Members of the group had collaborated for at least ten years prior to the establishment of this laboratory in 2015. Papers published by this laboratory, along with selected earlier papers, are shown here. For more complete lists of earlier papers, please use the following links:

S.-M. Hu | USTC
W. Jiang & Z.-T. Lu | Argonne

Members of the group had collaborated for at least ten years prior to the establishment of this laboratory in 2015. Papers published by this laboratory, along with selected earlier papers, are shown here. For more complete lists of earlier papers, please use the following links:

S.-M. Hu | USTC
W. Jiang & Z.-T. Lu | Argonne

Radiokrypton dating


  • Using 81Kr and noble gases to characterize and date groundwater and brines in the Baltic Artesian Basin on the one-million-year timescale
    Christoph Gerber et al.,Geochim. Cosmochim. Acta 205, 187-210 (2017). [DOI]
  • Radiokrypton dating coming of age
    Z.-T. Lu,Nat. Sci. Rev 3(2), 172 (2016). [DOI]
  • Continental degassing of 4He by surficial discharge of deep groundwater
    P.K. Aggarwal et al., Nature Geo. 8, 35 (2015). [DOI]
  • Radiometric 81Kr dating identifies 120,000-year-old ice at Taylor Glacier, Antarctica
    C. Buizert et al., Proc. Nat. Acad. Sci. 111, 6876 (2014). [DOI]
    ( See accompanying Commentary : Aeschbach-Hertig, W. ibid )
  • Tracer Applications of Noble Gas Radionuclides in the Geosciences
    Z.-T. Lu et al., Earth Sci. Rev. 138, 196 (2014). [DOI]
  • Analysis of 85Kr: a comparison at the 10-14 level using micro-liter samples
    G.-M. Yang et al., Sci. Rep. 3, 1596 (2013). [DOI]
  • An Atom Counter for Measuring 81Kr and 85Kr in Environmental Samples
    W. Jiang et al., Geochim. Cosmochim. Acta 91, 1-6 (2012). [DOI]
  • Ar-39 Detection at the 10-16 Isotopic Abundance Level with Atom Trap Trace Analysis
    W. Jiang. et al., Phys. Rev. Lett. 106, 103001 (2011). [DOI]
    ( See accompanying Physics Synopsis )
  • Ultrasensitive isotope trace analyses with a magneto-optical trap
    C.Y. Chen et al., Science 286, 1139 (1999). [DOI]

Atmospheric molecules


  • Rovibrational line lists for nine isotopologues of the CO molecule in the X1Sigma+ ground electronic state
    G. Li et al., Astrophys. J. Supp. 216, 15 (2015). [DOI]
  • Ultra-sensitive, self-calibrated cavity ring-down spectroscopy for quantitative trace-gas analysis
    B. Chen et al., App. Opt. 53(32), 7716-7723 (2014). [DOI]
  • Line parameters of the 782 nm band of CO2
    Y. Lu et al., Astrophys. J. 775(1), 71 (2013). [DOI]
  • The 4vCH overtone of 12C2H2, sub-MHz precision spectrum reveals perturbations
    A.-W. Liu et al., J. Chem. Phys. 138, 014312 (2013). [DOI]
  • The v=3<-0 S(0)-S(3) electric quadrupole transitions of H2 near 0.8 um
    S.-M. Hu et al., Astrophys. J. 749(1), 76 (2012). [DOI]
  • Electric-quadrupole transition of H2 determined to 10-9 precision
    C.-F. Cheng et al., Phys. Rev. A 85(2), 024501 (2012). [DOI]

Boltzmann constant


  • Doppler broadening thermometry based on cavity ring-down spectroscopy
    C.-F. Cheng et al., Metrologia 52, S385-S393 (2015). [DOI]
  • Application of cavity ring-down spectroscopy to the Boltzmann constant determination
    Y. R. Sun et al., Opt. Exp. 19(21), 19993–20002 (2011). [DOI]

Matrix-embedded atoms


  • Measurement of the Hyperfine Quenching Rate of the Clock Transition in 171Yb
    C.-Y. Xu et al., Phys. Rev. Lett. 113, 033003 (2014). [DOI]
  • Phonon coupling of water monomers in a solid nitrogen matrix
    L. Wu et al., J. Chem. Phys. 138, 114304 (2013). [DOI]
  • Electronic spectroscopy ytterbium in a neon matrix
    R. Lambo et al., J. Chem. Phys. 137, 204315 (2012). [DOI]
  • Optical Excitation and Decay Dynamics of Ytterbium Atoms Embedded in a Solid Neon Matrix
    C.-Y. Xu et al., Phys. Rev. Lett. 107, 093001 (2011).

The helium atom


  • Laser spectroscopy of the fine-structure splitting in the 23PJ levels of 4He
    X. Zheng, Y. R. Sun*, J.-J. Chen, W. Jiang, K. Pachucki, S.-M. Hu*
    Physical Review Letters, 118, 063001, (2017). [DOI]
  • Laser spectroscopy measurement of the fine structure splitting 23P1-23P2 of 4He
    G.-P. Feng et al., Phys. Rev. A 91, 030502(R) (2015). [DOI]
  • Laser probing of halo nuclei in light atoms
    Z.-T. Lu et al., Rev. Mod. Phys. 85, 1383 (2013). [DOI]
  • Precision spectroscopy of the helium atom
    S.-M. Hu et al., Front. Phys. China 4, 165 (2009). [DOI]
  • Nuclear charge radius of 8He
    P. Mueller et al. Phys. Rev. Lett. 99, 252501 (2007). [DOI]
  • Laser spectroscopic determination of the 6He nuclear charge radius
    L.-B. Wang et al. Phys. Rev. Lett. 93, 142501 (2004). [DOI]

EDM of radium-225


  • Improved limit on the 225Ra electric dipole moment
    Michael Bishof et al., Phys. Rev. C 94, 025501 (2016). [DOI]
  • First measurement of the atomic electric dipole moment of 225Ra
    R. H. Parker et al., Phys. Rev. Lett. 114, 233002 (2015). [DOI]
    (see accompanying Physics Synopsis)
  • Laser-trapping of Ra-225 and Ra-226 with repumping by room temperature blackbody radiation
    J. R. Guest et al., Phys. Rev. Lett. 98, 093001 (2007). [DOI]