Spectroscopy of B-c meson in a semi-relativistic quark model using the shifted large-N expansion method

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Ikhdair S., Sever R.

INTERNATIONAL JOURNAL OF MODERN PHYSICS A, vol.19, no.11, pp.1771-1791, 2004 (SCI-Expanded) identifier identifier

  • Publication Type: Article / Article
  • Volume: 19 Issue: 11
  • Publication Date: 2004
  • Doi Number: 10.1142/s0217751x0401780x
  • Journal Name: INTERNATIONAL JOURNAL OF MODERN PHYSICS A
  • Journal Indexes: Science Citation Index Expanded (SCI-EXPANDED), Scopus
  • Page Numbers: pp.1771-1791
  • Keywords: B-c meson, mass spectrum, leptonic constant, hyperfine splittings, heavy quarkonium, SPINLESS SALPETER EQUATION, HADRON DECAY PROCESSES, QCD SUM-RULES, QUANTUM CHROMODYNAMICS, BOUND-STATES, HEAVY QUARKONIA, ANTIQUARK POTENTIALS, NUMERICAL-SOLUTION, WAVE-FUNCTIONS, 1/N EXPANSION
  • Middle East Technical University Affiliated: No

Abstract

We calculate the c (b) over bar mass spectrum, the splitting values and some other properties in the framework of the semirelativistic equation by applying the shifted large-N expansion technique. We use seven different central potentials together with an improved QCD-motivated interquark potentials calculated to two loops in the modified minimal-subtraction ((MS) over bar) scheme. The parameters of these potentials are fitted to generate the semirelativistic bound states of c (b) over bar quarkonium system in close conformity with the experimental and the present available calculated center-of-gravity (c.o.g.) data. Calculations of the energy bound states are carried out up to third order. Our results axe in excellent fit with the results of the other works.