charmonium


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charmonium

[chär′mō·nē·əm]
(particle physics)
A meson, such as the J /ψ particle, that is made up of the charmed quark c and its antiparticle c̄.
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References in periodicals archive ?
In the case of charmonium [[PSI] = c[bar.c]], the rest mass equation is as follows.
Bound State of Heavy Quarks Using a General Polynomial Potential
Just as a hydrogen atom - which consists of an electron and a proton - has various energy levels, charmonium has a so-called ground state and a number of excited states.
Charmed at last
These states challenge the understanding of charmonium spectroscopy as well as QCD calculations [4, 19, 20].
Study on the Resonant Parameters of Y (4220) and Y (4390)
Mishra, "pQCD approach to charmonium regeneration in QGP at the LHC," Nuclear Physics A, vol.
[[eta].sub.Q] Meson Photoproduction in Ultrarelativistic Heavy Ion Collisions
Lee, "New charmonium states in QCD sum rules: a concise review," Physics Reports, vol.
Mass Spectra and Decay Constants of Heavy-Light Mesons: A Case Study of QCD Sum Rules and Quark Model
In our present analysis we had used the temperature dependence of the quasi-particle Debye mass, [m.sup.QP.sub.D], in full QCD with [N.sub.f] = 3 to determine charmonium suppression in an expanding, dissipative strongly interacting QGP medium.
Bottomonium Suppression in Nucleus-Nucleus Collisions Using Effective Fugacity Quasi-Particle Model
Yan, "Charmonium: comparison with experiment," Physical Review D: Particles, Fields, Gravitation and Cosmology, vol.
Nonrelativistic Arbitrary l-States of Quarkonium through Asymptotic Iteration Method
All the potentials which are mentioned here have almost similar behaviour in the range of 0.1 fm [less than or equal to] r [less than or equal to] 1 fm which is characteristic region of charmonium and bottomonium systems [32, 33].
S-Wave Heavy Quarkonium Spectra: Mass, Decays, and Transitions
The potential model works well in describing the heavy quarkonia states [1], especially for the charmonium states below the open-charm threshold.
Search for Vector Charmonium(-Like) States in the [e.sup.+][e.sup.-] [right arrow] [eta]J/[psi] Line Shape
Unlike the symmetric heavy quark bound states b[bar.b] (bottomonium) and c[bar.c] (charmonium), [B.sub.c] meson is the lowest bound state of two heavy quarks (b and c) with different flavors and charge.
Study of Rare Semileptonic [B.sup.+.sub.c] [right arrow] [D.sup.+][nu][bar.[nu]] Decay in the Light-Cone Quark Model
Many efforts have been devoted to calculating the mass spectra of charmonium and bottomonium mesons and determining the binding energy and the dissociation temperatures of heavy quarkonia.
Binding Energies and Dissociation Temperatures of Heavy Quarkonia at Finite Temperature and Chemical Potential in the N-Dimensional Space
In [4, 34, 55], the authors calculated the mass spectra of quarkonium systems as charmonium and bottomonium mesons with the quark-antiquark interaction potential using various methods in many works.
Heavy-Light Mesons in the Nonrelativistic Quark Model Using Laplace Transformation Method

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