activity
20102024
most citedSpectroscopy as a test of Coulomb's law - A probe of the hidden sector

106 citations · 185 across the 14 of their papers we have counts for

collaborators

15 papers

hep-ph2024

Improved wave function for heavy-light mesons in QCD potential model approach and parameterization of the Cornell potential

Abdul Aziz, Sabyasachi Roy, Atri DEshamukhya

We report improved wave function for mesons in QCD potential model approach using multiplicative method for solution of Schrödinger equation for the extreme cases of inter-quark se…

hep-ph2022

Masses of Heavy Flavour Mesons in a potential Model Approach with Wave Function containing Airy's Infinite Series

Abdul Aziz, Sabyasachi Roy, Atri Deshamukhya

We report the masses of and sectors heavy-flavoured mesons obtained by using our recently developed meson wave function employing potential model approach with linear confi…

hep-ph2017★ 2 cited

A model of mesons in finite extra-dimension

Jugal Lahkar, D. K. Choudhury, S. Roy +1

Recently,problem of stability of H-atom has been reported in extra-finite dimension,and found out that it is stable in extra-finite dimension of size,,where,$a_…

hep-ph2016★ 12 cited

A Potential Model Approach in the Study of Static and Dynamic properties of Heavy-Light Quark-Antiquark Systems

Sabyasachi Roy, D K Choudhury

We report some approximate analytic form of meson wave function constructed upon solving Schrodinger equation with linear plus Coulomb type Cornell potential. With this wave functi…

hep-ph2014★ 2 cited

Hidden photons with Kaluza-Klein towers

Joerg Jaeckel, Sabyasachi Roy, Chris J. Wallace

One of the simplest extensions of the Standard Model (SM) is an extra U(1) gauge group under which SM matter does not carry any charge. The associated boson -- the hidden photon --…

hep-ph2013

Hidden Photons in Extra Dimensions

Chris J. Wallace, Joerg Jaeckel, Sabyasachi Roy

Additional U(1) gauge symmetries and corresponding vector bosons, called hidden photons, interacting with the regular photon via kinetic mixing are well motivated in extensions of…

hep-ph2013

An Improved analysis of Isgur-Wise Function for Heavy Light Mesons in dimensional Potential Model

Sabyasachi Roy, D. K. Choudhury

This letter reports some improvement of the formalism and analysis of our very recent work \cite{SR1} on the studies of Isgur-Wise function for heavy-light mesons following higher…

hep-ph2013★ 14 cited

Effective String Theory Inspired Potential and Meson Masses in Higher Dimension

Sabyasachi Roy, D. K. Choudhury

Nambu-Goto action in classical bosonic string model for hadrons predicts quark-antiquark potential to be\cite{Nambu-Goto} . In this report we present studi…

hep-ph2013★ 2 cited

An Analysis of Isgur-Wise Function of Heavy-Light Mesons within a Higher Dimensional Potential Model Approach

Sabyasachi Roy, Dilip Kumar Choudhury

Nambu-Goto action for bosonic string predicts the quark-antiquark potential to be . The coefficient is the Lüscher coefficient of…

hep-ph2013★ 7 cited

A Higher Dimensional Potential Model Approach in the Study of Isgur-Wise Function for Heavy-Light Mesons

Sabyasachi Roy, D. K. Choudhury

Nambu-Goto action of bosonic string predicts the quark-antiquark potential to be . The coefficient is the universal Lüscher…

hep-ph2012★ 18 cited

Isgur-Wise function within a QCD quark model with Airy's function as the wave function of heavy-light mesons

Sabyasachi Roy, N. S. Bordoloi, D. K. Choudhury

We report some improved wave function for mesons taking linear confinement term in standard QCD potential as parent and Coulombic term as perturbation while applying quantum mechan…

hep-ph2012★ 8 cited

Isgur-Wise Function for Heavy Light Mesons in D dimensional Potential Model

Sabyasachi Roy, Bhaskar Jyoti Hazarika, Dilip Kumar Choudhury

We report results of a potential model for mesons in D space-time dimension developed by considering the quark-antiquark potential of Nambu-Goto strings. With this wave function, w…

hep-ph2012★ 14 cited

An analysis of the Isgur-Wise Function and its derivatives within a Heavy-Light QCD Quark Model

Sabyasachi Roy, Dilip Kumar Choudhury

In determining the mesonic wave function from QCD inspired potential model, if the linear confinement term is taken as parent (with columbic term as perturbation), Airy's function…

hep-ph2010

Spectroscopic Bounds on New Physics

Joerg Jaeckel, Sabyasachi Roy

We use atomic spectra to extend pure Coulomb's law tests to larger masses. We interpret these results in terms of constraints for hidden sector photons. With existing data the boun…

hep-ph2010★ 106 cited

Spectroscopy as a test of Coulomb's law - A probe of the hidden sector

Joerg Jaeckel, Sabyasachi Roy

High precision spectroscopy can provide a sensitive tool to test Coulomb's law on atomic length scales. This can then be used to constrain particles such as extra "hidden" photons…