Results 31 to 40 of about 65,341 (269)

Configuration entropy of ϒ(1S) state in strong coupling plasma

open access: yesPhysics Letters B, 2023
To better understand the effects of strong coupling and QCD at high temperature in QGP, by using holographic model, we investigate the dissociation effect of bottomonium under the higher-order curvature corrections to the supergravity action ...
Yan-Qing Zhao, Defu Hou
doaj   +1 more source

Precision control of miniature SCARA robots for multi-object spectrographs

open access: yesInternational Journal of Optomechatronics, 2020
Advances in astronomy led to the demand for measuring the spectra of multiple night sky objects simultaneously. Some of these Multi-Object Spectrographs use robotic systems that position optical fibers in the focal plane of the observing telescope. These
Luzius Kronig   +6 more
doaj   +1 more source

$$J/\Psi $$ J / Ψ suppression in a rotating magnetized holographic QGP matter

open access: yesEuropean Physical Journal C: Particles and Fields, 2023
We study the dissociation effect of $$J/\Psi $$ J / Ψ in magnetized, rotating QGP matter at finite temperature and chemical potential using gauge/gravity duality. By incorporating angular velocity into the holographic magnetic catalysis model, we analyze
Yan-Qing Zhao, Defu Hou
doaj   +1 more source

The Practical dimensions of youth policy implementation in Poland on the example of Europe4Youth Association

open access: yesYouth in Central and Eastern Europe, 2021
This article aims to present the role and importance of youth policy and how youth organisations can practically implement it on a local and regional level, on the example of Association Europe4Youth (Kraków, Poland).
Barbara Moś
doaj   +1 more source

Dalitz decays DsJ(*)Ds(*)+

open access: yesPhysical Review, 2023
The Dalitz decays of the positive-parity DsJ(*) charmed mesons, DsJ(*)→Ds(*)ℓ+ℓ− with J=0, 1, 2 and ℓ=e, μ, are important processes to investigate the nature of the DsJ(*) states. We analyze the full set of decays, considering the four lightest DsJ(*) mesons as belonging to the heavy quark spin doublets sℓP=12+ and 32+, with sℓP the spin parity of the ...
Colangelo, P.   +3 more
openaire  

E-model MOS Estimate Improvement through Jitter Buffer Packet Loss Modelling

open access: yesAdvances in Electrical and Electronic Engineering, 2011
Proposed article analyses dependence of MOS as a voice call quality (QoS) measure estimated through ITU-T E-model under real network conditions with jitter. In this paper, a method of jitter effect is proposed.
Adrian Kovac   +3 more
doaj   +1 more source

Vector meson spectral function in a dynamical AdS/QCD model

open access: yesEuropean Physical Journal C: Particles and Fields, 2022
By using gauge/gravity duality, we calculate the spectral function of the heavy vector mesons with the presence of an intense magnetic field in a hot and dense medium.
Yan-Qing Zhao, Defu Hou
doaj   +1 more source

A framework for hybrid dynamic evolutionary algorithms : multiple offspring sampling (MOS)

open access: yes, 2009
Evolutionary Algorithms (EAs) are a set of optimization techniques that have become incredibly popular in the last decades. As they are general purpose algorithms, they have been applied to a wide range of problems, many of them from industrial or ...
LaTorre de la Fuente, Antonio
core   +1 more source

Multiple Transcoding Impact on Speech Quality in Ideal Network Conditions

open access: yesAdvances in Electrical and Electronic Engineering, 2015
This paper deals with the impact of transcoding on the speech quality. We have focused mainly on the transcoding between codecs without the negative influence of the network parameters such as packet loss and delay.
Martin Mikulec   +3 more
doaj   +1 more source

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