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Measurement E209M36

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Experiment: CLAS12 RG-K K+Y recoil polarization, 2025

Spokespersons: Daniel S. Carman

Measurement comment: cos(θKc.m.) bin: [0.5: 1.0]

Publication:

Quantity measured: P0y,
y projection of recoil polarization P0; 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 : 1.625 — 2.4 GeV
Ebeam : 6.535 GeV

Observable quantity measured (Y axis): P0y,
Plot measurement data

Parameter (X axis): W, GeV

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

Measured data:

W,
GeV
P0y Data errors Systematic errors
1.64 -0.0369 0.0657 0.0173
1.72 -0.04 0.0267 0.0173
1.8 -0.0992 0.0243 0.0173
1.88 -0.1541 0.0227 0.0174
1.96 -0.2103 0.0222 0.0175
2.04 -0.2079 0.022 0.0175
2.12 -0.2048 0.0215 0.0175
2.2 -0.1917 0.0207 0.0174
2.28 -0.2307 0.0214 0.0175
2.36 -0.239 0.023 0.0175