CLAS Physics Database

JLab | Search | Overview | Login | Edit | Register

Measurement E209M31

You are not logged in.

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

Spokespersons: Daniel S. Carman

Measurement comment: cos(θKc.m.) bin: [0.0: 0.5]

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 : 0.9 — 3.5 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 0.0795 0.0509 0.0173
1.72 0.0233 0.0219 0.0173
1.8 -0.0293 0.022 0.0173
1.88 0.0175 0.0257 0.0173
1.96 -0.0823 0.0311 0.0173
2.04 -0.1498 0.035 0.0174
2.12 -0.1169 0.0392 0.0173
2.2 -0.0468 0.0449 0.0173
2.28 0.0342 0.0516 0.0173
2.36 0.0214 0.0605 0.0173