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  1. No Access

    Article

    Three-Loop Effect in r.m.s and Charge Radii of Heavy Flavored Mesons in a QCD Potential Model

    We make an analysis of r.m.s. and charge radii of heavy flavored mesons introducing the three-loop correction to the static potential $$V(r)=-...

    Tapashi Das, K K Pathak, D K Choudhury in International Journal of Theoretical Physics (2024)

  2. No Access

    Article

    Weak decays of \(B_{c}\) meson in a QCD potential model

    The leptonic and semileptonic decay properties of \(B_{c}\) B c ...

    Krishna Kingkar Pathak, Satyadeep Bhattacharya, Tapashi Das in Indian Journal of Physics (2023)

  3. Article

    Open Access

    Parameterisation space for Cornell potential in a QCD potential model

    We make a critical analysis on the free parameters of the Cornell potential \(-\frac{4\alpha _{s}}{3r}+br+c\) ...

    Krishna Kingkar Pathak, Satyadeep Bhattacharya… in The European Physical Journal C (2022)

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  4. No Access

    Article

    Charge radii and leptonic decay constants of heavy–light mesons in a potential model

    We report the results for charge radii and decay constants of heavy–light D and B mesons in an improved QCD potential model. To enhance the effectiveness of short-range and long-range effect of the potential ...

    Tapashi Das, D K Choudhury, K K Pathak, N S Bordoloi in Indian Journal of Physics (2021)

  5. No Access

    Article

    RMS and charge radii in a potential model

    The Dalgarno’s method of perturbation is used to solve the Schrodinger’s equation with the Cornell potential $$V(r)=-\frac{4\alpha _s}...

    Tapashi Das, D. K. Choudhury, K. K. Pathak in Indian Journal of Physics (2016)

  6. No Access

    Article

    Root mean square radii of heavy flavoured mesons in a quantum chromodynamics potential model

    We report the results of root mean square (r.m.s.) radii of heavy flavoured mesons in a QCD model with the potential V(r)=−(4α s/3r) + b r + c. As the potential is ...

    TAPASHI DAS, D K CHOUDHURY in Pramana (2016)