CLAS Physics Database

JLab | Search | Overview | Login | Edit | Register

Measurement E39M190

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 section were extracted by combining yields of the data pertaining to two different beam energies, 4.056 and 4.247 GeV.

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 : 0.827921

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 9.292393 7.705645
-0.6 -112.5 5.91312 9.170382
-0.6 -67.5 29.120405 10.21323
-0.6 -22.5 6.816223 29.651529
-0.6 22.5 32.816116 18.344774
-0.6 67.5 3.412656 10.064624
-0.6 112.5 1.94247 9.282107
-0.6 157.5 13.201708 9.319738
-0.25 -157.5 6.350514 8.442188
-0.25 -112.5 4.291597 12.53725
-0.25 -67.5 35.128437 10.232864
-0.25 -22.5 22.338711 16.12158
-0.25 22.5 32.527401 26.712942
-0.25 67.5 21.755594 12.396015
-0.25 112.5 13.122476 13.540302
-0.25 157.5 5.293158 6.7718
0.05 -157.5 12.7403 8.361227
0.05 -112.5 31.670876 14.804683
0.05 -67.5 38.063831 11.505234
0.05 -22.5 8.892157 18.268967
0.05 22.5 19.352711 10.818501
0.05 67.5 25.427837 10.211213
0.05 112.5 10.945725 14.503492
0.05 157.5 18.872517 8.030823
0.35 -165 10.096884 12.019935
0.35 -135 14.215265 13.1485
0.35 -105 23.709114 19.290539
0.35 -75 44.738503 18.034737
0.35 -45 6.482684 14.051028
0.35 -15 0 0
0.35 15 18.194494 16.081818
0.35 45 20.04089 14.963151
0.35 75 14.337532 14.425598
0.35 105 5.632513 15.132745
0.35 135 16.792999 13.203583
0.35 165 14.343998 9.181145
0.65 -165 15.857796 10.656567
0.65 -135 22.112148 13.180161
0.65 -105 0 0
0.65 -75 27.006601 16.879133
0.65 -45 48.442997 27.080473
0.65 -15 6.871563 22.322615
0.65 15 20.754963 18.102207
0.65 45 30.105856 52.222137
0.65 75 0 0
0.65 105 8.726535 16.856934
0.65 135 20.631338 13.029392
0.65 165 22.635221 11.868862
0.9 -165 18.967846 17.762785
0.9 -135 2.324143 18.784863
0.9 -105 5.183764 15.451606
0.9 -75 0 0
0.9 -45 14.055886 22.327911
0.9 -15 24.548813 14.857861
0.9 15 0 0
0.9 45 0.340664 20.532013
0.9 75 0 0
0.9 105 2.506861 17.229132
0.9 135 34.673901 15.450043
0.9 165 1.23205 15.077736