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Spectroscopic Amplitudes in Microscopic Three-Cluster Systems [PDF]

Physical Review C, 2023
I investigate three-body spectroscopic amplitudes in a microscopic three-cluster model. The total wave functions are described in the resonating group method (RGM) formalism based on cluster wave functions and on relative functions defined in the hyperspherical method. Core excitations are included.
Pierre Descouvemont
exaly   +3 more sources

Alpha-Particle Spectroscopic Amplitudes and the Su(3) Model

Nuclear Physics A, 1973
Abstract Formulas for calculating spectroscopic amplitudes for emission or transfer of α-particles are developed in the framework of the harmonic-oscillator shell model with SU(3) classification. These formulas are applied to some interesting states of 20Ne, e.g., low-lying (sd)4 shell-model states, members of the lowest K = 0− band with SU (3) label
Akito Arima, Munetake Ichimura, Edith Conrad Halbert   +2 more
exaly   +4 more sources

Spectroscopic Amplitudes for α-Clustering in 6Li and 7Be

Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 1984
Abstract Spectroscopic amplitudes for α -clustering in the bound states of 6 Li and 7 Be are computed by adopting the definition of Fliessbach. The wavefunctions used are those from coupled-channel resonating-group calculations. Using these amplitudes, one can determine the spectroscopic factor and the constant characterizing the asymptotic ...
H Walliser, Y C Tang
exaly   +2 more sources

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Relationship Between Vibrational Amplitudes and Internuclear Distances VII. Amplitudes Calculated From Spectroscopic Data

Journal of Structural Chemistry, 1980
O V Dorofeeva, V S Mastryukov
exaly   +2 more sources

Five-Nucleon Spectroscopic Amplitudes for 1p-Shell Nuclei

Nuclear Physics A, 1985
Abstract Spectroscopic amplitudes of the 5 He or 5 Li cluster in the ground and first excited states are given for lp-shell nuclei. These Spectroscopic amplitudes are calculated with the aid of intermediate-coupling wave functions of initial and final nuclei. Sum rules for pickup and stripping reactions are presented.
L Jarczyk
exaly   +2 more sources

Determination of Spectroscopic Amplitudes From Electron Scattering Data

Il Nuovo Cimento A, 1979
It is shown how the spectroscopic amplitudes for the removal of a particle from anA-body system can be determined from electron-nucleus scattering data. The formalism used is translationally invariant and therefore the spectroscopic amplitudes thus determined require no further «center-of-mass corrections». The method is applied to the16O nucleus.
L C Liu, C M Shakin
exaly   +2 more sources

Spectroscopic Determination of the Internal Amplitude of Frequency Sweeping TAE

Plasma Physics and Controlled Fusion, 2004
From an understanding of the processes that cause a marginally unstable eigenmode of the system to sweep in frequency, it is shown how the absolute peak amplitude of the mode can be determined from the spectroscopic measurements of the frequency sweeping rate, e.g. with Mirnov coils outside the plasma.
M P Gryaznevich, S D Pinches, Jet-Efda Contributors   +2 more
exaly   +3 more sources

Alpha-Particle Spectroscopic Amplitudes for Sd Shell Nuclei

Nuclear Physics A, 1975
Abstract Theoretical predictions for spectroscopic amplitudes corresponding to α-particle stripping and pickup reactions on all stable sd shell nuclei with 16 ≦ A ≦ 28 are tabulated. A pure (Os) 4 configuration for the internal wave function of the transferred nucleons is assumed.
J P Draayer
exaly   +2 more sources

Spectroscopic studies of the small-amplitude Cepheid SU Cas

Astronomy Letters, 2013
A new set of 16 high-resolution spectra for the small-amplitude Cepheid SU Cas obtained in 2007–2009 has allowed us to determine its atmospheric parameters (Teff = 6345 ± 30 K, log g = 2.40, Vt = 3.25 km s−1) and to measure its radial velocities. The latter were added to the general list of radial velocities (375 estimates) obtained in the last 90 ...
I. A. Usenko, V. G. Klochkova, N. S. Tavolzhanskaya   +2 more
openaire   +1 more source