Low- and high-energy spectroscopy of O-17 and F-17 within a microscopic multiphonon approach

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61389005%3A_____%2F17%3A00474567" target="_blank" >RIV/61389005:_____/17:00474567 - isvavai.cz</a>

Alternative codes found

RIV/00216208:11320/17:10368633

Result on the web

<a href="http://dx.doi.org/10.1103/PhysRevC.95.034327" target="_blank" >http://dx.doi.org/10.1103/PhysRevC.95.034327</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1103/PhysRevC.95.034327" target="_blank" >10.1103/PhysRevC.95.034327</a>

Result language

angličtina

Original language name

Low- and high-energy spectroscopy of O-17 and F-17 within a microscopic multiphonon approach

Original language description

The extension of an equation of motion phonon method to odd nuclei is described step by step. Equations of motion are first constructed and solved to generate an orthonormal basis of correlated n-phonon states (n = 0,1,2,...), built of constituent Tamm-Dancoff phonons, describing the excitations of a doubly magic core. Analogous equations are then derived within a subspace spanned by a valence particle coupled to the n-phonon core states and solved iteratively to yield a basis of correlated orthonormal multiphonon particle-core states. The basis so constructed is used to solve the full eigenvalue problem for the odd system. The formalism does not rely on approximations but lends itself naturally to simplifying assumptions, as illustrated by its application to O-17 and F-17. Self-consistent calculations using a chiral Hamiltonian in a space encompassing up to three-phonon basis states generate spectra having a high level density, comparable to that observed experimentally. The spectroscopic properties are investigated at low energy through the calculation of moments, electromagnetic and beta-decay transition strengths, and at intermediate and high energy through the computation of the electric-dipole spectra and pygmy and giant dipole resonance cross sections. The analysis of the particle-phonon composition of the eigenfunctions contributes to clarify the mechanism of excitation of levels and resonances and gives unique insights into their nature.

Czech name

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Czech description

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Type

J_imp - Article in a specialist periodical, which is included in the Web of Science database

CEP classification

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OECD FORD branch

10301 - Atomic, molecular and chemical physics (physics of atoms and molecules including collision, interaction with radiation, magnetic resonances, Mössbauer effect)

Project

<a href="/en/project/GA13-07117S" target="_blank" >GA13-07117S: Statistical approaches to quantum many-body systems</a><br>

Continuities

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year

2017

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Name of the periodical

Physical Review C

ISSN

2469-9985

e-ISSN

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Volume of the periodical

95

Issue of the periodical within the volume

3

Country of publishing house

US - UNITED STATES

Number of pages

14

Pages from-to

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UT code for WoS article

000399144100001

EID of the result in the Scopus database

2-s2.0-85016469125