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Evidence of Two-Source King Plot Nonlinearity in Spectroscopic Search for New Boson.
Hur, Joonseok; Aude Craik, Diana P L; Counts, Ian; Knyazev, Eugene; Caldwell, Luke; Leung, Calvin; Pandey, Swadha; Berengut, Julian C; Geddes, Amy; Nazarewicz, Witold; Reinhard, Paul-Gerhard; Kawasaki, Akio; Jeon, Honggi; Jhe, Wonho; Vuletic, Vladan.
Afiliação
  • Hur J; Department of Physics and Research Laboratory of Electronics, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA.
  • Aude Craik DPL; Department of Physics and Research Laboratory of Electronics, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA.
  • Counts I; Department of Physics and Research Laboratory of Electronics, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA.
  • Knyazev E; Department of Physics and Research Laboratory of Electronics, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA.
  • Caldwell L; JILA, NIST and University of Colorado, Boulder, Colorado 80309, USA.
  • Leung C; Department of Physics and Research Laboratory of Electronics, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA.
  • Pandey S; Department of Physics and Research Laboratory of Electronics, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA.
  • Berengut JC; School of Physics, University of New South Wales, Sydney, New South Wales 2052, Australia.
  • Geddes A; School of Physics, University of New South Wales, Sydney, New South Wales 2052, Australia.
  • Nazarewicz W; Facility for Rare Isotope Beams and Department of Physics and Astronomy, Michigan State University, East Lansing, Michigan 48824, USA.
  • Reinhard PG; Institut für Theoretische Physik, Universität Erlangen, Erlangen D-91054, Germany.
  • Kawasaki A; National Metrology Institute of Japan (NMIJ), National Institute of Advanced Industrial Science and Technology (AIST), 1-1-1 Umezono, Tsukuba, Ibaraki 305-8563, Japan.
  • Jeon H; Department of Physics and Astronomy, Seoul National University, Seoul 151-747, Korea.
  • Jhe W; Department of Physics and Astronomy, Seoul National University, Seoul 151-747, Korea.
  • Vuletic V; Department of Physics and Research Laboratory of Electronics, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA.
Phys Rev Lett ; 128(16): 163201, 2022 Apr 22.
Article em En | MEDLINE | ID: mdl-35522508
ABSTRACT
Optical precision spectroscopy of isotope shifts can be used to test for new forces beyond the standard model, and to determine basic properties of atomic nuclei. We measure isotope shifts on the highly forbidden ^{2}S_{1/2}→^{2}F_{7/2} octupole transition of trapped ^{168,170,172,174,176}Yb ions. When combined with previous measurements in Yb^{+} and very recent measurements in Yb, the data reveal a King plot nonlinearity of up to 240σ. The trends exhibited by experimental data are explained by nuclear density functional theory calculations with the Fayans functional. We also find, with 4.3σ confidence, that there is a second distinct source of nonlinearity, and discuss its possible origin.
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Texto completo: 1 Base de dados: MEDLINE Idioma: En Ano de publicação: 2022 Tipo de documento: Article
Texto completo
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XML
PubMed Links
Buscar no Google

Texto completo: 1 Base de dados: MEDLINE Idioma: En Ano de publicação: 2022 Tipo de documento: Article