Tentative evidence of subshell closures atN = 6, 14, 16, 56 andZ = 6, 14, 16, 38 from binding-energy systematics and atN = 56,Z = 64 from energy levels of doubly even nuclei

1987 ◽  
Vol 97 (6) ◽  
pp. 753-761 ◽  
Author(s):  
A. Abzouzi ◽  
M. S. Antony ◽  
V. B. Ndocko Ndongué
Keyword(s):  
Binding Energy ◽  
Energy Levels ◽  
Tentative Evidence

scholarly journals Calculations with Reaction Matrices in the p?f Shell

1972 ◽  
Vol 25 (6) ◽  
pp. 651
Author(s):  
HN Comins ◽  
RGL Hewitt
Keyword(s):  
Binding Energy ◽  
Shell Model ◽  
Energy Levels ◽  
Model Reaction ◽  
Pauli Operator ◽  
Reaction Matrix

Elements of the shell-model reaction matrix have been calculated for the p-f shell with an exact treatment of the Pauli operator. These elements have been used in straightforward calculations of the energy levels of 42Ca and 42Sc and the binding energy of 40Ca.

Binding energy levels of a slowly moving ion in dusty plasmas

2013 ◽  
Vol 20 (2) ◽  
pp. 023701 ◽  
Author(s):  
Hongwei Hu ◽  
Fuli Li
Keyword(s):  
Binding Energy ◽  
Energy Levels ◽  
Dusty Plasmas

Binding energy levels of a slowly moving ion in quantum plasmas

2012 ◽  
Vol 85 (5) ◽  
Author(s):  
Hongwei Hu ◽  
Fuli Li ◽  
Chenwei Jiang
Keyword(s):  
Binding Energy ◽  
Energy Levels ◽  
Quantum Plasmas

scholarly journals Pairing Effect pada Isotop Cr dengan Menggunakan Uniform Fixed Potential Interaction

2020 ◽  
Vol 5 ◽  
Author(s):  
Alpi Mahisha Nugraha ◽  
Nurullaeli Nurullaeli
Keyword(s):  
Binding Energy ◽  
Potential Energy ◽  
Energy Levels ◽  
Strong Relationship ◽  
Potential Interaction ◽  
Total Binding Energy ◽  
Nuclear Binding Energy ◽  
Pairing Effect ◽  
Collective Phenomenon ◽  
Potential Matrix

<p class="AbstrakIndonesia"><strong><em>Abstract:</em></strong><em> </em>Pairing is collective phenomenon caused by fermions as neutron and proton collected in nuclei, this phenomenon can be found in the formation of isotopes such as the Cr-isotopes. Pairing has an impact on the amount of nuclear binding energy. Like as social being uniquely, fermions will have a strong relationship when collected in nuclei isotopes. Their binding energy will increase when the nuclei have a paired of even-even number neutron or proton. One of the most powerful approaches in explaining the pairing effect is the Bardeen-Cooper-Srhrieffer approximation (BCS-Approximation), which is forms the basis of the theory superfluidity phenomenon in nucleiIn BCS-Approximation requires an interaction potential matrix that describes the neutron interactions between energy levels. We used uniform fixed potential energy 0.5 MeV, 0.1 MeV, and 0.01 MeV which is will be an option in this approach to calculate the total binding energy in Cr-isotopes.</p><p class="AbstrakIndonesia"><strong>Abstrak:</strong> Pairing merupakan fenomena keloktif dari beberapa fermion yang berkumpul, fenomena ini dapat ditemukan pada pembentukan isotop seperti isotop Cr. Pairing atau pasangan akan berdampak pada besar energi ikat inti atom, seperti halnya makhluk sosial yang akan meemliki hubungan yang kuat ketika berkumpul, isotop suatu nuklida juga akan mengalami peningkatan energi ikat ketika jumlah partikel semakin banyak dan berjumlah genap atau berpasangan. Salah satu pendekatan yang sangat powerfull dalam menjelaskan pairing effect tersebut adalah pedekatan Bardeen, Cooper, dan Schrieffer yang dikenal dengan BCS Approximation, yang menjadi dasar teori dari fenomena superfluidity. Penggunaan pendekatan ini memerlukan matriks potensial interaksi yang menggambarkan interaksi neutron antar level energi, penggunaan Uniform Fixed Potential Interaction yang bernilai 0.5 MeV, 0.1 MeV, dan 0.01 MeV menjadi salah satu pilihan dalam pendekatan ini untuk menghitung energi ikat total inti isotop Cr.</p>

scholarly journals On the Binding Energy and Properties of Lower Energy Levels of Li6

1955 ◽  
Vol 13 (2) ◽  
pp. 225a-225a
Author(s):  
M. Morita ◽  
T. Tamura
Keyword(s):  
Binding Energy ◽  
Lower Energy ◽  
Energy Levels

BINDING ENERGY OF A BOUND POLARON IN THE FINITE PARABOLIC QUANTUM WELL

2001 ◽  
Vol 15 (20) ◽  
pp. 827-835 ◽  
Author(s):  
FENG-QI ZHAO ◽  
XI XIA LIANG
Keyword(s):  
Binding Energy ◽  
Quantum Well ◽  
Ground State Energy ◽  
Ground State ◽  
State Energy ◽  
Transition Energy ◽  
Energy Levels ◽  
Phonon Interaction ◽  
Electron Phonon Interaction ◽  
Bound Polaron

We have studied the effect of the electron–phonon interaction on the energy levels of the bound polaron and calculated the ground-state energy, the binding energy of the ground state, and the 1 s → 2 p ± transition energy in the GaAs/Al x Ga 1-x As parabolic quantum well (PQW) structure by using a modified Lee–Low–Pines (LLP) variational method. The numerical results are given and discussed. It is found that the contribution of electron–phonon interaction to the ground-state energy and the binding energy is obvious, especially in large well-width PQWs. The electron–phonon interaction should not be neglected.

scholarly journals On the Binding Energy and Properties of Lower Energy Levels of Li6

1954 ◽  
Vol 12 (5) ◽  
pp. 653-688 ◽  
Author(s):  
Masato Morita ◽  
Tar\=o Tamura
Keyword(s):  
Binding Energy ◽  
Lower Energy ◽  
Energy Levels

INFLUENCE OF ELECTRIC FIELD ON THE BINDING ENERGY OF HYDROGENIC IMPURITY WITH SPATIALLY DEPENDENT MASS IN NITRIDE PARABOLIC QUANTUM WELLS

2007 ◽  
Vol 21 (05) ◽  
pp. 279-286 ◽  
Author(s):  
FENG-QI ZHAO ◽  
JIAN GONG
Keyword(s):  
Binding Energy ◽  
Electric Field ◽  
Quantum Wells ◽  
Ground State ◽  
Quantum Confinement Effect ◽  
Energy Levels ◽  
Binding Energies ◽  
Hydrogenic Impurity ◽  
Dependent Mass ◽  
Parabolic Quantum Wells

The ground state and binding energies of the hydrogenic impurity in a finite GaN/Al x Ga 1-x N parabolic quantum well (PQW) are investigated by using variational method. The effect of an electric field and spatial dependence effective mass (SDEM) are considered in the calculation. The results indicate that the effect of the SDEM on the energy levels is more obvious in the case of the narrower well width L. The effects decrease with increasing L, and tend to zero. The electric field shifts the energy levels towards lower energies with increasing well width L. Furthermore the ground state binding energy of the hydrogenic impurity in GaN/Al x Ga 1-x N PQWs is larger than that in GaAs/Al x Ga 1-x As PQWs. Therefore, we affirm that there is stronger quantum confinement effect in GaN/Al x Ga 1-x N PQW.

scholarly journals Missing Levels and Lines of Astrophysical Importance

1986 ◽  
Vol 90 ◽  
pp. 99-102
Author(s):  
Sveneric Johansson ◽  
Charles R. Cowley
Keyword(s):  
Binding Energy ◽  
Excitation Energy ◽  
Ground State ◽  
Energy Levels ◽  
High Excitation Energy ◽  
Iron Group ◽  
High Excitation ◽  
Missing Energy ◽  
Synthetic Spectra ◽  
Valence Electrons

The purpose of this paper is to make a brief survey of the knowledge of iron group elements as concerns energy levels and transition arrays in neutral and singly ionized atoms and to give rough predictions of missing levels and lines. The amount of data that have been published for these elements after the edition of the Multiplet Tables are considerable. For detailed information about sources of new data and compilations the reader is referred to the Report from Commission 14 in the Transactions of IAU. In this paper we will focus on still missing energy levels and associated missing transitions, which have to be considered in the construction of synthetic spectra.The structure of the iron group elements is complex not only because of the filling of the 3d shell but also because of the competition in binding energy between the 3d- and the 4s electron. For a given number of valence electrons, k, we have to consider three different low configurations in the complex (3d + 4s)k having about the same energy in neutral and singly ionized atoms. In neutral atoms the 3dk−2 4s2 configuration generally occupies the ground state, while the 3dk configuration appears at rather high excitation energy. In the singly ionized atoms all three configurations have about the same energy, giving the most pronounced complexity.

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