CLAS Physics Database

Measurement E195M172

Experiment: CLAS12 RG-K
Year: 2022

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: [0.5:1.0]
Spokesperson: Daniel S. Carman
Reaction: ep → K+ Σ0
Polarization: final
Quantity: P′z
Q2: 0.4 — 1.0 GeV2
W: 1.6 — 2.4 GeV
Ebeam: 7.546 GeV
Publication:
D. S. Carman et al. (CLAS Collaboration) Beam-recoil transferred polarization in K + Y electroproduction in the nucleon resonance region with CLAS12 // https://journals.aps.org/prc/abstract/10.1103/PhysRevC.105.065201

Measurement data
W, [GeV] P′z uncertainty syst. uncert.
1.64 0.0 0.0 0.0
1.72 0.1424 0.6205 0.13872
1.8 -0.2673 0.25987 0.07015
1.88 0.0089 0.21574 0.05738
1.96 -0.05692 0.22878 0.06508
2.04 -0.32135 0.22124 0.06801
2.12 -0.18662 0.21081 0.06058
2.2 -0.45073 0.19806 0.05554
2.28 0.38072 0.19082 0.05353
2.36 -0.05216 0.18722 0.05263