CLAS Physics Database

Measurement E195M94

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: [1:4.5] GeV^2
cos(θKc.m.) bin: [-0.5:0.0]
Spokesperson: Daniel S. Carman
Reaction: ep → K+ Λ
Polarization: final
Quantity: P′x
Q2: 1.0 — 4.5 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 -0.02048 0.07064 0.01776
1.72 -0.06951 0.03901 0.01475
1.8 -0.01052 0.04057 0.01621
1.88 -0.02501 0.04714 0.01914
1.96 -0.0294 0.06292 0.02498
2.04 -0.01127 0.08913 0.03088
2.12 -0.01792 0.12047 0.03957
2.2 0.05213 0.14208 0.03688
2.28 0.32712 0.20669 0.04389
2.36 -0.06092 0.29195 0.04894