CLAS Physics Database

Measurement E195M57

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: [0.9:0.3] GeV^2
cos(θKc.m.) bin: [-1.0:-0.5]
Spokesperson: Daniel S. Carman
Reaction: ep → K+ Λ
Polarization: final
Quantity: P′x
Q2: 0.3 — 0.9 GeV2
W: 1.6 — 2.4 GeV
Ebeam: 6.535 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 -0.00174 0.05155 0.01751
1.72 -0.04653 0.02833 0.01986
1.8 -0.07513 0.02573 0.02269
1.88 -0.02298 0.02159 0.02016
1.96 -0.03004 0.02139 0.02031
2.04 0.03954 0.0292 0.02513
2.12 -0.08901 0.04345 0.03453
2.2 -0.11537 0.05538 0.04026
2.28 0.02304 0.06025 0.03596
2.36 0.001 0.06773 0.03376