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Measurement E107M1

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Experiment: Measurement of the polarized structure function for kaon electroproduction, 1999

Spokespersons: Brian Raue, Daniel Carman

Publication:

Quantity measured: σLT′,

Beam: e, polarization: polarized
Target: p (Z=1, A=1), polarization: none
Final state: K+ Λ, polarization: none

Q2 : 0.65 GeV2
W : 1.65 — 2.025 GeV

Select data slice:
W = GeV
Observable quantity measured (Y axis): σLT′,
Plot measurement data

Parameter (X axis): cos(θ),

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Measured data:

W,
GeV
cos(θ) σLT′ Data errors Systematic errors
1.65 -0.6 34.66 18.98 7.22
1.65 -0.25 44.26 17.24 7.99
1.65 0.05 11.88 17.82 5.98
1.65 0.35 26.17 17.94 6.65
1.65 0.65 -10.64 24.26 5.95
1.65 0.9 45.04 29.71 8.06
1.725 -0.6 44.45 21.64 8
1.725 -0.25 46.77 21.45 8.21
1.725 0.05 69.7 23.4 10.42
1.725 0.35 35.15 26.58 7.26
1.725 0.65 6.34 36.02 5.85
1.725 0.9 28.14 54.35 6.77
1.775 -0.6 31.8 13.94 7.02
1.775 -0.25 44.26 16.42 7.99
1.775 0.05 42.62 18.38 7.85
1.775 0.35 48.01 23.18 8.32
1.775 0.65 71.36 28.41 10.59
1.775 0.9 39.08 48.48 7.56
1.825 -0.6 39.77 13.77 7.62
1.825 -0.25 55.25 14.89 8.98
1.825 0.05 30.22 17.27 6.91
1.825 0.35 21.3 20.05 6.37
1.825 0.65 28.19 24.46 6.77
1.825 0.9 20.65 40.4 6.34
1.875 -0.6 45.02 13.64 8.05
1.875 -0.25 21.53 13.2 6.39
1.875 0.05 36.37 14.35 7.35
1.875 0.35 7.01 17.77 5.86
1.875 0.65 39.24 23.51 7.57
1.875 0.9 24.52 40.23 6.55
1.925 -0.6 24.63 11.88 6.56
1.925 -0.25 29.48 11.02 6.86
1.925 0.05 11.37 12.2 5.97
1.925 0.35 9.12 16.22 5.91
1.925 0.65 10.04 20.83 5.93
1.925 0.9 -14.86 37.09 6.09
1.975 -0.6 10.21 9.71 5.94
1.975 -0.25 2.08 9.22 5.8
1.975 0.05 -2.4 10.34 5.81
1.975 0.35 -13.79 14.88 6.05
1.975 0.65 17.99 20.22 6.22
1.975 0.9 85.1 35.74 12.05
2.025 -0.6 15.02 6.93 6.09
2.025 -0.25 9.29 6.3 5.91
2.025 0.05 4.9 9.24 5.83
2.025 0.35 16.39 13.01 6.15
2.025 0.65 23.08 17.88 6.47
2.025 0.9 -19.76 35.39 6.3