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NSR database version of May 6, 2024.

Search: Author = D.Antypas

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2022FI01      Phys.Rev.Lett. 128, 073001 (2022)

N.L.Figueroa, J.C.Berengut, V.A.Dzuba, V.V.Flambaum, D.Budker, D.Antypas

Precision Determination of Isotope Shifts in Ytterbium and Implications for New Physics

ATOMIC PHYSICS ^{168,170,172,174,176}Yb; measured frequencies; deduced isotope shifts for the five spinless Yb isotopes, nonlinearity in the joint King-plot analysis due to the deformation of the Yb nuclei. Doppler-free two-photon spectroscopy.

doi: 10.1103/PhysRevLett.128.073001
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2019AN01      Nat.Phys. 15, 120 (2019)

D.Antypas, A.Fabricant, J.E.Stalnaker, K.Tsigutkin, V.V.Flambaum, D.Budker

Isotopic variation of parity violation in atomic ytterbium

ATOMIC PHYSICS Yb; measured transition frequencies; deduced isotopic variation of parity violation.

doi: 10.1038/s41567-018-0312-8
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2019VI04      Phys.Rev. C 100, 034318 (2019)

A.V.Viatkina, D.Antypas, M.G.Kozlov, D.Budker, V.V.Flambaum

Dependence of atomic parity-violation effects on neutron skins and new physics

ATOMIC PHYSICS ^85,87Rb, ^{131,134,135,136,137}Cs, ^{130,132,133,134,135,136,137,138}Ba, ^{144,145,146,147,148,149,150,151,152,153,154}Sm, ^{156,158,161,162,163,164}Dy, ^{168,170,171,172,173,174,176}Yb, ^203,204,205Tl, ^{202,204,205,206,207,208}Pb, ^{207,208,209,210,211,212,213,220,221,222,223,224,225,226,227,228}Fr, ^{208,209,210,211,212,213,214,220,221,222,223,224,225,226,227,228,229,230,232}Ra; calculated mean values of the coefficients as functions of the radius parameter for different elements, assuming Fermi distribution of nuclear density; evaluated relevant coefficients from for the nuclear factor of the Parity-nonconserving (PNC) amplitude in low energy atomic experiments. Relevance to Yb experiment in Mainz and the Fr experiment at TRIUMF.

doi: 10.1103/PhysRevC.100.034318
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