Properties of Q anti-Q(Q epsilon b, c) mesons in Coulomb plus Power potential - INSPIRE

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Properties of Q anti-Q(Q epsilon b, c) mesons in Coulomb plus Power potential

Bhavin Patel
(
- Sardar Patel U.
)
,
P.C. Vinodkumar
(
- Sardar Patel U.
)

Aug, 2008

22 pages

Published in:

J.Phys.G 36 (2009) 035003

e-Print:

0808.2888 [hep-ph]

DOI:

10.1088/0954-3899/36/3/035003

View in:

ADS Abstract Service

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Abstract: (arXiv)

The decay rates and spectroscopy of the

Q \bar Q

(Q \in c, b)

mesons are computed in non-relativistic phenomenological quark antiquark potential of the type

V(r)=-\frac{\alpha_c}{r}+A r^{\nu}

, (CPP

_{\nu}

) with different choices

\nu

. Numerical solution of the schrodinger equation has been used to obtain the spectroscopy of

Q\bar{Q}

mesons. The spin hyperfine, spin-orbit and tensor components of the one gluon exchange interaction are employed to compute the spectroscopy of the few lower

S

and orbital excited states. The numerically obtained radial solutions are employed to obtain the decay constant, di-gamma and di-leptonic decay widths. The decay widths are determined with and without radiative corrections. Present results are compared with other potential model predictions as well as with the known experimental values.

Note:

22 Pages, 1 Figure

12.39.Jh
12.40.Yx
13.20.Gd
quark antiquark: potential
nonrelativistic
gluon: exchange
charmonium
bottomonium
quarkonium: decay rate
meson: hadron spectroscopy

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