CLAS Physics Database

JLab | Search | Overview | Login | Edit | Register

Measurement E195M175

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: [1:4.5] GeV^2
cos(θKc.m.) bin: [0.0:0.5]

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 : 1 — 4.5 GeV2
W : 1.6 — 2.4 GeV
Ebeam : 7.546 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 0.11268 0.78165 0.16406
1.8 -0.22563 0.19923 0.08229
1.88 -0.45394 0.17523 0.05314
1.96 -0.06711 0.20833 0.06147
2.04 -0.44963 0.25838 0.06884
2.12 0.4129 0.2914 0.07706
2.2 -0.87702 0.32275 0.07094
2.28 -0.74984 0.36758 0.06579
2.36 -0.12141 0.42104 0.06605