output
20152023
most citedExclusive nonleptonic Bc-meson decays to S-wave charmonium states

18 citations

14 papers

quant-ph2023★ 15 cited

Exact solution and coherent states of an asymmetric oscillator with position-dependent mass

Bruno G. da Costa, Ignacio S. Gomez, Biswanath Rath

We revisit the problem of the deformed oscillator with position-dependent mass [da Costa et al., J. Math. Phys. {\bf 62}, 092101 (2021)] in the classical and quantum formalisms, by…

hep-ph2022★ 10 cited

Exclusive semileptonic -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: and 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 decays, where is either a ground(1S) or a radially excited (2S or 3S) charmonium and is a pseu…

nucl-th2021★ 3 cited

Structural and decay properties of nuclei appearing in the -decay chains of 120 within the relativistic mean-field formalism

N. Biswal, Nishu Jain, Raj Kumar +2

An extensive study of -decay half-lives for various decay chains of isotopes of = 120 is performed within the axially deformed relativistic mean-field (RMF) formalism by emp…

hep-ph2021★ 13 cited

Lepton mass effects in exclusive semileptonic -meson decays

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

In this work, we discuss exclusive semileptonic -meson decays: and in the framework of the relativistic independent quark(RIQ) model base…

physics.gen-ph2020★ 15 cited

Asymmetric variation of a finite mass harmonic like oscillator

Jihad Asad, P. Mallick, B. Rath +4

Classical and quantum mechanical analysis have been carried out on harmonic like oscillator with asymmetric position dependent mass. Phase space analysis are performed both classic…

hep-ph2019

Semileptonic meson decays to S-wave charmonium states

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

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

hep-ph2017★ 17 cited

Magnetic Dipole Transitions of and mesons in the Relativistic Independent Quark Model

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

We study M1-transitions involving mesons: , , , , and in the relativistic independent quark (RIQ) model based on a fla…

physics.chem-ph2016★ 16 cited

Higher lying resonances in low-energy electron scattering with carbon monoxide

Amar Dora, Jonathan Tennyson, Kalyan Chakrabarti

R-matrix calculations on electron collisions with CO are reported whose aim is to identify any higher-lying resonances above the well-reported and lowest resonance at about 1…

quant-ph2016

Some studies on quantum equivalents of non-commutative operators via commutating eigenvalue relation: PT-symmetry

Biswanath Rath

We study quantum equivalents of non-commutative operators in quantum mechanics. Any matrix "" satisfying the non-commuting relation with "", can be used via $B^…

quant-ph2015

Spectral study on some complex PT-symmetry quantum systems using the Mathews-Lakshmanan position dependent mass in von Roos model and derivation of one parameter K.E [ S. Cruz ,J. Negro and L . M .Nieto [Phys .Lett 369(2007)]

Biswanath Rath

Present PT-symmetry deals with broken and unbroken spectra of ML oscillator.

quant-ph2015

Asymmetric factorization method on supersymmetry: Complex operators

Biswanath Rath

We propose asymmetric factorization method for supersymmetry involving complex operators. Model Hamiltonians satisfy supersymmetric energy conditions ; $…

quant-ph2015

Dual degeneracy in Supersymmetry

Biswanath Rath

We construct a double degenerate supersymmetry in one dimensional quantum mechanics. Here the energy levels satisfy the conditions and $E_{n,n+1}^{(+)}=E_{n+2,n+…

quant-ph2015

Sensitizing Non-Hermitian Hamiltonian for Study of Real Spectra : Controlled broken PT symmetry

Biswanath Rath

We find that a broken PT-symmetry operator when interacts with suitable Hermitian operator, new system becomes completely un-broken PT symmetry. Further on varying the contribution…