Ajay Yashavant Deo - Department of Physics,Indian Institute of Technology Roorkee
Ajay Yashavant Deo
Ajay Yashavant Deo Assistant professor ajay.deo@ph.iitr.ac.in +91-1332-285566
Areas of Interest
  • Experimental Nuclear Physics: Nuclear Structure at High Angular Momentum, High Resolution Gamma-ray Spectroscopy, Exotic Modes of Nuclear Excitations, Nuclear Isomerism, Decay Spectroscopy: Beta- and Alpha-decay studies using Radioactive Ion Beams, Conversion Electron Spectroscopy, Nuclear Instrumentation
Professional Background
FromPeriodPositionOrganisation
2012-01-01OngoingAssistant ProfessorIndian Institute of Technology Roorkee
2012-01-01Research AssociateUM-DAE CEBS, Mumbai
2010-01-012 years Postdoctoral Research AssociateUniversity of Massachusetts, Lowell, USA
2008-01-012 years Research FellowUniversity of Surrey, UK
2006-01-012 years Postdoctoral FellowTata Institute of Fundamental Research, Mumbai
Multiple Posts
FromPeriodPositionOrganisation
2017-01-01OngoingMember, Department Academic Program Committee (DAPC)IIT Roorkee
2016-01-01OngoingO.C., Nuclear Physics LaboratoryIIT Roorkee
2016-01-013 years Member, Department Administrative Committee (DAC)IIT Roorkee
2020-08-31OngoingMember, Grade Moderation CommitteeIIT Roorkee
2020-08-31OngoingExamination CoordinatorIIT Roorkee
2014-01-012 years Deputy O.C., Nuclear Physics LaboratoryIIT Roorkee
2014-01-012 years Faculty Advisor, Physics AssociationIIT Roorkee
2014-01-011 year Member, Department Research Committee (DRC)IIT Roorkee
Educational Details
DegreeSubjectUniversityYear
Ph.D.Physics (Nuclear Physics)University of Mumbai2006
M. Sc.Physics (Nuclear Physics)University of Mumbai2000
B. Sc.PhysicsUniversity of Mumbai1998
Sponsored Research Projects
TopicFunding AgencyStart DatePeriod
Nuclear Structure and Evolution of Collectivity beyond 208PbDST-SERB2020-12-312 years 11 months 30 days
Gamma Spectroscopy using incomplete Fusion ReactionsSRIC, IITR2013-05-273 years 2 months 30 days
Memberships
  • Indian Physics Association, Life Member
Teaching Engagements
TitleCourse CodeClass NameSemester
Nuclear Physics and ApplicationsPHN-208B. Tech. - II (EPH - 2019)Spring
Thermal and Statistical PhysicsPHN-207B. Tech. - II (EPH - 2018)Autumn
Electromagnetic TheoryPHN-008B.Tech - I (2018)Spring
Mechanics and RelativityPHN-207B. Tech. - II (EPH - 2017)Autumn
Electromagnetic TheoryPHN-008B.Tech - I (2017)Spring
Mechanics and RelativityPHN-207B. Tech. - II (EPH - 2016)Autumn
Reactor PhysicsIPH-307B.Tech - III & IV (2016)Spring
Reactor PhysicsIPH-305B.Tech - III & IV (2015)Autumn
Electricity and MagnetismPHN-202Int. M.Sc. Physics (2015)Spring
Electromagnetic TheoryPH-003B.Tech - I (2014)Autumn
Electromagnetic TheoryPH-008B.Tech - I (2014)Spring
Electromagnetic TheoryPH-003B.Tech - I (2013)Autumn
Physics - IPH-101B.Tech - I (2013)Spring
Projects and Thesis Supervised
Title of ProjectNames of Students
Conversion electron spectrometer simulation using Geant4Mr. Shivam Trivedi
A detailed study 11B + 208Pb -> 219Fr*Mr. Kanishka Kumar Singh
Discrete Gamma-Spectroscopy TechniquesMs. Khamosh Yadav
Gamma Spectroscopy using Incomplete Fusion ReactionsMr. Ankit Mittal
Yield of Residual Nuclei formed in 35Cl + 124Sn Reaction using Decay StudiesMr. Rupam Mandal
Yield of Nuclei in Heavy-Ion Induced ReactionMr. Darmendra Bagariya
Characterization of the Cerium Bromide DetectorMs. Priya
Investigating Octupole Deformation by using Gamma-ray SpectroscopyMs. Renu Gill
Population of Nuclei via 9Be induced Binary ReactionsMr. Arjun K. R.
PHDs Supervised
TopicScholar NameStatus of PHDRegistration Date
Gamma Spectroscopy of Trans-Lead NucleiMs. PragatiA2013-01-07
Gamma-ray spectroscopy of neutron-deficient nuclei around doubly magic 208PbMs. Khamosh YadavO2017-12-28
Nuclear structure investigations in transitional region around 208PbMs. MadhuO2018-07-06
Invitations
TopicOrganistaionDate
Alternating-parity bands in 216FrInternational workshop on “Frontiers in Gamma Ray Spectroscopy”, TIFR, Mumbai2018-01
Evolution of octupole collectivity in trans-lead regionDAE-BRNS Symposium on Nuclear Physics, Thapar University, Patiala2017-01
Connecting gaps between spherical and deformed nucleiINGA User Workshop, IUAC, New Delhi2017-01
Evidence of decreasing collectivity in 103PdThe 5th International Conference on “Collective Motion in Nuclei under Extreme Conditions” Krakow2015-01
Spectroscopy around doubly-magic 208 Pb: Exploring unique proton i13/2 orbitalINGA User Workshop, TIFR, Mumbai2013-01
Fission characteristics of the 224Th compound nucleusDAE-BRNS Symposium on Nuclear Physics, Delhi University, New Delhi2012-01
Spectroscopy of Indium isotopes: understanding evolution of shears mechanism.50th Anniversary Symposium on Nuclear Sizes and Shapes, University of Surrey, Guildford, UK2008-01
Special Lectures Delivered
TitlePlaceDate
Exploring sub-picosecond regime in nucleiIPA Seminar, IIT Roorkee2014-01
On-line Lecture Series on "ROOT for Gamma-Ray Spectroscopy"Online2020-06-19
Refereed Journal Papers
  1.  Antimagnetic rotation and role of gradual neutron alignment in 103Pd.
    A. Y. Deo, Khamosh Yadav, Madhu, S.K. Tandel, R. Kumar
    Eur.Phys. J. A  57, 126 (2021).
  2. Metastable states from multinucleon excitations in 202Tl and 203Pb.
    S.G.Wahid, S.K.Tandel, S.Suman, M.Hemalatha, A.Patel, P.Roy, A.Y. Deo, Pragati, P.C.Srivastava, et al.
    Phys.Rev. C 102, 024329 (2020).
  3. New spectroscopic information on 211,213Tl: A changing structure beyond the N=126 shell closure.
    A.Gottardo, J.J.Valiente-Dobon, G.Benzoni, A.I.Morales, A.Gadea, S.Lunardi, P.Boutachkov, A.M.Bruce, M.Gorska, J.Grebosz, S.Pietri, Zs.Podoly´ak, M.Pfutzner, P.H.Regan, D.Rudolph, H.Weick, J.Alcantara Nunez, A.Algora, N.Al-Dahan, G.de Angelis, Y.Ayyad, N.Alkhomashi, P.R.P.Allegro, D.Bazzacco, J.Benlliure, M.Bowry, A.Bracco, M.Bunce, F.Camera, E.Casarejos, M.L.Cortes, F.C.L.Crespi, A.Corsi, A.M.D.Bacelar, A.Y. Deo et al.
    Phys.Rev. C 99, 054326 (2019).
  4. Parity doublet structures in doubly-odd 216Fr.
    Pragati, A.Y. Deo, S.K.Tandel, S.S.Bhattacharjee, S.Chakraborty, S.G.Wahid, S.Kumar, S.Muralithar, R.P.Singh, I.Bala, R.Garg, A.K.Jain
    Phys.Rev. C 97, 044309 (2018).
  5. High-spin states in 133Cs and the shell model description.
    S.Biswas, R.Palit, J.Sethi, S.Saha, A.Raghav, U.Garg, Md.S.R.Laskar, F.S.Babra, Z.Naik, S.Sharma, A.Y. Deo, V.V.Parkar, B.S.Naidu, R.Donthi, S.Jadhav, H.C.Jain, P.K.Joshi, S.Sihotra, S.Kumar, D.Mehta, G.Mukherjee, A.Goswami, P.C.Srivastava
    Phys.Rev. C 95, 064320 (2017).
  6. Decay of the N=126, 213Fr nucleus.
    Pragati, A.Y. Deo, Zs.Podoly´ak, P.M.Walker, A.Algora, B.Rubio, J.Agramunt, L.M.Fraile, N.Al-Dahan, N.Alkhomashi, J.A.Briz, M.E.Estevez Aguado, G.Farrelly, W.Gelletly, A.Herlert, U.Koster, A.Maira
    Phys.Rev. C94, 064316 (2016).
  7. γ-soft 146Ba and the role of nonaxial shapes at N≈90.
    A.J.Mitchell, C.J.Lister, E.A.McCutchan, M.Albers, A.D.Ayangeakaa, P.F.Bertone, M.P.Carpenter, C.J.Chiara, P.Chowdhury, J.A.Clark, P.Copp, H.M.David, A.Y. Deo et al.
    Phys.Rev. C 93, 014306 (2016).
  8. Increased isomeric lifetime of hydrogen-like 192mOs.
    A.Akber, M.W.Reed, P.M.Walker, Yu.A.Litvinov, G.J.Lane, T.Kibedi, K.Blaum, F.Bosch, C.Brandau, J.J.Carroll, D.M.Cullen, I.J.Cullen, A.Y. Deo et al.
    Phys.Rev. C91, 031301 (2015).
  9. The X-Array and SATURN: A new decay-spectroscopy station for CARIBU.
    A.J. Mitchell, P.F. Bertone, B. DiGiovine, C.J. Lister, M.P. Carpenter, P. Chowdhury, J.A. Clark, N.Dolympia, A.Y. Deo, F.G. Kondev, E.A. McCutchan, J. Rohrerb, G. Savard, D. Seweryniak, S. Zhu
    Nuclear Instruments and Methods in Physics Research Section A 763, 232 (2014).
  10. Isomeric decay spectroscopy of the 217Bi isotope.
    A.Gottardo, J.J.Valiente-Dobon, G.Benzoni, S.Lunardi, A.Gadea, A.Algora, N.Al-Dahan, G.de Angelis, Y.Ayyad, D.Bazzacco, J.Benlliure, P.Boutachkov, M.Bowry, A.Bracco, A.M.Bruce, M.Bunce, F.Camera, E.Casarejos, M.L.Cortes, F.C.L.Crespi, A.Corsi, A.M.D.Bacelar, A.Y. Deo et al.
    Phys.Rev. C90, 034317 (2014).
  11. N=151 Pu, Cm and Cf nuclei under rotational stress: Role of higher-order deformations.
    S.S.Hota, P.Chowdhury, T.L.Khoo, M.P.Carpenter, R.V.F.Janssens, Y.Qiu, I.Ahmad, J.P.Greene, S.K.Tandel, D.Seweryniak, S.Zhu, P.F.Bertone, C.J.Chiara, A.Y. Deo et al.
    Phys.Lett. B 739, 13 (2014).
  12. β-decay studies of neutron-rich Tl, Pb, and Bi isotopes.
    A.I. Morales, G. Benzoni, A. Gottardo, J.J. Valiente-Dobon, N. Blasi, A. Bracco, F. Camera, F.C.L. Crespi, A. Corsi, S. Leoni, B. Million, R. Nicolini, O. Wieland, A. Gadea, S. Lunardi, M. Gorska, P.H. Regan, Zs. Podoly´ak, M. Pfutzner, S. Pietri, P. Boutachkov, H. Weick, J. Grebosz, A.M. Bruce, J. Alcantara Nunez, A. Algora, N. Al-Dahan, Y. Ayyad, N. Alkhomashi, P.R.P. Allegro, D. Bazzacco, J. Benlliure, M. Bowry, M. Bunce, E. Casarejos, M.L. Cortes, A.M.D. Bacelar, A.Y. Deo et al.
    Phys.Rev. C89, 014324 (2014).
  13. The population of metastable states as a probe of relativistic-energy fragmentation reactions.
    A.M.D. Bacelar, A.M. Bruce, Zs. Podoly´ak, N. Al-Dahan, M. Gorska, S. Lalkovski, S. Pietri, M.V. Ricciardi, A. Algora, N. Alkhomashi, J. Benlliure, P. Boutachkov, A. Bracco, E. Calore, E. Casarejos, I.J. Cullen, A.Y. Deo et al.
    Phys.Lett. B723, 302 (2013).
  14. New µs isomers in the neutron-rich 210Hg nucleus.
    A. Gottardo, J.J. Valiente-Dobon, G. Benzoni, A. Gadea, S. Lunardi, P. Boutachkov, A.M. Bruce, M. Gorska, J. Grebosz, S. Pietri, Zs. Podoly´ak, M. Pfutzner, P.H. Regan, H. Weick, J. Alcantara Nunez, A. Algora, N. Al-Dahan, G.de Angelis, Y. Ayyad, N. Alkhomashi, P.R.P. Allegro, D. Bazzacco, J. Benlliure, M. Bowry, A. Bracco, M. Bunce, F. Camera, E. Casarejos, M.L. Cortes, F.C.L. Crespi, A. Corsi, A.M.D. Bacelar, A.Y. Deo et al.
    Phys.Lett. B725, 292 (2013).
  15. Schottky mass measurements of heavy neutron-rich nuclides in the element range 70≤ Z ≤79 at the GSI Experimental Storage Ring.
    D.Shubina, R.B.Cakirli, Yu.A.Litvinov, K.Blaum, C.Brandau, F.Bosch, J.J.Carroll, R.F.Casten, D.M.Cullen, I.J.Cullen, A.Y. Deo et al.
    Phys.Rev. C 88, 024310 (2013).
  16. Evolution of octupole collectivity in 221Th.
    S.K. Tandel, M. Hemalatha, A.Y. Deo, S.B. Patel, R. Palit, T. Trivedi, J. Sethi, S. Saha, D.C. Biswas, S. Mukhopadhyay
    Phys.Rev. C 87, 034319 (2013).
  17. Multiple β− decaying states in 194Re: Shape evolution in neutron-rich osmium isotopes.
    N.Al-Dahan, P.H.Regan, Zs.Podoly´ak, P.M.Walker, N.Alkhomashi, G.D.Dracoulis, G.Farrelly, J.Benlliure, S.B.Pietri, R.F.Casten, P.D.Stevenson, W.Gelletly, S.J.Steer, A.B.Garnsworthy, E.Casarejos, J.Gerl, H.J.Wollersheim, J.Grebosz, M.G´orska, I.Kojouharov, H.Schaffner, A.Algora, G.Benzoni, A.Blazhev, P.Boutachkov, A.M.Bruce, I.J.Cullen, A.M.D.Bacelar, A.Y. Deo et al.
    Phys.Rev. C85, 034301 (2012).
  18. First measurement of beta decay half-lives in neutron-rich Tl and Bi isotopes.
    G.Benzoni, A.I.Morales, J.J.Valiente-Dobon, A.Gottardo, A.Bracco, F.Camera, F.C.L.Crespi, A.M.Corsi, S.Leoni, B.Million, R.Nicolini, O.Wieland, A.Gadea, S.Lunardi, P.Boutachkov, A.M.Bruce, M.G´orska, J.Grebosz, S.Pietri, Zs.Podoly´ak, M.Pfutzner, P.H.Regan, H.Weick, J.Alcantara Nunez, A.Algora, N.Al Dahan, G.de Angelis, Y.Ayyad, N.Alkhomashi, P.R.P.Allegro, D.Bazzacco, J.Benlliure, M.Bowry, M.Bunce, E.Casarejos, M.L.Cortes, A.M.D.Bacelar, A.Y. Deo et al.
    Phys.Lett. B715, 293 (2012).
  19. New Isomers in the Full Seniority Scheme of Neutron-Rich Lead Isotopes: The Role of Effective Three-Body Forces.
    A.Gottardo, J.J.Valiente-Dobon, G.Benzoni, R.Nicolini, A.Gadea, S.Lunardi, P.Boutachkov, A.M.Bruce, M.G´orska, J.Grebosz, S.Pietri, Zs.Podoly´ak, M.Pfutzner, P.H.Regan, H.Weick, J.Alcantara Nunez, A.Algora, N.Al-Dahan, G.de Angelis, Y.Ayyad, N.Alkhomashi, P.R.P.Allegro, D.Bazzacco, J.Benlliure, M.Bowry, A.Bracco, M.Bunce, F.Camera, E.Casarejos, M.L.Cortes, F.C.L.Crespi, A.Corsi, A.M.D.Bacelar, A.Y. Deo et al.,
    Phys. Rev. Lett.109, 162502 (2012).
  20. Long-lived isomers in neutron-rich Z=72-76 nuclides.
    M.W.Reed, P.M.Walker, I.J.Cullen, Yu.A.Litvinov, D.Shubina, G.D.Dracoulis, K.Blaum, F.Bosch, C.Brandau, J.J.Carroll, D.M.Cullen, A.Y. Deo et al.,
    Phys.Rev. C86, 054321 (2012).
  21. Trap-assisted separation of nuclear states for gamma-ray spectroscopy: the example of 100Nb.
    C.Rodriguez Triguero, A.M.Bruce, T.Eronen, I.D.Moore, M.Bowry, A.M.D.Bacelar, A.Y.Deo, et al.,
    J.Phys.(London) G39, 015101 (2012).
  22. Small quadrupole deformation for the dipole bands in 112In.
    T.Trivedi, R.Palit, J.Sethi, S.Saha, S.Kumar, Z.Naik, V.V.Parkar, B.S.Naidu, A.Y. Deo et al.,
    Phys.Rev. C85, 014327 (2012).
  23. Structural change of the unique-parity πh11/2 ⊗ νh11/2 configuration in 134Cs.
    H.Pai, G.Mukherjee, A.Raghav, R.Palit, C.Bhattacharya, S.Chanda, T.Bhattacharjee, S.Bhattacharyya, S.K.Basu, A.Goswami, P.K.Joshi, B.S.Naidu, Sushil K.Sharma, A.Y. Deo et al.,
    Phys. Rev. C84, 041301(R) (2011).
  24. Electromagnetic properties of vibrational bands in 170Er.
    D.D.DiJulio, J.Cederkall, C.Fahlander, A.Ekstrom, P.Golubev, K.Mattsson, D.Rudolph, G.de Angelis, S.Aydin, A.Y. Deo et al.,
    Eur.Phys. J. A 47, 25 (2011).
  25. Structures of 201Po and 205Rn from EC/β+-decay studies.
    A.Y. Deo, Zs. Podoly´ak, P.M. Walker, A. Algora, B. Rubio, J. Agramunt, L.M. Fraile, N. Al-Dahan, N. Alkhomashi, J.A. Briz, E. Estevez, G. Farrelly, W. Gelletly, A. Herlert, U. Ko¨ster, A. Maira, and S. Singla,
    Phys. Rev. C81, 024322 (2010).
  26. Discovery of Highly Excited Long-Lived Isomers in Neutron-Rich Hafnium and Tantalum Isotopes through Direct Mass Measurements.
    M. W. Reed, I. J. Cullen, P. M. Walker, Yu. A. Litvinov, K. Blaum, F. Bosch, C.Brandau, J. J. Carroll, D. M. Cullen, A. Y. Deo, B. Detwiller et al.,
    Phys. Rev. Lett.105, 172501 (2010).
  27. Structure of degenerate dipole bands in 106In and investigation of similar structure in neighbouring odd-odd isotopes.
    R. Palit, A.Y. Deo, Z. Naik, S. Sihotra, S. Kumar, P.K. Joshi, D. Mehta, and H.C. Jain,
    Nucl. Phys. A834 81c–83c (2010).
  28. Level structures in the 107In nucleus and their microscopic description.
    S. Sihotra, Z. Naik, R. Palit, A.Y. Deo, S. Kumar, P. K. Joshi, D. Mehta, and N.Singh,
    Eur. Phys. J. A 43, 45-53 (2010).
  29. Nuclear structure ‘southeast’ of 208Pb: Isomeric states in 208Hg and 209Tl.
    N. Al-Dahan, Zs. Podoly´ak, P.H. Regan, M. G´orska, H. Grawe, K.H. Maier, J. Gerl, S.B. Pietri, H.-J. Wollersheim, N. Alkhomashi, A.Y. Deo, A.M. Denis Bacelar et al.,
    Phys. Rev. C80, 061302(R) (2009).
  30. Experimental study of nuclei in the vicinity of the “island of inversion” through the fusion-evaporation reaction.
    R. Chakrabarti, S. Mukhopadhyay, Krishichayan, A. Chakraborty, A. Ghosh, S. Ray, S.S. Ghugre, A.K. Sinha, L. Chaturvedi, A.Y. Deo, I. Mazumdar, P.K. Joshi, R. Palit, Z. Naik, S. Kumar, N. Madhavan, R.P. Singh, S. Muralithar, B.K. Yogi, and U. Garg
    Phys. Rev. C80, 034326 (2009).
  31. Structure of dipole bands in 106In.
    A.Y. Deo, R. Palit, Z. Naik, S. Sihotra, S. Kumar, P.K. Joshi, I. Mazumdar, R.Chakrabarti, R. Kshetri, D. Mehta, and H.C. Jain,
    Phys. Rev. C79, 067304 (2009).
  32. Multiple band structures of 131Cs.
    S. Sihotra, R. Palit, Z. Naik, K. Singh, P. K. Joshi, A.Y. Deo, J. Goswamy, S. S. Malik, D. Mehta, C. R. Praharaj, H. C. Jain, and N. Singh,
    Phys. Rev. C78, 034313 (2008).
  33. High spin structure of 139Nd.
    S. Kumar, R. Palit, H.C. Jain, I. Mazumdar, P.K. Joshi, S. Roy, A.Y. Deo, Z. Naik, S.S. Malik, and A.K. Jain,
    Phys. Rev. C76, 014306 (2007).
  34. Systematics of the shears mechanism in silver isotopes.
    A.Y. Deo, S.B. Patel, S.K. Tandel, S. Muralithar, R.P. Singh, R. Kumar, R.K. Bhowmik, S.S. Ghugre, A.K. Singh, V. Kumar,and Amita,
    Phys. Rev. C73, 034313 (2006).
  35. Lifetime measurements in 112Sb.
    A.Y. Deo, S.K. Tandel, S.B. Patel, P.V. Madhusudhana Rao, S. Muralithar, R.P. Singh, R. Kumar, R.K. Bhowmik, and Amita,
    Phys. Rev.C71, 017303 (2005).
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