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The nuclear response functions for high energy electron scattering were calculated in the wide region of excitation energy. The three typical regions were studied: the quasi-elastic region, the $\Delta$-excitation region and the…

Nuclear Theory · Physics 2009-10-30 Valeriya Gadiyak , Vladimir Dmitriev

The total cross sections of the radiative neutron capture processes on 9Be, 14C, 14N, 15N, and 16O are described in the framework of the modified potential cluster model with the classification of orbital states according to Young tableaux.…

Nuclear Theory · Physics 2014-01-29 Sergey Dubovichenko , Albert Dzhazairov-Kakhramanov , Nadezhda Afanasyeva

Motivated by a recent astrophysical measurement of the pressure of cold matter above nuclear-matter saturation density, we compute the equation of state of neutron star matter using accurately calibrated relativistic models. The uniform…

Nuclear Theory · Physics 2014-11-20 F. J. Fattoyev , J. Piekarewicz

We revisit the study published in [1], related to the behavior of 34 relativistic mean-field models, previously selected because they satisfy bulk nuclear matter properties, here used to compute the critical parameters of the symmetric…

Nuclear Theory · Physics 2018-05-25 M. Dutra , O. Lourenço , D. P. Menezes

The modeling of stellar spectra is pervasive in astronomy. Conventionally, the shapes of absorption lines are modeled by convolving thermal profiles (computed given some model stellar atmosphere and line list) with broadening kernels…

Solar and Stellar Astrophysics · Physics 2025-12-11 Michael L. Palumbo

Incorporating microscopic nuclear-structure information into the discussion of bulk properties of astronomical objects such as neutron stars has always been a challenging issue in interdisciplinary nuclear astrophysics. Using the…

Nuclear Theory · Physics 2025-02-26 Qi-Ye Hu , Long-Jun Wang , Yang Sun

Star-forming galaxies at $z > 1$ exhibit significantly different properties to local galaxies of equivalent stellar mass. Not only are high-redshift star-forming galaxies characterized by higher star formation rates and gas fractions than…

Astrophysics of Galaxies · Physics 2016-11-07 Melanie Kaasinen , Fuyan Bian , Brent Groves , Lisa Kewley , Anshu Gupta

The mean field approximation is used to investigate the general features of the dynamics of a two-level atom in a ferromagnetic lattice close to the Curie temperature. Various analytical and numerical results are obtained. We first…

Quantum Physics · Physics 2023-07-07 Yamen Hamdouni

The properties of high-density nuclear and neutron matter are studied using a relativistic mean-field approximation to the nuclear matter energy functional. Based on ideas of effective field theory, nonlinear interactions between the fields…

Nuclear Theory · Physics 2009-10-30 Horst Mueller , Brian D. Serot

We calculate models of extended stellar atmospheres with a temperature in the range of 12000-40000K and a mass loss rate of $10^{-6}-10^{-4} M_{\odot}$ yr$^{-1}$. A large number of objects with emission spectra, such as luminous blue…

High Energy Astrophysical Phenomena · Physics 2021-05-26 A. Kostenkov , A. Vinokurov , Y. Solovyeva , K. Atapin , S. Fabrika

Context: The solution of the nonlocal thermodynamical equilibrium (non-LTE) radiative transfer equation usually relies on stationary iterative methods, which may falsely converge in some cases. Furthermore, these methods are often unable to…

Solar and Stellar Astrophysics · Physics 2015-07-29 Julien Lambert , Eric Josselin , Nils Ryde , Alexandre Faure

Amongst iron regime nuclei, $\beta$-decay rates on titanium isotopes are considered to be important during the late phases of evolution of massive stars. The key $\beta$-decay isotopes during presupernova evolution were searched from…

Nuclear Theory · Physics 2011-08-05 Jameel-Un Nabi , Irgaziev Bakhadir

We construct the equation of state (EOS) of nuclear matter at finite temperature and density with various proton fractions within the relativistic mean field (RMF) theory for the use in the supernova simulations. The Thomas-Fermi…

Nuclear Theory · Physics 2009-10-31 H. Shen , H. Toki , K. Oyamatsu , K. Sumiyoshi

The cross section for radiative capture of neutron on carbon-14 is calculated using the model-independent formalism of halo effective field theory. The dominant contribution from E1 transition is considered, and the cross section is…

Nuclear Theory · Physics 2015-06-04 Gautam Rupak , Lakma Fernando , Akshay Vaghani

The idea of slow-neutron capture nucleosynthesis formulated in 1957 triggered a tremendous experimental effort in different laboratories worldwide to measure the relevant nuclear physics input quantities, namely ($n,\gamma$) cross sections…

Instrumentation and Detectors · Physics 2020-12-09 C. Domingo-Pardo , V. Babiano-Suarez , J. Balibrea-Correa , L. Caballero , I. Ladarescu , J. Lerendegui-Marco , J. L. Tain , F. Calviño , A. Casanovas , A. Segarra , A. E. Tarifeño-Saldivia , C. Guerrero , M. A. Millán-Callado , J. M. Quesada , M. T. Rodríguez-González , O. Aberle , V. Alcayne , S. Amaducci , J. Andrzejewski , L. Audouin , M. Bacak , M. Barbagallo , S. Bennett , E. Berthoumieux , D. Bosnar , A. S. Brown , M. Busso , M. Caamaño , M. Calviani , D. Cano-Ott , F. Cerutti , E. Chiaveri , N. Colonna , G. P. Cortés , M. A. Cortés-Giraldo , L. Cosentino , S. Cristallo , L. A. Damone , P. J. Davies , M. Diakaki , M. Dietz , R. Dressler , Q. Ducasse , E. Dupont , I. Durán , Z. Eleme , B. Fernández-Domíngez , A. Ferrari , I. Ferro-Goncalves , P. Finocchiaro , V. Furman , R. Garg , A. Gawlik , S. Gilardoni , K. Göbel , E. González-Romero , F. Gunsing , J. Heyse , D. G. Jenkins , E. Jericha , U. Jiri , A. Junghans , Y. Kadi , F. Käppeler , A. Kimura , I. Knapová , M. Kokkoris , Y. Kopatch , M. Krtička , D. Kurtulgil , C. Lederer-Woods , S. -J. Lonsdale , D. Macina , A. Manna , T. Martínez , A. Masi , C. Massimi , P. F. Mastinu , M. Mastromarco , E. Maugeri , A. Mazzone , E. Mendoza , A. Mengoni , V. Michalopoulou , P. M. Milazzo , F. Mingrone , J. Moreno-Soto , A. Musumarra , A. Negret , F. Ogállar , A. Oprea , N. Patronis , A. Pavlik , J. Perkowski , C. Petrone , L. Piersanti , E. Pirovano , I. Porras , J. Praena , D. Ramos Doval , R. Reifarth , D. Rochman , C. Rubbia , M. Sabaté-Gilarte , A. Saxena , P. Schillebeeckx , D. Schumann , A. Sekhar , A. G. Smith , N. Sosnin , P. Sprung , A. Stamatopoulos , G. Tagliente , L. Tassan-Got , B. Thomas , P. Torres-Sánchez , A. Tsinganis , S. Urlass , S. Valenta , G. Vannini , V. Variale , P. Vaz , A. Ventura , D. Vescovi , V. Vlachoudis , R. Vlastou , A. Wallner , P. J. Woods , T. J. Wright , P. v Zugec , The n_TOF Collaboration

A high-power Liquid-Lithium Target (LiLiT) was used for the first time for neutron production via the thick-target 7Li(p,n)7Be reaction and quantitative determination of neutron capture cross sections. Bombarded with a 1-2 mA proton beam at…

Using the relativistic point-coupling model with density functional PC-PK1, the magnetic moments of the nuclei $^{207}$Pb, $^{209}$Pb, $^{207}$Tl and $^{209}$Bi with a $jj$ closed-shell core $^{208}$Pb are studied on the basis of…

Nuclear Theory · Physics 2013-12-09 J. Li , J. X. Wei , J. N. Hu , P. Ring , J. Meng

Numerical values of charged-particle thermonuclear reaction rates for nuclei in the A=14 to 40 region are tabulated. The results are obtained using a method, based on Monte Carlo techniques, that has been described in the preceding paper of…

Solar and Stellar Astrophysics · Physics 2015-05-18 Christian Iliadis , Richard Longland , Art Champagne , Alain Coc , Ryan Fitzgerald

We construct the equation of state (EOS) in a wide density range for neutron stars using the relativistic mean field theory. The properties of neutron star matter with both uniform and non-uniform distributions are studied consistently. The…

Nuclear Theory · Physics 2009-11-07 H. Shen

We present measurements of the resonant microwave absorption by the Rydberg energy levels of surface state electrons on the surface of superfluid liquid helium, in the frequency range 165 - 220 GHz. The resonant frequency was strongly…

Mesoscale and Nanoscale Physics · Physics 2017-12-27 E. Collin , W. Bailey , P. Fozooni , P. G. Frayne , P. Glasson , K. Harrabi , M. J. Lea