CLAS Physics Database

Measurement E195M48

Experiment: CLAS12 RG-K
Year: 2022

Measurement comment:

P′z vs. W (integrated over Q2, 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′z
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′z 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 0.32918 0.24388
1.7625 -0.07737 0.16608
1.7875 0.09873 0.14074
1.8125 -0.32939 0.12467
1.8375 0.00802 0.11626
1.8625 -0.23561 0.11024
1.8875 -0.09314 0.1109
1.9125 0.11821 0.11227
1.9375 -0.03901 0.11771
1.9625 0.25744 0.12509
1.9875 0.01749 0.13124
2.0125 -0.21019 0.13978
2.0375 -0.19136 0.14911
2.0625 -0.12506 0.15463
2.0875 -0.07721 0.15969
2.1125 0.13371 0.16717
2.1375 0.33722 0.16899
2.1625 -0.23352 0.17381
2.1875 -0.02591 0.17372
2.2125 -0.1971 0.17855
2.2375 -0.63573 0.1871
2.2625 0.2176 0.19266
2.2875 0.31886 0.19247
2.3125 0.01696 0.19422
2.3375 -0.46626 0.2006
2.3625 -0.09241 0.21287
2.3875 0.38474 0.21631