PCAC in Nuclear Medium and the Lovelace-Shapiro-Veneziano formula

Details PCAC in Nuclear Medium and the Lovelace-Shapiro-Veneziano formula PCAC in Nuclear Medium and the Lovelace-Shapiro-Veneziano formula

1997-03-06

arxiv.org/abs/nucl-th/9703015v1

Physics

Nuclear Physics

Nuclear Theory

11 pages LATEX

Scientific paper

A simple way to enforce the Adler zero condition for pion amplitudes in the nuclear medium is to use the Lovelace quantization condition but with modified Regge Slope $\alpha'$ This latter is related to change in the gluon condensate. Increasing nuclear density leads to a relative increase in the Regge Slope $\alpha'$ Denoting this increase by a scale factor $\lambda$, the drop in the $\rho$-mass, $\Delta-N$ mass difference, increase in $\pi\pi$ scattering length, decrease of pion decay constant etc. are simply related to $\lambda$.

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