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Measurement E195M94

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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: [-0.5:0.0]

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 -0.02048 0.07064 0.01776
1.72 -0.06951 0.03901 0.01475
1.8 -0.01052 0.04057 0.01621
1.88 -0.02501 0.04714 0.01914
1.96 -0.0294 0.06292 0.02498
2.04 -0.01127 0.08913 0.03088
2.12 -0.01792 0.12047 0.03957
2.2 0.05213 0.14208 0.03688
2.28 0.32712 0.20669 0.04389
2.36 -0.06092 0.29195 0.04894