Results 21 to 30 of about 514,461 (292)

Spectroscopic Orbits of Subsystems in Multiple Stars. X (Summary)

open access: yesThe Astronomical Journal, 2023
Results of a large program of spectroscopic monitoring of nearby solar-type stellar hierarchical systems using the CHIRON echelle spectrograph at the 1.5 m telescope are summarized.
Andrei Tokovinin
doaj   +1 more source

Elastic and inelastic scattering of 18O ions on 12C nuclei [PDF]

open access: yesЯдерна фізика та енергетика, 2009
Angular distributions of the 12C + 18O elastic and inelastic scattering were measured at the energy Elab(18O) = 105 MeV (Ec.m. = 42 MeV). These data and data known from the literature at the energies Ec.m. = 12.9 - 56 МеV were analysed within the optical
A. T. Rudchik   +17 more
doaj  

Mean Amplitudes of Vibration of CISbF5 [PDF]

open access: yes, 2022
Mean amplitudes of vibration of ClSbF5− have been calculated from recently reported spectroscopic data in a wide temperature range.
Baran, Enrique José
core  

On the use of field RR Lyrae as Galactic probes

open access: yesAstronomy & Astrophysics
We present the largest and most homogeneous catalog of radial velocity (RV) measurements for field RR Lyrae (RRL) variables, based on both proprietary and publicly available spectroscopic data. The sample includes 17 563 RRLs pulsating in the fundamental
Baeza-Villagra K.   +27 more
doaj   +1 more source

The 6Li(18O, 17O)7Li reaction mechanisms and 7Li + 17O potential [PDF]

open access: yesЯдерна фізика та енергетика, 2012
Angular distributions of the 6Li(18O, 17O)7Li reaction were measured at Elab(18O) = 114 MeV for ground and excited states of exit nuclei. The data were analyzed within the coupled-reaction-channels method (CRC).
A. T. Rudchik   +13 more
doaj  

Mean Amplitudes of Vibration of A1H4- and A1D4- [PDF]

open access: yes, 1975
The mean amplitudes of vibration for the tetrahedral AlH4− and AlD4− ions have been calculated from known spectroscopic data.
Baran, Enrique José
core   +1 more source

14C(11B, 9Be)16N reaction mechanisms and potential of the 9Be + 16N interaction [PDF]

open access: yesЯдерна фізика та енергетика, 2013
New experimental data for differential cross sections of the 14С(11B, 9Be)16N reaction were measured for the ground states of 9Be and 16N nuclei as well as for the excited states of 16N at the energy Elab.(11В) = 45 MeV.
S. Yu. Mezhevych   +11 more
doaj  

Probing the shape of 44S via spectroscopic factors [PDF]

open access: yesEPJ Web of Conferences
The disappearance of the N = 28 shell gap leads to enhanced quadrupole deformation and pronounced shape coexistence. In 44S, large shape fluctuations and several low-lying non-yrast states have been predicted.
Barman Ranojit   +2 more
doaj   +1 more source

Method for Measuring the Laser Field and the Opacity of Spectral Lines in Plasmas

open access: yesPlasma, 2021
In experimental studies of laser-plasma interactions, the laser radiation can exist inside plasma regions where the electron density is below the critical density (“underdense” plasma), as well as at the surface of the critical density.
Eugene Oks
doaj   +1 more source

Mean Amplitudes of Vibration of A1H4- and A1D4- [PDF]

open access: yes, 2022
The mean amplitudes of vibration for the tetrahedral AlH4− and AlD4− ions have been calculated from known spectroscopic data.
Baran, Enrique José
core  

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