Results 31 to 40 of about 6,937 (251)

The scalar quarkonium spectrum and quarkonium-glueball mixing [PDF]

open access: yesNuclear Physics B - Proceedings Supplements, 1998
3 pages, 4 PostScript figures, talk given at Lattice ...
D. Weingarten, Weonjong Lee
openaire   +3 more sources

Quark‐Antiquark Effective Potential in Symplectic Quantum Mechanics

open access: yesAdvances in High Energy Physics, Volume 2022, Issue 1, 2022., 2022
In this paper, we study within the structure of Symplectic Quantum Mechanics a bidimensional nonrelativistic strong interaction system which represent the bound state of heavy quark‐antiquark, where we consider a Cornell potential which consists of Coulomb‐type plus linear potentials. First, we solve the Schrödinger equation in the phase space with the
Renato Luz   +6 more
wiley   +1 more source

Systematics of quarkonium production [PDF]

open access: greenPhysics Letters B, 1996
Quarkonium production in high-energy reactions is found to exhibit a behaviour more universal than that expected from velocity scaling. Total rates of quarkonia produced in hadronic interactions as well as Feynman-x and transverse momentum distributions can be described over the full range of accessible energies (15 < sqrt{s} < 1800 GeV) by two ...
G. Schüler, R. Vogt
openalex   +4 more sources

Bound State Solution Schrödinger Equation for Extended Cornell Potential at Finite Temperature

open access: yesAdvances in High Energy Physics, Volume 2021, Issue 1, 2021., 2021
In this paper, we study the finite temperature‐dependent Schrödinger equation by using the Nikiforov‐Uvarov method. We consider the sum of the Cornell, inverse quadratic, and harmonic‐type potentials as the potential part of the radial Schrödinger equation.
A. I. Ahmadov   +3 more
wiley   +1 more source

Heavy Quarkonium Physics [PDF]

open access: yesarXiv: High Energy Physics - Phenomenology, 2004
This report is the result of the collaboration and research effort of the Quarkonium Working Group over the last three years. It provides a comprehensive overview of the state of the art in heavy-quarkonium theory and experiment, covering quarkonium spectroscopy, decay, and production, the determination of QCD parameters from quarkonium observables ...
Brambilla, N.   +84 more
openaire   +7 more sources

Confinement of Fermions in Tachyon Matter at Finite Temperature

open access: yesAdvances in High Energy Physics, Volume 2021, Issue 1, 2021., 2021
We study a phenomenological model that mimics the characteristics of QCD theory at finite temperature. The model involves fermions coupled with a modified Abelian gauge field in a tachyon matter. It reproduces some important QCD features such as confinement, deconfinement, chiral symmetry, and quark‐gluon‐plasma (QGP) phase transitions.
Adamu Issifu   +3 more
wiley   +1 more source

Event Shape and Multiplicity Dependence of Freeze‐Out Scenario and System Thermodynamics in Proton+Proton Collisions at s=13 TeV Using PYTHIA8

open access: yesAdvances in High Energy Physics, Volume 2021, Issue 1, 2021., 2021
Recent observations of QGP‐like conditions in high‐multiplicity pp collisions from ALICE experiment at the LHC warrant an introspection whether to use pp collisions as a baseline measurement to characterize heavy‐ion collisions for the possible formation of a Quark‐Gluon Plasma.
Sushanta Tripathy   +5 more
wiley   +1 more source

Inclusive quarkonium production in pp collisions at $$\sqrt{s}$$ s = 5.02 TeV [PDF]

open access: yesThe European Physical Journal C, 2021
This article reports on the inclusive production cross section of several quarkonium states, $$\textrm{J}/\psi $$ J / ψ , $$\psi \mathrm{(2S)}$$ ψ ( 2 S ) , $$\Upsilon \mathrm (1S)$$ Υ ( 1 S ) , $$\Upsilon \mathrm{(2S)}$$ Υ ( 2 S ) , and $$\Upsilon ...
S. Acharya   +499 more
semanticscholar   +1 more source

Charmonium Properties Using the Discrete Variable Representation (DVR) Method

open access: yesAdvances in High Energy Physics, Volume 2021, Issue 1, 2021., 2021
The Schrödinger equation is solved numerically for charmonium using the discrete variable representation (DVR) method. The Hamiltonian matrix is constructed and diagonalized to obtain the eigenvalues and eigenfunctions. Using these eigenvalues and eigenfunctions, spectra and various decay widths are calculated.
Bhaghyesh A., Shi Hai Dong
wiley   +1 more source

Rigorous QCD analysis of inclusive annihilation and production of heavy quarkonium. [PDF]

open access: yesPhysical Review D, Particles and fields, 1994
A rigorous QCD analysis of the inclusive annihilation decay rates of heavy quarkonium states is presented. The effective-field-theory framework of nonrelativistic QCD is used to separate the short-distance scale of annihilation, which is set by the heavy
G. Bodwin, E. Braaten, G. P. Lepage
semanticscholar   +1 more source

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