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Measurement E195M91

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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: [1:0.4] GeV^2
cos(θKc.m.) bin: [0.0:0.5]

Publication:

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 — 1 GeV2
W : 1.6 — 2.4 GeV
Ebeam : 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 -0.13068 0.05434 0.01799
1.72 -0.0933 0.0319 0.01695
1.8 -0.01483 0.03286 0.01952
1.88 0.01743 0.03663 0.02504
1.96 -0.03346 0.03851 0.02399
2.04 0.0801 0.04064 0.02338
2.12 0.08227 0.04449 0.02392
2.2 -0.01785 0.04945 0.0226
2.28 -0.02654 0.05596 0.02043
2.36 -0.08034 0.06542 0.02037