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  • Hati, Chandan; Deppisch, Frank F.; Patra, Sudhanwa; Sarkar, Utpal; Valle, Jose W. F. (Elsevier, 2016-11)
    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 ...
  • Hati, Chandan; Kumar, Girish; Mahajan, Namit (Springer Berlin Heidelberg, 2016-01)
    Recent experimental results from the LHCb, BaBar and Belle collaborations on the semitauonic decays of B meson, B¯¯¯¯→D(∗)τν¯¯¯, showing a significant deviation from the Standard Model (SM), hint towards a new physics ...
  • Dhuria, Mansi; Hati, Chandan; Rangarajan, Raghavan; Sarkar, Utpal (IOP Publishing, 2015-09)
    We review the non-supersymmetric (Extended) Left-Right Symmetric Models (LRSM) and low energy E6-based models to investigate if they can explain both the recently detected excess eejj signal at CMS and leptogenesis. The ...
  • Dhuria, Mansi; Hati, Chandan; Rangarajan, Raghavan; Sarkar, Utpal (American Physical Society, 2015-03)
    We show that superstring-inspired E6 models can explain both the recently detected excess eejj and epTjj signals at CMS and also allow for leptogenesis. Working in an R-parity conserving, low-energy supersymmetric effective ...
  • Dhuria, Mansi; Hati, Chandan; Sarkar, Utpal (American Physical Society, 2016-01)
    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 ...
  • Hati, Chandan (American Physical Society, 2016-04)
    we propose a possible explanation for the recent diphoton excess reported by ATLAS and CMS Collaborations at around a 750 GeV diphoton invariant mass within the framework of the E 6 -motivated alternative left-right ...
  • Dhuria, Mansi; Hati, Chandan; Rangarajan, Raghavan; Sarkar, Utpal (American Physical Society, 2015)
    We point out that the discovery of a right-handed charged gauge boson W±R with mass of around a few TeV, for example through a signal of two leptons and two jets that has been reported by CMS to have a 2.8σ local excess ...
  • Deppisch, Frank F.; Hati, Chandan; Patra, Sudhanwa; Pritimita, Prativa; Sarkar, Utpal (Elsevier, 2016-06)
    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 ...
  • Dhuria, Mansi; Hati, Chandan; Sarkar, Utpal (Elsevier, 2016-05)
    We study a cogenesis mechanism in which the observed baryon asymmetry of the universe and the dark matter abundance can be produced simultaneously at low reheating temperature without violating baryon number in the fundamental ...
  • Hati, Chandan; Sarkar, Utpal (Springer Berlin Heidelberg, 2016-05)
    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 ...
  • Deppisch, Frank F.; Hati, Chandan; Patra, Sudhanwa; Pritimita, Prativa; Sarkar, Utpal (American Physical Society, 2018-02)
    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 ...
  • Hati, Chandan; Patra, Sudhanwa; Reig, Mario; Valle, Jose W.F.; Vaquera-Araujo, C.A. (American Physical Society, 2017-07)
    We consider the possibility of gauge coupling unification within the simplest realizations of the SU(3)c×SU(3)L×SU(3)R×U(1)X gauge theory. We present a first exploration of the renormalization group equations governing the ...

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