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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(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 : 0.3 — 0.9 GeV2
W : 1.6 — 2.4 GeV
Ebeam : 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 Data errors Systematic errors
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