CLAS Physics Database

Measurement E195M41

Experiment: CLAS12 RG-K
Year: 2022

Measurement comment:

P′x vs. Q2 (integrated over W, cos(θKc.m.))
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: 0.4 — 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
Q2, [GeV2] P′x uncertainty
0.45 -0.03943 0.0813
0.55 -0.01167 0.07117
0.65 0.09866 0.08001
0.75 0.19599 0.08598
0.85 0.0321 0.09458
0.95 0.26875 0.10487
1.05 -0.19726 0.11231
1.15 0.22825 0.12462
1.25 -0.13839 0.1356
1.35 0.15206 0.14927
1.45 0.07164 0.16333
1.6 0.40813 0.13431
1.8 -0.00382 0.1536
2.0 0.18029 0.18812
2.2 -0.16159 0.21951
2.4 0.05908 0.25056
2.65 0.21976 0.24612
2.95 -0.08758 0.29447
3.3 0.2625 0.33532
4.0 0.05292 0.32426