搜索结果: 1-15 共查到“物理学 moments”相关记录44条 . 查询时间(0.08 秒)
A curious thing happened when MIT researchers Adam Vernon and Ronald Garcia Ruiz, along an international team of scientists, recently performed an experiment in which a sensitive laser spectroscopy te...
Sum rules for magnetic moments and polarizabilities in QED and chiral effective-field theory
Anomalous magnetic moment the cross section of discrete integral number arsene wenger reproduction
2014/12/20
We elaborate on a recently proposed extension of the Gerasimov-Drell-Hearn (GDH) sum rule which is achieved by taking derivatives with respect to the anomalous magnetic moment. The new sum rule featur...
Light baryon magnetic moments and N ->Delta gamma transition in a Lorentz covariant chiral quark approach
Magnetic moment light baryons lorentz covariance baryons bound state pseudo-scalar meson
2014/12/20
We calculate magnetic moments of light baryons and N→Δγ transition characteristics using a manifestly Lorentz covariant chiral quark approach for the study of baryons as bound states of constituent qu...
Incorporating Forcing Terms in Cascaded Lattice-Boltzmann Approach by Method of Central Moments
Incorporating Forcing Terms Cascaded Lattice-Boltzmann Approach Central Moments
2012/2/29
Cascaded lattice-Boltzmann method (Cascaded-LBM) employs a new class of collision operators aiming to improve numerical stability. It achieves this and distinguishes from other collision operators, su...
On High Moments and the Spectral Norm of Large Dilute Wigner Random Matrices
random matrices Wigner ensemble dilute random matrices
2011/9/22
Abstract: We consider a dilute version of the Wigner ensemble of n-dimensional random matrices H such that each row has in average \rho_n non-zero elements. We study asymptotic properties of the spect...
Probing the QCD Critical Point with Higher Moments of Net-proton Multiplicity Distributions
Net-proton Multiplicity Distributions QCD Critical Point
2011/7/21
Higher moments of event-by-event net-proton multiplicity distributions are applied to search for the QCD critical point in the heavy ion collisions. It has been demonstrated that higher moments as wel...
A framework for the analysis of scattering from complex objects using locally smooth surface parametrizations and the generalized method of moments
Generalized method of moments Locally smooth surface parametrizations Integral equations Acoustic scattering
2011/8/5
Abstract: The analysis of acoustic scattering from complex geometries is a problem with wide ranging applications from material evaluation to nondestructive testing, to diagnostic medicine. The abilit...
Searching for the QCD Critical Point Using Particle Ratio Fluctuations and Higher Moments of Multiplicity Distributions
QCD Particle Ratio Fluctuations Multiplicity Distributions
2011/7/20
Dynamical fluctuations in global conserved quantities such as baryon number, strangeness, or charge may be observed near a QCD critical point. Results from new measurements of dynamical $K/\pi$, $p/\p...
An effective medium approach to the asymptotics of the statistical moments of the parabolic Anderson model and Lifshitz tails
Random medium random Schrodinger operators heat equation with random potential
2011/7/27
An effective medium approach to the asymptotics of the statistical moments of the parabolic Anderson model and Lifshitz tails.
On neutrino-atom scattering in searches for neutrino magnetic moments
neutrino-atom neutrino magnetic moments
2011/4/6
On neutrino-atom scattering in searches for neutrino magnetic moments 。
Duality violations in tau hadronic spectral moments
Duality violations tau hadronic spectral moments
2011/1/7
Evidence is presented for the necessity of including duality violations in a consistent description of spectral function moments employed in the precision determination of $\alpha_s$ from $\tau$ decay...
Lattice Results for Low Moments of Light Meson Distribution Amplitudes
Low Moments of Light Meson Distribution Amplitudes
2011/1/14
As part of the UKQCD and RBC collaborations’ Nf = 2+1 domain-wall fermion phenomenology
programme, we calculate the first two moments of the light-cone distribution amplitudes of the
pseudoscalar me...
Lattice Results for Low Moments of Light Meson Distribution Amplitudes
Lattice Results Low Moments Light Meson Distribution Amplitudes
2011/1/7
As part of the UKQCD and RBC collaborations' N_f=2+1 domain-wall fermion phenomenology programme, we calculate the first two moments of the light-cone distribution amplitudes of the pseudoscalar meson...
Magnetic Moments of Negative-Parity Baryons from Lattice QCD
Negative-Parity Baryons Lattice QCD
2011/1/7
We report preliminary results for the magnetic moments of negative-parity baryons extracted from mass shifts in the presence of static external magnetic fields. The calculations are done on $24^3\time...
Nuclear spins, magnetic moments and quadrupole moments of Cu isotopes from N = 28 to N = 46: probes for core polarization effects
Nuclear spins magnetic moments quadrupole moments Cu isotopes probes core polarization effects
2010/12/31
Measurements of the ground-state nuclear spins, magnetic and quadrupole moments of the copper isotopes from 61Cu up to 75Cu are reported. The experiments were performed at the ISOLDE facility, using t...