ACBAR: A CMB Experiment at the South Pole

The ACBAR (Arcminute Cosmology Bolometer Array Receiver) is a multi frequency band (150, 214, 275, 350 GHz), high angular resolution (4 arcminute FWHM), high sensitivity (250 micro K.rsec) instrument of cosmology purpose. Performance of ACBAR in several aspects - anisotropy power spectrum, SZ cluster search, and the detection of SZ kinematic effect - is assessed.