CLAS Physics Database

Measurement E195M8

Experiment: CLAS12 RG-K
Year: 2022

Measurement comment:

P′z' vs. Q2 (integrated over W, cos(θKc.m.))
Coordinate system:
    (x′,y′,z′), z′ along K+, y′ normal to hadronic plane, x′=y′ x z′
Spokesperson: Daniel S. Carman
Reaction: ep → K+ Λ
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
Q2, [GeV2] P′z′ uncertainty syst. uncert.
0.35 0.05619 0.00952 0.0211
0.45 0.03605 0.00916 0.02005
0.55 0.06561 0.00994 0.01928
0.65 0.07486 0.01069 0.01848
0.75 0.0915 0.01156 0.01813
0.85 0.09372 0.01245 0.01767
0.95 0.09865 0.01343 0.01762
1.05 0.14168 0.0144 0.01704
1.15 0.17351 0.01558 0.01707
1.25 0.14818 0.01689 0.01677
1.35 0.19242 0.01828 0.0167
1.45 0.16971 0.01988 0.01691
1.6 0.16266 0.01602 0.01688
1.8 0.21623 0.01901 0.01714
2.0 0.20883 0.022 0.01716
2.2 0.25997 0.02574 0.01708
2.4 0.30628 0.03014 0.01723
2.65 0.33719 0.02947 0.01702
2.95 0.43469 0.03405 0.01648
3.3 0.35518 0.03774 0.01605