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Measurement E39M175

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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 : 1.775 GeV
ε : 0.480362

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 5.528203 8.275567
-0.6 -112.5 17.034115 7.036292
-0.6 -67.5 9.696189 11.167864
-0.6 -22.5 21.181107 13.475585
-0.6 22.5 14.27521 12.564961
-0.6 67.5 17.604397 10.409566
-0.6 112.5 13.206545 8.263711
-0.6 157.5 16.518797 8.458397
-0.25 -157.5 24.228128 6.767251
-0.25 -112.5 31.61072 8.389005
-0.25 -67.5 29.068092 8.908955
-0.25 -22.5 21.262972 10.792749
-0.25 22.5 32.935059 14.894627
-0.25 67.5 29.979424 10.725652
-0.25 112.5 25.442133 7.378098
-0.25 157.5 25.733603 6.714979
0.05 -165 14.821316 7.364645
0.05 -135 30.406378 11.264648
0.05 -105 31.926718 9.400038
0.05 -75 44.095913 11.000731
0.05 -45 33.010174 17.9762
0.05 -15 0 0
0.05 15 0 0
0.05 45 22.208826 22.113316
0.05 75 47.067081 11.101378
0.05 105 23.137074 9.80311
0.05 135 27.59001 11.61792
0.05 165 26.51371 8.827462
0.35 -165 32.418102 9.30744
0.35 -135 33.729286 11.752634
0.35 -105 47.335407 12.961795
0.35 -75 37.073303 11.149424
0.35 -45 29.140423 18.856504
0.35 -15 0 0
0.35 15 0 0
0.35 45 45.99258 20.628536
0.35 75 38.251999 10.658992
0.35 105 38.309311 13.325355
0.35 135 35.548988 11.806922
0.35 165 33.765141 8.720797
0.65 -165 36.887913 11.068324
0.65 -135 41.795513 14.957466
0.65 -105 41.35183 13.956624
0.65 -75 38.951729 15.927661
0.65 -45 26.589447 23.493774
0.65 -15 0 0
0.65 15 0 0
0.65 45 19.433031 29.830935
0.65 75 29.492586 14.667248
0.65 105 12.121813 15.715454
0.65 135 48.10347 15.325662
0.65 165 32.161434 10.154294
0.9 -165 44.180107 13.75864
0.9 -135 15.299429 17.45743
0.9 -105 23.620796 20.969307
0.9 -75 29.147497 22.240288
0.9 -45 17.081526 33.439804
0.9 -15 1.289069 36.939434
0.9 15 40.219669 32.236118
0.9 45 50.55138 27.586599
0.9 75 31.33107 21.798862
0.9 105 25.841873 19.083168
0.9 135 21.387865 15.460116
0.9 165 24.897957 12.97548