搜索结果: 121-135 共查到“知识库 原子核物理学”相关记录4022条 . 查询时间(2.784 秒)
Unitary fermions on the lattice I: in a harmonic trap
unitary fermions Bertsch parameter overlap problem
2011/7/21
We present a new lattice Monte Carlo approach developed for studying large numbers of strongly interacting nonrelativistic fermions, and apply it to a dilute gas of unitary fermions confined to a harm...
On kinematical constraints in fermion-antifermion systems
kinematical constraints fermion-antifermion systems
2011/7/21
We consider the scattering of fermions off antifermions with spin 1/2 and 3/2. Starting from helicity partial-wave scattering amplitudes we derive transformations that eliminate all kinematical constr...
On the Determination of \bar{d}/\bar{u} Ratios from Proton-Proton and Proton-Deuteron Drell-Yan Processes
Proton-Proton Proton-Deuteron Drell-Yan Processes
2011/7/21
By using the convolution formula derived within the framework of relativistic quantum mechanics, we have examined the Fermi Motion effects on the ratios R_{pd/pp}= sigma^{pd}/(2 sigma^{pp}) between th...
We deduce the maximum-entropy state of partons created in proton-proton and nucleus-nucleus collisions.
The nucleon axial mass and the MiniBooNE Quasielastic Neutrino-Nucleus Scattering problem
nucleon axial mass MiniBooNE Quasielastic Neutrino-Nucleus Scattering problem
2011/7/21
The charged-current double differential neutrino cross section, measured by the MiniBooNE Collaboration, has been analyzed using a microscopical model that accounts for, among other nuclear effects, l...
Kinetics of Chiral Phase Transitions in Quark Matter
Kinetics Chiral Phase Transitions Quark Matter
2011/7/21
We study the kinetics of chiral transitions in quark matter using a microscopic framework (Nambu-Jona-Lasinio model) and a phenomenological model (Ginzburg-Landau free energy).
Predicted charged charmonium-like structures in the hidden-charm dipion decay of higher charmonia
charged charmonium-like dipion decay
2011/7/21
In this work, we predict two charged charmonium-like structures close to the $D^\ast\bar{D}$ and $D^\ast\bar{D}^\ast$ thresholds, where the Initial Single Pion Emission mechanism is introduced in the ...
Asymptotic behavior of pion form factors
Vector Meson Dominance Regge behavior dispersion relations
2011/7/21
We consider the electromagnetic and transition pion form factors. Using dispersion relations we simultaneously describe both the hadronic, time-like region and the asymptotic region of large energy-mo...
A system of two heavy fermions, leptons or quarks of the fourth generation, which are bound together via the Higgs boson exchange is studied.
We study the QCD phase diagram at finite temperature and baryon chemical potential by relating the behavior of the light-quark condensate to the threshold energy for the onset of perturbative QCD.
Deciphering non-femtoscopic two-pion correlations in $p+p$ collisions with simple analytical models
non-femtoscopic two-pion analytical models
2011/7/21
A simple model of non-femtoscopic particle correlations in proton-proton collisions is proposed.
Among the still unmeasured neutrino properties, the third neutrino mixing angle, theta13, is likely to be the one we will next find out.
New flow observables
New flow observables
2011/7/21
Event-by-event fluctuations of the initial transverse density profile result in a collective flow pattern which also fluctuates event by event.
The self-consistent general relativistic solution for a system of degenerate neutrons, protons and electrons in beta-equilibrium
Neutron Star Electrodynamics General Relativistic Thomas-Fermi treatment
2011/7/21
We present the self-consistent treatment of the simplest, nontrivial, self-gravitating system of degenerate neutrons, protons and electrons in $\beta$-equilibrium within relativistic quantum statistic...
Low and medium energy deuteron-ind ced reactions on $^{63,65}$Cu nuclei
Low medium energy deuteron-ind ced reactions
2011/7/21
The activation cross sections of (d,p), (d,2n), (d,3n), and (d,2p) reactions on 63,65Cu were measured in the energy range from 4 to 20 MeV using the stacked-foils technique.