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Two-photon and two-gluon decay widths of S-wave and P-wave heavy quarkonia using Coulomb plus power law Potential ($CPP_
u$) | | Arpit Parmar
; Bhavin Patel
; P C Vinodkumar
; | | Date: |
6 Jan 2010 | | Abstract: | Here we present the two-photon and two-gluon decay widths of the S-wave
($eta_{Qin c,b}$) and P-wave ($chi_{Qin c,bJ}$) charmonium and bottonium
states based on coulomb plus power form of the inter-quark potential
($CPP_
u$) with power index $
u$. The Schr$ddot{o}$dinger equation is solved
numerically for different choices of the power index $
u$. We employ the
masses of the S-wave and P-wave states and their radial wave functions obtained
from the study to compute the two-photon and two-gluon decay widths. Present
results are found to be in accordance with the known experimental values as
well as with other model results for the choices of the inter-quark potential
index in the range $0.3<
u<0.7$ for both $car c$ and $bar b$ states. | | Source: | arXiv, 1001.0848 | | Services: | Forum | Review | PDF | Favorites | |
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