The ratio of low-mass Z' to SM Z contributions to PNC in hydrogen and deuterium is computed for arbitrary Z' mass, showing faster-than-1/Z² growth at low Z for both nuclear-spin-independent and dependent cases.
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hep-ph 2years
2026 2verdicts
UNVERDICTED 2roles
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A chiral flavor-specific U(1)_X model with two Higgs doublets accommodates the ATOMKI 17 MeV anomaly via a Z' boson whose parameter space remains consistent with atomic parity violation, beam dump, meson decay, and neutrino scattering bounds.
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Parity Nonconservation in Hydrogen Induced by Low-Mass Vector-Boson Exchange
The ratio of low-mass Z' to SM Z contributions to PNC in hydrogen and deuterium is computed for arbitrary Z' mass, showing faster-than-1/Z² growth at low Z for both nuclear-spin-independent and dependent cases.
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A Flavor Specific Chiral $U(1)_X$ Framework for Explaining the ATOMKI Anomaly
A chiral flavor-specific U(1)_X model with two Higgs doublets accommodates the ATOMKI 17 MeV anomaly via a Z' boson whose parameter space remains consistent with atomic parity violation, beam dump, meson decay, and neutrino scattering bounds.