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Related papers: Electron capture of iron group nuclei in magnetars

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We calculate $\Lambda$ and $\bar{\Lambda}$ hadron production cross sections in charged lepton semi-inclusive deep-inelastic scattering off nuclear target ($A$, using iron $\mathrm{Fe}$ as an example) and deuteron ($D$) target. The results…

Nuclear Theory · Physics 2018-07-04 Chang Gong , Bo-Qiang Ma

The exchange interaction among electrons is one of the most fundamental quantum mechanical interactions in nature and underlies any magnetic phenomena from ferromagnetic ordering to magnetic storage. The current technology is built upon a…

Materials Science · Physics 2015-05-20 G. P. Zhang , M. S. Si , Y. H. Bai , Thomas F. George

We report about a study of the ordinary muon capture in nuclei belonging to the sd shell, an electroweak process that occurs with exchange momenta far larger than ordinary beta decays (approximately 100 MeV). Such a characteristic places…

Nuclear Theory · Physics 2025-10-09 S. L. Lyu , G. De Gregorio , T. Fukui , N. Itaco , L. Coraggio

Electroweak radiative corrections to muon capture on nuclei are computed and found to be sizable. They enhance the capture rates for hydrogen and helium by 2.8% and 3.0% respectively. As a result, the value of the induced pseudoscalar…

High Energy Physics - Phenomenology · Physics 2008-11-26 A. Czarnecki , W. J. Marciano , A. Sirlin

We introduce a self-consistent microscopic theoretical framework for modelling the process of electron capture on nuclei in stellar environment, based on relativistic energy density functionals. The finite-temperature relativistic…

Nuclear Theory · Physics 2011-05-13 YiFei Niu , Nils Paar , Dario Vretenar , Jie Meng

We offer a new theoretical interpretation for the effect of enhanced electron density at $^7$Be nucleus encapsulated in fullerene C$_{60}$. Our {\it{ab initio}} Hartree-Fock calculations show that electron density at the $^7$Be nucleus in…

Nuclear Theory · Physics 2010-04-06 E. V. Tkalya , A. V. Bibikov , I. V. Bodrenko

The measurements of inclusive electron scattering from nuclear targets carried out at the Thomas Jefferson National Accelerator Facility in the mid 2000s have provided valuable novel information on the $A$-dependence of the modifications of…

Nuclear Theory · Physics 2026-04-06 Omar Benhar , Alessandro Lovato

Electron capture (EC) isotopes are known to provide constraints on the low energy behavior of cosmic rays (CRs), such as re-acceleration. Here we study the EC isotopes within the framework of the dynamic spiral-arms CR propagation model in…

High Energy Astrophysical Phenomena · Physics 2017-12-27 David Benyamin , Nir J. Shaviv , Tsvi Piran

In the first stage of this work, we perform detailed calculations for the cross sections of the electron capture on nuclei under laboratory conditions. Towards this aim we exploit the advantages of a refined version of the proton-neutron…

Nuclear Theory · Physics 2015-02-26 P. G. Giannaka , T. S. Kosmas

With the rapid development of nanophotonics and cavity quantum electrodynamics, there has been growing interest in how confined electromagnetic fields modify fundamental molecular processes such as electron transfer. In this paper, we…

Chemical Physics · Physics 2026-04-20 Wenxiang Ying , Abraham Nitzan

Efficient excitation of nuclei via exchange of a real or virtual photon has a fundamental importance for nuclear science and technology development. Here, we present a new mechanism of nuclear excitation based on the capture of a free muon…

Nuclear Theory · Physics 2022-10-12 Simone Gargiulo , Ming Feng Gu , Fabrizio Carbone , Ivan Madan

In one of the papers, El-Maaref et al. [J. Elect. Spectrosc. Related Phen. 215 (2017) 22] have reported results for energy levels, oscillator strengths (f-values), radiative rates (A-values), collision strengths ($\Omega$), and excitation…

Atomic Physics · Physics 2019-06-20 K M Aggarwal

The strength of electronic correlation effects in the spin-dependent electronic structure of ferromagnetic bcc Fe(110) has been investigated by means of spin and angle-resolved photoemission spectroscopy. The experimental results are…

High energy electron irradiation is an efficient way to create vacancy-interstitial Frenkel pairs in crystal lattice, thereby inducing controlled non-magnetic point - like scattering centers. In combination with London penetration depth and…

Superconductivity · Physics 2018-06-13 Kyuil Cho , M. Konczykowski , S. Teknowijoyo , M. A. Tanatar , R. Prozorov

We investigate the influences of the nuclear composition on the weak interaction rates of heavy nuclei during the core collapse of massive stars. The nuclear abundances in nuclear statistical equilibrium (NSE) are calculated by some…

High Energy Astrophysical Phenomena · Physics 2017-03-21 Shun Furusawa , Hiroki Nagakura , Kohsuke Sumiyoshi , Chinami Kato , Shoichi Yamada

We develop a theory of the spin battery effect in superconductor/ferromagnetic insulator (SC/FI) systems taking into account the magnetic proximity effect. We demonstrate that the spin-energy mixing enabled by the superconductivity leads to…

Mesoscale and Nanoscale Physics · Physics 2021-06-30 Risto Ojajärvi , Tero T. Heikkilä , P. Virtanen , M. A. Silaev

The interlayer exchange coupling (IEC) of two local moment ferromagnetic layers separated by a non-magnetic spacer layer (M/N/M multilayer) is studied using the modified RKKY method along with the s-f model. The IEC exhibits oscillatory…

Condensed Matter · Physics 2009-11-07 S. Mathi Jaya , M. C. Valsakumar , W. Nolting

The Zeeman effect is an important topic in atomic spectroscopy. The induced change in transition frequencies and amplitudes finds applications in the Earth-field-range magnetometry. At intermediate magnetic field amplitude $B\sim B_0 =…

Atomic Physics · Physics 2023-11-23 Armen Sargsyan , Emmanuel Klinger , Ara Tonoyan , David Sarkisyan

We show that extraordinary magnetoresistance (EMR) arises in systems consisting of two components; a semiconducting ring with a metallic inclusion embedded. The im- portant aspect of this discovery is that the system must have a…

Materials Science · Physics 2010-08-02 T. H. Hewett , F. V. Kusmartsev

A linear correlation is shown quantitatively between the magnitude of the EMC effect measured in electron deep inelastic scattering (DIS) and the nuclear residual strong interaction energy (RSIE) obtained from nuclear binding energy…

Nuclear Theory · Physics 2015-03-31 Rong Wang , Xurong Chen