PNC amplitude calculations for Sn M1 transitions propose isotope-ratio measurements as a realistic probe of new physics with neutron-skin uncertainty at the 10⁻³ level.
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4 Pith papers cite this work. Polarity classification is still indexing.
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2026 4verdicts
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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.
New isotope shift measurements in Sr+ with 200 kHz precision reveal that nuclear charge radii above N=50 vary strongly with the method used to separate field and mass shifts.
Accounting for nuclear finite size via the form factor, the neutrino-mediated parity-violating potential has nuclear range, changes sign across the atom, and induces only a tiny correction to the effective nuclear weak charge.
citing papers explorer
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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.