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Measurement E39M208

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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 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 : 2.05 GeV2
W : 1.95 GeV
ε : 0.533745

Select data slice:
cos(θ) =

Fit φ dependence:

Observable quantity measured (Y axis): dσ/dΩ, nb/sr
Plot measurement data

Parameter (X axis): φ,

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Measured data:

cos(θ) φ dσ/dΩ,
nb/sr
Data errors,
nb/sr
-0.6 -157.5 0 0
-0.6 -112.5 0 0
-0.6 -67.5 0 0
-0.6 -22.5 0 0
-0.6 22.5 0 0
-0.6 67.5 0 0
-0.6 112.5 0 0
-0.6 157.5 0 0
-0.25 -157.5 20.272118 13.00461
-0.25 -112.5 19.783522 6.347085
-0.25 -67.5 5.386829 7.18416
-0.25 -22.5 14.240681 8.276857
-0.25 22.5 16.02342 7.342894
-0.25 67.5 25.894587 7.891565
-0.25 112.5 18.143389 7.024096
-0.25 157.5 7.470764 13.385253
0.05 -157.5 27.214142 6.784776
0.05 -112.5 31.1476 7.167096
0.05 -67.5 19.69195 8.706719
0.05 -22.5 8.628583 11.043935
0.05 22.5 22.622253 12.749229
0.05 67.5 39.481987 8.107087
0.05 112.5 34.562305 6.992668
0.05 157.5 19.908329 6.566235
0.35 -165 23.121855 9.313742
0.35 -135 19.104052 10.963812
0.35 -105 17.837469 12.076815
0.35 -75 7.361423 9.790035
0.35 -45 14.764304 15.922516
0.35 -15 0 0
0.35 15 0 0
0.35 45 23.513899 15.872439
0.35 75 18.896904 10.235911
0.35 105 19.819344 12.215168
0.35 135 14.922306 9.843866
0.35 165 24.498699 7.634939
0.65 -165 11.000495 9.227485
0.65 -135 10.172206 12.670642
0.65 -105 0.356776 12.648552
0.65 -75 22.49227 13.735848
0.65 -45 8.427002 14.772305
0.65 -15 0 0
0.65 15 0 0
0.65 45 17.047792 18.116465
0.65 75 10.855445 12.618272
0.65 105 15.218784 15.83255
0.65 135 35.069397 13.183042
0.65 165 26.556871 9.843988
0.9 -165 0.370637 13.331442
0.9 -135 20.12285 14.310889
0.9 -105 14.889042 21.949987
0.9 -75 9.985918 22.702232
0.9 -45 0 0
0.9 -15 10.052369 23.26162
0.9 15 26.382782 16.714054
0.9 45 0 0
0.9 75 0.667185 21.737925
0.9 105 16.050373 20.943949
0.9 135 12.184192 14.541014
0.9 165 3.224454 12.527009