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Measurement E39M172

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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 : 0.65 GeV2
W : 2.05 GeV
ε : 0.279134

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 14.470448 6.211251
-0.6 -112.5 13.880817 4.172122
-0.6 -67.5 20.933323 3.417355
-0.6 -22.5 12.127727 4.162831
-0.6 22.5 2.914176 4.468429
-0.6 67.5 16.162794 3.789718
-0.6 112.5 10.732574 4.048077
-0.6 157.5 11.470448 6.497475
-0.25 -157.5 22.448481 5.520628
-0.25 -112.5 33.369656 4.036118
-0.25 -67.5 32.904224 4.56277
-0.25 -22.5 20.830153 5.148769
-0.25 22.5 30.112503 5.70488
-0.25 67.5 32.155048 4.011852
-0.25 112.5 31.812346 4.307629
-0.25 157.5 17.88788 5.371945
0.05 -165 45.617165 7.346694
0.05 -135 41.490147 7.033816
0.05 -105 55.747639 6.253654
0.05 -75 49.350723 7.950978
0.05 -45 51.297581 5.749055
0.05 -15 21.939526 8.287116
0.05 15 27.429272 8.792896
0.05 45 50.112274 5.94843
0.05 75 52.220135 7.200307
0.05 105 59.478958 6.411915
0.05 135 43.740948 6.763273
0.05 165 43.344376 7.131748
0.35 -165 53.455608 8.228821
0.35 -135 47.389946 8.306844
0.35 -105 43.965298 6.747661
0.35 -75 44.17503 7.636697
0.35 -45 51.180222 7.112118
0.35 -15 29.280651 11.114061
0.35 15 30.720932 13.118125
0.35 45 54.367569 7.054295
0.35 75 55.584274 8.502817
0.35 105 61.359177 6.947393
0.35 135 56.015823 8.357281
0.35 165 46.562447 8.287244
0.65 -165 68.542145 10.074763
0.65 -135 48.721668 11.337444
0.65 -105 63.810741 8.956167
0.65 -75 39.120132 10.597743
0.65 -45 38.163628 12.04068
0.65 -15 53.832981 29.341684
0.65 15 39.543549 21.419306
0.65 45 29.601065 13.065692
0.65 75 46.161716 10.12575
0.65 105 57.686649 8.343433
0.65 135 55.483204 11.311713
0.65 165 62.670803 10.56235
0.9 -165 49.192577 14.712851
0.9 -135 52.166748 21.099743
0.9 -105 65.120399 19.574903
0.9 -75 43.480713 23.728992
0.9 -45 0 0
0.9 -15 0 0
0.9 15 0 0
0.9 45 0 0
0.9 75 48.248524 18.536734
0.9 105 56.587639 22.41205
0.9 135 45.121716 20.456175
0.9 165 40.162724 15.291125