CLAS Physics Database

Measurement E195M90

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: [-0.5:0.0]
Spokesperson: Daniel S. Carman
Reaction: ep → K+ Λ
Polarization: final
Quantity: P′x
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′x uncertainty syst. uncert.
1.64 0.02097 0.04979 0.01491
1.72 -0.00711 0.0308 0.01519
1.8 -0.01369 0.0325 0.01845
1.88 0.00621 0.03683 0.02572
1.96 0.03164 0.04531 0.03146
2.04 -0.0007 0.05989 0.03631
2.12 -0.04759 0.08015 0.04262
2.2 0.00553 0.10285 0.04394
2.28 0.17208 0.16246 0.05538
2.36 0.32737 0.21598 0.06006