Articles written in Pramana – Journal of Physics
Volume 76 Issue 5 May 2011 pp 693-698
Raghavan Rangarajan Ajit Srivastava A Bandyopadhyay A Basak M Bastero-Gil A Berera J Bhatt K Bhattacharya S Chakraborty M Das S Das K Dutta D Ghosh S Goswami U Gupta P Jain Y-Y Keum E Masso D Majumdar A P Mishra S Mohanty R Mohapatra A Nautiyal T Prokopec S Rao D P Roy N Sahu A Sarkar P Saumia A Sen A Shivaji
This is the report of the cosmology and astroparticle physics working group at WHEPPXI. We present the discussions carried out during the workshop on selected topics in the above ﬁelds. The problems discussed concerned axions, infrared divergences in inﬂationary theories, supersonic bubbles in a ﬁrst-order electroweak phase transition, dark matter, MOND, interacting dark energy, composite Higgs models and statistical anisotropy of the Universe.
Volume 85 Issue 3 September 2015 pp 539-554
The third stage of Indian nuclear power programme envisages the use of thorium as the fertile material with 233U, which would be obtained from the operation of Pu/Th-based fast reactors in the later part of the second stage. Thorium-based reactors have been designed in many configurations, from light water-cooled designs to high-temperature liquid metal-cooled options. Another option, which holds promise, is the molten salt-fuelled reactor, which can be configured to give significant breeding ratios. A crucial part for achieving reasonable breeding in such reactors is the need to reprocess the salt continuously, either online or in batch mode. India has recently started carrying out fundamental studies so as to arrive at a conceptual design of Indian molten salt breeder reactor (IMSBR). Presently, various design options and possibilities are being studied from the point of view of reactor physics and thermal hydraulic design. In parallel, fundamental studies on natural circulation and corrosion behaviour of various molten salts have also been initiated.
Volume 97, 2023
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