CLAS Physics Database

Measurement E195M34

Experiment: CLAS12 RG-K
Year: 2022

Measurement comment:

P′z vs. cos(θKc.m.) (integrated over Q2, W)
Coordinate system:
    (x,y,z), z along virtual photon direction, y normal to electron scattering plane, x=y x z
Spokesperson: Daniel S. Carman
Reaction: ep → K+ Σ0
Polarization: final
Quantity: P′z
Q2: 0.3 — 3.5 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
cos(θKc.m.) P′z uncertainty
-0.96 1.0 0.45826
-0.88 -0.14962 0.12682
-0.8 -0.1758 0.1088
-0.72 0.22724 0.10618
-0.64 -0.10077 0.10014
-0.56 -0.02482 0.0992
-0.48 -0.04719 0.09618
-0.4 0.20667 0.09372
-0.32 0.19218 0.09041
-0.24 -0.12634 0.0881
-0.16 0.19022 0.08559
-0.08 0.02324 0.08406
0.0 -0.17696 0.08226
0.08 0.09356 0.08061
0.16 0.19892 0.07952
0.24 -0.19062 0.07823
0.32 -0.1812 0.07655
0.4 -0.21218 0.07396
0.48 -0.19936 0.07245
0.56 -0.29524 0.07262
0.64 -0.10672 0.07342
0.72 -0.40674 0.07734
0.8 -0.27038 0.08747
0.88 -0.61361 0.11654
0.96 -0.42142 0.18489