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Problems related to gauge invariance and momentum, spin decomposition in nucleon structure study
Pleiades Publishing Ltd - Tập 45 Số 4 - Trang 808-816 - 2014
How do the quark and gluon share the nucleon momentum? How does the nucleon spin distribute among its constituents? What means the quark and gluon momentum, spin and orbital angular momentum? These problems are analyzed and a solution is proposed based on gauge invariance principle, canonical quantization rule and Poincaré covariance.
Investigation of the Electric Field Uniformity in the ReD Detector
Pleiades Publishing Ltd - Tập 53 - Trang 493-496 - 2022
This work presents the results of modeling the drift field in TPC for the ReD experiment, aimed to study nuclear recoils from neutron beam at the INFN Laboratori Nazionali del Sud in Catania. To verify the accuracy of the simulation of the electric field in the detector, a comparison of 2D and 3D modeling with a semi-empirical formula was conducted. Simulation was performed using the Comsol multip...... hiện toàn bộ
Generalized Maxwell–Boltzmann Distribution for Rotating Spinning Particle Gas
Pleiades Publishing Ltd - Tập 54 - Trang 1049-1052 - 2023
We consider statistical mechanics of rotating ideal gas of non-relativistic spinning particles. Applying the Gibbs canonical distribution function for a rotating system with fixed value of angular velocity and temperature, we find the one-particle distribution function generalizing the classical Maxwell–Boltzmann distribution. Our analysis demonstrates that the spin-orbital interaction makes the s...... hiện toàn bộ
A Method of Fast Calculaion of Lepton Magnetic Moments in Quantum Electrodynamics
Pleiades Publishing Ltd - - 2022
Various Applications of Precision Low-Energy Nuclear Electron Spectrometry in the KATRIN Tritium Neutrino Project
Pleiades Publishing Ltd - Tập 50 - Trang 683-720 - 2019
The energy scale of the main spectrometer in the KATRIN tritium project is required to remain stable within ±60 meV at an electron energy of 18.6 keV for two months in order to reach the intended sensitivity of 0.2 eV for the rest mass of the electron antineutrino. A natural source of reference electrons with an energy of 17824.3 ± 0.5 eV based on K-conversion electrons of the 32-keV nuclear γ-tra...... hiện toàn bộ
Limits of Majorana neutrino mass from combined analysis of data from 76Ge and 136Xe neutrinoless double beta decay experiments
Pleiades Publishing Ltd - Tập 48 Số 1 - Trang 21-26 - 2017
Low and High Energy Constraints in AdS/QCD Models
Pleiades Publishing Ltd - Tập 53 - Trang 387-392 - 2022
The AdS/QCD models are believed to interpolate between low and high energy sectors of QCD. This belief is usually based on observations that many phenomenologically reasonable predictions follow from bounds imposed at high energies. We consider an AdS/QCD model describing the Regge-like linear spectrum of spin-1 mesons in a general form and show that under definite physical assumptions, the low-en...... hiện toàn bộ
Theory of Holographic Models for Linear Regge Trajectories and Its Applications
Pleiades Publishing Ltd - Tập 54 Số 3 - Trang 429-435 - 2023
We develop a bottom-up holographic theory of linear meson Regge trajectories that generalizes and unites into one logical framework various bottom-up holographic approaches proposed in the past and scattered in the literature. Various interrelations between the emerging models are studied. A recipe is proposed that allows to avoid the problem of unphysical massless pole arising in the vector case ...... hiện toàn bộ
Approximation of jet axis in rapidity separated dihadron correlations
Pleiades Publishing Ltd - Tập 45 - Trang 108-109 - 2014
The PHENIX experiment has observed particle production asymmetries in transversely polarized proton collisons. This talk presents a novel approach for separating the final-state and initial-state components of the observed asymmetries using the existing PHENIX detector.
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