FieldsNuclear physics

A New Method for Finding Bound States in the Continuum

This study presents a general theory for constructing potentials supporting bound states in the continuum, offering a method for identifying such states in real quantum systems.

Mathematical methods, classical and quantum physics, relativity, gravitation, numerical simulation, computational modeling

Nuclear physics

Highly Accurate Estimation of Beta Decay Rates for Heavy Nuclei

Physicists from Japan present complete formulas that consider the induced current and velocity-dependent terms for estimating the beta decay rates in heavy nuclei with high accuracy.

Nuclear physics

Towards a Better Understanding of the Short-range Repulsive Nuclear Force

In a new study, researchers provide an experimental estimate of the short-range repulsive nuclear force strength based on a high-statistics measurement of the differential cross-section for Σ⁺p scattering.

Nuclear physics

Towards Radionuclide Cancer Therapy with High Purity ¹⁷⁷Lu from Enriched ¹⁷⁶Yb Samples

A method was developed to estimate the isotopic compositions of enriched ¹⁷⁶Yb sample required for producing radionuclide ¹⁷⁷Lu used for cancer therapy, with high radionuclide purity in accelerators.

Nuclear physics

Cross-disciplinary physics and related areas of science and technology

How Good is the Transition-State Theory?

For the first time, the main assumption of the transition-state theory for the decay of complex quantum systems across a potential barrier was realized using a microscopic many-body Hamiltonian.

Statistical physics and thermodynamics

Nuclear physics

Estimating Beta Decay Rates Better for Exotic Nuclei

Physicists from Japan demonstrate an improved estimation of the beta decay rate in heavy nuclei by considering next-to-leading-order approximation for the electron wave function distorted by the Coulomb potential.

Nuclear physics

A Quantum Description of Physical Systems with Non-real Energies

While quantum systems are traditionally described by Hermitian Hamiltonians, the formalism is extendable to a non-Hermitian description for systems that are dissipative or obey parity-time symmetry.

Mathematical methods, classical and quantum physics, relativity, gravitation, numerical simulation, computational modeling

Nuclear physics

Electron states in condensed matter

Gases, plasmas, electric discharges, accelerators, and beams

New Findings Hint Towards Existence of Kaonic Nuclei and Hyper-nuclei

Scientists reveal a new feature in nuclear physics: the existence of kaonic nuclei and hyper-nuclei. These findings can enhance our understanding of nature and contribute to technological progress.

Nuclear physics