نتایج جستجو برای: constituent equations
تعداد نتایج: 261774 فیلتر نتایج به سال:
A bstract We study the sensitivity of High-Luminosity LHC to a light baryonic dark photon B , primarily coupled quarks, as constituent proton. This is achieved by allowing for parton distribution function (PDF) in PDF evolution equations. Depending on mass and coupling photon, standard quark gluon PDFs distorted varying degrees. By analysing effect tails Drell-Yan invariant distributions, we de...
In order to describe the thermomechanical behavior of landfills, a constitutive model based on the macromechanical Theory of Porous Media (TPM) for a saturated thermoelastic porous body has been developed. The body under investigation consists of an organic and inorganic solid phase and a gas phase. All interaction relations between the constituents such as mass transfers, interaction forces an...
a semi-empirical mathematical model for predicting physical part of ignition delay period in the combustion of direct - injection diesel engines with swirl is developed . this model based on a single droplet evaporation model . the governing equations , namely , equations of droplet motion , heat and mass transfer were solved simultaneously using a rung-kutta step by step unmerical method . the...
In previous work of the author and others, max-plus methods have been explored for solution of first-order, nonlinear Hamilton-Jacobi-Bellman partial differential equations (HJB PDEs) and corresponding nonlinear control problems. Although max-plus basis expansion and max-plus finite-element methods provide computational-speed advantages, they still generally suffer from the curse-of-dimensional...
We start from an MIT-bag model calculation which provides information about the constituent quark distributions in the nucleon. The constituent quarks, however, are themselves considered as complex objects whose par-tonic substructure is resolved in deep inelastic scattering. This gives rise to structure functions of the constituent quarks which, in the unpolarized case, are fitted to data at a...
We discuss the nature of the various modes of pulsation of superfluid neutron stars using comparatively simple Newtonian models and the Cowling approximation. The matter in these stars is described in terms of a two-fluid model, where one fluid is the neutron superfluid, which is believed to exist in the core and inner crust of mature neutron stars, and the other fluid represents a conglomerate...
A correction to this paper has been published: https://doi.org/10.1057/s41296-021-00498-6
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