CLAS Physics Database

Measurement E195M31

Experiment: CLAS12 RG-K
Year: 2022

Measurement comment:

P′z' vs. cos(θKc.m.) (integrated over Q2, W)
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: 0.3 — 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
cos(θKc.m.) P′z′ uncertainty
-0.96 -0.99807 0.45149
-0.88 0.19738 0.12672
-0.8 -0.06328 0.10883
-0.72 -0.50202 0.10665
-0.64 -0.14348 0.10155
-0.56 -0.34688 0.0999
-0.48 -0.27732 0.09613
-0.4 -0.10561 0.09324
-0.32 -0.15601 0.0905
-0.24 -0.23324 0.08599
-0.16 -0.07639 0.08409
-0.08 -0.06584 0.08205
0.0 0.14391 0.08006
0.08 0.0383 0.07748
0.16 0.06177 0.07674
0.24 -0.3297 0.07516
0.32 -0.14006 0.07302
0.4 -0.25397 0.07107
0.48 -0.2094 0.07029
0.56 -0.41222 0.06994
0.64 -0.07062 0.07057
0.72 -0.39691 0.07358
0.8 -0.37019 0.08206
0.88 -0.62603 0.10868
0.96 -0.29846 0.17653