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Measurement E195M95

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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(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 : 1 — 4.5 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 -0.03128 0.06189 0.02689
1.72 -0.09358 0.03376 0.01483
1.8 0.03067 0.03439 0.01509
1.88 -0.04033 0.04071 0.01656
1.96 -0.01547 0.04971 0.02048
2.04 -0.01859 0.05386 0.01968
2.12 -0.0739 0.06068 0.01846
2.2 -0.06745 0.06857 0.01745
2.28 -0.01064 0.07753 0.01779
2.36 0.03695 0.08397 0.017