CLAS Physics Database

JLab | Search | Overview | Login | Edit | Register

Measurement E195M171

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: [1:0.4] 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 : 0.4 — 1 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 0.20142 0.42392 0.11144
1.8 -0.01396 0.1885 0.07771
1.88 0.08936 0.14479 0.05043
1.96 0.39347 0.15302 0.06005
2.04 -0.03276 0.17167 0.0676
2.12 0.45748 0.18934 0.07044
2.2 0.08227 0.20213 0.0663
2.28 -0.05595 0.23608 0.06522
2.36 -0.66744 0.2727 0.06069