Articles with "hyperfine structure" as a keyword



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Hyperfine structure measurements of neutral atomic iodine (127I) in near infrared and visible regions

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Published in 2018 at "Journal of Quantitative Spectroscopy and Radiative Transfer"

DOI: 10.1016/j.jqsrt.2018.09.017

Abstract: Abstract Hyperfine structure (hfs) investigations were performed on neutral atomic iodine (II) in the near-infrared and visible spectral regions. Fourier transform spectroscopy to investigate the emission spectrum of a microwave driven electrodeless discharge lamp operated… read more here.

Keywords: atomic iodine; near infrared; hyperfine structure; iodine ... See more keywords
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Experimental Investigation of the Hyperfine Structure of Tm I with Fourier Transform Spectroscopy, Part A: in the visible wavelength range (400 nm – 700 nm)

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Published in 2022 at "Journal of Quantitative Spectroscopy and Radiative Transfer"

DOI: 10.1016/j.jqsrt.2022.108195

Abstract: The spectra emitted by a thulium hollow-cathode discharge lamp with argon or neon as inert gases have been recorded with a Bruker IFS 125 HR Fourier Transform spectrometer in the visible wavelength region from 400… read more here.

Keywords: spectroscopy; hyperfine structure; structure; fourier transform ... See more keywords
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Development of microwave cavities for measurement of muonium hyperfine structure at J-PARC

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Published in 2021 at "Progress of Theoretical and Experimental Physics"

DOI: 10.1093/ptep/ptab047

Abstract: The MuSEUM collaboration is planning measurements of the ground-state hyperfine structure (HFS) of muonium at the Japan Proton Accelerator Research Complex (J-PARC), Materials and Life Science Experimental Facility. The high-intensity beam that will soon be… read more here.

Keywords: parc; microwave cavities; hyperfine structure;
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Hyperfine structure of alkali-metal diatomic molecules.

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Published in 2017 at "Physical Review A"

DOI: 10.1103/physreva.96.042506

Abstract: We present calculations of the hyperfine coupling constants for all the heteronuclear alkali-metal diatomic molecules at the equilibrium geometry of the electronic ground state. These constants are important in developing methods to control ultracold polar… read more here.

Keywords: alkali metal; metal diatomic; hyperfine structure; diatomic molecules ... See more keywords
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Relativistic coupled-cluster theory analysis of energies, hyperfine structure constants, and dipole polarizabilities of Cd$^{+}$

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Published in 2018 at "Physical Review A"

DOI: 10.1103/physreva.97.022512

Abstract: Roles of electron correlation effects in the determination of attachment energies, magnetic dipole hyperfine structure constants and electric dipole (E1) matrix elements of the low-lying states in the singly charged cadmium ion (Cd$^+$) have been… read more here.

Keywords: structure constants; theory; relativistic coupled; coupled cluster ... See more keywords
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Hyperfine Structure of Regolith Unveiled by Chang’E-5 Lunar Regolith Penetrating Radar

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Published in 2022 at "IEEE Transactions on Geoscience and Remote Sensing"

DOI: 10.1109/tgrs.2022.3148200

Abstract: This work presents the results of the Lunar Regolith Penetrating Radar (LRPR), installed at the bottom of the Chang’E-5 (CE-5) lander, which is the first antenna-array radar deployed for the investigation of an extraterrestrial body.… read more here.

Keywords: regolith penetrating; hyperfine structure; regolith; penetrating radar ... See more keywords
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The Hyperfine Structure of the Ground State in the Muonic Helium Atoms

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Published in 2018 at "Physics of Particles and Nuclei Letters"

DOI: 10.1134/s1547477118030032

Abstract: Non-relativistic ionization energies 3He2+μ−e− and 4He2+μ−e− of helium-muonic atoms are calculated for ground states. The calculations are based on the variational method of the exponential expansion. Convergence of the variational energies is studied by an… read more here.

Keywords: ground; structure ground; hyperfine structure; helium atoms ... See more keywords
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Fine and Hyperfine Structure of Muonic Helium

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Published in 2020 at "Bulletin of the Russian Academy of Sciences: Physics"

DOI: 10.3103/s1062873820030077

Abstract: Abstract Fine and hyperfine structures of the energy levels of muonic helium are calculated using the stochastic variational approach. The basis wave functions are taken in Gaussian form. The matrix elements of the Hamiltonian are… read more here.

Keywords: fine hyperfine; muonic helium; hyperfine structure; hyperfine ... See more keywords