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papers

Publications (86)

hep-ph2014

Nonuniversality of indirect CP asymmetries in $D \to I ¨ I ¨ , K K$ decays

Amol Dighe, Diptimoy Ghosh, Bhavik P. Kodrani

We point out that, if the direct CP asymmetries in the $D \to I ¨ ^{+} I ¨ ^{-}$ and $D \to K^{+} K^{-}$ decays are unequal, the indirect CP asymmetries as measured in these modes are necessar…

hep-ph2017

New effects of non-standard self-interactions of neutrinos in a supernova

Anirban Das, Amol Dighe, Manibrata Sen

Neutrino self-interactions are known to lead to non-linear collective flavor oscillations in a core-collapse supernova. We point out new possible effects of non-standard self-inter…

hep-ph2021

Probing NSI in Atmospheric Neutrino Experiments using Oscillation Dip and Valley

Anil Kumar, Amina Khatun, Sanjib Kumar Agarwalla +1

We propose a new approach to probe neutral-current non-standard neutrino interaction parameter $ε_{I^¼ I ¨ }$ using the oscillation dip and oscillation valley. Using the simu…

hep-ph2011

Reconciling anomalous measurements in $B_{s} - B ˉ_{s}$ mixing: the role of CPT-conserving and CPT-violating new physics

Amol Dighe, Diptimoy Ghosh, Anirban Kundu +1

Recently observed anomalies in the $B_{s} \to J / I ¨ I ¨ $ decay and the like-sign dimuon asymmetry $A_{s l}^{b}$ hint at possible new physics (NP) in the $\bsbsbar$ mixing. We parameterize…

hep-ph2009

Renormalization group evolution of neutrino masses and mixing in the Type-III seesaw mechanism

Joydeep Chakrabortty, Amol Dighe, Srubabati Goswami +1

We consider the standard model extended by heavy right handed fermions transforming as triplets under SU(2) $_{L}$ , which generate neutrino masses through the Type-III seesaw mechanis…

hep-ph2019

Tensors for tending to tensions in $I ¨ $ decays

Amol Dighe, Subhajit Ghosh, Girish Kumar +1

We propose a manifestly gauge invariant effective tensor operator that can account for the $C P$ asymmetry anomaly in $I ¨ $ decays, contrary to the claim made in literature. Addit…