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The study of the hyperfine (hfs) anomaly in neutron rich nuclei can give a very specific and unique way to study the neutron distribution and the clustering structure. We study the sensitivity of the hfs anomaly to the clustering effects in…

Nuclear Theory · Physics 2015-06-26 Y. L. Parfenova , Ch. Leclercq-Willain

A consistent model for the description of non-Maxwellian nuclear processes in the solar core triggered by fast reaction-produced particles is formulated. It essentially extends an approach to study suprathermal solar reactions discussed…

Solar and Stellar Astrophysics · Physics 2016-06-03 Victor T. Voronchev , Yasuyuki Nakao , Yukinobu Watanabe

The algebraic cluster model is is applied to study cluster states in the nuclei 12C and 16O. The observed level sequences can be understood in terms of the underlying discrete symmetry that characterizes the geometrical configuration of the…

Nuclear Theory · Physics 2017-11-02 Roelof Bijker

The analysis of the core recoil momentum distribution of neutron-rich isotopes of light exotic nuclei is performed within a model of the halo nuclei described by a core and two neutrons dominated by the $s-$wave channel. We adopt the…

Nuclear Theory · Physics 2016-05-04 L. A. Souza , F. F. Bellotti , T. Frederico , M. T. Yamashita , L. Tomio

A fully antisymmetrized microscopic model is developed for light two-neutron halo nuclei using a hyper-spherical basis to describe halo regions. The many-body wavefunction is optimized variationally. The model is applied to 6He bound by…

Nuclear Theory · Physics 2014-11-21 I. Brida , F. M. Nunes

Exotic cluster decay of very heavy nuclei is studied using the microscopic nuclear potentials obtained by folding density dependent M3Y effective interaction with the densities of the cluster and the daughter nuclei. The microscopic nuclear…

Nuclear Theory · Physics 2009-06-24 T. R. Routray , Jagajjaya Nayak , D. N. Basu

Photodisintegration and radiative capture in the N2H, N3H, N3He, 2H2H, 2H3He, 2H4He, 3He3H, 4He3H, and 4He3He channels are studied on the basis of the corresponding two-cluster potential models. The astrophysical S factors at low energies…

Nuclear Theory · Physics 2007-05-23 S. B. Dubovichenko , A. V. Dzhazairov-Kakhramanov

Background: Reactions with halo nuclei from deformed regions exhibit important deviations from the inert core+valence picture. Structure and reaction formalisms have recently been extended or adapted to explore the possibility of exciting…

Nuclear Theory · Physics 2025-02-25 P. Punta , J. A. Lay , A. M. Moro

We present a fully microscopic three-cluster nuclear model for light nuclei on the basis of a J-Matrix approach. We apply the Modified J-Matrix method on $^{6}He$ and $^{6}Be$ for both scattering and reaction problems, analyse the Modified…

Nuclear Theory · Physics 2007-05-23 F. Arickx , J. Broeckhove , A. Nesterov , V. Vasilevsky , W. Vanroose

The progress in the modeling of exotic nuclei with an extreme neutron-to-proton ratio is discussed. Two topics are emphasized: (i) the quest for the universal microscopic nuclear energy density functional and (ii) the progress in the…

Nuclear Theory · Physics 2017-08-23 J. Dobaczewski , N. Michel , W. Nazarewicz , M. Ploszajczak , M. V. Stoitsov

We have investigated the implications of the neutron halo configuration, observed in the ground-state of some neutron-rich light nuclei, on neutron radiative transition processes. In particular, we have studied the influence of the neutron…

Nuclear Theory · Physics 2009-10-30 A. Mengoni , T. Otsuka , T. Nakamura , M. Ishihara

Photodisintegration and radiative capture in the N2H, N3H, N3He, 2H2H, 2H3He, 2H4He, 3He3H, 4He3H, and 4He3He channels are studied on the basis of the corresponding two-cluster potential models. The astrophysical S factors at low energies…

Nuclear Theory · Physics 2009-09-25 S. B. Dubovichenko , A. V. Dzhazairov-Kakhramanov

Spherical harmonics form a complete orthonormal basis which allows any function on the sphere to be expanded. The nuclear shape of a given eigenstate can thus be described within Bohr's quasi-molecular model by a coordinate transformation…

Nuclear Theory · Physics 2026-05-19 José Nicolás Orce , Manfred Jason Jaftha

Photodisintegration and radiative capture in the N2H, N3H, N3He, 2H2H, 2H3He, 2H4He, 3He3H, 4He3H, and 4He3He channels are studied on the basis of the corresponding two-cluster potential models. The astrophysical S factors at low energies…

Nuclear Theory · Physics 2007-05-23 S. B. Dubovichenko , A. V. Dzhazairov-Kakhramanov

In the present paper clustering and correlations within halo systems is explored. In particular, the application of neutron-neutron interferometry and Dalitz-plot type analyses is presented through the example provided by the dissociation…

Nuclear Experiment · Physics 2008-11-26 N. A. Orr

The classification of large halos formed by two identical particles and a core is systematically addressed according to interparticle distances. The root-mean-square distances between the constituents are described by universal scaling…

Nuclear Theory · Physics 2009-11-11 T. Frederico , M. T. Yamashita , A. Delfino , Lauro Tomio

The clear separation of scales observed in halo nuclei between the extended halo and the compact core makes these exotic nuclei a perfect subject for Effective Field Theory (EFT). Such description leads to a systematic expansion of the…

Nuclear Theory · Physics 2022-01-05 Pierre Capel

The recent availability of radioactive beams has opened up a new era in nuclear physics. The interactions and structure of exotic nuclei close to the drip lines have been studied extensively world wide, and it has been revealed that…

Nuclear Theory · Physics 2017-08-23 K. Hagino , I. Tanihata , H. Sagawa

We explore the appearance of light clusters at high densities of collapsing stellar cores. Special attention is paid to the unstable isotope H4, which was not included in previous studies. The importance of light clusters in the calculation…

Nuclear Theory · Physics 2018-12-27 Andrey Yudin , Matthias Hempel , Sergei Blinnikov , Dmitriy Nadyozhin , Igor Panov

The structure of the neutron-rich carbon nucleus ^{16}C is described by introducing a new microscopic shell model of no-core type. The model space is composed of the 0s, 0p, 1s0d, and 1p0f shells. The effective interaction is…

Nuclear Theory · Physics 2008-11-26 S. Fujii , T. Mizusaki , T. Otsuka , T. Sebe , A. Arima