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Measurement E39M170

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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 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 : 1.925 GeV
ε : 0.450599

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 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 2.318067 14.709289
-0.6 -112.5 49.83345 10.149201
-0.6 -67.5 50.398064 9.880223
-0.6 -22.5 55.798283 10.628117
-0.6 22.5 47.303116 11.474565
-0.6 67.5 52.293232 9.253355
-0.6 112.5 37.671001 8.564658
-0.6 157.5 15.931696 13.982894
-0.25 -157.5 56.522743 9.391261
-0.25 -112.5 91.94735 9.496728
-0.25 -67.5 88.358009 11.27224
-0.25 -22.5 74.371956 11.814568
-0.25 22.5 57.737617 12.805756
-0.25 67.5 91.3545 11.055266
-0.25 112.5 86.19281 9.240211
-0.25 157.5 65.217819 10.136246
0.05 -165 86.371658 11.928451
0.05 -135 97.653793 15.041715
0.05 -105 112.227333 12.450703
0.05 -75 109.429649 14.958543
0.05 -45 116.53286 13.195525
0.05 -15 68.758621 19.569355
0.05 15 64.150711 18.913513
0.05 45 116.213646 12.684751
0.05 75 114.440002 16.63233
0.05 105 131.534668 11.634258
0.05 135 97.983505 14.113233
0.05 165 82.049423 11.713513
0.35 -165 111.162727 13.527575
0.35 -135 112.129379 15.800567
0.35 -105 102.996284 12.186506
0.35 -75 126.954979 17.429066
0.35 -45 76.940895 13.12934
0.35 -15 82.679596 22.450857
0.35 15 42.697422 23.372099
0.35 45 91.402885 14.705275
0.35 75 95.265884 16.106209
0.35 105 112.673569 11.58675
0.35 135 97.124237 16.836966
0.35 165 93.040634 13.436367
0.65 -165 95.044586 14.069988
0.65 -135 61.376266 19.069399
0.65 -105 76.657784 14.098381
0.65 -75 67.441811 13.765654
0.65 -45 63.317238 26.61603
0.65 -15 0 0
0.65 15 0 0
0.65 45 75.942169 28.025522
0.65 75 85.750076 13.926721
0.65 105 95.590324 14.681537
0.65 135 62.125332 17.813034
0.65 165 103.422707 14.254985
0.9 -165 69.743889 17.494974
0.9 -135 68.002403 23.358814
0.9 -105 73.898476 33.40411
0.9 -75 29.135452 33.555893
0.9 -45 77.947739 62.789738
0.9 -15 0 0
0.9 15 0 0
0.9 45 34.711227 81.209915
0.9 75 43.885956 28.642088
0.9 105 67.910919 27.469709
0.9 135 49.262028 23.576292
0.9 165 80.146767 18.121674