CLAS Physics Database

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Measurement E195M58

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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: [-0.5:0.0]

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	0.04711	0.03275	0.01627
1.72	-0.03878	0.01966	0.01589
1.8	-0.0509	0.01994	0.01802
1.88	-0.04192	0.02141	0.02401
1.96	-0.02858	0.02553	0.02955
2.04	0.00246	0.03388	0.03354
2.12	-0.05297	0.04253	0.03711
2.2	-0.0522	0.06147	0.04582
2.28	0.16335	0.0757	0.04679
2.36	0.04774	0.10733	0.05557