CLAS Physics Database

JLab | Search | Overview | Login | Edit | Register

Measurement E39M188

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 : 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 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 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