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Prof. Dr. Utpal Sarkar

Profile

Academic positionFull Professor
Research fieldsElementary Particle Physics,Theoretical Physics
KeywordsBaryogenesis and Leptogenesis, CP Violation, Dark Matter and Dark Energy, Extra Dimensions, Neutrinos

Current contact address

CountryIndia
CityAhmedabad
InstitutionPhysical Research Laboratory
InstituteDepartment of Theoretical Physics
Homepagehttp://www.prl.res.in/~utpal

Host during sponsorship

Prof. Dr. Emmanuel A. PaschosLehrstuhl für Theoretische Physik III, Technische Universität Dortmund, Dortmund
Prof. Dr. Wilfried BuchmüllerDeutsches Elektronen-Synchrotron (DESY), Hamburg
Prof. Dr. Wilfried BuchmüllerGruppe Theorie, Deutsches Elektronen-Synchrotron (DESY), Hamburg
Start of initial sponsorship01/03/1994

Programme(s)

1993Humboldt Research Fellowship Programme

Publications (partial selection)

2007Utpal Sarkar: Anomaly for Model building. In: Int. Jour. Mod. Phys. A, 2007, 931
2007Santosh SIngh, Utpal Sarkar: CP violation in neutrino mass matrix . In: Nucl. Phys. B, 2007, 28
2007S. Majhee, M.K. Parida, A. Raychaudhuri, Utpal Sarkar: Low intermediate scales for leptogenesis in SUSY SO(10) GUTs. In: Phys. Rev. D, 2007, 075003
2007E. Ma, N. Sahu, Utpal Sarkar: Low-Energy Thermal Leptogenesis in an Extended NMSSM Model. In: J. Phys. G , 2007, 741
2007C.T. Hill, I. Mocioiu, E.A. Paschos, Utpal Sarkar: Neutrino Phenomenology, Dark Energy and Leptogenesis from pseudo-Nambu-Goldstone Bosons.. In: Phys. Lett. B, 2007, 188
2006Utpal Sarkar, Ernest Ma Connecting dark energy to neutrinos with an observable higgs triplet. In: Phys. Lett. , 2006, 356
2006K. Bhattacharya, N. Sahu, S. Singh, Utpal Sarkar: Leptogenesis and low energy CP phases with two heavy neutrinos. In: Phys. Rev. D, 2006, 093001
2006E. Ma, N. Sahu, Utpal Sarkar: Leptogenesis below the Davidson-Ibarra bound. In: J. Phys. G, 2006, L65
2006N. Sahu, Utpal Sarkar: Leptogenesis bound on neutrino masses in left-right symmetric models with spontaneous D-parity violation. In: Phys. Rev. D, 2006, 093002
2006K. Bhattacharya, C.R. Das, B.R. Desai, G. Rajasekaran, Utpal Sarkar: See-saw fermion masses in an SO(10) GUT . In: Phys. Rev. D, 2006, 015003
2005Utpal Sarkar, B.R. Desai, G. Rajasekaran: An SO(10) GUT with see-saw masses for all fermions. In: Phys. Lett. B, 2005, 167-174
2005Utpal Sarkar: Minimal supersymmetric SO(10) GUT with only doublet Higgs. In: Phys. Lett. B, 2005, 118-123
2005Utpal Sarkar: Split Supersymmetry in an orbifold GUT. In: Phys. Rev. D, 2005, 035002-1-5
2004Utpal Sarkar: Parity in left-right symmetric models. In: Phys. Lett. B, 2004, 308-314
2003Utpal Sarkar, H.V. Klapdor-Kleingrothaus: Consequences of neutrinoless double beta decay and WMAP. In: Mod. Phys. Lett. A, 2003, 2243-2254
2003Utpal Sarkar, Palash B. Pal: Gauged B - 3L(tau), low-energy unification and proton decay. In: Phys. Lett. B, 2003, 147-152
2003Utpal Sarkar, H.V. Klapdor-Kleingrothaus: Neutrinoless double beta decay with scalar bilinears. In: Phys. Lett. B, 2003, 45-50
2003Utpal Sarkar, Biswajoy Brahmachari, Ernest Ma: Truly minimal left right model of quark and lepton masses. In: Phys. Rev. Lett. , 2003, 011801-1-4
2002Utpal Sarkar, H.V. Klapdor-Kleingrothaus: Baryon and lepton number violation with scalar bilinears. In: Mod. Phys. Lett. A, 2002, 2221-2228
2002Utpal Sarkar, H.V. Klapdor-Kleingrothaus: Majorana neutrinos with split fermions in extra dimensions. In: Phys. Lett B, 2002, 332-337
2002Utpal Sarkar, H.V. Klapdor-Kleingrothaus: Neutrino mixing schemes and neutrinoless double beta decay. In: Phys. Lett. B, 2002, 71-76
2002Utpal Sarkar, P.K. Panigrahi: Nuclear devices and basic neutrino oscillation research. In: Mod. Phys. Lett. A, 2002, 1893-1897
2001Utpal Sarkar, Thomas Hambye, Ernest Ma, Martti Raidal: Allowable low-energy E(6) subgroups from leptogenesis. In: Phys. Lett. B, 2001, 373-378
2001Utpal Sarkar, H.V. Klapdor-Kleingrothaus: Implications of observed neutrinoless double beta decay. In: Mod. Phys. Lett. A, 2001, 2469-2482
2001Utpal Sarkar, Ernest Ma, Martti Raidal: Low scale axion from large extra dimensions. In: Phys. Lett. B, 2001, 296-300
2001Utpal Sarkar, Asim K. Ray: Neutrino mass matrices in models with horizontal symmetries. In: Mod. Phys. Lett. A, 2001, 2345-2352
2001Utpal Sarkar, Ernest Ma, Martti Raidal: Phenomenology of the neutrino mass giving Higgs triplet and the low-energy seesaw violation of lepton number. In: Nucl. Phys. B, 2001, 313-330
2001Utpal Sarkar, Biswajoy Brahmachari, Ernest Ma: Supersymmetric model of neutrino mass and leptogenesis with string scale unification. In: Phys. Lett. B, 2001, 152-158
2001Utpal Sarkar, Thomas Hambye, Ernest Ma: Supersymmetric triplet Higgs model of neutrino masses and leptogenesis. In: Nucl. Phys. B, 2001, 23-38
2001Utpal Sarkar, Yong Liu: CP violation in neutrino mixing matrix and leptogenesis. In: Mod. Phys. Lett. A, 2001, 603-613
2000Utpal Sarkar, Yong Liu: About the mixing and CP violation in neutrino system. In: Commun. Theor. Phys., 2000, 289-294
2000Utpal Sarkar, H.V. Klapdor-Kleingrothaus, H. Pas: Confronting dilaton exchange gravity with experiments. In: Phys. Lett. B, 2000, 398-401
2000Utpal Sarkar, H.V. Klapdor-Kleingrothaus, H. Pas: Effects of new gravitational interactions on neutrinoless double beta decay. In: Phys. Lett. B, 2000, 269-274
2000Utpal Sarkar, H.V. Klapdor-Kleingrothaus, H. Pas: Effects of quantum space-time foam in the neutrino sector. In: Eur. Phys. Jour. A, 2000, 577-580
2000Utpal Sarkar, Thomas Hambye, Ernest Ma: Leptogenesis from R-parity nonconservation. In: Phys. Rev. D, 2000, 015010-1-4
2000Utpal Sarkar, Thomas Hambye, Ernest Ma: Leptogenesis from neutralino decay with nonholomorphic R-parity violation. In: Nucl. Phys. B, 2000, 429-452
2000Utpal Sarkar, Kyunsik Kang, Sin Kyu Kang: Lepton flavor mixing and baryogenesis. In: Phys. Lett. B, 2000, 391-399
2000Utpal Sarkar, Ernest Ma, G. Rajasekaran: Light sterile neutrinos from large extra dimensions. In: Phys. Lett. B, 2000, 363-368
2000Utpal Sarkar: Models of neutrino masses and baryogenesis. In: Pramana, 2000, 101-118
2000Utpal Sarkar, H.V. Klapdor-Kleingrothaus, S. Kolb: Neutrino Majorana mass and baryon number of the universe below the electroweak symmetry breaking scale. In: Phys. Lett. B, 2000, 289-293
2000Utpal Sarkar, Durmus A. Demir, Ernest Ma: Neutrino masses and the gluino axion model. In: J. Phys. G, 2000, L117-121
2000Utpal Sarkar, Ernest Ma, Martti Raidal: Verifiable model of neutrino masses from large extra dimensions. In: Phys. Rev. Lett., 2000, 3769-3772
1999Utpal Sarkar, Ernest Ma, Martti Raidal: Baryogenesis with scalar bilinears. In: Phys. Rev. D, 1999, 076005-1-4
1999Utpal Sarkar, S. Sarkar, A.K. Ray: Constraints on the SU(5)C x SU(2)L x U(1)' model from LEP data. In: Int. Jour. Mod. Phys. A, 1999, 1049-1060
1999Utpal Sarkar: Degenerate Dirac neutrinos. In: Phys. Rev. D, 1999, 037302-1-4
1999Utpal Sarkar, David Delepine: Gravitino constraints on models of neutrino masses and leptogenesis. In: Phys. Rev. D, 1999, 055005-1-4
1999Utpal Sarkar: Naturally light sterile neutrinos. In: Phys. Rev. D, 1999, 031301-1-4
1999Utpal Sarkar, Ernest Ma, Martti Raidal: Probing the exotic particle content beyond the standard model. In: Eur. Phys. Jour. C, 1999, 301-309
1999Utpal Sarkar, Ernest Ma, Subir Sarkar: Scale of SU(2)(R) symmetry breaking and leptogenesis. In: Phys. Lett. B, 1999, 73-78
1999Utpal Sarkar, Jacqueline Faridani, Smaragda Lola, Patrick J. O'Donnell: Scale of leptogenesis. In: Eur. Phys. Jour. C, 1999, 543-549
1999Utpal Sarkar, H.V. Klapdor-Kleingrothaus, H. Pas: Test of special relativity and equivalence principle from neutrinoless double beta decay. In: Eur. Phys. Jour. A, 1999, 3-6
1999Utpal Sarkar, E. Ma, M. Raidal: Neutrino masses in supersymmetry: R parity and leptogenesis. In: Phys. Lett. B, 1999, 359-364
1998Utpal Sarkar, Ernest Ma, D.P. Roy: A Seesaw model for atmospheric and solar neutrino oscillations. In: Phys. Lett. B, 1998, 391-396
1998Utpal Sarkar, Rathin Adhikari: Baryogenesis in a supersymmetric model without R-parity. In: Phys. Lett. B, 1998, 59-64
1998Utpal Sarkar, R. Vaidya: CP violation in the mass matrix of heavy neutrinos. In: Phys. Lett. B, 1998, 243-248
1998Utpal Sarkar, Subhendra Mohanty: Constraints on background torsion field from K physics. In: Phys. Lett. B, 1998, 424-428
1998Utpal Sarkar, Ernest Ma: Gauged B - 3L(tau) and baryogenesis. In: Phys. Lett. B, 1998, 95-102
1998Utpal Sarkar, Ernest Ma: Neutrino masses and leptogenesis with heavy Higgs triplets. In: Phys. Rev. Lett. , 1998, 5716-5719
1998Utpal Sarkar, Thomas Hambye, Robert B. Mann: Test of special relativity and equivalence principle from K physics. In: Phys. Rev. D, 1998, 025003-1-8
1998Utpal Sarkar, T. Hambye, R.B. Mann: Test of special relativity from K physics. In: Phys. Lett. B, 1998, 105-108
1998Utpal Sarkar, Subhendra Mohanty, D.P. Roy: Texture of a four neutrino mass matrix. In: Phys. Lett. B, 1998, 185-190