CLAS Physics Database

Measurement E195M39

Experiment: CLAS12 RG-K
Year: 2022

Measurement comment:

P′x' vs. W (integrated over Q2, 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+ 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
W, [GeV] P′x′ uncertainty
1.6375 0.0 0.0
1.6625 0.0 0.0
1.6875 0.0 0.0
1.7125 0.0 0.0
1.7375 0.02564 0.23374
1.7625 0.16745 0.16089
1.7875 0.10591 0.13647
1.8125 0.22048 0.12308
1.8375 -0.05593 0.11405
1.8625 0.38481 0.10856
1.8875 0.01638 0.10901
1.9125 -0.04949 0.11048
1.9375 -0.02553 0.11716
1.9625 -0.17443 0.12362
1.9875 -0.11391 0.13004
2.0125 0.26849 0.13901
2.0375 0.08793 0.14839
2.0625 -0.07302 0.15465
2.0875 0.22173 0.15906
2.1125 -0.2256 0.16655
2.1375 -0.31803 0.17088
2.1625 0.42631 0.17656
2.1875 -0.00453 0.17719
2.2125 0.11345 0.17775
2.2375 0.38046 0.18667
2.2625 -0.26903 0.19352
2.2875 -0.41191 0.1951
2.3125 -0.02515 0.19939
2.3375 0.57692 0.2055
2.3625 0.19246 0.21246
2.3875 -0.18023 0.224