CLAS Physics Database

Measurement E195M28

Experiment: CLAS12 RG-K
Year: 2022

Measurement comment:

P′x 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′x
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′x uncertainty
-0.96 1.0 0.44706
-0.88 0.00383 0.12458
-0.8 -0.02424 0.10495
-0.72 -0.1018 0.10291
-0.64 0.06155 0.09788
-0.56 0.25855 0.09596
-0.48 0.19933 0.09386
-0.4 0.056 0.09088
-0.32 -0.01394 0.0876
-0.24 0.02886 0.08495
-0.16 0.0279 0.08245
-0.08 -0.22557 0.08063
0.0 -0.02809 0.07923
0.08 0.03327 0.07705
0.16 0.03891 0.07673
0.24 -0.00234 0.07491
0.32 0.10879 0.07227
0.4 0.12306 0.07021
0.48 0.00865 0.06914
0.56 0.11166 0.06838
0.64 0.01469 0.0689
0.72 -0.10934 0.07159
0.8 0.18807 0.07925
0.88 0.27519 0.10206
0.96 0.03745 0.14243