QCD Sum Rule for $Λ$(1405)

Details QCD Sum Rule for $Λ$(1405) QCD Sum Rule for $Λ$(1405)

1996-10-10

arxiv.org/abs/nucl-th/9610013v1

Physics

Nuclear Physics

Nuclear Theory

8 pages (including one figure), revtex

Scientific paper

10.1007/s002180050262

Motivated by the recently constructed interpolation field for S$_{11}$(1535), we propose a new interpolating field for $\Lambda$(1405). Using this current, we calculate the mass of $\Lambda$(1405) based on the conventional QCD sum rule analysis. By calculating the Wilson coefficients up to dimension 8 operators and taking into account the mass corrections from s-quark, we find the calculated mass of $\Lambda$(1405) to be very close to its experimental value.

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