Kalyanee Boruah

Kalyanee Boruah

Professor

MSc (Gauhati) PhD (Gauhati)

Nuclear Physics and Cosmic Ray

Department of Physics
Gauhati University, Guwahati, 781014
Email:- kalyaneeboruah@gauhati.ac.in

1. International Centre for Theoretical Physics (ICTP), Italy : TWAS research grant (2003).

  1. Inter University Accelerator Centre (IUAC), New Delhi: Governing Council Member (1997-98). Project Principal Investigator (1999-2003).

  2.  

    Inter University Centre for Astronomy & Astrophysics (IUCAA), Pune : Visiting Associate (1993-96)

  3. CERN (Data Handling Div), Geneva, Switzerland : Visiting Associate (1987)

     

  4. Tata Institute of Fundamental Research (TIFR), Mumbai : Research collaboration.
  5. Bhabha Atomic Research Centre (BARC), Mumbai : Research collaboration
  6. Indian Association of Nuclear Chemists and Allied Scientists, BARC, Mumbai : Life member.
  7. Indian Physical Society, Kolkata : Life member.
  8. Assam Science Society, Guwahati : Life member.
  9. Physics Academy of the North East, Guwahati : Life member.
  10. Assam Physical Society, Gauhati : Life member.

1. “Studies on UHE Cosmic Rays using a miniarray” (1994-99)

     Funded by DAE (BRNS), Govt. of India, Mumbai. (Rs. 12 Lakh)

2. “Elastic Scattering of Light Mirror Nuclei” (1999-2002)

     Funded by UGC (Nuclear Sc. Centre, New Delhi) (Rs. 2.5 Lakh)

3. “UHE Cosmic Ray detection by extended miniarray” (1999-2003 & 2005-07)

      Funded by ISRO,Dept. of Space, Govt. of India, Bangalore (Rs.7.2L).

4. “To extend the existing miniarray for UHE cosmic ray detection”

      (2003-04), TWAS research grant, ICTP,Trieste, Italy, (US$4,000.00)

5. “Cosmic Ray Detection and study of environmental effects” (2016-17) Funded by

            ASTEC (Assam Science, Technology & Environment Council)

  

 

    1. Gold medalist in M.Sc (Physics), GU, for obtaining first position in 1978.

2. Received CSIR Junior Research Fellowship from 1979 to 1981.

3. Received CSIR Senior Research Fellowship from 1981 January to March.

4. National Merit Scholarship (1974-78) and National Merit Certificate (1972).

(a) Completed PhD :

    1. Dr. Tulshi Bezboruah , Thesis entitled “UHE Cosmic Ray detection by miniarray method”. (1998).

    2. Dr. Saradee Barua, Thesis entitled “Elastic Scattering of mirror nuclei 7Be + 7Li”. (2004)

    3. Dr. Umananda Dev Goswami, Thesis entitled “A theoretical study on Ultra High Energy Cosmic Ray interactions using Monte Carlo simulation technique”. (2006)

    4. Dr. Jyoti Prasad Phukan, Thesis entitled “Optical emission associated with UHE Cosmic Rays”. (2006)

    5. Dr. Nayanmoni Saikia, Thesis entitled “Detection and studies of radio signals associated with UHE cosmic ray showers in the atmosphere” (2010).

    6. Dr. Chabin Chandra Thakuria, Thesis entitled “Extensive Air Shower Simulation and Study on some properties of Primary Cosmic Rays using different Hadronic Interaction Models”. (2014)

    7. Dr. Dipsikha Kalita, Thesis entitled “Study of Extensive Air Showers using CORSIKA above cosmic ray primary energy 1017 eV. (2014)

    8. Dr. Mostafizur Rahman, Thesis entitled “Simulation of Electromagnetic Waves associated with cosmic ray AIR SHOWERS” (2015).

    9. Dr. Punam Patgiri (UGC JRF), Thesis entitled, “Studies on some properties of photon induced Cosmic Ray air showers” (2017)

    10. Dr. Shakeel Zamal (UGC Teacher Fellow) Thesis entitled “Studies on some effects of atmospheric parameters on the propagation of secondary cosmic rays"(2019)

 

(c) Research students :

        1. Priya Bharali

        2. Prity Rekha Das.

        3. Luit Das

        4. Shachindra Goswami.

List of Publications

Dr.(Mrs) Kalyanee Boruah, Professor, Physics Department, GU

  1.  
  1. books :

 

  1. Co-authored a graduate level textbook on "Electricity and Magnetism" in Assamese language,

published by the Text book Production Department of the Gauhati University, 1987.

 

B) articles in referred journals :

 

 

  1. Pathak K.M. and Talukdar Kalyanee (1981): Theoretical pulse height distribution of optical Cerenkov Radiation from large EAS. Indian Journal of Pure and Applied Physics 19,642-645.

  2. Boruah Kalyanee and Pathak KM.(1990):Primary Cosmic Ray mass composition from simulationof Cerenkov pulse height spectrum. Indian Jr. of Pure and Applied Physics 28,628-631.

  1. Boruah Kalyanee (1997): Simulation of Atmospheric Cascades including vacuum excitation and Higgs production. Physical Review D 56, no. 11, 7376.

  2. Bezboruah T, Boruah K and Boruah P.K.(1998) : A new experimental setup to study UHE Cosmic Ray based on measurement of arrival time spread of secondary particles from EAS.Nuclear Instruments and Methods in Physics Research , vol. A410, p. 206 - 212.

  1. Bezboruah T, Boruah K and Boruah P.K.(1999) : A non-conventional method of UHE Cosmic Ray detection . Astroparticle Physics, North Holland, vol. 11, p. 395 - 402.

  1. Phukan J.P., Boruah K and Boruah P.K.(2000) : Calibrating particle detectors with Digital Storage Oscilloscope. Journal of the Instruments Society of India, vol.30, No.4, p.235-237.

  1. Bezboruah T, Boruah K and Boruah P.K.(2001) : Cosmic Ray energy spectrum above 1017 eV observed at GU Miniarray. Indian J Phys , vol. 75B, p. 5 - 10.

  2. Bezboruah T, Boruah K and Boruah P.K.(2001) : A new front-end 100 MHz time to digital electronics to study Extensive Air Showers. Nuclear Instruments and Methods in Physics Research A , vol. A460, p. 266 - 271.

  1. Bezboruah T, Boruah K and Boruah P.K.(2002) : Design, fabrication and test of a fast scintillation detector amplifier. Review of Scientific Instruments, vol. 73(7), p. 2797 – 2799.

  2. Barua S, Das JJ, Jingan A,Verughese T, Madhavan N, Kalita K, Verma Ssugathan P, Nath S,Bhattacharjee B, Datta SK, Boruah K (2004) : Study of the elastic scattering of mirror nuclei 7Be + 7Li . Nuclear Physics A A746, 467c – 470c.

  3. Goswami U.D. & Boruah K. (2004) : Simulation for signature of Higgs boson in UHE cosmic ray interactions through vacuum excitation. Indian J Phys, vol. 78, no. 11, p. 1253 – 1259.

  4. Goswami U.D., Boruah K. & Boruah P.K.(2005): Reanalysis of miniarray data using CORSIKA. Astroparticle Physics, North Holland,vol 22/5-6, p. 421 - 429.

  5.  Goswami U.D. & Boruah K. (2005) : Search for Higgs boson in UHE Cosmic Rays. Czechoslovak Journal of Physics, vol. 55, No. 6, p. 657 – 672.

  6. Bezboruah T, Boruah K and Boruah P.K.(2005) : An improved resistive amplification network for fast timing photomultiplier tubes. Measurement, vol. 37/2 , p. 131 – 134.

  7. Barua S, Das JJ, Jingan A,Verughese T, Madhavan N, Kalita K, Verma S, Sugathan P, Bhattacharjee B, Datta SK, Boruah K (2005) : Charge exchange reactions between mirror nuclei 7Be + 7Li. Physical Review C 72, 044602.

  8. Saikia NM, Tiru B, Boruah PK & Boruah K (2007) :“Search of Radio Signal associated with UHE Cosmic Ray Air Showers in the VLF range” : Indian Journal of Radio & Space Physics, vol 36, pp 436 – 439 .

  9. Saikia NM, Tiru B, Handique D, Boruah PK & Boruah K. (2008).: “Programmable Trigger Circuit for UHE Cosmic ray detection by Mini Array method : Simulation with VHDL” : Indian Journal of Physics, vol 82(6), pp 147 - 154 .

  10. Rajbongshi SC, Boruah PK & Boruah K. (2009).: “Development and Testing of RPC Module developed in the Mini Array Laboratory, Gauhati University”, International Journal of Pure & Applied Physics, vol.5, No. 3, pp 195 – 202 .

  11. Rajbongshi SC, Boruah PK & Boruah K. (2010).: “Simulation of RPC pulse height spectrum ”International Journal of Pure & Applied Physics, vol. 6, Number 1 (2010), pp. 9 – 14.

  12. Medhi HC, Rajbongshi SC, Pokhral JP, Boruah PK & Boruah K. (2010).: “A new pulse stretcher circuit suitable for nanosecond pulses and simulated in VHDL”, International Journal of Applied Engineering Research, vol.5, Number 10 (2010) pp. 1689–1692.

  13. Boruah K., Saikia N.M, Rahman M & Boruah PK (2011) : “Low frequency radio emission associated with UHE cosmic rays”, Nuclear Physics B (Proc. Suppl.) Elsevier, 212–213 (2011) 317–322.

  14. Thakuria C & Boruah K.(2011) : “Comparison of EAS simulation results using CORSIKA code for different high-energy interaction models”, Nuclear Physics B (Proc. Suppl.) Elsevier, 212–213 (2011).265–269

  15. Kalita D & Boruah K.(2011) : “A study of depth of shower maximum of simulated air shower longitudinal profile using statistical methods”, Nuclear Physics B (Proc. Suppl.) Elsevier, 212–213 (2011) 259–264.

  16.  Thakuria C & Boruah K.(2012) : “Comparison of EAS Muon Energy Spectra at Sea level with EPOS and QGSJET-II using CORSIKA”, International Journal of Applied Physics. Vol 2, No. 3 ,pp. 159–165.

     

     

  17. Rahman M & Boruah K.(2012) : "Zenith angle dependence of low frequency radio emission from cosmic ray EAS", The African Review of Physics, Vol. 7, no. 0040, pp. 353 – 356.

  18. Kalita D & Boruah K. (2012) : “Application of statistical method for determination of primary mass composition of cosmic rays using simulated data”, Indian Journal of Physics, DOI 10.1007/s12648-012-0209-9.(March 2013) 87(3):289–295

  19. Rahman M & Boruah K.(2014) : "Transition Radiation Model for LF-MF Radio Emission from UHECR”, International Journal of Physics and Applications, Vol. 6, no. 1(2014), pp. 15-20.

  20. Rahman M & Boruah K.(2015) : “Transition Radiation Model for LF Radio Emission produced by ultrahigh energy cosmic rays”, Indian Journal of Physics, DOI 10.1007/s12648-015-0761-1.(March 2016) 90(3):253–257.

  21. Zamal S, Das N, Boruah K & Boruah PK (2015) : “Design and Development of a Low Cost Signal Conditioning and Fast Data Acquisition System for Detection of Secondary Cosmic Rays”, Advanced Research in Electrical and Electronic Engineering, Volume 2, Issue 12 July-September (2015) pp.11-14

  22. Patgiri P, Kalita D & Boruah K. (2016) : “Study on angular variation of Cosmic Ray secondary particles with atmospheric depth using CORSIKA code”, Indian Journal of Physics,DOI 10.1007/s12648-016-0913-y Vol. 91(2017), pp351-358.

  23. Zamal S, Das N, Boruah K & Boruah PK (2016) : “Design and Development of a Simple Instrumentation System for Detection of Secondary Cosmic Rays at Ground Level”, Indian Journal of Physics, DOI 10.1007/s12648-016-0944-4. Vol. 91(2017), pp 590-597.

  24. Bharali P, Sahayanathan S, Misra R & Boruah K (2017) : “Broadening of the thermal component of the prompt GRB emission due to rapid temperature evolution”, New Astronomy, Elsevier, vol. 55, p. 22-26.

  25. Zamal S, Das N, Boruah K & Boruah PK (2017) : “An investigation of arrival time of cosmic ray showers and the effects of atmospheric pressure and density on shower rate using a test set-up”, International Journal of Physics and Applications. Volume 9, Number 1, pp. 33-41.

  26. Bharali P, Chandra S, Chauhan J, Garcia JA, Roy J, Boettcher M & Boruah K (2019) : “Re-awakening of GRS 1716–249 after 23 years, observed by Swift/XRT and NuSTAR”, Accepted for publication, Monthly Notices of the Royal Astronomical Society, May 28, 2019.

 

C) published contribution to academic conferences :

  1. Pathak KM, Talukdar K et al. (1979) : On the emission of optical Cerenkov radiation in association with radiopulses from EAS at 60, 80 & 110 MHz frequencies. Proc. 67th Session of Indian Science Congress.

  1. Talukdar K & Pathak K.M. (1980) : Theoretical pulse height distribution of optical Cerenkov Radiation from large EAS. Proc. National Space Science Symposium, BHU, B2.9, p.132.

  2. Pathak K.M.& Boruah K. (1981): A simplified method of calculation of Cerenkov pulse height distribution from large EAS. Proc. 17th International Cosmic Ray Conference ,Paris, 6,136-139.

  3. Pathak K.M.,Boruah K.,Boruah P.K. & Mazumdar G.K.D. (1982): Studies on the Electromagnetic waves from large Cosmic Ray Showers : A new project. Proc. InternationalWorkshop on Very High Energy Gamma Ray Astronomy, Ootacamund, India ,309-311.

  4. Boruah K.,Datta P. & Pathak K.M. (1983): On the possible radio emission from the nuclear active particles in EAS. Proc. 18th Int. Cosmic Ray Conf ,Bangalore, India 6,253-256.

  5. Boruah K & Pathak KM (1987): MonteCarlo Simulation of Cerenkov pulseheight distribution from different mass compositions. Proc.20th Int.CosmicRay Conf, Moscow, USSR, 6,118-121

  6. Pathak K.M. and Boruah K. (1987): The effect of primary mass composition on the Cerenkov pulse height distribution. Proc. 20th. Int. Cosmic Ray Conf, Moscow, USSR, 6,122-124.

  1. Mazumdar G.K.D.,Bordoloi T.C.,Kalita P.M.,Boruah K. & Pathak K.M. (1990): Studies on lateral distribution of Cerenkov Radiation from large EAS. Proc. 21st Int. Cosmic Ray Conf, Adelaide, Australia, 9,199-202.

  2. Boruah K. and Pathak K.M. (1990): Study of the Cerenkev pulse height spectra for different primary mass compositions. Proc. 21st Int. Cosmic Ray Conf, Adelaide, Australia, 9,187-190.

  3. Bordoloi T.C.,Pathak K.M.,Boruah K. &Mazumdar G.K.D.(1991): Mass composition of primary cosmic rays above 1015 eV. Proc. 22nd Int. Cosmic Ray Conf, Dublin, Ireland, 2,13-19.

  4. Boruah K.,Boruah P.K.,Bezboruah T.,Mitra A. and Pathak KM(1995): Simulation of Hadronic Cascades including vacuum excitation and Higgs production. Proc.24th Int. Cosmic Ray Conf, Rome, Italy, vol.1, 240 - 242.

  5. Boruah PK,Boruah K,Bezboruah T,Mitra A & Pathak KM (1995):GauhatiUniversity Miniarray to detect UHE CosmicRays. Proc. 24th Int.Cosmic Ray Conf, Rome, Italy, 1,411- 413.

  6. Boruah Kalyanee (1996): Signature of Higgs production in UHE Cosmic Ray Cascades in the atmosphere. Proc. XII DAE Symposium on High Energy Physics, Guwahati, India, 1 , 17.

  7. Bezboruah T, Boruah K & Boruah P.K. (1996): Preliminary results of the Gauhati University miniarray to detect UHE Cosmic Rays . Proc. XII DAE Symposium on High Energy Physics, Guwahati , India, 1, 33.

  8. Bezboruah T, Boruah K & Boruah P.K. (1997): UHE Cosmic Ray detection based on measurement of arrival time spread of secondary particles from EAS. Proc.Sympos. on Advances in Nuclear and Allied Instrumentation, BARC, Mumbai, 498 - 502.

  9. Bezboruah T, Boruah K & Boruah P.K. (1997): Results of Gauhati University miniarray. Proc. 25th Int.Cosmic Ray Conf., Durban, South Africa, 6, 217 - 220.

  10. Boruah K& Bhattacharjee B.(1998) :Elastic and Inelastic Scattering experiments using 8Li RIB at NSC. Proc. Regional Conf. on Physics Research in the North East. IIT, Guwahati, p. 5 - 6.

  11. Boruah Kalyanee and Boruah P.K. (1998) : Gauhati University Cosmic Ray Experiment. Proc. Regional Conf. on Physics Research in the North East. IIT, Guwahati , p. 13 - 15.

  12. Boruah K, Boruah P.K. and Phukan J.P. (1999) : Optical Enmission by UHE Cosmic Ray Air Showers. Proc. 26th Int. Cosmic Ray Conf., Utah, USA, vol.1, p. 384 - 386.

  13. Boruah PK, Bezboruah T& Boruah K (1999) :UHE CosmicRay Energy Spectrum derived from GauhatiUniversity Miniarray data.Proc.26th Int.CosmicRay Conf., Utah, USA, vol.1, p.391-94.

  14. Boruah Kalyanee (1999) : Experiments with Radioactive Ion Beams. Horizon, Journal of the Department of Physics, GU, vol. 1, p. 17 - 20.

  15. Rajbongshi S., Phukan J.P., Boruah K. & Boruah P.K.(2000): Resistive Plate Counters as Particle Detectors for Cosmic Ray Experiments. Proc. 2nd Regional Conf. on Phys Res in NE India, Guwahati, p. 2.

  16. Phukan JP, Boruah K & Boruah PK (2000) :CosmicRay mass composition above 1017 eV. Proc. 2nd Regional Conf. on Phys Res in NE India, Guwahati, p. 3.

  17. Boruah K, Bhattacharjee B& Barua S (2000) : Elastic Scattering of Mirror Nuclei using RIB..Proc. 2nd Regional Conf. on Phys Res in NE India, Guwahati, p. 1.

  18. Barua S, Jingan A, Boruah K , Bhattacharjee B, Verughese T, Sugathan P, Nath S, Madhavan N, Sinha AK & Das, JJ. (2000) : Detector Telescope for particle identification and angular distribution measurement for light ions at low energy. Proc. Int. Sympo.on Nuclear Physics , BARC, Mumbai. p.482.

  19. Boruah K (2001) : 26th ICRC held in Salt Lake City, Utah, USA from Aug 17-25, 1999 : A report.‘Horizon’, Journal of the Dept. of Physics, GU.

  20. Phukan J.P., Boruah K and Boruah P.K.(2001) : Primary mass composition above 1017 eV From optical data. Proc. 27th Int. Cosmic Ray Conf., Hamburg, Germany ,vol.1, p. 24.

  21. Barua S, Bhattacharjee B, Boruah K, Verughese T, Jingan A, Das JJ, Sugathan P, Nath S, Madhusudana Rao PV, Madhavan N, Datta SK, Verma S, Kalita K (2002) : Performance Report of the Detector Assembly designed for the Elastic Scattering Experiment of Light Mirror Nuclei. Proc. 3rd North East Physics Academy Conference, Dibrugarh.

  22. Barua S, Bhattacharjee B, Boruah K, Verughese T, Jingan A, Das JJ, Sugathan P, Nath S, Madhusudana Rao PV, Madhavan N, Datta SK, Verma S, Kalita K (2002) : In-vacuum Target Transfer Assembly for 7Be + 7Li Scattering Experiment. DAE Symposium on Nuclear Physics, Tirunelvili, page 468.

  23. Barua S, Bhattacharjee B, Boruah K, Das JJ, Jingan A, Verughese T, Sugathan P, Nath S, Madhavan N, Madhusudana Rao PV, Datta SK, Kalita K, Verma S (2003) : Elastic Scattering of mirror nuclei 7Be + 7Li . Proc. Workshop on Nuclei at extremes of isospin and mass. Puri.

  24. Rajbongshi SC, Boruah PK, Phukan JP & Boruah K (2003) : Development of Resistive Plate Counter for the Extended Miniarray experiment at Gauhati University. Proc. 28th International Cosmic Ray Conference, Tsukuba, Japan, Vol. 2, p. 777 – 780.

  25. Barua S, Das JJ, Jingan A, Verughese T, Madhavan N, Kalita K, Verma S, Sugathan P, Nath S, Bhattacharjee B, Datta SK, Boruah K (2003) : Some interesting results of the elastic scattering of mirror nuclei 7Be + 7Li. Proc. 6th International Conference on Radioactive Ion Beam, ANL. Illinois, USA.

  26. Barua S, Das JJ, Jingan A, Verughese T, Madhavan N, Kalita K, Verma S, Sugathan P, Nath S, Bhattacharjee B, Datta SK, Boruah K (2003) : Elastic Scattering of 7Be + 7Li experiment. NSC Annual Report. Page 129.

  27. Barua S, Das JJ, Jingan A, Verughese T, Madhavan N, Madhusudana Rao PV, Bhattacharjee B, Kalita K, Verma S, Sugathan P, Datar V.M., Navin A., Nath S, Singh R., Datta SK, Boruah K (2003) : First Measurement of Elastic Scattering of the d(7Be, 7Be)d system at Ecm = 4.3 MeV using kinematic coincidence . NSC Annual Report, page 127.

  28. Barua S, Bhattacharjee B, Boruah K, Verughese T, Jingan A, Das JJ, Sugathan P, Nath S, Madhusudana Rao PV, Madhavan N, Datta SK, Verma S, Kalita K (2003) : In-vacuum Target Transfer Assembly for 7Be + 7Li Scattering experiment. NSC Annual Report, page 89.

  29. Boruah Kalyanee (2004) : Simulation of Hadronic Interaction in Cosmic Ray EAS with reference to CORSIKA Code. Invited talk presented at the 3rd National conference on Contemporary Issues on Nuclear and Particle Physics, held at Jadavpur University, Kolkata (Feb 16-17).

  30. Boruah P. K., Phukan JP & Boruah K (2004): Cerenkov Counter Calibration : Monte Carlo and Experiment. Proc. Int. Conf. on Instrumentation, Pune.

  31. Saikia NM, Boruah PK & Boruah K (2005) : A new Trigger Circuit for miniarray detector. 50th Annual Technical Session, Assam Science Society, Guwahati.

  32. Phukan J.P., Boruah K and Boruah P.K.(2005) : Optical pulses associated with UHE Cosmic Rays. Proc. 29th International Cosmic Ray Conference, Pune, India, Vol. 6, p. 305-308.

  33. Goswami U.D., Boruah K. and Boruah P.K.(2005) : New results from Gauhati University miniarray detector. Proc. 29th International Cosmic Ray Conference, Pune, India, Vol. 7, 159-162.

  34. Rajbongshi SC, Boruah PK & Boruah K (2005) : Performance of RPC operated at miniarray laboratory. Proc. 29th International Cosmic Ray Conference, Pune, India, Vol.8, p. 73-76 .

  35. Saikia N, Phukan JP, Rajbongshi SC, Boruah PK & Boruah K (2005) : New experimental setup for UHE cosmic ray detection. Proc. 29th International Cosmic Ray Conference, Pune, India, Vol. 8, p. 81-84.

  36. Goswami U.D. and Boruah K. (2005) : Asymmety in charged hadron production in p-p collisions. Proc. 29th International Cosmic Ray Conference, Pune, India, Vol. 9, p. 21-24.

  37. Goswami U.D. and Boruah K.(2005) : Higgs boson production in UHE cosmic rays. Proc. 29th International Cosmic Ray Conference, Pune, India, Vol.9, p. 25-28.

  38. Kalita D & Boruah K. (2011) : “Study of Lateral distribution Parameters from simulation of HE Cosmic Ray EAS”, Proc. 32nd International Cosmic Ray Conference, Beijing, 2011, Vol.1, pp. 247-250.

  39. Boruah K, Zamal S, Rahman M, Tiru B, Sarma U & Boruah PK (2016) : “Design of a Small Cosmic Ray Air Shower Array to Study Atmospheric Effects”, XXI DAE-BRNS High Energy Physics Symposium, Springer Proceedings in Physics 174, DOI 10.1007/978-3-319-25619-1_67, pp 439-445.

 

 

23 Mar'81 - 28 Aug'90 -----   Lecturer in Physics, Department of Physics, Gauhati University, Guwahati, India.

16 Aug - 13 Sep'87 ---------   Visiting Associate, CERN, Geneva, Switzerland.

29 Aug'90 - 30 Nov’2000 --  Reader in Physics Physics Dept, Gauhati University, Guwahati, India.

1 Aug'91 - present  ---------    Radiological Safety Officer Physics Dept, Gauhati University, Guwahati, India.

1 July'93- 1 July’96 ---------   Visiting Associate Inter University Centre for Astronomy & Astrophysics       

                                                                                                                                 (IUCAA),  Pune, India.

1 June'94- Dec ‘99 ---------   Principal Investigator, DAE funded project on “ UHE Cosmic Rays by miniarray”,

                                                                                                                                     Physics Dept, Gauhati University,

 

Feb ’99 - Feb ‘2003---------  Principal Investigator, UGC research project on RIB at NSC, New Delhi

                                                                                                                               Physics Dept, GU & NSC, New Delhi

Dec. ’99- April 2003 --------  Principal Investigator, ISRO project on extended miniarray.

                                                                                                                           Physics Department, Gauhati University

Dec, 2000- Present --------   Professor in Physics, Physics Department, Gauhati University

Feb, 2003 - Feb, 2004 ----   Principal Investigator, TWAS project on extending miniarray.

May, 2005- 2007 -----------   Principal Investigator, ISRO extension project on extended miniarray.

1 Nov, 2007 - 31 Oct, 2010--  Head, Department of Physics, GU

1 Sep, 2013 - present ------  Co-ordinator, GU, M.Sc course in Radiological Physics

Nov, 2016 - Nov, 2017 -----   Principal Investigator,ASTEC funded project on "cosmic ray detection and

                                                                                                                                              environmental effects".

 

 

 

Year

Name of

Degree

Name of

University

Place,

Country

Subject of

Examination

Distinction

(>80%) in

Grade

(Div)

1972

HSLC

Board of

Secondary

Education,

Assam

Shillong,

India

English, Assamese,

Maths, Ad.Math(m)

Geography,History,

Sanskrit (L)

M,G,L,m.

1st.Div.

14th position

1974

PU(2Yr)

North Eastern

Hill University

Shillong,

India

Physics,Chemistry,

Mathematics,

English,Assamese.

Ph,C,M

1st.Div.

2nd

Position

1976

B.Sc.

Gauhati

University

Guwahati

India

Physics (Hons),

Maths, Statistics,

English, Assamese.

Ph,M,Stat.

1stClass

1st

Position

1978

M.Sc.

Gauhati

University

Guwahati

India

Physics, Specialization

Nuclear Physics &

Cosmic Radiation.

 

1stClass

1st

Position

1987

Ph.D.

Gauhati

University

Guwahati

India

Thesis : 'Studies on the

Atmospheric Cerenkov

Radiation from large

Cosmic Ray Showers'

 

 

 

Cosmic Ray Physics / Astroparticle Physics :

Experimental detection of Cosmic Ray EAS by PC based scintillation counter array and radio & optical Cerenkov detectors .

Study of primary Cosmic ray mass composition, energy and UHE interaction characteristics using Monte Carlo method.

Study of UHE cosmic ray detection using a miniarray of plastic scintillators by Linsley’s method.

Development of a lowcost detector (RPC) for extending miniarray area to probe beyond 1018 eV primary energy.

Study of atmospheric effects using small air shower array using FPGA based data acquisition system.

Study of Gamma Ray Burst mechanism.

Computer simulation :

Development of detailed air shower simulation program in Fortran-77 and a new method of multiparticle production viz., vacuum excitation and Higgs production .

Use of readymade software like CORSIKA simulation code to analyse EAS experimental data and to design new experimental setup. Theoretical study of radioemission using CORSIKA code..

Nuclear Physics :

Scattering of light mirror nuclei using Radioactive Ion Beams

Radiological Physics :

3D gel dosimetry for patient specific treatment planning.