Dr. Somnath   Nag

Department Department of Physics
Designation Assistant Professor
Educational Qualification PhD
E-Mail snag.phy@nitrr.ac.in, somnanag@gmail.com
Contact Number
Areas of Interest

 

  •     Nuclear spectroscopy
  •     Nuclear structure analysis using Cranked Nilsson Strutinsky Calculations and Ultimate    Cranker
  •     Shell Model calculations
Publications
  •     Noncollective aligned and antialigned states in 125I by Purnima Singh, Somnath Nag, A. K. Singh et al. Phys. Rev. C 82, 034301 (2010)
  •     Highly deformed high-spin band in 125I by Purnima Singh, Somnath Nag, A. K. Singh et al. Phys. Rev. C 84, 024316 (2011)
  •     Collective and noncollective states in 120Te by Somnath Nag et al. Phys. Rev. C 85, 014310 (2012)
  •     High-spin spectroscopy of 122I by Purnima Singh, Somnath Nag, K. Selvakumar, A. K. Singh et al. Phys. Rev. C 85, 054311 (2012)
  •     Shape evolution in 123Cs and 124Ba nuclei by K. Selvakumar, A. K. Singh, Subhashri Das, Purnima Singh, Somnath Nag et al. Phys. Rev. C 88, 024313 (2013)
  •     Collective and noncollective excitations in 122Te by Somnath Nag et al. Phys. Rev. C 88, 044335 (2013)
  •     Non-collective states in 122Te by Somnath Nag et al. EPJ A 49, 145 (2013)
  • Shape coexistence in the near-spherical 142Sm nucleus by S. Rajbanshi, Abhijt Bisoi, Somnath Nag et al. Phys. Rev. C 89, 014315 (2014)
  •     Revised level structure of 120Te by Somnath Nag, Purnima Singh, A.K. Singh et al. Phys. Rev. C 90, 037302 (2014)
  •     Observation of high-spin bands with large moments of inertia in 124Xe by Somnath Nag, A. K. Singh et al. Phys. Rev. C 94, 034307 (2016)
  •     Shears mechanism and development of collectivity in Sm141 by S. Rajbanshi, Sajad Ali, Abhijit Bisoi, Somnath Nag et al. Phys. Rev. C 94, 044318 (2016)
  • Semi-decoupled band and other high-spin band structures in 188Pt, by S. Mukhopadhyay, D. C. Biswas, S. K. Tandel, S. Frauendorf, L. S. Danu, P. N. Prashanth, B. N. Joshi, G. K. Prajapati, B. V. John, Somnath Nag, T. Trivedi, S. Saha, J. Sethi, R. Palit, and P. K. Joshi, Phys. Rev C 96, 014315 (2017).

Conferences :

  • First observation of highly deformed bands in 120Te by Somnath Nag et al. Proc. of Int. Symp. on Nucl. Phys. 72-73 (2009)
  • Description of collective and non-collective states in 120Te by Somnath Nag et al. Proc. of DAE Symp. on Nucl. Phys. 55, 56-57 (2010)
  • Shell model calculations for Te isotopes by Somnath Nag et al. Proc. of DAE Symp. on Nucl. Phys. 55, 60 - 61 (2010)
  • Study of collective and non-collective states in 120Te by Somnath Nag et al. Research Scholars Workshop on Yrast and Near Yrast Spectroscopy, Experimental and Theoretical Aspects, Kolkata XXXX (2011)
  • Spectroscopy of 120Te by Somnath Nag et al. ANUP Advances in NUclear Physics, Goa XXXX (2011)
  • Study of valence space excitations in 122Te by Somnath Nag et al. Proc. of DAE Symp. on Nucl. Phys. 56, 288 (2011)
  • Band termination in 120-122Te Comparative study of Shell model and cranked Nilsson Strutinsky (CNS) approach by Somnath Nag et al. Proc. of DAE Symp. on Nucl. Phys. 56, 290 (2011)
  • Observation of highly deformed bands in 122Te by Somnath Nag et al. Proc. of DAE Symp. on Nucl. Phys. 57, 218-219 (2012)
  • Highly deformed collective bands in 124Xe by Somnath Nag et al. Proc. of Int. Symp. on Nucl. Phys. 58, 210 (2013)
  • Evolution of Shapes through Collective and Non-Collective Excitations in 120Te, 122Te and 124Xe by Somnath Nag Proceedings of the DAE Symp. on Nucl. Phys. 59 1018-1019 (2014)
  • Structural evolution from low to high-spin states in Xe by S. K. Ghorui,Somnath Nag,A. K. Singh,P. K. Raina,P. K. Rath Proc. of DAE Symp. on Nucl. Phys., 60, 226 (2015)

Some other Publications :

  • Experimental investigation of shell-model excitations of 89Zr up to high spin by S. Saha et al. Phys. Rev. C 86, 034315 (2012)
  • Superdeformation and alpha-cluster structure in 35Cl by Abhijit Bisoi, M. Saha Sarkar, S. Sarkar, S. Ray, M. Roy Basu, Debasmita Kanjilal, Somnath Nag, K. Selvakumar, A. Goswami, N. Madhavan, S. Muralithar, and R. K. Bhowmik Phys. Rev. C 88, 034303 (2013)
  • High spin spectroscopy in 34Cl by Abhijit Bisoi, M. Saha Sarkar, S. Sarkar, S. Ray, D. Pramanik, R. Kshetri, Somnath Nag, K. Selvakumar, P. Singh, A. Goswami, S. Saha, J. Sethi, T. Trivedi, B. S. Naidu, R. Donthi, V. Nanal, and R. Pal Phys. Rev. C 89, 024303 (2014)
  • Antimagnetic rotation in 104Pd by N. Rather, S. Roy, P. Datta, S. Chattopadhyay, A. Goswami, S. Nag, R. Palit, S. Pal, S. Saha, J. Sethi, T. Trivedi, and H. C. Jain Physical Rev. C 89, 061303(R) (2014)
  • Multiple magnetic rotational bands based on proton alignment in 143Eu by S. Rajbanshi, Abhijit Bisoi, Somnath Nag et al. Physical Rev. C 89, 024318 (2014)
  • Collective excitations in 33S by Abhijit Bisoi, M. Saha Sarkar, S. Sarkar, S. Ray, D. Pramanik, R. Kshetri, Somnath Nag, K. Selvakumar, P. Singh, A. Goswami, S. Saha, J. Sethi, T. Trivedi, B. S. Naidu, R. Donthi, V. Nanal, and R. Pal Phys. Rev. C 90, 024328 (2014)
  • Antimagnetic rotation and sudden change of electric quadrupole transition strength in 143Eu by S. Rajbanshi, S. Roy, Somnath Nag et al. Physics Letters B  748 (2015)
Other Info.

Experience

  •     Assistant Professor, Dept. of Physics, Balurghat College(Gov. Sponsore), Balurghat, Dakshin Dinajpur. 20th April 2015 to 18th May 2015 
  •     Assistant Professor, Dept. of Physics, Dept. of Physics, NIT Raipur, Raipur. 28th May 2015 till date

Awards

  •     First position in Physics at Bsc(Hons.) BHU 2006
  •     Institute silver medal was awarded for 2007 2008 on being adjudged to be the best student in order of merit among MSc students at IIT Kharagpur.
  •     Certificate of proficiency for best project work, 2007 2008 in Msc Physics
  •     The paper Description of collective and non-collective states in 120Te by Somnath Nag et al. has been awarded third prize in the poster presentation in DAE Symp. on Nuclear Physics 2010
  •     The paper Study of valence space excitations in 122Te by Somnath Nag et al. has been awarded first prize in the poster presentation in DAE Symp. on Nuclear Physics 2011.

Fellowships / Scholarships

  •     GATE 2008 with Percentile of 99.11 and All India Rank (Physics) of 52
  •     CSIR UGC NET held on 23rd DEC 2007
  •     CSIR UGC NET held on 22nd JUNE 2008