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Measurement E195M45

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Experiment: CLAS12 RG-K, 2022

Spokespersons: Daniel S. Carman

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′

Publication:

Quantity measured: P′z′,
z projection of beam-recoil transferred polarization P′ in (x',y',z') system
Beam: e, polarization: none
Target: p (Z=1, A=1), polarization: none
Final state: K+ Σ0, polarization: polarized

Q2 : 0.4 — 4.5 GeV2
W : 1.6 — 2.4 GeV
Ebeam : 7.546 GeV

Observable quantity measured (Y axis): P′z′,
Plot measurement data

Parameter (X axis): W, GeV

Click here to get data in text file, delimited with tabs.

Measured data:

W,
GeV
P′z′ Data errors Systematic errors
1.6375 0 0 0
1.6625 0 0 0
1.6875 0 0 0
1.7125 0 0 0
1.7375 -0.55289 0.21925 0.12828
1.7625 -0.07131 0.15265 0.0897
1.7875 -0.05998 0.13128 0.0613
1.8125 -0.32663 0.11706 0.05165
1.8375 -0.18082 0.11037 0.04376
1.8625 0.00733 0.10516 0.04051
1.8875 -0.0798 0.10341 0.04082
1.9125 0.01469 0.10761 0.04436
1.9375 -0.21218 0.11387 0.0487
1.9625 -0.19559 0.1217 0.05285
1.9875 0.11383 0.12943 0.05497
2.0125 -0.23675 0.13496 0.05673
2.0375 0.26821 0.14558 0.06383
2.0625 -0.19943 0.15182 0.06258
2.0875 -0.28505 0.16063 0.06399
2.1125 0.4166 0.16194 0.06339
2.1375 0.08233 0.16672 0.06398
2.1625 0.07518 0.17325 0.06578
2.1875 -0.1835 0.17144 0.05783
2.2125 0.06227 0.1785 0.0587
2.2375 -0.06085 0.18688 0.05991
2.2625 -0.21795 0.19259 0.06271
2.2875 0.26714 0.19569 0.05993
2.3125 -0.17635 0.19745 0.0585
2.3375 0.25222 0.19885 0.05959
2.3625 0.03818 0.21647 0.06071
2.3875 0.3717 0.2162 0.05951