CLAS Physics Database

Measurement E195M17

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+ Λ
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 syst. uncert.
0.45 0.01311 0.01911 0.02432
0.55 -0.00019 0.01504 0.01994
0.65 -0.01577 0.01578 0.01925
0.75 0.01866 0.01681 0.01871
0.85 0.02018 0.01794 0.01858
0.95 0.00774 0.01932 0.0179
1.05 -0.06366 0.02067 0.01734
1.15 -0.05704 0.02257 0.01777
1.25 0.00627 0.02465 0.01845
1.35 -0.02316 0.02623 0.0171
1.45 -0.02376 0.0282 0.01678
1.6 0.03446 0.02235 0.01666
1.8 -0.02136 0.0262 0.01707
2.0 -0.01306 0.0305 0.01651
2.2 0.05613 0.03578 0.01649
2.4 0.09613 0.04105 0.01648
2.65 0.01366 0.03958 0.01671
2.95 -0.01424 0.04865 0.01637
3.3 -0.00549 0.0542 0.01679
4.0 -0.03789 0.05065 0.01666