CLAS Physics Database

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Measurement E195M16

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Experiment: CLAS12 RG-K, 2022

Spokespersons: Daniel S. Carman

Measurement comment: P′_x vs. cos(θ_K^c.m.) (integrated over Q², W)
Coordinate system:
(x,y,z), z along virtual photon direction, y normal to electron scattering plane, x=y x z

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 :	0.4 — 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): cos(θ_K^c.m.),

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

Measured data:

cos(θ_K^c.m.)	P′_x	Data errors	Systematic errors
-0.96	-0.0009	0.12068	0.02439
-0.88	0.04131	0.03873	0.02265
-0.8	-0.01035	0.03147	0.02008
-0.72	-0.01862	0.03046	0.0189
-0.64	-0.03102	0.0304	0.01943
-0.56	-0.06051	0.03102	0.01973
-0.48	-0.02231	0.03158	0.02013
-0.4	-0.00328	0.03139	0.02046
-0.32	-0.02523	0.03132	0.02071
-0.24	-0.0072	0.03077	0.02109
-0.16	0.02038	0.02988	0.02035
-0.08	-0.01688	0.02944	0.02172
0	-0.06884	0.0284	0.02068
0.08	-0.05705	0.02743	0.01956
0.16	-0.04053	0.02683	0.01914
0.24	0.00355	0.02589	0.01827
0.32	-0.02399	0.02496	0.01776
0.4	-0.01352	0.02314	0.01646
0.48	0.00697	0.02172	0.01574
0.56	-0.05329	0.02016	0.01544
0.64	0.00332	0.01935	0.01511
0.72	0.03263	0.01873	0.01532
0.8	0.01969	0.01877	0.01537
0.88	0.06314	0.02075	0.0158
0.96	0.09422	0.02515	0.01697