CLAS Physics Database

JLab | Search | Overview | Login | Edit | Register

Measurement E39M198

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 : 1.55 GeV2
W : 1.75 GeV
ε : 0.743923

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 2.065127 4.845891
-0.6 -112.5 0 0
-0.6 -67.5 8.133817 7.834762
-0.6 -22.5 4.527328 5.659162
-0.6 22.5 18.097612 11.311015
-0.6 67.5 8.250005 7.463346
-0.6 112.5 3.554481 7.980483
-0.6 157.5 10.245361 6.827119
-0.25 -157.5 18.437002 6.406651
-0.25 -112.5 14.934878 9.466632
-0.25 -67.5 7.058254 6.732692
-0.25 -22.5 19.027197 18.39398
-0.25 22.5 13.164915 17.341539
-0.25 67.5 15.558357 6.659974
-0.25 112.5 12.596579 9.108954
-0.25 157.5 13.294738 5.884162
0.05 -157.5 14.372639 5.946297
0.05 -112.5 11.784634 11.231019
0.05 -67.5 13.237677 9.008039
0.05 -22.5 28.13361 16.313679
0.05 22.5 11.579003 7.236883
0.05 67.5 4.861801 7.255682
0.05 112.5 17.37117 8.68745
0.05 157.5 10.161745 6.375957
0.35 -165 15.092665 8.337309
0.35 -135 12.747712 8.804319
0.35 -105 6.448724 10.19805
0.35 -75 0 0
0.35 -45 15.85433 8.862847
0.35 -15 23.086908 14.429329
0.35 15 11.520251 10.182564
0.35 45 22.131844 19.29458
0.35 75 26.484245 14.678002
0.35 105 8.058729 11.037053
0.35 135 13.843528 8.834787
0.35 165 6.85165 7.259517
0.65 -165 10.098008 7.703066
0.65 -135 4.930353 9.081104
0.65 -105 1.138941 17.057495
0.65 -75 0 0
0.65 -45 0 0
0.65 -15 7.476988 17.477516
0.65 15 13.627906 12.834166
0.65 45 15.23502 22.685154
0.65 75 0 0
0.65 105 0 0
0.65 135 6.92423 8.367022
0.65 165 15.088968 7.731482
0.9 -165 6.049901 12.254962
0.9 -135 16.347372 14.318942
0.9 -105 10.53113 17.456236
0.9 -75 12.358836 15.424229
0.9 -45 0.818754 15.08668
0.9 -15 5.967615 15.687428
0.9 15 10.202661 15.838799
0.9 45 0 0
0.9 75 5.404397 18.137022
0.9 105 1.523076 11.276521
0.9 135 2.871801 14.064581
0.9 165 5.898118 10.153117