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Measurement E39M187

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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 : 1.85 GeV
ε : 0.395717

Select data slice:
cos(θ) =

Fit φ dependence:

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

Parameter (X axis): φ,

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Measured data:

cos(θ) φ dσ/dΩ,
nb/sr
Data errors,
nb/sr
-0.6 -157.5 44.769978 7.106069
-0.6 -112.5 33.042274 6.135697
-0.6 -67.5 28.629061 7.227431
-0.6 -22.5 28.132074 7.707174
-0.6 22.5 20.282991 8.869451
-0.6 67.5 34.367603 7.999355
-0.6 112.5 43.090897 6.606993
-0.6 157.5 47.237743 7.276966
-0.25 -157.5 41.616714 5.584597
-0.25 -112.5 57.440639 7.162748
-0.25 -67.5 72.114716 8.831342
-0.25 -22.5 51.002476 8.225636
-0.25 22.5 44.950916 8.653205
-0.25 67.5 56.982452 8.912246
-0.25 112.5 60.443615 6.803355
-0.25 157.5 53.80257 6.219769
0.05 -165 57.279835 8.498971
0.05 -135 70.449562 10.099381
0.05 -105 83.4674 9.454117
0.05 -75 74.221031 11.451758
0.05 -45 66.12928 10.886753
0.05 -15 66.520927 16.349566
0.05 15 61.929916 14.768663
0.05 45 79.134789 11.910609
0.05 75 78.193863 10.769313
0.05 105 72.664444 8.784534
0.05 135 72.137077 9.546977
0.05 165 58.050442 8.20235
0.35 -165 77.452316 9.113536
0.35 -135 65.332664 11.089342
0.35 -105 98.313484 10.734255
0.35 -75 72.784042 11.103546
0.35 -45 74.728416 15.481885
0.35 -15 70.656837 27.474697
0.35 15 61.803688 29.049139
0.35 45 49.702194 13.668688
0.35 75 82.103432 10.748485
0.35 105 75.162132 10.211918
0.35 135 62.99395 10.942952
0.35 165 67.173805 9.30277
0.65 -165 55.419785 8.752769
0.65 -135 66.459816 11.009431
0.65 -105 69.685692 11.906758
0.65 -75 63.303337 11.223275
0.65 -45 25.245729 21.327471
0.65 -15 0 0
0.65 15 0 0
0.65 45 34.615463 17.381012
0.65 75 66.791718 12.18573
0.65 105 53.757267 11.274914
0.65 135 44.669025 11.853028
0.65 165 54.171677 8.623586
0.9 -165 48.380367 11.638886
0.9 -135 49.24662 13.615348
0.9 -105 38.749584 19.833244
0.9 -75 46.361481 22.432396
0.9 -45 58.431648 30.768124
0.9 -15 62.840527 55.791588
0.9 15 80.663116 63.579758
0.9 45 21.442438 40.037273
0.9 75 15.879199 22.438772
0.9 105 62.850407 20.099268
0.9 135 23.869749 12.823524
0.9 165 29.67305 11.783099