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We present the first measurements of the transverse momentum spectra andazimuthal anisotropy of the identified hadrons ($\pi^{+}$, $\pi^{-}$, $K^{+}$,$K^{-}$, $p(\bar{p})$, $K^{0}_{s}$, $\Lambda(\bar{\Lambda})$ and $\phi$) atmid-rapidity in Au+Au collisions at $\sqrt{s_{NN}}$ = 14.5 GeV for variouscollision centralities. These measurements are compared to correspondingresults from other BES energies. The bulk properties of the system, like thechemical and kinetic freeze-out conditions and the collectivity extracted fromthe measured yields of the produced particles are presented. The differencebetween baryon and anti-baryon elliptic flow for minimum bias collisionspreviously reported by STAR is also observed in the new data taken at$\sqrt{s_{NN}}$ = 14.5 GeV. Furthermore, the new data at 14.5 GeV areconsistent with the trend established by the results at lower and higher beamenergies. The energy and centrality dependence of the baryon chemical potential($\mu_{B}$), radial flow velocity ($\langle\beta\rangle$), and chemical andkinetic freeze-out temperatures are discussed systematically.

Study of the bulk properties of the system formed in Au+Au collisions at $\sqrt{s_{NN}}$ = 14.5 GeV using the STAR detector at RHIC