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Measurement E39M188

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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 : 1.95 GeV
ε : 0.266294

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 6.534801 14.411789
-0.6 -112.5 35.532475 7.244988
-0.6 -67.5 22.625999 6.181395
-0.6 -22.5 19.139532 6.985944
-0.6 22.5 20.921221 7.49749
-0.6 67.5 26.495724 6.735629
-0.6 112.5 27.588184 7.075593
-0.6 157.5 10.598256 13.937954
-0.25 -157.5 47.226032 7.444772
-0.25 -112.5 40.301823 6.912307
-0.25 -67.5 45.954979 7.49583
-0.25 -22.5 33.501965 7.817504
-0.25 22.5 55.941158 9.227782
-0.25 67.5 48.870544 7.554586
-0.25 112.5 52.193443 7.057729
-0.25 157.5 43.788429 7.703312
0.05 -165 45.369015 9.004261
0.05 -135 53.33218 9.173349
0.05 -105 75.289246 9.298517
0.05 -75 66.256882 10.157506
0.05 -45 65.796646 8.972572
0.05 -15 50.961803 12.683697
0.05 15 42.114979 14.380713
0.05 45 74.150749 9.495429
0.05 75 70.18 10.933287
0.05 105 64.236702 8.984724
0.05 135 72.654274 10.033346
0.05 165 64.381805 10.439901
0.35 -165 48.553246 8.597554
0.35 -135 68.598442 11.121569
0.35 -105 65.545967 9.55623
0.35 -75 60.483742 10.80748
0.35 -45 44.843658 11.384096
0.35 -15 26.997023 18.352249
0.35 15 41.887959 17.092192
0.35 45 49.817463 11.503945
0.35 75 54.784824 11.45034
0.35 105 52.012245 9.238392
0.35 135 59.257542 10.000989
0.35 165 52.480915 10.127286
0.65 -165 48.16259 10.172052
0.65 -135 56.853039 12.499124
0.65 -105 50.694721 10.766822
0.65 -75 47.247845 11.632861
0.65 -45 18.770515 18.24449
0.65 -15 0 0
0.65 15 0 0
0.65 45 44.062458 19.187273
0.65 75 39.206192 11.771175
0.65 105 39.831394 11.166583
0.65 135 51.160469 11.859917
0.65 165 52.055683 10.790725
0.9 -165 25.757769 14.182871
0.9 -135 35.876278 17.390104
0.9 -105 39.699451 21.018364
0.9 -75 29.960714 21.547882
0.9 -45 90.691833 47.576576
0.9 -15 0 0
0.9 15 0 0
0.9 45 101.81353 50.435261
0.9 75 36.77264 24.665323
0.9 105 22.772541 21.682505
0.9 135 18.135794 17.285793
0.9 165 47.431076 15.064148