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  • Deppisch, Frank F.; Hati, Chandan; Patra, Sudhanwa; Sarkar, Utpal; Valle, Jose W. F. (Cornell University Library, 2016-08)
    We consider the possibility of grand unification of the SU(3)c⊗SU(3)L⊗U(1)X model in an SU(6) gauge unification group. Two possibilities arise. Unlike other conventional grand unified theories, in SU(6) one can embed the ...
  • Dhuria, Mansi; Hati, Chandan; Rangarajan, Raghavan; Sarkar, Utpal (Cornell University Library, 2015-01)
    We show that superstring inspired E6 models can explain both the recently detected excess eejj and $e \slashed p_T jj$ signals at CMS, and also allow for leptogenesis. Working in a R-parity conserving low energy supersymmetric ...
  • Dhuria, Mansi; Hati, Chandan; Sarkar, Utpal (Cornell University Library, 2015-07)
    We study the superstring inspired E6 model motivated U(1)N extension of the supersymmetric standard model to explore the possibility of explaining the recent excess CMS events and the baryon asymmetry of the universe in ...
  • Dhuria, Mansi; Hati, Chandan; Rangarajan, Raghavan; Sarkar, Utpal (Cornell University Library, 2015-03)
    We study the left-right symmetric extensions of the Standard Model (LRSM) and point out that the discovery of a right-handed charged gauge boson W±R with mass in the TeV range will have profound consequences for leptogenesis. ...
  • Deppisch, Frank F.; Hati, Chandan; Patra, Sudhanwa; Pritimita, Prativa; Sarkar, Utpal (Cornell University Library, 2016-01)
    The recent diphoton excess signal at an invariant mass of 750 GeV can be interpreted in the framework of left-right symmetric models with additional scalar singlets and vector-like fermions. We propose a minimal scenario ...
  • Dasgupta, Arnab; Hati, Chandan; Patra, Sudhanwa; Sarkar, Utpal (Cornell University Library, 2016-05)
    We present a minimal framework of U(1)B−L gauge extension of the Standard Model explaining dark matter abundance and matter-antimatter asymmetry simultaneously through an attractive mechanism of TeV scale WIMPy leptogenesis, ...
  • Hati, Chandan; Sarkar, Utpal (Cornell University Library, 2015-11)
    We propose a realization of mass varying neutrino dark energy in two extensions of the Standard Model (SM) with a dynamical neutrino mass related to the acceleron field while satisfying the naturalness. In the first scenario ...
  • Hati, Chandan; Patra, Sudhanwa; Pritimita, Prativa; Sarkar, Utpal; Deppisch, Frank F. (Cornell University Library, 2016-01)
    We discuss a class of left-right symmetric theories with a universal seesaw mechanism for fermion masses and mixing and the implications for neutrinoless double beta (0νββ) decay where neutrino masses are governed by natural ...

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