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Measurement E39M186

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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 : 1.75 GeV
ε : 0.506208

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 12.174913 5.394873
-0.6 -112.5 15.889301 5.284284
-0.6 -67.5 8.357151 7.436906
-0.6 -22.5 16.555 11.501096
-0.6 22.5 6.885099 12.038506
-0.6 67.5 9.539171 7.908963
-0.6 112.5 6.335303 6.057328
-0.6 157.5 12.623096 5.340661
-0.25 -157.5 20.261858 4.699955
-0.25 -112.5 24.921646 5.915699
-0.25 -67.5 21.321407 6.629103
-0.25 -22.5 17.818697 8.593302
-0.25 22.5 23.244417 12.632703
-0.25 67.5 23.679976 7.581768
-0.25 112.5 19.291151 5.957326
-0.25 157.5 19.453659 4.557271
0.05 -165 14.656794 5.250943
0.05 -135 20.971897 7.239462
0.05 -105 24.302908 6.772134
0.05 -75 27.10261 7.714742
0.05 -45 28.418964 12.775002
0.05 -15 0 0
0.05 15 0 0
0.05 45 15.614745 13.396431
0.05 75 36.821342 7.989655
0.05 105 21.8559 7.189884
0.05 135 21.406179 7.125974
0.05 165 20.462578 5.784142
0.35 -165 24.570097 6.068416
0.35 -135 29.716099 7.646162
0.35 -105 37.017208 9.188955
0.35 -75 33.169441 8.484715
0.35 -45 20.103987 13.766538
0.35 -15 0 0
0.35 15 0 0
0.35 45 29.62612 15.437152
0.35 75 25.681372 8.156397
0.35 105 23.844337 8.646608
0.35 135 25.219114 8.167413
0.35 165 29.310246 5.832563
0.65 -165 24.450872 6.264559
0.65 -135 29.044676 9.009852
0.65 -105 26.728607 9.7415
0.65 -75 27.139442 11.104911
0.65 -45 18.492992 16.270485
0.65 -15 0 0
0.65 15 84.116631 44.450062
0.65 45 9.172463 18.458059
0.65 75 19.388678 10.54165
0.65 105 12.421401 9.80027
0.65 135 35.698257 9.16876
0.65 165 21.074179 6.178047
0.9 -165 23.073978 9.63371
0.9 -135 14.049021 10.611382
0.9 -105 13.006156 13.326759
0.9 -75 30.256744 13.40806
0.9 -45 3.169624 17.908125
0.9 -15 0.000388 34.817692
0.9 15 0.000362 33.242836
0.9 45 11.085325 19.21376
0.9 75 13.26072 14.506543
0.9 105 18.231319 12.425878
0.9 135 16.169621 9.271634
0.9 165 22.961575 8.789471