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Measurement E209M6

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Experiment: CLAS12 RG-K K+Y recoil polarization, 2025

Spokespersons: Daniel S. Carman

Publication:

Quantity measured: P0y,
y projection of recoil polarization P0; in (x,y,z) system
Beam: e, polarization: none
Target: p (Z=1, A=1), polarization: none
Final state: K+ Λ, polarization: polarized

Q2 : 0.3 — 3.5 GeV2
W : 1.625 — 2.4 GeV
Ebeam : 6.535 GeV

Observable quantity measured (Y axis): P0y,
Plot measurement data

Parameter (X axis): W, GeV

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

Measured data:

W,
GeV
P0y Data errors Systematic errors
1.64 -0.323 0.0332 0.0442
1.66 -0.2975 0.0202 0.0423
1.69 -0.2837 0.0137 0.0372
1.71 -0.3081 0.0141 0.0323
1.74 -0.3031 0.012 0.0105
1.76 -0.3396 0.0118 0.006
1.79 -0.3268 0.0125 0.0123
1.81 -0.3057 0.013 0.014
1.84 -0.3042 0.0142 0.0114
1.86 -0.301 0.0133 0.0398
1.89 -0.297 0.0143 0.0121
1.91 -0.3563 0.014 0.009
1.94 -0.3714 0.0145 0.0147
1.96 -0.3843 0.0149 0.0097
1.99 -0.4016 0.0174 0.0081
2.01 -0.414 0.0163 0.0266
2.04 -0.4196 0.0175 0.0168
2.06 -0.3951 0.0184 0.0169
2.09 -0.4392 0.0185 0.0297
2.11 -0.386 0.0195 0.0099
2.14 -0.421 0.0203 0.0423
2.16 -0.4339 0.0209 0.034
2.19 -0.5055 0.0213 0.0175
2.21 -0.4269 0.022 0.0368
2.24 -0.4472 0.023 0.0386
2.26 -0.496 0.0237 0.0308
2.29 -0.4208 0.0246 0.0147
2.31 -0.4618 0.0258 0.0312
2.34 -0.4667 0.0265 0.0188
2.36 -0.4688 0.0271 0.0238
2.39 -0.4392 0.0284 0.0258