Articles written in Pramana – Journal of Physics
Volume 65 Issue 6 December 2005 pp 1061-1074
High-frequency deflection (HFD) technique with a delayed coincidence single photon counting arrangement is an efficient technique for radiative lifetime measurement. An apparatus for measurement of the radiative lifetime of atoms and molecules has been developed in our laboratory and measurements have been performed with great success in a large number of atoms and ions. The present version of the apparatus is described in this paper together with a brief description of the basic features and performance
Volume 68 Issue 6 June 2007 pp 881-889 Research Articles
We study the physical features of a class of exact solutions for cold compact anisotropic stars. The effect of pressure anisotropy on the maximum mass and surface red-shift is analysed in the Vaidya–Tikekar model. It is shown that maximum compactness, red-shift and mass increase in the presence of anisotropic pressures; numerical values are generated which are in agreement with observation.
Volume 69 Issue 3 September 2007 pp 477-480 Brief Reports
The radiative lifetimes of eight levels belonging to the 3p4nd ($n = 4–6$) conﬁguration of ArII have been measured using high frequency deﬂection technique together with a delayed coincidence single photon counting arrangement. Lifetimes of some of the levels have been measured for the ﬁrst time. The results have been compared with other experimental and theoretical values.
Volume 96, 2022
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