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Measurement E195M48

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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 virtual photon direction, y normal to electron scattering 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 0.32918 0.24388 0.12828
1.7625 -0.07737 0.16608 0.0897
1.7875 0.09873 0.14074 0.0613
1.8125 -0.32939 0.12467 0.05165
1.8375 0.00802 0.11626 0.04376
1.8625 -0.23561 0.11024 0.04051
1.8875 -0.09314 0.1109 0.04082
1.9125 0.11821 0.11227 0.04436
1.9375 -0.03901 0.11771 0.0487
1.9625 0.25744 0.12509 0.05285
1.9875 0.01749 0.13124 0.05497
2.0125 -0.21019 0.13978 0.05673
2.0375 -0.19136 0.14911 0.06383
2.0625 -0.12506 0.15463 0.06258
2.0875 -0.07721 0.15969 0.06399
2.1125 0.13371 0.16717 0.06339
2.1375 0.33722 0.16899 0.06398
2.1625 -0.23352 0.17381 0.06578
2.1875 -0.02591 0.17372 0.05783
2.2125 -0.1971 0.17855 0.0587
2.2375 -0.63573 0.1871 0.05991
2.2625 0.2176 0.19266 0.06271
2.2875 0.31886 0.19247 0.05993
2.3125 0.01696 0.19422 0.0585
2.3375 -0.46626 0.2006 0.05959
2.3625 -0.09241 0.21287 0.06071
2.3875 0.38474 0.21631 0.05951