0000000001323062

AUTHOR

Juan-luis Domenech-garret

showing 4 related works from this author

QQ-onia package: a numerical solution to the Schrodinger radial equation for heavy quarkonium

2008

30 pages, 3 figures.-- ISI article identifier:000265158700009.-- ArXiv pre-print avaible at: http://arxiv.org/abs/0805.2704

PhysicsMesonbusiness.industrySpectrum (functional analysis)High Energy Physics::PhenomenologyFOS: Physical sciencesGeneral Physics and AstronomyFísicaQuarkoniumSquare (algebra)High Energy Physics - Phenomenologysymbols.namesakeHigh Energy Physics - Phenomenology (hep-ph)SoftwareHardware and ArchitectureSimple (abstract algebra)Quantum electrodynamicsWave function at the originHeavy quarkonium potentialsymbolsbusinessSchrödinger's catSpin-½
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Spectroscopy, leptonic decays and the nature of heavy quarkonia

2008

We examine the electronic width ratios of Upsilon resonances below the BBbar threshold by means of an effective (Cornell-type) QCD potential incorporating 1/m_b corrections obtained from a prior fit to the bottomonium spectrum. From our analysis we conclude that the Upsilon(2S) and Upsilon(3S) states should belong to the strong-coupling (nonperturbative) regime while the Upsilon(1S) state should belong to the weak-coupling (perturbative) regime, in agreement with a previous study based on radiative decays.

Quantum chromodynamicsPhysicsParticle physicsNuclear and High Energy PhysicsHigh Energy Physics::LatticeHigh Energy Physics::PhenomenologyLattice field theoryRadiative decayFOS: Physical sciencesResonanceFísicaQuarkoniumNuclear physicsHigh Energy Physics - PhenomenologyHigh Energy Physics - Phenomenology (hep-ph)Strong couplingRadiative transferHigh Energy Physics::ExperimentSpectroscopyPhysics Letters B
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Cosmological analogies in the search for new physics in high-energy collisions

2020

In this paper, analogies between multiparticle production in high-energy collisions and the time evolution of the early universe are discussed. A common explanation is put forward under the assumption of an unconventional early state: a rapidly expanding universe before recombination (last scattering surface), followed by the CMB, later evolving up to present days, versus the formation of hidden/dark states in hadronic collisions followed by a conventional QCD parton shower yielding final-state particles. In particular, long-range angular correlations are considered pointing out deep connections between the two physical cases potentially useful for the discovery of new physics.

Astrophysics and AstronomyParticle physicsCosmology and Nongalactic Astrophysics (astro-ph.CO)Physics beyond the Standard Modelmedia_common.quotation_subjectCosmic microwave backgroundFOS: Physical sciences01 natural sciencesMetric expansion of spaceHigh Energy Physics - Phenomenology (hep-ph)0103 physical sciencesNuclear Experiment010306 general physicsParton showerParticle Physics - Phenomenologymedia_commonPhysicsQuantum chromodynamics010308 nuclear & particles physicsScatteringTime evolutionhep-phUniverseHigh Energy Physics - Phenomenologyastro-ph.COAstrophysics - Cosmology and Nongalactic Astrophysics
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QQ-onia package: a numerical solution to the Schrödinger radial equation for heavy quarkonium

2019

Abstract This paper presents the basics of the QQ-onia package, a software based upon the Numerov O (h^6 ) method which can be used to solve the Schrödinger radial equation using a suitable potential V (r) for the heavy quarkonium system. This package also allows the analysis of relevant properties of those resonances such as the square of the wave functions at the origin, their corresponding derivatives for l ≠ 0 states, typical heavy-quark velocities, and mean square radii. Besides, it includes a to... Title of program: QQ-onia package Catalogue Id: AECQ_v1_0 Nature of problem Software to solve the Schrödinger radial equation using a suitable potential V (r) for the heavy quarkonium syste…

Computational PhysicsElementary Particle
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