CLAS Physics Database

JLab | Search | Overview | Login | Edit | Register

Measurement E195M137

You are not logged in.

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: [-1.0:-0.5]

Publication:

Quantity measured: P′z,
z 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+ Σ0, polarization: polarized

Q2 : 0.3 — 0.9 GeV2
W : 1.6 — 2.4 GeV
Ebeam : 6.535 GeV

Observable quantity measured (Y axis): P′z,
Plot measurement data

Parameter (X axis): W, GeV

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

Measured data:

W,
GeV
P′z Data errors Systematic errors
1.64 0 0 0
1.72 0.03536 0.44253 0.13792
1.8 0.34938 0.17233 0.10999
1.88 0.05866 0.11449 0.07442
1.96 0.04768 0.11662 0.08376
2.04 -0.28792 0.14426 0.10018
2.12 -0.13776 0.15997 0.09869
2.2 0.54901 0.16682 0.08325
2.28 -0.01097 0.18759 0.07892
2.36 -0.09787 0.24784 0.09921