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Article
Open AccessProbing quantum decoherence at Belle II and LHCb
With the advent of Belle II and the LHCb upgrade, the precision measurements of various B-Physics observables are on cards. This holds significant potential for delving into physics beyond the standard model o...
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Article
Open AccessConstraints on the doublet left-right symmetric model from Higgs data
We study the constraints on the doublet left-right symmetric model (DLRSM) arising due to the Higgs data. The SU(2)L symmetry of this model is broken by three vacuum expectation values, κ1, κ2 and vL. Most studie...
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Article
A unique discrimination between new physics scenarios in \(b\rightarrow s\mu ^+\mu ^-\) anomalies
A number of observables related to the \(b \rightarrow s \ell ^+ \ell ^-\) b ...
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Chapter and Conference Paper
Charged Lepton Flavour Violating Decays as Signatures of \(A_4\) Symmetry
We study the charged lepton flavour violation in a popular neutrino mass model with \(A_4\) ...
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Article
Open AccessSignatures of \(A_4\) symmetry in the charged lepton flavour violating decays in a neutrino mass model
We study the charged lepton flavour violation in a popular neutrino mass model with \(A_4\) ...
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Article
Hadron energy estimation from atmospheric neutrino events
The iron calorimeter (ICAL) at India-based neutrino observatory (INO) is designed to mainly observe the muons produced in the charged current interactions of atmospheric muon neutrinos and antineutrinos. The t...
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Chapter and Conference Paper
New Physics Solutions for \(b\rightarrow c\tau \bar{\nu }\) Anomalies After Moriond 2019
At Moriond 2019, Belle collaboration has announced new measurements on the flavour ratios \(R_D - R_{D^*}\) ...
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Chapter and Conference Paper
Resolving \(R_D\) and \(R_{D^*}\) Anomalies
The current world averages of the ratios \(R_{D^{(*)}}\) are about \(4\sigma \) away from their Standard Model prediction. These measurements indicate towards the violation of lepton flavor universality in $$b\ri...
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Article
Open AccessNew physics solutions for RD and RD∗
Recent measurements of RD∗ have reduced tension with the Standard Model prediction. Taking all the present data into account, we obtain the values of the Wilson coefficients of each new physics four-fermion opera...
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Article
Open AccessUnderstanding the degeneracies in NOνA data
The combined analysis of νμ disappearance and νe appearance data of NOνA experiment leads to three nearly degenerate solutions. This degeneracy can be understood in terms of deviations in νe appearance signal, ca...
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Chapter and Conference Paper
Study of \(D^*\) Polarization to Discriminate New Physics in \(\bar{B} \rightarrow D^* \tau \bar{\nu }\)
Recent LHCb result shows a clear confirmation of excess in \(R_{D^*}\) and an indication of lepton non-universality. Here we have studied angular observable \(D^*\) polarization fraction, $$f_L(q^...
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Article
Invited review: Physics potential of the ICAL detector at the India-based Neutrino Observatory (INO)
The upcoming 50 kt magnetized iron calorimeter (ICAL) detector at the India-based Neutrino Observatory (INO) is designed to study the atmospheric neutrinos and antineutrinos separately over a wide range of ene...
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Chapter and Conference Paper
Study of Muonless Events at the INO ICAL Detector
The main physics signal for ICAL at INO consists of the \(\nu _\mu \) ...
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Article
Open AccessNon-zero θ 13 and δ CP in a neutrino mass model with A4 symmetry
In this paper, we consider a neutrino mass model based on A 4 symmetry. The spontaneous symmetry breaking in this model is chosen to obtain tribimaximal mixing in the neutrino sect...
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Article
Open AccessThe need for an early anti-neutrino run of NOνA
The moderately large value of θ 13, measured recently by reactor experiments, is very welcome news for the future neutrino experiments. In particular, the NOνA experiment, with 3 years each of ν a...
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Article
Open AccessExploring the three flavor effects with future superbeams using liquid argon detectors
Recent measurement of a moderately large value of θ 13 signifies an important breakthrough in establishing the standard three flavor oscillation picture of neutrinos. It has provided an opportunit...
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Article
Resolving the octant of θ 23 with T2K and NOνA
Preliminary results of MINOS experiment indicate that θ 23 is not maximal. Global fits to world neutrino data suggest two nearly degenerate solutions for θ 23: one in the lower oct...
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Article
Potential of optimized NOνA for large θ 13 & combined performance with a LArTPC & T2K
NOνA experiment has reoptimized its event selection criteria in light of the recently measured moderately large value of θ 13. We study the improvement in the sensitivity to the neutrino m...
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Article
Working group summary: Neutrinos and beyond Standard Model
This is the report of the working group on neutrinos and beyond the Standard Model in WHEPP-XI.
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Article
Do Two Flavour Oscillations Explain both KamLAND Data and the Solar Neutrino Spectrum?
The recent measurement of Δ sol by the KamLAND experiment with very small errors, makes definitive predictions for the energy dependence of the solar neutrino survival probabili...
