CLAS Physics Database

Measurement E195M1

Experiment: CLAS12 RG-K
Year: 2022

Measurement comment:

P′x' 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+ Λ
Polarization: final
Quantity: P′x′
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′x′ uncertainty
-0.96 -0.17961 0.07505
-0.88 -0.21424 0.0237
-0.8 -0.20843 0.01819
-0.72 -0.24517 0.01731
-0.64 -0.25049 0.0174
-0.56 -0.22185 0.0177
-0.48 -0.21694 0.01822
-0.4 -0.2121 0.01842
-0.32 -0.20922 0.0186
-0.24 -0.23221 0.01854
-0.16 -0.20996 0.01847
-0.08 -0.19328 0.01815
0.0 -0.2404 0.01771
0.08 -0.2217 0.01711
0.16 -0.20509 0.01665
0.24 -0.19476 0.01608
0.32 -0.22291 0.01526
0.4 -0.23832 0.01426
0.48 -0.23021 0.01328
0.56 -0.2433 0.01273
0.64 -0.22527 0.01228
0.72 -0.23923 0.01219
0.8 -0.18987 0.01265
0.88 -0.1265 0.01451
0.96 -0.05888 0.01937