Articles written in Pramana – Journal of Physics
Volume 63 Issue 6 December 2004 pp 1381-1389
Working group report: Heavy ion physics
Jan-E Alam K Assamagan S Chattopadhyay R Gavai Sourendu Gupta B Layek S Mukherjee R Ray Pradip K Roy A Srivastava
The 8th workshop on high energy physics phenomenology (WHEPP-8) was held at the Indian Institute of Technology, Mumbai, India during January 5–16, 2004. One of the four working groups, group III was dedicated to QCD and heavy ion physics (HIC). The present manuscript gives a summary of the activities of group III during the workshop (see also  for completeness). The activities of group III were focused to understand the collective behaviours of the system formed after the collisions of two nuclei at ultra-relativistic energies from the interactions of the elementary degrees of freedom, i.e. quarks and gluons, governed by non-abelian gauge theory, i.e. QCD. This was initiated by two plenary talks on experimental overview of heavy ion collisions and lattice QCD and several working group talks and discussions.
Volume 63 Issue 6 December 2004 pp 1391-1405
Working group report: Neutrino and astroparticle physics
Srubabati Goswami Raghavan Rangarajan K Agashe A Bandyopadhyay K Bhattacharya B Brahmachari C Burgess E J Chun D Choudhury P K Das A Dighe R Godbole S Goswami N Gupta M Kaplinghat D Indumathi J Forshaw Y Y Keum B Layek D Majumdar N Mahajan P Mehta R N Mohapatra N Mondai S More Y Nir S Pakvasa M K Parida M Ravikumar G Rajasekaran P Ramadevi R Rangarajan S D Rindani D P Roy P Roy N Sahu A Samanta Y Shadmi A M Srivastava S Uma Sankar R Vaidya U Yajnik
This is the report of neutrino and astroparticle physics working group at WHEPP-8. We present the discussions carried out during the workshop on selected topics in the above fields and also indicate progress made subsequently. The neutrino physics subgroup studied the possibilities of constraining neutrino masses, mixing and CPT violation in lepton sector from future experiments. Neutrino mass models in the context of Abelian horizontal symmetries, warped extra dimensions and in the presence of triplet Higgs were studied. Effect of threshold corrections on radiative magnification of mixing angles was investigated. The astroparticle physics subgroup focused on how various particle physics inputs affect the CMBR fluctuation spectrum, and on brane cosmology. This report also contains an introduction on how to use the publicly available code CMBFAST to calculate the CMBR fluctuations.
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