Physics – High Energy Physics – High Energy Physics - Lattice
Scientific paper
2001-03-19
High Energy Phys.Nucl.Phys. 26 (2002) 222-229
Physics
High Energy Physics
High Energy Physics - Lattice
10 pages, 1 figure and 1 appendix
Scientific paper
We develop a new approach to construct the operator on lattice for the calculation of glueball mass, which is based on the connection between the continuum limit of the chosen operator and the quantum number $J^{PC}$ of the state studied. The spin of the state studied is then determined uniquely and directly in numerical simulation. Furthermore, the approach can be applied to calculate the mass of glueball states (ground or excited states) with any spin $J$ including $J\geq 4$. Under the quenched approximation, we present pre-calculation results for the masses of $0^{++}$ state and $2^{++}$ state, which are $1754(85)(86)MeV$ and $2417(56)(117)MeV$, respectively.
Chen Yafeng
Liu Da Qing
Wu Ji Min
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