CLAS Physics Database

Measurement E195M45

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 K+, y′ normal to hadronic 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 -0.55289 0.21925
1.7625 -0.07131 0.15265
1.7875 -0.05998 0.13128
1.8125 -0.32663 0.11706
1.8375 -0.18082 0.11037
1.8625 0.00733 0.10516
1.8875 -0.0798 0.10341
1.9125 0.01469 0.10761
1.9375 -0.21218 0.11387
1.9625 -0.19559 0.1217
1.9875 0.11383 0.12943
2.0125 -0.23675 0.13496
2.0375 0.26821 0.14558
2.0625 -0.19943 0.15182
2.0875 -0.28505 0.16063
2.1125 0.4166 0.16194
2.1375 0.08233 0.16672
2.1625 0.07518 0.17325
2.1875 -0.1835 0.17144
2.2125 0.06227 0.1785
2.2375 -0.06085 0.18688
2.2625 -0.21795 0.19259
2.2875 0.26714 0.19569
2.3125 -0.17635 0.19745
2.3375 0.25222 0.19885
2.3625 0.03818 0.21647
2.3875 0.3717 0.2162