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The Stark width and shift of six Zn Ir and six Cd ii spectral lines have been measured for the electrondensity range of 1.0X10 -1.23X10 m ' and for an electron-temperature range of 23000 -33000 K in a pulsed linear arc plasma discharge in SF6 and argon-helium mixture. Obtained Stark-width data were compared with the values calculated on the basis of various theoretical approaches.

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Stark widths and shifts of neutral and ionized heavy atom spectral lines have been measured and calculated. The Stark parameters of three SnI (284.0, 286.3 and 303.4nm), five HglI (226.2, 398.4, 222.5, 615.0 and 326.4 nm), two PbII (220.4 and 438.6 nm) and one HglII (235.4 nm) spectral lines were measured for the first time except the Stark widths of one HglI (398.4 nm) and one PbII (438.6 rim) line. Stark width values for a number of corresponding transitions were calculated on the bases of semiclassical and semiempirical formulae.