CLAS Physics Database

JLab | Search | Overview | Login | Edit | Register

Measurement E195M85

You are not logged in.

Experiment: CLAS12 RG-K, 2022

Spokespersons: Daniel S. Carman

Measurement comment: Coordinate system:
    (x′,y′,z′), z′ along K+, y′ normal to hadronic plane, x′=y′ x z′
Q2 bin: [1:4.5] GeV^2
cos(θKc.m.) bin: [-1.0:-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 -0.3234 0.08525 0.01487
1.72 -0.29244 0.04879 0.01538
1.8 -0.19681 0.05076 0.01802
1.88 -0.18297 0.05016 0.01768
1.96 -0.12448 0.05579 0.02077
2.04 -0.26052 0.07539 0.02483
2.12 0.04853 0.11722 0.03915
2.2 0.16023 0.17186 0.04768
2.28 -0.35703 0.20081 0.05078
2.36 -0.00291 0.20231 0.04079