CLAS Physics Database

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Measurement E195M96

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Experiment: CLAS12 RG-K, 2022

Spokespersons: Daniel S. Carman

Measurement comment: Coordinate system:
(x,y,z), z along virtual photon direction, y normal to electron scattering plane, x=y x z
Q² bin: [1:4.5] GeV^2
cos(θ_K^c.m.) bin: [0.5:1.0]

Publication:

D. S. Carman et al. (CLAS Collaboration) Beam-recoil transferred polarization in K + Y electroproduction in the nucleon resonance region with CLAS12 // https://journals.aps.org/prc/abstract/10.1103/PhysRevC.105.065201

Quantity measured: P′_x,
x projection of beam-recoil transferred polarization P′ in (x,y,z) system
Beam: e, polarization: none
Target: p (Z=1, A=1), polarization: none
Final state: K⁺ Λ, polarization: polarized

Q² :	1 — 4.5 GeV²
W :	1.6 — 2.4 GeV
E_beam :	7.546 GeV

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

Parameter (X axis): W, GeV

Click here to get data in text file, delimited with tabs.

Measured data:

W, GeV	P′_x	Data errors	Systematic errors
1.64	0.06218	0.06021	0.02539
1.72	0.05208	0.02798	0.0146
1.8	0.05248	0.0266	0.01469
1.88	0.00313	0.02912	0.01512
1.96	0.04371	0.03253	0.01649
2.04	-0.04023	0.03672	0.01732
2.12	0.00299	0.03706	0.01594
2.2	-0.03563	0.03944	0.01625
2.28	-0.07056	0.04362	0.01654
2.36	0.03282	0.04547	0.01655