CLAS Physics Database

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Measurement E195M60

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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: [0.9:0.3] 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 :	0.3 — 0.9 GeV²
W :	1.6 — 2.4 GeV
E_beam :	6.535 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	Stat. error	Syst. error
1.64	0.11735	0.05444	0.02312
1.72	0.01252	0.02695	0.01501
1.8	0.03278	0.0256	0.01511
1.88	-0.01324	0.02458	0.01506
1.96	0.04189	0.02312	0.01497
2.04	-0.03045	0.02249	0.01503
2.12	0.01504	0.02148	0.01535
2.2	0.00962	0.02067	0.0156
2.28	0.01557	0.02141	0.01653
2.36	0.03601	0.02231	0.01694