Relevant bibliographies by topics / Quasiparticle Random Phase Approximation (QRPA)

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Conference papers

Academic literature on the topic 'Quasiparticle Random Phase Approximation (QRPA)'

Author: Grafiati
Published: 25 January 2025

Create a spot-on reference in APA, MLA, Chicago, Harvard, and other styles

Select a source type:

Consult the lists of relevant articles, books, theses, conference reports, and other scholarly sources on the topic 'Quasiparticle Random Phase Approximation (QRPA).'

Next to every source in the list of references, there is an 'Add to bibliography' button. Press on it, and we will generate automatically the bibliographic reference to the chosen work in the citation style you need: APA, MLA, Harvard, Chicago, Vancouver, etc.

You can also download the full text of the academic publication as pdf and read online its abstract whenever available in the metadata.

Journal articles on the topic "Quasiparticle Random Phase Approximation (QRPA)"

1

Raduta, A. A., and C. M. Raduta. "A new renormalization procedure of the quasiparticle random phase approximation." International Journal of Modern Physics E 25, no. 03 (2016): 1650017. http://dx.doi.org/10.1142/s0218301316500178.

Full text
Abstract:
The ground state of a many body Hamiltonian considered in the quasiparticle representation is redefined by accounting for the quasiparticle quadrupole pairing interaction. The residual interaction of the newly defined quasiparticles is treated by the quasiparticle random phase approximation (QRPA). Solutions of the resulting equations exhibit specific features. In particular, there is no interaction strength where the first root is vanishing. A comparison with other renormalization methods is presented. Application to a single [Formula: see text]-shell allows for the results interpretation by
APA, Harvard, Vancouver, ISO, and other styles
2

MARIANO, A. "THE NUMBER SELF-CONSISTENT RENORMALIZED RANDOM PHASE APPROXIMATION." International Journal of Modern Physics B 20, no. 30n31 (2006): 5334–37. http://dx.doi.org/10.1142/s0217979206036442.

Full text
Abstract:
RPA and its quasiparticle generalization (QRPA) have been widely used to study electromagnetic transitions and beta decays in medium and heavy nuclei, being the pn-QRPA charge exchange mode extensively employed in the description of single and double beta decays in vibrational nuclei. However develops a collapse, i.e. it presents imaginary eigen-values for strengths beyond a critical value of the force. Extensions called renormalized QRPA (RQRPA) do not develop any collapse going beyond the simplest quasiboson approximation, however they present several drawbacks which will be analyzed.
APA, Harvard, Vancouver, ISO, and other styles
3

González-Miret Zaragoza, Luis, Jean-Paul Ebran, Stéphane Hilaire, Sophie Péru, Mikael Frosini, and Thomas Duguet. "Towards systematic large scale Quasiparticle Random-Phase Approximation calculations with covariant and chiral interactions." EPJ Web of Conferences 294 (2024): 03003. http://dx.doi.org/10.1051/epjconf/202429403003.

Full text
Abstract:
One of the main methods used to microscopically describe collective states in atomic nuclei is the quasiparticle random-phase approximation (QRPA). However, due to its high computational cost, systematic studies covering the full nuclear chart are rare. In this work we show the first results of our systematic large-scale QRPA calculations. We do this by means of the quasiparticle finite-amplitude method (QFAM), which significantly reduces computation times. We use two kinds of interactions, the covariant DD-PC1 and a novel chiral interaction.
APA, Harvard, Vancouver, ISO, and other styles
4

Civitarese, O. "Fundamental nuclear structure symmetries in double beta decay processes." HNPS Proceedings 9 (February 11, 2020): 211. http://dx.doi.org/10.12681/hnps.2792.

Full text
Abstract:
The nuclear structure physics of double beta decay transitions is reviewed starting from the consideration of fundamental symmetries of the nuclear many body problem. The problems found in the use of the Quasiparticle Random Phase Approximation (QRPA) and related approximations, in dealing with the calculation of nuclear double beta decay observables, are understood in terms of the mixing between isospin collective and intrinsic variables.
APA, Harvard, Vancouver, ISO, and other styles
5

YOSHIDA, KENICHI. "LOW-LYING EXCITATION MODES IN DEFORMED NEUTRON-RICH NUCLEI." International Journal of Modern Physics E 17, supp01 (2008): 272–85. http://dx.doi.org/10.1142/s0218301308011914.

Full text
Abstract:
Low-frequency modes of excitation in deformed neutron-rich nuclei are studied by the use of the deformed quasiparticle-random-phase approximation (QRPA) based on the coordinate-space Hartree–Fock–Bogoliubov formalism. We investigate the microscopic structure of the low-lying Kπ = 0+ modes in neutron-rich Mg , Cr and Fe isotopes. It is found that the spatially extended structure of neutron quasiparticle wave functions around the Fermi level brings about a striking enhancement of the transition strengths. It is also found that the fluctuation of the pairing field plays an important role in gener
APA, Harvard, Vancouver, ISO, and other styles
6

Nesterenko, V. O. "Dual nature of low-energy isoscalar monopole and dipole states in light nuclei." Journal of Physics: Conference Series 2586, no. 1 (2023): 012074. http://dx.doi.org/10.1088/1742-6596/2586/1/012074.

Full text
Abstract:
Abstract Isoscalar monopole (IS0) and dipole (IS1) states located below and around the alpha-particle threshold Sα in prolate 24Mg are investigated within fully self-consistent Skyrme Quasiparticle Random-Phase Approximation (QRPA) approach. It is shown that these states demonstrate strong mean-field (MF) effects: dipole vorticity, deformation-induced monopole-quadrupole (IS0/IS2) and dipole-octupole (IS1/IS3) coupling. At the same time, the density distributions show precursors of a cluster structure. So we get a cluster/MF duality with a strong dominance of MF impact. IS0 QRPA results are co
APA, Harvard, Vancouver, ISO, and other styles
7

Quliyev, H., N. Demirci Saygı, E. Guliyev, and A. A. Kuliev. "The electric dipole response of even-even 154–164Dy isotopes." Physica Scripta 97, no. 2 (2022): 025302. http://dx.doi.org/10.1088/1402-4896/ac4863.

Full text
Abstract:
Abstract The excitation of pygmy dipole resonance (PDR) and giant dipole resonance (GDR) in even–even 154–164Dy isotopes is examined through quasiparticle random-phase approximation (QRPA) with the effective interactions that restore the broken translational and Galilean invariances. In each isotope, an electric response emerges by showing ample distribution at energies below and above 10 MeV. We, therefore, study the transition cross-sections and probabilities, photon strength functions, transition strengths, isospin character, and collectivity of the predicted E1 responses.
APA, Harvard, Vancouver, ISO, and other styles
8

YUKSEL, ESRA, and KUTSAL BOZKURT. "TENSOR EFFECTS IN PYGMY DIPOLE EXCITATION." International Journal of Modern Physics E 20, no. 10 (2011): 2143–51. http://dx.doi.org/10.1142/s0218301311020216.

Full text
Abstract:
We investigate tensor effects in pygmy dipole excitations for the case of neutron-rich nuclei 68 Ni and 124 Sn using effective nucleon–nucleon Skyrme interaction. We use the Hartree–Fock–Bogoliubov (HFB) theory and employ the quasiparticle random phase approximation (QRPA). We calculate and compare the PDR and also GDR strength in the PDR–GDR energy region for QRPA calculations with and without tensor correlations. The most obvious results for the dipole excitations calculations are strongly dependent on the tensor terms. We see that the tensor correlations are more active at around 14–20 MeV
APA, Harvard, Vancouver, ISO, and other styles
9

Pirinen, P., J. Suhonen, and E. Ydrefors. "Neutral-Current Neutrino-Nucleus Scattering off Xe Isotopes." Advances in High Energy Physics 2018 (October 4, 2018): 1–11. http://dx.doi.org/10.1155/2018/9163586.

Full text
Abstract:
Large liquid xenon detectors aiming for dark matter direct detection will soon become viable tools also for investigating neutrino physics. Information on the effects of nuclear structure in neutrino-nucleus scattering can be important in distinguishing neutrino backgrounds in such detectors. We perform calculations for differential and total cross sections of neutral-current neutrino scattering off the most abundant xenon isotopes. The nuclear-structure calculations are made in the nuclear shell model for elastic scattering and also in the quasiparticle random-phase approximation (QRPA) and m
APA, Harvard, Vancouver, ISO, and other styles
10

Ren, Zhongzhu, A. Faessler та T. S. Kosmas. "Study of the exotic μ-e conversion in nuclei using RQRPA". HNPS Proceedings 9 (11 лютого 2020): 1. http://dx.doi.org/10.12681/hnps.2772.

Full text
Abstract:
The neutrinoless muon-to-electron conversion in nuclei is studied by using the renormalized quasiparticle random-phase approximation (RQRPA). This generalization of RPA is more reliable for the extremely small (μ-,e-) transition matrix elements than the ordinary QRPA because it restores the Pauli principle to a large extent. We apply the method to a set of nuclei throughout the periodic table, but we specifically investigate the 48Ti and 208Pb nuclei which are currently used as stopping targets at the PSI μ-e conversion experiments with the SINDRUM II spectrometer.
APA, Harvard, Vancouver, ISO, and other styles

Dissertations / Theses on the topic "Quasiparticle Random Phase Approximation (QRPA)"

1

Lechaftois, François. "Description des états excités du noyau par la méthode de la Quasiparticle Random-Phase Approximation et l'interaction de Gogny." Thesis, Université Paris-Saclay (ComUE), 2016. http://www.theses.fr/2016SACLS430/document.

Full text
Abstract:
Cette thèse présente trois aspects centrés autour de la QRPA (Quasiparticle Random Phase Approximation).Le premier consiste en l'utilisation d'un code à symétrie axiale pour confronter des données calculéesà des résultats expérimentaux, et pour alimenter un code microscopique de réactions. Cette étapeest l'occasion d'analyser la spectroscopie du noyau à basse énergie (quelques dizaines de MeV), etplus spécifiquement (mais pas uniquement) la chaîne isotopique de l'étain (Z=50). Le second facetterepose sur l'amélioration d'un formalisme de calcul des opérateurs de transitions éléctromagnétiquesm
APA, Harvard, Vancouver, ISO, and other styles
2

González-Miret, Zaragoza Luis. "Exploring dipole electric strength functions through QRPA : Systematic calculations and other developments." Electronic Thesis or Diss., université Paris-Saclay, 2024. http://www.theses.fr/2024UPASP146.

Full text
Abstract:
La quête d'une description microscopique complète du noyau atomique reste un problème ouvert après près d'un siècle de recherche. Les divers phénomènes présents dans le noyau, qui découlent principalement de sa nature quantique à plusieurs corps, ont conduit à la prolifération de modèles, chacun se spécialisant dans la description d'un ensemble donné de caractéristiques nucléaires. Pour comprendre pleinement le comportement collectif d'un point de vue microscopique, il est essentiel d'aller au-delà de l'approche statique du champ moyen. Toutefois, en raison principalement du coût de calcul éle
APA, Harvard, Vancouver, ISO, and other styles
3

Peña, Arteaga Daniel [Verfasser]. "Relativistic quasiparticle random phase approximation in deformed nuclei / Daniel Pena Arteaga." 2007. http://d-nb.info/987929372/34.

Full text
APA, Harvard, Vancouver, ISO, and other styles

Conference papers on the topic "Quasiparticle Random Phase Approximation (QRPA)"

1

Smetana, Adam, Fedor Šimkovic, Dušan Štefánik, and Mikhail Krivoruchenko. "Nonlinear higher quasiparticle random phase approximation." In PROCEEDINGS OF THE INTERNATIONAL CONFERENCE OF GLOBAL NETWORK FOR INNOVATIVE TECHNOLOGY AND AWAM INTERNATIONAL CONFERENCE IN CIVIL ENGINEERING (IGNITE-AICCE’17): Sustainable Technology And Practice For Infrastructure and Community Resilience. Author(s), 2017. http://dx.doi.org/10.1063/1.5007646.

Full text
APA, Harvard, Vancouver, ISO, and other styles
2

Engel, Jonathan, and M. T. Mustonen. "Calculating beta decay in the deformed self-consistent quasiparticle random phase approximation." In CETUP* 2015 – WORKSHOP ON DARK MATTER, NEUTRINO PHYSICS AND ASTROPHYSICS AND PPC 2015 – IXTH INTERNATIONAL CONFERENCE ON INTERCONNECTIONS BETWEEN PARTICLE PHYSICS AND COSMOLOGY. Author(s), 2016. http://dx.doi.org/10.1063/1.4953297.

Full text
APA, Harvard, Vancouver, ISO, and other styles
3

Paar, N., D. Vretenar, T. Marketin, et al. "Neutrino-nucleus reaction rates based on the relativistic quasiparticle random phase approximation." In FRONTIERS IN NUCLEAR STRUCTURE, ASTROPHYSICS, AND REACTIONS: FINUSTAR 2. AIP, 2008. http://dx.doi.org/10.1063/1.2939358.

Full text
APA, Harvard, Vancouver, ISO, and other styles
4

Ha, Eunja, та Myung-Ki Cheoun. "Nuclear β-Decay Half-Lives in the R-Process Nuclei by Deformed Quasiparticle Random-Phase Approximation". У Proceedings of the 12th Asia Pacific Physics Conference (APPC12). Journal of the Physical Society of Japan, 2014. http://dx.doi.org/10.7566/jpscp.1.013025.

Full text
APA, Harvard, Vancouver, ISO, and other styles
We offer discounts on all premium plans for authors whose works are included in thematic literature selections. Contact us to get a unique promo code!

To the bibliography