S. Kar

activity

20142026

most citedExclusive nonleptonic Bc-meson decays to S-wave charmonium states

18 citations · 66 across the 11 of their papers we have counts for

collaborators

12 papers

eess.IV2026

Temporal-Enhanced Interpretable Multi-Modal Prognosis and Risk Stratification Framework for Diabetic Retinopathy (TIMM-ProRS)

Susmita Kar, A S M Ahsanul Sarkar Akib, Abdul Hasib +2

Diabetic retinopathy (DR), affecting millions globally with projections indicating a significant rise, poses a severe blindness risk and strains healthcare systems. Diagnostic comp…

hep-ph2024

Exclusive rare semileptonic decays of $B$ and $B_{c}$ mesons in the relativistic independent quark model

Kalpalata Dash, P. C. Dash, R. N. Panda +2

We investigate the exclusive rare semileptonic decays: $B (B_{c}) \to K (D_{(s)}) l l ˉ /Σ ν_{l} ν_{l} ˉ$ ( $l = μ, τ$ ) in the framework of relativistic independent quark (RIQ) model based…

hep-ph2023

Purely leptonic decays of heavy-flavored charged mesons

Kalpalata Dash, P. C. Dash, R. N. Panda +2

We study the purely leptonic decays of heavy-flavored charged pseudoscalar (P) and vector (V) mesons ( $D_{(s)}^{(*) +}$ , $B_{(c)}^{(*) +}$ ) in the relativistic independent quark (RIQ…

hep-ph2023

The nonleptonic decays of $b$ -flavored mesons to $S$ -wave charmonium and charm meson states

Kalpalata Dash, Lopamudra Nayak, P. C. Dash +3

The detection of radially excited heavy meson \\states in recent years and measurement of heavy meson decays, particularly $B_{c}^{+} \to J / ψ D_{s}^{+}$ and $B_{c}^{+} \to J / ψ D_{s}^{*+}$ , by the LH…

hep-ph2022★ 10 cited

Exclusive semileptonic $B_{c}$ -meson decays to radially excited charmonium and charm meson states

Lopamudra Nayak, P. C. Dash, Susmita Kar +1

In the wake of recent measurements of ratios of semileptonic branching fractions: $R_{J / ψ}, R_{D}$ and $R_{D^{*}}$ reported by the LHCb, BELLE and HFLAV Collaborat…

hep-ph2022★ 18 cited

Exclusive nonleptonic Bc-meson decays to S-wave charmonium states

Lopamudra Nayak, P. C. Dash, Susmita Kar +1

We study the exclusive two-body nonleptonic $B_{c} \to X_{c c ˉ} M$ decays, where $X_{c c ˉ}$ is either a ground(1S) or a radially excited (2S or 3S) charmonium and $M$ is a pseu…

hep-ph2021★ 13 cited

Lepton mass effects in exclusive semileptonic $B_{c}$ -meson decays

Lopamudra Nayak, Sonali Patnaik, P. C. Dash +2

In this work, we discuss exclusive semileptonic $B_{c}$ -meson decays: $B_{c} \to η_{c} (J / ψ) l ν$ and $B_{c} \to D (D^{*}) l ν$ in the framework of the relativistic independent quark(RIQ) model base…

hep-ph2019

Semileptonic $B_{c}$ meson decays to S-wave charmonium states

Sonali Patnaik, Lopamudra Nayak, P. C. Dash +2

We study the semileptonic decays of $B_{c}$ meson to S-wave charmonium states in the framework of relativistic independent quark model based on an average flavor-independent confinin…

hep-ph2018★ 8 cited

Electromagnetic transitions of $(b c ˉ)$ bound system

Sonali Patnaik, P. C. Dash, Susmita Kar +1

We study electromagnetic transitions: $B_{c}^{*} (n s) \to B_{c} (n s) e^{+} e^{-}$ , $B_{c}^{*} (n s) \to B_{c} (n^{'} s) e^{+} e^{-}$ and $B_{c} (n s) \to B_{c}^{*} (n^{'} s) e^{+} e^{-}$ in the relativistic indepe…

hep-ph2017★ 17 cited

Magnetic Dipole Transitions of $B_{c}$ and $B_{c}^{*}$ mesons in the Relativistic Independent Quark Model

Sonali Patnaik, P. C. Dash, S. Kar +2

We study M1-transitions involving mesons: $B_{c} (1 s)$ , $B_{c}^{*} (1 s)$ , $B_{c} (2 s)$ , $B_{c}^{*} (2 s)$ , $B_{c} (3 s)$ and $B_{c}^{*} (3 s)$ in the relativistic independent quark (RIQ) model based on a fla…

cond-mat.str-el2014

Properties of Many-Polaron in Fractional Dimensional Space

Krushna Mohan Mohapatra, Birendra Kumar Panda

Polaron binding energy and effective mass are calculated in the fractional-dimensional space approach using the second-order perturbation theory. The effect of carrier density on t…

cond-mat.str-el2014

Manypolaron system in the Fractional Dimensional Space within Plasmon Pole Approximatiion

Krushna Mohan Mohapatra, Birendra Kumar Panda, Susmita Kar

The polaron binding energy and effective mass in a degenerate polar gas is calculated in the fractional-dimensional approach under plasmon pole approximation.The effect of carrier…

Temporal-Enhanced Interpretable Multi-Modal Prognosis and Risk Stratification Framework for Diabetic Retinopathy (TIMM-ProRS)

Exclusive rare semileptonic decays of B and Bc​ mesons in the relativistic independent quark model

Purely leptonic decays of heavy-flavored charged mesons

The nonleptonic decays of b-flavored mesons to S-wave charmonium and charm meson states

Exclusive semileptonic Bc​-meson decays to radially excited charmonium and charm meson states