
-0.25 157.5 65.217819 10.136246
0.05 -165.0 86.371658 11.928451
0.05 -135.0 97.653793 15.041715
0.05 -105.0 112.227333 12.450703
0.05 -75.0 109.429649 14.958543
0.05 -45.0 116.53286 13.195525
0.05 -15.0 68.758621 19.569355
0.05 15.0 64.150711 18.913513
0.05 45.0 116.213646 12.684751
0.05 75.0 114.440002 16.63233
0.05 105.0 131.534668 11.634258
0.05 135.0 97.983505 14.113233
0.05 165.0 82.049423 11.713513
0.35 -165.0 111.162727 13.527575
0.35 -135.0 112.129379 15.800567
0.35 -105.0 102.996284 12.186506
0.35 -75.0 126.954979 17.429066
0.35 -45.0 76.940895 13.12934
0.35 -15.0 82.679596 22.450857
0.35 15.0 42.697422 23.372099
0.35 45.0 91.402885 14.705275
0.35 75.0 95.265884 16.106209
0.35 105.0 112.673569 11.58675
0.35 135.0 97.124237 16.836966
0.35 165.0 93.040634 13.436367
0.65 -165.0 95.044586 14.069988
0.65 -135.0 61.376266 19.069399
0.65 -105.0 76.657784 14.098381
0.65 -75.0 67.441811 13.765654
0.65 -45.0 63.317238 26.61603
0.65 -15.0 0.0 0.0
0.65 15.0 0.0 0.0
0.65 45.0 75.942169 28.025522
0.65 75.0 85.750076 13.926721
0.65 105.0 95.590324 14.681537
0.65 135.0 62.125332 17.813034
0.65 165.0 103.422707 14.254985
0.9 -165.0 69.743889 17.494974
0.9 -135.0 68.002403 23.358814
0.9 -105.0 73.898476 33.40411
0.9 -75.0 29.135452 33.555893
0.9 -45.0 77.947739 62.789738
0.9 -15.0 0.0 0.0
0.9 15.0 0.0 0.0
0.9 45.0 34.711227 81.209915
0.9 75.0 43.885956 28.642088
0.9 105.0 67.910919 27.469709
0.9 135.0 49.262028 23.576292
0.9 165.0 80.146767 18.121674