91 citations · 1.2k across the 79 of their papers we have counts for
29 papers · 1 filter
Correlation of density fluctuation in a magnetized QCD matter near the critical end point
Mahfuzur Rahaman, Md Hasanujjaman, Golam Sarwar +2
The dynamical correlation of density fluctuation in quark gluon plasma with a critical end point has been investigated within the scope of the Müller-Israel-Stewart theory in the p…
Nonlinear waves in a hot, viscous and nonextensive quark gluon plasma
Golam Sarwar, Md Hasanujjaman, Trambak Bhattacharyya +3
The effects of the non-extensive statistics on the nonlinear propagation of perturbations have been studied within the scope of relativistic second order dissipative hydrodynamics…
The fate of nonlinear perturbations near the QCD critical point
Golam Sarwar, Md Hasanujjaman, Mahfuzur Rahaman +2
The impact of the QCD critical point on the propagation of nonlinear waves has been studied. The effects have been investigated within the scope of second-order causal dissipative…
Dynamical spectral structure of density fluctuation near QCD critical point
Md Hasanujjaman, Golam Sarwar, Mahfuzur Rahaman +2
The expression for the dynamical spectral structure of the density fluctuation near the QCD critical point has been derived using linear response theory within the purview of Israe…
Dispersion and suppression of sound near QCD critical point
Md Hasanujjaman, Mahfuzur Rahaman, Abhijit Bhattacharyya +1
We have used second order relativistic hydrodynamics equipped with equation of state which includes the critical point to study the propagation of perturbation in a relativistic QC…
production in collisions
Partha Pratim Bhaduri, Abhijit Bhattacharyya
We have analyzed the data on production in proton-nucleus () collisions, available from the NA50 Collaboration in the SPS energy domain. The investigated data sets includ…
Microscopic folding model analysis of the radiative reactions near the shell-closure and the weak s-process
Saumi Dutta, G. Gangopadhyay, Abhijit Bhattacharyya
The radiative thermal neutron capture cross sections over the range of thermal energies from 1 keV to 1 MeV are studied in statistical Hauser-Feshbach formalism. The optical model…
Microscopic potential model analysis of the radiative cross sections near the shell closure taking part in the main s-component
Saumi Dutta, G. Gangoapdhyay, Abhijit Bhattacharyya
The neutron capture cross sections have been studied near the closed shell for a number of nuclei those take part in heavy element nucleosynthesis, the slow and the rapid ne…
Radiative proton capture cross sections in the mass range
Dipti Chakraborty, Saumi Dutta, G. Gangopadhyay +1
Proton capture cross sections in the energy range of astrophysical interest for mass region 40-54 have been calculated in the Hauser-Feshbach formalism with reaction code TALYS1.6.…
Neutron capture reactions relevant to s-process and p-process in the domain of the shell closure
Saumi Dutta, G. Gangopadhyay, Abhijit Bhattacharyya
Radiative thermal neutron capture cross sections for nuclei participating in s-process and p-process nucleosynthesis in and around closed neutron shell have been calculated…
Neutron Capture Reactions near N=82 Shell-Closure
Saumi Dutta, Dipti Chakraborty, G. Gangopadhyay +1
Neutron capture cross-sections have been calculated in nuclei near the N=82 neutron shell closure. These nuclei are of astrophysical interest, participating in s-process and p-proc…
Microscopic Study of (p,) Reactions in Mass Region A=110-125
Dipti Chakraborty, Saumi Dutta, G. Gangopadhyay +1
Low energy proton capture reactions have been studied in statistical model using the semi-microscopic optical potential in the mass range A=110-125. Nuclear density obtained from r…
Low-energy proton capture reactions in the mass region 55-60
Saumi Dutta, Dipti Chakraborty, G. Gangopadhyay +1
Low energy proton capture reactions in the mass 55-60 region are studied in a microscopic optical model. Nuclear density profile is calculated using the relativistic mean field the…
Quadrupole deformation in -hypernuclei
Bipasha Bhowmick, Abhijit Bhattacharyya, G. Gangopadhyay
Shapes of light normal nuclei and -hypernuclei are investigated using relativistic mean field approach. The FSUGold parametrization is used for this purpose. The addition of a $…
Massive neutron stars with hyperonic core : a case study with the IUFSU model
Bipasha Bhowmick, Madhubrata Bhattacharya, Abhijit Bhattacharyya +1
The recent discoveries of massive neutron stars, such as PSR J and PSR J, have raised questions about the existence of exotic matter such as hyperons in the n…
Strange baryons, nuclear dripline and shrinkage : A Relativistic Mean Field study
Bipasha Bhowmick, Abhijit Bhattacharyya, G. Gangopadhyay
Neutron and proton driplines of single- and double- hypernuclei, hypernuclei as well as normal nuclei are studied within a relativistic mean field approach using an e…
Ground states and excited states of hypernuclei in Relativistic Mean Field approach
Bipasha Bhowmick, Abhijit Bhattacharyya, G. Gangopadhyay
Hypernuclei have been studied within the framework of Relativistic Mean Field theory. The force FSU Gold has been extended to include hyperons. The effective hyperon-nucleon and nu…
Stability against decay of some recently observed superheavy elements
Partha Roy Chowdhury, G. Gangopadhyay, Abhijit Bhattacharyya
The probability of particle emission for some recently observed superheavy nuclei (SHN) are investigated. The -decay half lives of SHN are calculated in a quantum tunneling…
Isospin asymmetric nuclear matter and properties of axisymmetric neutron stars
Partha Roy Chowdhury, Abhijit Bhattacharyya, D. N. Basu
Pure hadronic compact stars, above a limiting value (1.6 M) of their gravitational masses, to which predictions of most of other equations of state (EoSs) are rest…
Deconfinement Phase Transition in Compact Stars : Maxwell vs. Gibbs Construction of the Mixed Phase
Abhijit Bhattacharyya, Igor N. Mishustin, Walter Greiner
We study different realisations of the first order deconfinement phase transition inside a compact star by comparing the Gibbs and Maxwell construction for the mixed phase. The had…
Mesonic Excitations of QGP: Study with an Effective Model
Paramita Deb, Abhijit Bhattacharyya, Saumen Datta +1
We study the correlations between quark-antiquark pairs in different quantum number channels in a deconfined plasma by using an effective model of QCD. Using the three flavour PNJL…
-mass Modification in - a Signal of Restoration of Chiral Symmetry or Test for Nuclear Matter Models ?
Abhijit Bhattacharyya, Sanjay K. Ghosh, Sibaji Raha
Two recent experiments have demonstrated that the effective -mass in nuclear medium, as extracted from the reaction, is substantially reduced. This has been a…
Pion and Kaon dissociation in hot quark medium
Abhijit Bhattacharyya, Sanjay K. Ghosh, Sibaji Raha
Pion and kaon dissociation in a medium of hot quark matter is studied in the Nambu Jona-Lasinio model. The decay width of pion and kaon are found to be large but finite at temperat…
Mixing at High Temperature and Density
Abhijit Bhattacharyya
The temperature and density dependence of the mixing amplitude has been studied from a purely hadronic model. The in-medium baryon masses and chemical potentials have been ob…