Bottomonium spectroscopy using Coulomb plus linear (Cornell) potential
Abstract The Coulomb plus linear (Cornell) potential is used to investigate the mass
spectrum of bottomonium. Gaussian wave function is used in position and momentum space …
spectrum of bottomonium. Gaussian wave function is used in position and momentum space …
Charmonium spectroscopy motivated by general features of pNRQCD
R Chaturvedi, AK Rai - International Journal of Theoretical Physics, 2020 - Springer
Mass spectrum of charmonium is computed in the framework of potential non-relativistic
quantum chromodynamics. O (1/m) and O (1/m 2) relativistic corrections to the Cornell …
quantum chromodynamics. O (1/m) and O (1/m 2) relativistic corrections to the Cornell …
Spectroscopy of ground and excited states of pseudoscalar and vector charmonium and bottomonium
H Negash, S Bhatnagar - International Journal of Modern Physics E, 2016 - World Scientific
In this paper, we calculate the mass spectrum, weak decay constants, two photon decay
widths, and two-gluon decay widths of ground (1 S) and radially excited (2 S, 3 S,…) states …
widths, and two-gluon decay widths of ground (1 S) and radially excited (2 S, 3 S,…) states …
and radiative transitions involving heavy-light axial, pseudoscalar, and vector quarkonia in the framework of the Bethe-Salpeter equation
V Guleria, E Gebrehana, S Bhatnagar - Physical Review D, 2021 - APS
In the present work, we calculate M 1 transitions, 0-+→ 1--γ, and E 1 transitions involving
axial vector mesons such as 1+-→ 0-+ γ and 0-+→ 1+-γ for which very little data is available …
axial vector mesons such as 1+-→ 0-+ γ and 0-+→ 1+-γ for which very little data is available …
Analytic approach to calculations of mass spectra and decay constants of heavy-light quarkonia in the framework of Bethe-Salpeter equation
E Gebrehana, S Bhatnagar, H Negash - Physical Review D, 2019 - APS
This work is an extension of the work in [Phys. Rev. D 97, 034021 (2018) PRVDAQ 2470-
0010 10.1103/PhysRevD. 97.034021] to ground and excited states of 0++, 0-+, and 1--of …
0010 10.1103/PhysRevD. 97.034021] to ground and excited states of 0++, 0-+, and 1--of …
Radiative decays of heavy-light quarkonia through and transitions in the framework of the Bethe-Salpeter equation
S Bhatnagar, E Gebrehana - Physical Review D, 2020 - APS
In this work we study the radiative decays of heavy-light quarkonia through M 1 and E 1
transitions that involve quark-triangle diagrams with two hadron-quark vertices in the …
transitions that involve quark-triangle diagrams with two hadron-quark vertices in the …
A dynamical principle for 3D–4D interlinkage in Salpeter-like equations
AN Mitra, BM Sodermark - Nuclear Physics A, 2001 - Elsevier
The half-century old Markov–Yukawa Transversality Principle (MYTP) which provides a
theoretical rationale for the covariant instantaneous approximation (CIA) that underlies all …
theoretical rationale for the covariant instantaneous approximation (CIA) that underlies all …
Approach to calculation of mass spectra and two-photon decays of mesons in the framework of Bethe-Salpeter equation
S Bhatnagar, L Alemu - Physical Review D, 2018 - APS
In this work we calculate the mass spectra of charmonium for 1 P,…, 4 P states of 0++ and
1++, for 1 S,…, 5 S states of 0-+, and for 1 S,…, 4 D states of 1--along with the two-photon …
1++, for 1 S,…, 5 S states of 0-+, and for 1 S,…, 4 D states of 1--along with the two-photon …
Bottomonium spectroscopy motivated by general features of pNRQCD
The bottomonium mass spectra are computed in the framework of potential non-relativistic
quantum chromodynamics. The potential consists of a static term incorporating the Coulomb …
quantum chromodynamics. The potential consists of a static term incorporating the Coulomb …
Relevance of various Dirac covariants in hadronic Bethe-Salpeter wave functions in electromagnetic decays of ground state vector mesons
S Bhatnagar, J Mahecha, Y Mengesha - Physical Review D, 2014 - APS
In this work we have employed the Bethe-Salpeter equation (BSE) under covariant
instantaneous ansatz to study electromagnetic decays of ground state equal mass vector …
instantaneous ansatz to study electromagnetic decays of ground state equal mass vector …