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Prog. Theor. Phys. Vol. 83 No. 3 (1990) pp. 575-586

[ Full Text PDF : FREE ACCESS (566K) ]

The Fine and Hyperfine Structure of P-State Quarkonia and the Behavior of q-q Potential

Masanobu Hirano

Hokkaido University of Education, Sapporo 002

(Received September 28, 1989)

Abstract:

The characteristic behavior of the P-state mass levels from heavy quarkonia to light quarkonia provides important clues for studying the dynamics between quarks. The P-state spectra of heavy and light quarkonia are investigated using the Salpeter equation; (1) the difference in mass, M(P)-M(1P1), (2) the inversion of the 3P1 and 1P1 level ordering among quarkonia, (3) the so-called R ratio for 3PJ and (4) the hyperfine splittings of P states are analysed. From these analyses, the scalar confining potential is found necessary for the inter-quark potential. The softening Coulomb-like potential is shown necessary, and the behavior of this potential is examined at the q-q large and small separations.


URL : http://ptp.ipap.jp/link?PTP/83/575/
DOI : 10.1143/PTP.83.575

[ Full Text PDF : FREE ACCESS (566K) ] Citation:

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Citing Article(s) :

  1. Progress of Theoretical Physics Vol. 86 No. 3 (1991) pp. 703-716 :
    The Analysis of mπ and mρ Using the Salpeter Equation
    Chikage Yoshida-Habe, Kenzō Iwata, Masanobu Hirano, Toshiyuki Murota and Denju Tsuruda

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