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Measurement E39M177

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

Spokespersons: Mestayer, Hicks, Carman, Raue

Experiment comment: 5 structure function group analysis results for the K+Σ0 channel.

Measurement comment: Differential cross sections for two different torus currents, 1500A and 2250A at 2.567GeV beam energy, were combined using error weighted average.

Publication:

Quantity measured: dσ/dΩ, nb/sr
Differential cross section.
Beam: e, polarization: none
Target: p (Z=1, A=1), polarization: none
Final state: K+ Σ0, polarization: none

Q2 : 1 GeV2
W : 1.875 GeV
ε : 0.365117

Select data slice:
cos(θ) =

Fit φ dependence:

Observable quantity measured (Y axis): dσ/dΩ, nb/sr
Plot measurement data

Parameter (X axis): φ,

Click here to get data in text file, delimited with tabs.

Click here to get calculated fit coefficients in text file, delimited with tabs.

Measured data:

cos(θ) φ dσ/dΩ,
nb/sr
Data errors,
nb/sr
-0.6 -157.5 58.487217 13.234058
-0.6 -112.5 38.004017 8.57164
-0.6 -67.5 29.735739 9.010029
-0.6 -22.5 20.747679 10.4839
-0.6 22.5 18.090567 10.877484
-0.6 67.5 34.396698 10.026249
-0.6 112.5 47.62162 9.306347
-0.6 157.5 49.85014 13.562426
-0.25 -157.5 44.953819 8.737908
-0.25 -112.5 64.958122 10.049711
-0.25 -67.5 80.285667 11.595044
-0.25 -22.5 56.386021 11.068547
-0.25 22.5 42.282425 12.741702
-0.25 67.5 62.756897 11.738805
-0.25 112.5 65.703491 9.771505
-0.25 157.5 56.649078 10.050375
0.05 -165 67.049995 12.603184
0.05 -135 85.527252 14.433754
0.05 -105 90.681671 13.201401
0.05 -75 95.483856 16.216293
0.05 -45 77.695847 15.421376
0.05 -15 62.127747 22.876389
0.05 15 75.877357 19.928602
0.05 45 95.747337 16.130424
0.05 75 85.091339 15.620914
0.05 105 79.863976 12.476422
0.05 135 86.041565 13.594274
0.05 165 55.372654 10.780008
0.35 -165 88.682785 13.02059
0.35 -135 68.610565 15.907846
0.35 -105 114.953773 15.564273
0.35 -75 77.989861 15.756487
0.35 -45 80.597549 18.633919
0.35 -15 44.667713 30.433786
0.35 15 74.189819 37.130554
0.35 45 47.216812 17.589252
0.35 75 102.960175 15.387821
0.35 105 81.672165 13.989144
0.35 135 71.347046 15.328021
0.35 165 74.298485 13.516452
0.65 -165 69.923027 13.353151
0.65 -135 67.697975 15.5055
0.65 -105 60.671078 14.963775
0.65 -75 80.338966 16.187981
0.65 -45 11.942913 31.659025
0.65 -15 0 0
0.65 15 0 0
0.65 45 32.529579 25.260038
0.65 75 91.173485 18.67531
0.65 105 57.429619 14.42397
0.65 135 45.799461 17.162596
0.65 165 66.26506 12.797147
0.9 -165 55.229424 16.416365
0.9 -135 34.882996 18.594143
0.9 -105 39.40612 29.933617
0.9 -75 9.216464 30.494724
0.9 -45 43.665066 41.480728
0.9 -15 0 0
0.9 15 0 0
0.9 45 36.547028 42.567204
0.9 75 26.617189 31.795696
0.9 105 54.595657 30.136126
0.9 135 9.166606 18.101906
0.9 165 42.594448 17.566561