| Autor: |
BHAGHYESH, VIJAYA KUMAR, K. B., MA, YONG-LIANG |
| Předmět: |
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| Zdroj: |
International Journal of Modern Physics A: Particles & Fields; Gravitation; Cosmology; Nuclear Physics; 2/10/2012, Vol. 27 Issue 3/4, p1250011-1-1250011-14, 14p, 8 Charts, 1 Graph |
| Abstrakt: |
Having succeeded in predicting the S wave spectra and decays of $c\bar{c}$ and $b\bar{b}$ mesons, Bhaghyesh, K. B. Vijaya Kumar and A. P. Monteiro, J. Phys. G: Nucl. Part. Phys.38, 085001 (2011), in this article, we apply our nonrelativistic quark model to calculate the spectra and decays of the orbitally excited states (P- and D-waves) of heavy quarkonia. The full $Q\bar{Q}$ potential used in our model consists of a Hulthen potential and a confining linear potential. The spin hyperfine, spin-orbit and tensor interactions are introduced to obtain the masses of the P- and D-wave states. The three-dimensional harmonic oscillator wave function is employed as a trial wave function to obtain the mass spectra. The model parameters and the wave function that reproduce the mass spectra of $c\bar{c}$ and $b\bar{b}$ mesons are used to investigate their decay properties. The two-photon decay widths, two-gluon decay widths and E1 radiative decay widths are calculated. The obtained values are compared with the experimental results and those obtained from other theoretical models. [ABSTRACT FROM AUTHOR] |
| Databáze: |
Complementary Index |
| Externí odkaz: |
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