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Measurement E39M178

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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 : 1.925 GeV
ε : 0.300386

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 12.790124 20.101336
-0.6 -112.5 50.090725 11.428297
-0.6 -67.5 18.411953 8.85953
-0.6 -22.5 28.492361 10.908092
-0.6 22.5 31.44763 11.438439
-0.6 67.5 29.456947 10.756086
-0.6 112.5 33.360798 10.638688
-0.6 157.5 20.446671 17.555298
-0.25 -157.5 54.329483 10.672484
-0.25 -112.5 48.406116 10.239038
-0.25 -67.5 57.40683 10.838803
-0.25 -22.5 46.307148 12.267776
-0.25 22.5 64.328491 13.708743
-0.25 67.5 54.060665 11.207759
-0.25 112.5 70.081047 10.300703
-0.25 157.5 51.930389 10.187048
0.05 -165 49.511494 12.088931
0.05 -135 52.415344 12.732131
0.05 -105 90.889046 13.713434
0.05 -75 71.982956 14.557132
0.05 -45 70.482666 12.963627
0.05 -15 65.217186 19.978109
0.05 15 33.498047 20.84026
0.05 45 92.341393 14.220552
0.05 75 85.890816 16.314999
0.05 105 76.01091 12.829861
0.05 135 74.519974 13.799962
0.05 165 73.333282 13.527882
0.35 -165 47.239975 11.874319
0.35 -135 71.537483 15.659816
0.35 -105 77.320908 13.7233
0.35 -75 66.480797 14.860659
0.35 -45 57.229271 16.470524
0.35 -15 48.53056 23.326931
0.35 15 51.84013 23.146564
0.35 45 48.502037 18.436758
0.35 75 63.462372 16.294531
0.35 105 68.259636 13.650636
0.35 135 78.432838 14.972699
0.35 165 58.897686 14.276615
0.65 -165 60.295242 14.017178
0.65 -135 60.025188 17.463652
0.65 -105 54.941341 14.627079
0.65 -75 61.436096 14.558293
0.65 -45 30.371424 20.969757
0.65 -15 0 0
0.65 15 0 0
0.65 45 62.486946 25.151926
0.65 75 42.49321 14.351221
0.65 105 41.568909 14.758291
0.65 135 43.255024 15.066004
0.65 165 53.679333 13.459573
0.9 -165 26.193405 18.068039
0.9 -135 42.847527 23.731653
0.9 -105 52.676857 32.034222
0.9 -75 44.919876 26.12999
0.9 -45 81.96315 52.462364
0.9 -15 0 0
0.9 15 0 0
0.9 45 60.756763 44.993069
0.9 75 34.005817 35.239143
0.9 105 42.397312 23.787926
0.9 135 16.511356 21.34613
0.9 165 46.870277 19.026438