NSR Query Results
Output year order : Descending NSR database version of April 26, 2024. Search: Author = A.Bhattacharyya Found 44 matches. 2022PA22 Nucl.Phys. A1023, 122464 (2022) S.Pal, G.Kadam, A.Bhattacharyya Hadron resonance gas model with repulsive mean-field interactions: Specific heat, isothermal compressibility and speed of sound
doi: 10.1016/j.nuclphysa.2022.122464
2021BH12 Phys.Rev. C 104, 045801 (2021) A.Bhattacharyya, U.Datta, A.Rahaman, S.Chakraborty, T.Aumann, S.Beceiro Novo, K.Boretzky, C.Caesar, B.V.Carlson, W.N.Catford, M.Chartier, D.Cortina-Gil, P.Das, G.D.Angelis, P.Diaz Fernandez, H.Emling, H.Geissel, D.Gonzalez-Diaz, M.Heine, H.Johansson, B.Jonson, N.Kalantar-Nayestanaki, T.Kroll, R.Krucken, J.Kurcewicz, C.Langer, T.Le Bleis, Y.Leifels, J.Marganiec, G.Munzenberg, T.Nilsson, C.Nociforo, V.Panin, S.Paschalis, R.Plag, R.Reifarth, M.V.Ricciardi, C.Rigollet, D.Rossi, C.Scheidenberger, H.Scheit, H.Simon, Y.Togano, S.Typel, Y.Utsuno, A.Wagner, F.Wamers, H.Weick, J.S.Winfield Neutron capture cross sections of light neutron-rich nuclei relevant for r-process nucleosynthesis NUCLEAR REACTIONS 208Pb, 12C(29Na, X), (30Na, X), (33Mg, X), (35Al, X), E=410-430 MeV/nucleon, [secondary 29,30Na, 33Mg, 35Al beams from fragmentation of 540 MeV/nucleon 40Ar beam, followed by separation of ions of interest using the FRS-ALADIN-LAND apparatus at GSI]; measured reaction products, Eγ, Iγ, invariant mass spectra in coincidence with the sum energy of γ rays in different energy ranges using an array of 162 NaI(Tl) detectors for γ rays emitted from the excited core of the projectiles after Coulomb dissociation; deduced number of E1 type virtual photons from Coulomb, invariant mass spectra of breakup of incident beams into 28Na, 29Na, 32Mg and 34Al and one neutron in each case, and analyzed using direct breakup model. 29Na, 30Na, 33Mg, (γ, n), E*=2-16 MeV; 35Al(γ, n), E*=5-20 MeV, virtual photons from Coulomb breakup of incident beams; deduced photoabsorption σ(E) as function of excitation energy. 28,29Na, 32Mg, 34Al(n, γ), E<13 MeV; deduced neutron capture σ(E) using the photoabsorption cross sections. 28,29Na, 32Mg, 34Al(n, γ), T9=0.01-100; deduced astrophysical total reaction rates at the onset and at the end of the r-process. 14C(n, γ), E(cm)=10-1000 keV; analyzed previous experimental cross section data, and compared with theoretical calculations. 29,30Na, 33Mg, 35Al; deduced spectroscopic factors for the occupied orbitals of valence neutron(s) in the ground states from Coulomb breakup cross sections, and compiled previous experimental spectroscopic factors. Relevance to neutrino-driven wind model of core-collapse supernovae, and r-process nucleosynthesis.
doi: 10.1103/PhysRevC.104.045801
2021HA42 Eur.Phys.J. A 57, 283 (2021) M.Hasanujjaman, G.Sarwar, M.Rahaman, A.Bhattacharyya, J.-e.Alam Dynamical spectral structure of density fluctuation near the QCD critical point
doi: 10.1140/epja/s10050-021-00589-3
2021KU14 Nucl.Phys. A1013, 122226 (2021) V.Kumar, K.Saha, P.Shukla, A.Bhattacharyya Bottomonia production in p + p collisions under NRQCD formalism
doi: 10.1016/j.nuclphysa.2021.122226
2021MO16 Phys.Rev. C 103, 054908 (2021) A.Motornenko, S.Pal, A.Bhattacharyya, J.Steinheimer, H.Stoecker Repulsive properties of hadrons in lattice QCD data and neutron stars
doi: 10.1103/PhysRevC.103.054908
2021PA17 Nucl.Phys. A1010, 122177 (2021) Modified excluded volume hadron resonance gas model with Lorentz contraction
doi: 10.1016/j.nuclphysa.2021.122177
2020HA29 Phys.Rev. C 102, 034910 (2020) M.Hasanujjaman, M.Rahaman, A.Bhattacharyya, J.Alam Dispersion and suppression of sound near the QCD critical point
doi: 10.1103/PhysRevC.102.034910
2019BH03 Phys.Rev. C 99, 045207 (2019) A.Bhattacharyya, S.K.Ghosh, S.Maity, S.Raha, R.Ray, K.Saha, S.Samanta, S.Upadhaya Thermodynamics of strongly interacting matter in a hybrid model
doi: 10.1103/PhysRevC.99.045207
2016BH06 Europhys.Lett. 115, 62003 (2016) A.Bhattacharyya, S.K.Ghosh, R.Ray, S.Samanta Exploring effects of magnetic field on the hadron resonance gas
doi: 10.1209/0295-5075/115/62003
2016CH29 Phys.Rev. C 94, 015802 (2016) D.Chakraborty, S.Dutta, G.Gangopadhyay, A.Bhattacharyya Radiative proton capture cross sections in the mass range 40-54 NUCLEAR STRUCTURE 40Ar, 41K, 40,42,43,44,46Ca, 45Sc, 46,47,48,49,50Ti, 51V, 50,52,53,54Cr, 54Fe; calculated binding energies (BE) and charge radii using RMF theory with the NpNn correction. Comparison with experimental values. NUCLEAR REACTIONS 41K, 42,44,48Ca, 46,47,48,49,50Ti, 50,53,54Cr, 51V, 54Fe(p, γ), E=1-3 MeV; calculated astrophysical S factors and compared with available experimental values. 42Ti, 43,46V, 43Sc, 47Cr, 52Fe, 52,53Co(p, γ), T9=1-5; calculated proton capture reaction rate, and compared with NON-SMOKER results. Hauser-Feshbach formalism with the reaction code TALYS1.6.
doi: 10.1103/PhysRevC.94.015802
2016DU04 Phys.Rev. C 93, 024602 (2016) S.Dutta, D.Chakraborty, G.Gangopadhyay, A.Bhattacharyya Neutron capture reactions near the N=82 shell-closure NUCLEAR REACTIONS 140Ce(n, n), E=1.5, 2.0, 2.5, 3.0 MeV; 141Pr(n, n), E=0.878, 1.2 MeV; 142Nd(n, n), E=2.5 MeV; 148Sm(n, n), E=2.7; calculated σ(θ) and compared to experimental data. 133Cs, 139La, 140Ce, 141Pr, 135,136,137,138Ba, 142,143,144,145,146Nd, 144,147,148,149Sm(n, γ), E=0.001-1 MeV; calculated σ(E), Maxwellian-averaged cross sections (MACS) at kT=30 keV, and compared to experimental data. Semimicroscopic optical model with the DDM3Y nucleon-nucleon interaction. Relevance to astrophysical s- and p-processes for nuclei near N=82 neutron shell-closure. NUCLEAR STRUCTURE 133,134,135,136,137Cs, 130,132,134,135,136,137,138Ba, 138,139La, 136,138,140,141,142Ce, 141,142,143Pr, 142,143,144,145,146,147Nd, 147,148Pm, 144,147,148,149Sm; calculated charge densities, and root-mean-square (rms) charge radii using relativistic mean-field approach. Comparison with experimental values.
doi: 10.1103/PhysRevC.93.024602
2016DU17 Phys.Rev. C 94, 024604 (2016) S.Dutta, G.Gangopadhyay, A.Bhattacharyya Neutron capture reactions relevant to the s and p processes in the region of the N=50 shell closure NUCLEAR STRUCTURE 82,83,84,86Kr, 85Rb, 84,86,87,88Sr, 89Y, 90,91,92,94Zr, 93Nb, 92,94,95Mo, 96,98Ru; calculated binding energies, charge radii using RMF theory and compared with experimental data. NUCLEAR REACTIONS 85,86,87Rb, 84,86,87,88,89,90Sr, 89Y, 90,91,92,93,94,95,96Zr, 93,94,95Nb, 92,94,95,96,97,98,99Mo, 99Tc(n, γ), E=0.001-1 MeV; calculated σ(E), Maxwellian averaged cross sections (MACS), astrophysical reaction rates. Statistical semimicroscopic Hauser-Feshbach approach with a folded optical-model potential constructed from standard DDM3Y real nucleon-nucleon interaction, using TALYS1.8 code. Comparison with available experimental data. Relevance to astrophysical s and p processes.
doi: 10.1103/PhysRevC.94.024604
2016DU23 Phys.Rev. C 94, 054611 (2016) S.Dutta, G.Gangopadhyay, A.Bhattacharyya Microscopic folding model analysis of the radiative (n, γ) reactions near the Z=28 shell closure and the weak s process NUCLEAR REACTIONS 56,57,58,60Fe, 58,60,61,62,63,64Ni, 59Co, 63,65Cu, 64,66,68Zn, 69,71Ga(n, γ), E=0.001-1 MeV; calculated σ(E) and Maxwellian averaged cross sections (MACS) at kT=30 keV using TALYS1.8 computer code for statistical model Hauser-Feshbach calculations in a microscopic approach with the optical model potential from the density-dependent M3Y nucleon-nucleon interaction, and radial matter densities of target nuclei from relativistic-mean-field (RMF) theory. Comparison with experimental data. NUCLEAR STRUCTURE 56,57,58Fe, 58,60,61,62,64Ni, 59Co, 63,65Cu, 64,66,67,68,70Zn, 69,71Ga, 72Ge; calculated rms charge radii from relativistic-mean-field theory, and compared with experimental values.
doi: 10.1103/PhysRevC.94.054611
2015BH05 Phys.Rev. C 91, 041901 (2015) A.Bhattacharyya, R.Ray, S.Samanta, S.Sur Thermodynamics and fluctuations of conserved charges in a hadron resonance gas model in a finite volume
doi: 10.1103/PhysRevC.91.041901
2015CH34 Phys.Rev. C 91, 057602 (2015) D.Chakraborty, S.Dutta, G.Gangopadhyay, A.Bhattacharyya Microscopic study of (p, γ) reactions in the mass region A=110 - 125 NUCLEAR STRUCTURE 110Pd, 110,111,112,113,114,116Cd, 113,115In, 112,114,115,116,117,118,119,120,122,124Sn, 121,123Sb, 122,123,124,125Te, 124Xe; calculated binding energies, and charge radii. Relativistic meanfield (RMF) calculations. Comparison with experimental values. NUCLEAR REACTIONS 121,123Sb, 112,114,116,119Sn(p, γ), E=1.5-4.5 MeV; calculated astrophysical S factors and compared with experimental values. 111,113,114In, 112,114,115Sn(p, γ), T9=1.5-4; calculated proton capture rates and compared with NON-SMOKER calculations. Optical potential model with density-dependent (DDM3Y) interaction.
doi: 10.1103/PhysRevC.91.057602
2015DU04 Phys.Rev. C 91, 025804 (2015) S.Dutta, D.Chakraborty, G.Gangopadhyay, A.Bhattacharyya Low-energy proton capture reactions in the mass region 55-60 NUCLEAR STRUCTURE 56,58Fe, 58,60Ni; calculated density profiles. 55,56Mn, 56,57,58Fe, 59Co, 58,60Ni; calculated charge radii. Relativistic mean field (RMF) theory. Comparison with experimental data. NUCLEAR REACTIONS 55Mn(p, γ)56Fe, 59Fe(p, γ)59Co, 59Co(p, γ)60Ni, 58Ni(p, γ)59Cu, 60Ni(p, γ)61Cu, E=1-3.5 MeV; calculated astrophysical S-factor. Comparison with available experimental data. 56Ni(p, γ)57Cu, 57Cu(p, γ)58Zn, 59Cu(p, γ)60Zn, at T9=1-4; calculated astrophysical reaction rates. Comparison with calculations from NON-SMOKER model. Microscopic optical model using the relativistic mean field theory and DDM3Y interaction.
doi: 10.1103/PhysRevC.91.025804
2014BH07 Phys.Rev. C 89, 064905 (2014) A.Bhattacharyya, S.K.Ghosh, A.Lahiri, S.Majumder, S.Raha, R.Ray Isospin-symmetry breaking and baryon-isospin correlations from the Polyakov-Nambu-Jona-Lasinio model
doi: 10.1103/PhysRevC.89.064905
2014BH08 Phys.Rev. C 89, 065806 (2014) B.Bhowmick, M.Bhattacharya, A.Bhattacharyya, G.Gangopadhyay Massive neutron stars with a hyperonic core: A case study with the IUFSU relativistic effective interaction
doi: 10.1103/PhysRevC.89.065806
2014BH12 Eur.Phys.J. A 50, 125 (2014) B.Bhowmick, A.Bhattacharyya, G.Gangopadhyay Quadrupole deformation in Λ-hypernuclei
doi: 10.1140/epja/i2014-14125-7
2014BH13 Phys.Rev. C 90, 034909 (2014) A.Bhattacharyya, S.Das, S.K.Ghosh, R.Ray, S.Samanta Fluctuations and correlations of conserved charges in an excluded-volume hadron resonance gas model
doi: 10.1103/PhysRevC.90.034909
2012BH08 Int.J.Mod.Phys. E21, 1250069 (2012) B.Bhowmick, A.Bhattacharyya, G.Gangopadhyay Ground states and excited states of hypernuclei in relativistic mean field approach NUCLEAR STRUCTURE 6He, 8,10Be, 11,12,13B, 12,14C, 14,15N, 17,18O, 20Ne, 24Mg, 27Al, 33,36S, 41,42,49Ca, 55Fe, 60Ni, 86,87Kr, 88Rb, 91Zr, 51V, 89Y, 139La, 208,209,210Pb; calculated binding, hyperon separation and excitation energies for single and double hypernuclei. Relativistic mean field theory, FSU gold force.
doi: 10.1142/S0218301312500693
2011CH06 Phys.Rev. C 83, 027601 (2011) P.R.Chowdhury, G.Gangopadhyay, A.Bhattacharyya Stability against α decay of some recently observed superheavy elements RADIOACTIVITY 274Bh, 278Mt, 281Ds, 282Rg, 285Cn, 285,286Nh, 288,289Fl, 289,290Mc, 293,294Ts(α); calculated half-lives, quantum tunneling probabilities using DDM3Y effective interactions, RMF densities with NL3, TM1 and FSUGold forces. Comparison with measured half-lives.
doi: 10.1103/PhysRevC.83.027601
2011DE22 Nucl.Phys. A862-863, 267c (2011) P.Deb, A.Bhattacharyya, S.K.Ghosh, R.Ray, A.Lahiri QCD phase diagram using PNJL model with eight-quark interactions
doi: 10.1016/j.nuclphysa.2011.05.068
2010CH20 Phys.Rev. C 81, 062801 (2010) P.R.Chowdhury, A.Bhattacharyya, D.N.Basu Isospin asymmetric nuclear matter and properties of axisymmetric neutron stars
doi: 10.1103/PhysRevC.81.062801
2009DE17 Phys.Rev. C 79, 055208 (2009) P.Deb, A.Bhattacharyya, S.Datta, S.K.Ghosh Mesonic excitations of QGP: Study with an effective model
doi: 10.1103/PhysRevC.79.055208
2007BH08 Phys.Rev. C 76, 052801 (2007) A.Bhattacharyya, S.K.Ghosh, R.Mallick, S.Raha General relativistic effects on the conversion of nuclear to two-flavor quark matter in compact stars
doi: 10.1103/PhysRevC.76.052801
2007PA06 Phys.Rev. C 75, 014304 (2007) Density-functional theory for the pairing Hamiltonian
doi: 10.1103/PhysRevC.75.014304
2006BA82 Nucl.Phys. A774, 769 (2006) S.Banerjee, A.Bhattacharyya, S.K.Ghosh, E.-M.Ilgenfritz, S.Raha, B.Sinha, E.Takasugi, H.Toki Colour entangled orphan quarks and dark energy from cosmic QCD phase transition
doi: 10.1016/j.nuclphysa.2006.06.133
2006BH05 Phys.Rev.C 74, 065804 (2006) A.Bhattacharyya, S.K.Ghosh, P.S.Joarder, R.Mallick, S.Raha Conversion of a neutron star to a strange star: A two-step process
doi: 10.1103/PhysRevC.74.065804
2005BH01 Nucl.Phys. A747, 268 (2005) A.Bhattacharyya, R.J.Furnstahl The kinetic energy density in Kohn-Sham density functional theory
doi: 10.1016/j.nuclphysa.2004.10.008
2005BH03 Phys.Lett. B 607, 259 (2005) A.Bhattacharyya, R.J.Furnstahl Single-particle properties from Khon-Sham Green's Functions
doi: 10.1016/j.physletb.2004.12.056
2005BH07 Phys.Rev. C 71, 048801 (2005) A.Bhattacharyya, S.K.Ghosh, M.Hanauske, S.Raha Rotating twin stars and signature of quark-hadron phase transition
doi: 10.1103/PhysRevC.71.048801
2003BA30 Nucl.Phys. A715, 827c (2003) S.Banerjee, A.Bhattacharyya, S.K.Ghosh, S.Raha, B.Sinha, H.Toki Relics of Cosmic Quark-Hadron Phase Transition and Massive Compact Halo Objects
doi: 10.1016/S0375-9474(02)01508-7
2003BA96 Nucl.Phys. A721, 1028c (2003) S.Banerjee, A.Bhattacharyya, S.K.Ghosh, S.Raha, B.Sinha, H.Toki Some aspects of strangeness in astrophysics and cosmology
doi: 10.1016/S0375-9474(03)01277-6
2003PU04 Nucl.Phys. A723, 145 (2003) S.J.Puglia, A.Bhattacharyya, R.J.Furnstahl Density functional theory for a confined Fermi system with short-range interaction
doi: 10.1016/S0375-9474(03)01161-8
2002DE33 J.Phys.(London) G28, 2179 (2002) P.Dey, A.Bhattacharyya, D.Bandyopadhyay Bose-Einstein Condensation in Dense Nuclear Matter and Strong Magnetic Fields
doi: 10.1088/0954-3899/28/8/304
1999BH01 Phys.Rev. C60, 018202 (1999) A.Bhattacharyya, S.K.Ghosh, S.Raha ρ-Mass Modification in 3He: Signal of restoration of chiral symmetry or test for nuclear matter models ?
doi: 10.1103/PhysRevC.60.018202
1999BH02 Phys.Rev. C60, 044903 (1999) A.Bhattacharyya, S.K.Ghosh, S.C.Phatak Effect of In-Medium Meson Masses on Nuclear Matter Properties
doi: 10.1103/PhysRevC.60.044903
1999BH07 Nucl.Phys. A661, 629c (1999) A.Bhattacharyya, J.-e.Alam, S.Sarkar, P.Roy, B.Sinha, S.Raha, P.Bhattacharjee Cosmological QCD Phase Transition and Dark Matter
doi: 10.1016/S0375-9474(99)85104-5
1998BH06 Int.J.Mod.Phys. E7, 495 (1998) Model Study of Hot and Dense Baryonic Matter
doi: 10.1142/S0218301398000269
1997BH01 Phys.Rev. C55, 1463 (1997) A.Bhattacharyya, S.K.Ghosh, S.C.Phatak, S.Raha In-Medium Effects on the φ Meson
doi: 10.1103/PhysRevC.55.1463
1997BH03 Phys.Lett. 401B, 213 (1997) A.Bhattacharyya, S.K.Ghosh, S.C.Phatak, S.Raha Kaon Mass in Dense Matter
doi: 10.1016/S0370-2693(97)00311-0
1996BH01 Phys.Rev. C53, 522 (1996) Hadron Masses at Finite Density from the Zimanyi-Moskowski Model
doi: 10.1103/PhysRevC.53.522
1996BH05 Int.J.Mod.Phys. E5, 511 (1996) σ and ω, with Δ-Baryon, at High Temperature
doi: 10.1142/S0218301396000256
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