CLAS Physics Database

JLab | Search | Overview | Login | Edit | Register

Measurement E39M181

You are not logged in.

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 : 1.75 GeV
ε : 0.635546

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 view sliced data.

Your browser must support Java to use this feature.
You can find appropriate software at www.java.com

Click here to view 3D plot of the data.

Your must have VRML plugin for your browser installed to see this type of 3D plots.
For some types of browsers you can find it here: www.parallelgraphics.com

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 9.39005 6.846799
-0.6 -112.5 10.108874 6.740891
-0.6 -67.5 20.204679 9.205997
-0.6 -22.5 7.337122 10.673108
-0.6 22.5 13.595669 13.33849
-0.6 67.5 20.47233 9.406471
-0.6 112.5 19.59944 6.949112
-0.6 157.5 16.044399 7.681527
-0.25 -157.5 21.370211 6.155817
-0.25 -112.5 43.194225 7.385323
-0.25 -67.5 37.392513 8.594992
-0.25 -22.5 24.209927 11.295113
-0.25 22.5 27.196972 11.534348
-0.25 67.5 27.753462 9.039396
-0.25 112.5 28.4825 7.310189
-0.25 157.5 22.878571 6.274969
0.05 -165 27.047455 6.65664
0.05 -135 26.749134 8.964438
0.05 -105 40.099976 8.455393
0.05 -75 45.630581 8.263352
0.05 -45 52.181061 15.420139
0.05 -15 22.88961 20.085306
0.05 15 36.975685 17.872286
0.05 45 28.448151 14.006792
0.05 75 38.376915 8.201839
0.05 105 40.399689 8.612106
0.05 135 39.965778 10.542323
0.05 165 29.914639 7.375681
0.35 -165 32.915005 7.18927
0.35 -135 28.349588 9.954746
0.35 -105 51.630009 10.094451
0.35 -75 36.059208 8.594336
0.35 -45 31.121796 14.840772
0.35 -15 0 0
0.35 15 0 0
0.35 45 32.958263 14.207178
0.35 75 52.519764 8.945806
0.35 105 45.725693 9.34507
0.35 135 36.257072 10.740765
0.35 165 24.458586 7.372336
0.65 -165 36.037514 7.212125
0.65 -135 28.884813 11.990169
0.65 -105 48.473648 14.561095
0.65 -75 40.351181 11.139151
0.65 -45 19.996283 15.498991
0.65 -15 0 0
0.65 15 0 0
0.65 45 42.570507 19.145617
0.65 75 46.958923 10.913936
0.65 105 50.428555 13.991076
0.65 135 28.330292 10.355112
0.65 165 35.298409 7.443266
0.9 -165 23.901815 9.993767
0.9 -135 34.254757 11.729333
0.9 -105 27.425453 15.394658
0.9 -75 29.182858 20.037842
0.9 -45 4.84364 20.556259
0.9 -15 26.064846 19.073078
0.9 15 26.053795 17.510908
0.9 45 15.674164 16.075428
0.9 75 32.156734 17.332798
0.9 105 39.01265 17.614159
0.9 135 30.610685 11.355324
0.9 165 20.375174 10.150122