CLAS Physics Database

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Measurement E107M2

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

Spokespersons: Brian Raue, Daniel Carman

Publication:

R. Nasseripour, B. Raue, D. Carman, P. Ambrozewicz Polarized structure function σ_LT' for p(e,e'K⁺)Λ in the nucleon resonance region // PRC 77, 065208 (2008)

Quantity measured: σ_LT′,

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

Q² :	1 GeV²
W :	1.65 — 1.975 GeV

Select data slice:
W = GeV

Observable quantity measured (Y axis): σ_LT′,
Plot measurement data

Parameter (X axis): cos(θ),

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Measured data:

W, GeV	cos(θ)	σ_LT′	Data errors
1.65	-0.6	37.28	15.47
1.65	-0.25	78.79	13.28
1.65	0.05	184.01	31.03
1.65	0.35	60.76	13.28
1.65	0.65	6.89	16.31
1.65	0.9	-27.3	21.34
1.725	-0.6	81.52	17.05
1.725	-0.25	57.47	15.86
1.725	0.05	17.65	17.45
1.725	0.35	-5.41	20.5
1.725	0.65	2.94	27.21
1.725	0.9	-94.29	43.63
1.775	-0.6	16.4	11.08
1.775	-0.25	33.75	14.08
1.775	0.05	13.25	16.77
1.775	0.35	20.29	19.18
1.775	0.65	31.9	24.46
1.775	0.9	4.75	39.19
1.825	-0.6	13.38	9.76
1.825	-0.25	29.79	12.28
1.825	0.05	48.35	14.77
1.825	0.35	16.43	17.55
1.825	0.65	10.19	22.89
1.825	0.9	-12.22	35.3
1.875	-0.6	20.95	13.74
1.875	-0.25	49.52	12.65
1.875	0.05	67.02	13.69
1.875	0.35	-80.01	17.49
1.875	0.65	-37.87	21.64
1.875	0.9	31.11	33.78
1.925	-0.6	29.23	7.99
1.925	-0.25	103.35	7.6
1.925	0.05	-92.29	12.12
1.925	0.35	-12.7	18.21
1.925	0.65	3.88	23.76
1.925	0.9	27.12	40.75
1.975	-0.6	28.51	14.31
1.975	-0.25	18.98	9.56
1.975	0.05	23.19	16.1
1.975	0.35	20.11	23.35
1.975	0.65	64.61	31.53
1.975	0.9	32.47	46.83