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NSR database version of April 11, 2024.

Search: Author = B.Dey

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2024PH01      Phys.Lett. B 849, 138421 (2024)

L.T.Phuc, T.V.Dong, N.D.Dang, B.M.Hue, L.Th.Q.Huong, B.Dey, N.N.Anh, N.Q.Hung

Imprint of pairing correlation in (n, γ) and Maxwellian-averaged cross sections of an odd-odd 166Ho nucleus

NUCLEAR REACTIONS 165Ho(n, γ), E<10 MeV; calculated σ, the nuclear level density (NLD) and radiative strength function (RSF) by employing the exact thermal pairing (EP) solution in conjunction with both the temperature-dependent independent-particle model (EP+IPM) for the NLD and the phonon damping model (EP+PDM) for the RSF. Comparison with available data.

doi: 10.1016/j.physletb.2023.138421
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2023SA26      Phys.Rev. C 107, 064611 (2023)

R.Santra, B.Dey, S.Roy, R.Palit, Md.S.R.Laskar, H.Pai, S.Rajbanshi, S.Ali, S.Bhattacharjee, F.S.Babra, A.Mukherjee, S.Jadhav, B.S.Naidu, A.T.Vazhappilly, S.Pal

Collective enhancement in nuclear level density of 72Ga and 71Ga from γ-gated proton spectra

NUCLEAR REACTIONS 64Ni(9Be, np), (9Be, 2np), E=30 MeV; measured Ep, Ip, Eγ, Iγ, pγ-coin; deduced reaction yields proton yields from compound nuclei. 71,72Ga; deduced nuclear level density (NLD), rotational enhancement factor. Comparison to statistical model calculations. CsI(Tl) detector array (proton detection) combined with 14 Compton-suppressed Clover detectors (γ detection) at BARC-TIFR Pelletron Linac Facility (Mumbai).

doi: 10.1103/PhysRevC.107.064611
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2023SE11      J.Phys.(London) G50, 075104 (2023)

E.Senapati, S.Mondal, S.Bhattacharya, d.Pandit, N.Dinh Dang, N.N.Anh, L.T.Quynh Huong, R.Santra, N.Quang Hung, B.Dey

Pairing phase transition in an odd-even hot 69Zn nucleus

NUCLEAR STRUCTURE 69Zn; analyzed available data; deduced pairing phase transition in an odd–even hot-rotating nucleus using the reported nuclear level density (NLD) data, which were experimentally extracted from the γ-gated particle spectra.

doi: 10.1088/1361-6471/acd2f1
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2022MO21      Phys.Rev. C 105, 054602 (2022)

D.Mondal, S.Mukhopadhyay, D.Pandit, S.Pal, P.Roy, B.Dey, S.Bhattacharya, A.De, S.Bhattacharya, K.Banerjee, S.Kundu, S.Manna, T.K.Rana, R.Pandey, S.R.Banerjee, C.Bhattacharya

Production of high-energy γ rays in proton- and α-induced reactions

NUCLEAR REACTIONS 115In(p, γ), E=12; 112Sn(α, γ), E=28 MEV;;measured Eγ, Iγ; deduced high-energy γ-ray spectrum, giant dipole resonance structure . Comparison to statistical model calculations (TALYS-1.95). Large Area Modular BaF2 Detector Array (LAMBDA) at Variable Energy Cyclotron Centre (VECC), Kolkatta, India

doi: 10.1103/PhysRevC.105.054602
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2022MO29      Int.J.Mod.Phys. E31, 2250064 (2022)

S.Mondal, P.Das, E.Senapati, D.Pandit, B.Dey, A.De, S.Bhattacharya

Analysis of cross-section, S-factor and thermonuclear reaction rate of 8Li(α, n)11B and 14N(p, γ)15O using TALYS and EMPIRE nuclear reaction codes

NUCLEAR REACTIONS 8Li(α, n), E(cm)<4.5 MeV; 14N(p, γ), E(cm)<1 MeV; analyzed available data; calculated σ, S-factors using TALYS and EMPIRE codes.

doi: 10.1142/S0218301322500641
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2022SA08      Int.J.Mod.Phys. E31, 2250003 (2022)

R.Santra, V.G.Vamaravalli, A.Roy, B.Dey, S.Roy

Evolution of the shape of fission fragment energy spectrum with absorber thickness in two different media and effective charge correction

RADIOACTIVITY 252Cf(SF); measured decay products; deduced energy spectrum of fission fragments, stopping power data with Mylar and Al foils, parameters from semi-empirical fits.

doi: 10.1142/S0218301322500033
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2021BH01      Phys.Rev. C 103, 014305 (2021)

S.Bhattacharya, D.Pandit, B.Dey, D.Mondal, S.Mukhopadhyay, S.Pal, A.De, S.R.Banerjee

Effect of high angular momentum on η/s of nuclear matter

NUCLEAR STRUCTURE 59Cu, 109,110Sn, 113Sb, 144Sm, 152Gd, 176W, 194Hg; calculated nuclear matter viscosity using experimental data available in literature for widths and temperatures of high angular momenta for giant dipole resonances (GDR) using critical temperature fluctuation model (CTFM), and Fermi liquid drop model (FLDM). Compared results from the two theoretical methods.

doi: 10.1103/PhysRevC.103.014305
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2021MU08      Phys.Rev. C 104, L031304 (2021)

S.Mukhopadhyay, P.Roy, D.Mondal, D.Pandit, S.Pal, B.Dey, S.Bhattacharya, A.De, T.K.Rana, S.Kundu, J.Sadhukhan, C.Bhattacharya, S.R.Banerjee

No signature of the saturation of giant dipole resonance width in medium-mass nuclei

NUCLEAR REACTIONS 58Ni(16O, X)74Kr*, E=116, 140, 160 MeV; measured high-energy Eγ, Iγ, γγ-coin, E(n), I(n) using LAMBDA photon spectrometer with 49 large BaF2 detectors, a 50-element low energy γ-multiplicity filter array, and two liquid-scintillator-based neutron detectors at the K130 Cyclotron facility of VECC-Kolkata. 74Kr; deduced time-of-flight (TOF) spectra, angular momentum gated neutron spectra, energies and widths of giant-dipole resonances at the three incident energies. Comparison with statistical model CASCADE calculations, and other theoretical models. Systematics of GDR width with temperature for 74Kr, 76Kr, 88Mo, 86Mo, 92Mo and 100Mo.

doi: 10.1103/PhysRevC.104.L031304
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2021PA18      Phys.Lett. B 816, 136173 (2021)

D.Pandit, B.Dey, S.Bhattacharya, T.K.Rana, D.Mondal, S.Mukhopadhyay, S.Pal, A.De, P.Roy, K.Banerjee, S.Kundu, A.K.Sikdar, C.Bhattacharya, S.R.Banerjee

Puzzle of collective enhancement in the nuclear level density

NUCLEAR REACTIONS 165Ho, 181Ta, 197Au(α, X), E=28 MeV; measured reaction products, Eγ, Iγ. 169Tm, 185Re, 201Tl; deduced giant dipole resonance, neutron and proton yields, enhancement factors, collective rotational enhancement in the nuclear level densities.

doi: 10.1016/j.physletb.2021.136173
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2020DE30      Phys.Rev. C 102, 031301 (2020)

B.Dey, S.-S.Wang, D.Pandit, S.Bhattacharya, X.-G.Cao, W.-B.He, Y.-G.Ma, N.Quang Hung, N.Dinh Dang

Exotic nuclear shape due to cluster formation at high angular momentum

NUCLEAR REACTIONS 12C(16O, X)28Si*,12C(20Ne, X)32S*, E not given; calculated density distributions using extended quantum molecular dynamics (EQMD) model, considering 12C as a triangle, 16O as a square, and 20Ne as a pentagonal. 28Si, 32S; calculated neutron and proton pairing gaps as functions of temperature and angular momenta within the finite-temperature BCS (FTBCS) theory; analyzed experimental data for giant dipole resonance (GDR) strength functions for Eγ=5 to 30 MeV, and compared with EQMD calculations, and with TSFM calculations with and without shell corrections. Discussed effects of cluster shapes of 32S and 28Si in the GDR strength function at high angular momentum and temperature.

doi: 10.1103/PhysRevC.102.031301
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2020MO34      Phys.Rev. C 102, 051302(R) (2020)

D.Mondal, D.Pandit, S.Mukhopadhyay, S.Pal, P.Roy, V.Suman, B.Dey, S.Bhattacharya, A.De, C.Bhattacharya, S.R.Banerjee

Probing the Jacobi shape transition in hot and rotating 43Sc

NUCLEAR REACTIONS 27Al(16O, X)43Sc*, E=120, 142 MeV; measured Eγ, Iγ, E(n), I(n) from the decay of the giant dipole resonance (GDR) using LAMBDA array of 49 BaF2 scintillators, and a multiplicity filter of 50 small BaF2 scintillators for γ rays, and a liquid scintillator (BC501A)-based detector and time-of-flight method for neutrons at the K-130 cyclotron of VECC-Kolkata; deduced energy, width and inverse level-density parameters for the GDR, angular momentum for the Jacobi shape transition, deformation parameter. Comparison with theoretical calculations in the frameworks of rotating liquid drop model, and the adiabatic thermal shape fluctuation model.

doi: 10.1103/PhysRevC.102.051302
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2020SA22      Phys.Lett. B 806, 135487 (2020)

R.Santra, B.Dey, S.Roy, M.S.R.Laskar, R.Palit, H.Pai, S.Rajbanshi, S.Ali, S.Bhattacharjee, F.S.Babra, A.Mukherjee, S.Jadhav, B.S.Naidu, A.T.Vazhappilly, S.Pal

Nuclear level density of 69Zn from gamma gated particle spectrum and its implication on 68Zn(n, γ)69Zn capture cross section

NUCLEAR REACTIONS 64Zn(9Be, nα)68Zn, E=30 MeV; measured reaction products, Eα, Iα, Eγ, Iγ. 73Ge; deduced γ-ray energies, J, π, level scheme, yields, σ, nuclear level densities. Comparison with available data.

doi: 10.1016/j.physletb.2020.135487
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2020SH22      Phys.Rev. C 102, 024627 (2020)

M.M.Shaikh, S.Roy, A.Mukherjee, A.Goswami, B.Dey, S.Pal, S.Roy, A.Shrivastava, S.K.Pandit, K.Mahata

Barrier distribution for the weakly bound stable projectile 7Li with the medium-mass target nucleus 64Ni

NUCLEAR REACTIONS 64Ni(7Li, 7Li), (7Li, 7Li'), E=12-24 MeV; measured scattered 7Li particles, σ(E), total fusion (TF) σ(E) using Δ-E telescopes of silicon surface barrier detectors at the BARC-TIFR Pelletron-Linac Facility; deduced barrier distributions as function of incident energy. Comparison with coupled-channel (CC) calculation for fusion and the back-angle quasielastic excitation functions using the code CCQEL, and with experimental data for 64Ni(6Li, 6Li) reaction.

doi: 10.1103/PhysRevC.102.024627
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD6390.


2020SH34      Nucl.Instrum.Methods Phys.Res. A964, 163810 (2020)

S.Sharma, A.Gupta, B.Dey, M.Roy Chowdhury, A.Mandal, A.Bisoi, V.Nanal, L.C.Tribedi, M.S.Sarkar

Characterization of an electrically cooled BEGe detector till Eγ ∼ MeV

NUCLEAR REACTIONS 14N(p, γ), E=0.122-7 MeV; measured reaction products, Eγ, Iγ; deduced detector characterization. Comparison with GEANT4 simulation with 152Eu γ-ray intensities taken from ENSDF data library.

doi: 10.1016/j.nima.2020.163810
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2019DE04      Phys.Lett. B 789, 634 (2019)

B.Dey, N.Quang Hung, D.Pandit, S.Bhattacharya, N.Dinh Dang, L.T.Quynh Huong, D.Mondal, S.Mukhopadhyay, S.Pal, A.De, S.R.Banerjee

S-shaped heat capacity in an odd-odd deformed nucleus

NUCLEAR STRUCTURE 184Re, 200Tl, 211Po, 212At; calculated angular-momentum-gated thermodynamic quantities as functions of temperature gated nuclear level densities.

doi: 10.1016/j.physletb.2018.12.007
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2019PA13      Phys.Rev. C 99, 024315 (2019)

D.Pandit, S.Bhattacharya, D.Mondal, B.Dey, S.Mukhopadhyay, S.Pal, A.De, S.R.Banerjee

Role of fluctuations in a thermal phase transition in a nucleus probed via the giant dipole resonance

NUCLEAR REACTIONS 165Ho(α, X), E=32, 37, 42, 50 MeV; measured high-energy Eγ, Iγ, σ(E), angular anisotropy coefficients using the LAMBDA spectrometer at VECC, Kolkata. 169Tm; deduced GDR, linearized GDR strength functions and widths, β deformation parameters and compared with theoretical calculations, thermal phase transition; calculated contours of free energy surfaces. Systematics of β deformation parameters in 160,166Er, 169Tm. Discussed sharp phase transition from prolate to near spherical.

doi: 10.1103/PhysRevC.99.024315
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2019SA61      J.Phys.(London) G46, 055102 (2019); Corrigendum J.Phys.(London) G46, 109501 (2019)

A.Saha, T.Bhattacharjee, D.Curien, J.Dudek, I.Dedes, K.Mazurek, A.Gozdz, S.Tagami, Y.R.Shimizu, S.R.Banerjee, S.Rajbanshi, A.Bisoi, G.de Angelis, S.Bhattacharya, S.Bhattacharyya, S.Biswas, A.Chakraborty, S.Das Gupta, B.Dey, A.Goswami, D.Mondal, D.Pandit, R.Palit, T.Roy, R.P.Singh, M.S.Sarkar, S.Saha, J.Sethi

Spectroscopy of a tetrahedral doubly magic candidate nucleus 16070Yb90

NUCLEAR REACTIONS 148Sm(16O, 4n)160Yb, E=90 MeV; measured reaction products, Eγ, Iγ, γγ-coin, γγ(θ)(DCO), γγ(θ)(ADO) and γγ(linearpol) using INGA array of 20 Compton-suppressed HPGe clover detectors at TIFR pelletron facility. 160Yb; deduced high-spin levels, J, π, multipolarities, rotational bands, alignments, tetrahedral deformation. Systematics of g.s. and negative-parity bands in 152,154,156Gd.

doi: 10.1088/1361-6471/ab0573
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Data from this article have been entered in the XUNDL database. For more information, click here.


2018DE02      Phys.Rev. C 97, 014317 (2018)

B.Dey, C.Ghosh, D.Pandit, A.K.R.Kumar, S.Pal, V.Nanal, R.G.Pillay, P.Arumugam, S.De, G.Gupta, H.Krishnamoorthy, E.T.Mirgule, S.Pal, P.C.Rout

Study of the Jacobi shape transition in A ≈ 30 nuclei

NUCLEAR REACTIONS 12C(19F, X)28Si*, E=127 MeV; 12C(16O, X)31P*, E=125 MeV; measured fold-gated high-energy Eγ, Iγ using an array of seven closely-packed hexagonal BaF2 detectors, and a 14-element BGO multiplicity filter at Pelletron Linac Facility (PLF), Mumbai. 28Si, 31P; deduced average angular momentum, energy, width and strength of giant dipole resonances (GDR), Jacobi shape transition in 31P; calculated free energy surfaces. Comparison with thermal shape fluctuation model (TSFM).

doi: 10.1103/PhysRevC.97.014317
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2018MO22      Phys.Lett. B 784, 423 (2018)

D.Mondal, D.Pandit, S.Mukhopadhyay, S.Pal, S.Bhattacharya, A.De, N.Dinh Dang, N.Quang Hung, S.Bhattacharya, S.Bhattacharyya, B.Dey, P.Roy, K.Banerjee, S.R.Banerjee

Study of giant dipole resonance in hot rotating light mass nucleus 31P

NUCLEAR REACTIONS 27Al(α, X)31P, E=28, 35, 42 MeV; measured reaction products, Eγ, Iγ; deduced yields, σ, giant dipole resonance parameters, widths. Comparison with theoretical calculations.

doi: 10.1016/j.physletb.2018.07.052
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2018PA16      Phys.Rev. C 97, 041301 (2018)

D.Pandit, S.Bhattacharya, D.Mondal, P.Roy, K.Banerjee, S.Mukhopadhyay, S.Pal, A.De, B.Dey, S.R.Banerjee

Experimental signature of collective enhancement in nuclear level density

NUCLEAR REACTIONS 165Ho(α, X)169Tm*, E=28 MeV; measured Eγ, Iγ, from GDR, E(n) and I(n) from Tm nuclides, nγ-coin, nγ(θ) of 169Tm compound nucleus n-decay chain using LAMBDA spectrometer at the K-130 cyclotron facility of Variable Energy Cyclotron Centre (VECC), Kolkata. 169,168,167Tm; deduced enhanced nuclear level densities (NLD). Comparison with calculations using CASCADE code.

doi: 10.1103/PhysRevC.97.041301
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2018SA07      Phys.Scr. 93, 034001 (2018)

A.Saha, T.Bhattacharjee, D.Curien, I.Dedes, K.Mazurek, S.R.Banerjee, S.Rajbanshi, A.Bisoi, G.de Angelis, S.Bhattacharya, S.Bhattacharyya, S.Biswas, A.Chakraborty, S.Das Gupta, B.Dey, A.Goswami, D.Mondal, D.Pandit, R.Palit, T.Roy, R.P.Singh, M.S.Sarkar, S.Saha, J.Sethi

Excited negative parity bands in 160Yb

NUCLEAR REACTIONS 148Sm(16O, 4n)160Yb, E=90 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies, J, π, B(E2)/B(E1) ratios, non-yrast negative parity structures, bands. Comparison with energy calculation results obtained using the standard Woods-Saxon universal Hamiltonian.

doi: 10.1088/1402-4896/aaa1fa
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Data from this article have been entered in the XUNDL database. For more information, click here.


2018SI22      Phys.Rev. C 98, 024615 (2018)

A.K.Sikdar, A.Ray, D.Pandit, B.Dey, S.Bhattacharyya, S.Bhattacharya, A.Bisoi, A.De, S.Paul, S.Bhattacharya, A.Chatterjee

Slow fission of highly excited plutonium nuclei

NUCLEAR REACTIONS 238U(α, F), E=60 MeV; measured K x-rays, low-energy γ rays, (K x-ray)(fission fragments)-coin, (γ)(fission fragments)-coin, random coincidence spectra using a four-segmented high purity planar Ge low-energy photon spectrometer (LEPS) for x rays and γ rays, and a photovoltaic cell for fission fragment detection at VECC, Kolkata; deduced Pu Kα1 x-ray at 102.8 keV, plausible shift of plutonium K x-ray lines, fission time of the slow fission events >10-18 s. Comparison with atomic physics theoretical calculations.

doi: 10.1103/PhysRevC.98.024615
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2017DE34      Phys.Rev. C 96, 054326 (2017)

B.Dey, D.Pandit, S.Bhattacharya, N.Quang Hung, N.Dinh Dang, L.Tan Phuc, D.Mondal, S.Mukhopadhyay, S.Pal, A.De, S.R.Banerjee

Level density and thermodynamics in the hot rotating 96Tc nucleus

NUCLEAR REACTIONS 93Nb(α, n)96Tc, E=28 MeV; measured E(n), I(n), Eγ, Iγ, nγ-coin at VECC-Kolkata cyclotron facility; deduced fold and angular momentum distributions, neutron and proton pairing gaps as functions of temperature, angular momentum gated nuclear level density (NLD), excitation energy-dependent spin cutoff factor. Comparison with statistical model calculations, and different microscopic calculations such as exact pairing plus independent particle model at finite temperature (EP+IPM), Hartree-Fock plus BCS (HF+BCS), and Hartree-Fock-Bogoliubov plus combinatorial method (HFBC).

doi: 10.1103/PhysRevC.96.054326
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2017GH06      Phys.Rev. C 96, 014309 (2017)

C.Ghosh, A.K.R.Kumar, B.Dey, V.Nanal, R.G.Pillay, P.Arumugam, K.V.Anoop, N.Dokania, A.Garai, G.Gupta, E.T.Mirgule, G.Mishra, D.Mondal, S.Pal, M.S.Pose, P.C.Rout

Giant dipole resonance studies in Ba isotopes at E/A ≈ 5 MeV

NUCLEAR REACTIONS 112Sn(12C, X)124Ba*, E=64 MeV; 124Sn(12C, X)136Ba*, E=52 MeV/nucleon; measured Eγ, Iγ, γγ-coin, multiplicity, giant dipole resonance (GDR) strength functions at TIFR-Mumbai Pelletron Linac Facility. 124,136Ba; deduced GDR parameters of centroids, widths and nuclear deformation parameter β using simulated Monte Carlo statistical model analysis; calculated the free energy surfaces (FESs) at different temperatures and angular momenta. Comparison with thermal shape fluctuation model (TSFM) calculations.

doi: 10.1103/PhysRevC.96.014309
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2017MO15      Phys.Rev.Lett. 118, 192501 (2017)

D.Mondal, D.Pandit, S.Mukhopadhyay, S.Pal, B.Dey, S.Bhattacharya, A.De, S.Bhattacharya, S.Bhattacharyya, P.Roy, K.Banerjee, S.R.Banerjee

Experimental Determination of η/s for Finite Nuclear Matter

NUCLEAR REACTIONS 27Al(α, X)31P, E=28, 35, 42 MeV; 93Nb(α, X)97Tc, E=28, 35, 42 MeV; 115In(α, X)119Sb, E=28, 35, 42, 50 MeV; 197Au(α, X)201Tl, E=35, 42, 50 MeV; measured reaction products, Eγ, Iγ; deduced yields, giant dipole resonance (GDR) energies and widths, the ratio of shear viscosity to entropy density for the finite nuclear matter at different temperatures. Comparison with available data.

doi: 10.1103/PhysRevLett.118.192501
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2017PA03      Phys.Rev. C 95, 034301 (2017)

D.Pandit, D.Mondal, B.Dey, S.Bhattacharya, S.Mukhopadhyay, S.Pal, A.De, S.R.Banerjee

Signature of clustering in quantum many-body systems probed by the giant dipole resonance

NUCLEAR REACTIONS 28Si(α, γ), E=45 MeV; 12C(20Ne, γ), E=145 MeV; measured high-energy GDR Eγ, Iγ, γ(θ), yields using a part of LAMBDA spectrometer at VECC-Kolkata cyclotron facility. 32S; deduced GDR parameters, GDR strength functions, and compared with thermal shape fluctuation model (TSFM) calculations, cluster formation in superdeformed states of 32S. 31P; deduced Coulomb spreading width to estimate isospin mixing.

doi: 10.1103/PhysRevC.95.034301
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2016MO35      Phys.Lett. B 763, 422 (2016)

D.Mondal, D.Pandit, S.Mukhopadhyay, S.Pal, S.Bhattacharya, A.De, So.Bhattacharya, S.Bhattacharyya, B.Dey, P.Roy, K.Banerjee, S.R.Banerjee

Exclusive measurement of isospin mixing at high temperature in 32S

NUCLEAR REACTIONS 27Al(α, X)31P, E=35 MeV;28Si(α, X)32S, E=38 MeV; measured reaction products, Eγ, Iγ; deduced yields, σ, isospin mixing, Coulomb spreading width, nuclear level density parameter and angular momentum.

doi: 10.1016/j.physletb.2016.10.065
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2015DE10      Phys.Rev. C 91, 044326 (2015)

B.Dey, D.Pandit, S.Bhattacharya, K.Banerjee, N.Quang Hung, N.Dinh Dang, D.Mondal, S.Mukhopadhyay, S.Pal, A.De, S.R.Banerjee

Experimental investigation on the temperature dependence of the nuclear level density parameter

NUCLEAR REACTIONS 93Nb(α, X)97Tc*, E=28, 35, 42, 50 MeV; measured E(n), I(n), Eγ, Iγ, TOF at VECC, Kolkata facility; deduced angular momentum distributions, average temperature, average angular momentum, density parameter, temperature and angular momentum dependence of the inverse level density parameter. Comparison with theoretical calculations using CASCADE, FTBCS and FTBCS1 codes.

doi: 10.1103/PhysRevC.91.044326
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2014BH15      Phys.Rev. C 90, 054319 (2014)

S.Bhattacharya, D.Pandit, B.Dey, D.Mondal, S.Mukhopadhyay, S.Pal, A.De, S.R.Banerjee

Examination of level density prescriptions for the interpretation of high-energy γ-ray spectra

NUCLEAR REACTIONS 93Nb(α, X)97Tc*, E=28, 35, 42, 50 MeV; measured Eγ, Iγ using LAMBDA array at VECC K-130 cyclotron facility; 59Co(α, X)63Cu*, E=35 MeV; 93Nb(20Ne, X)113Sb*, E=145, 160 MeV; 197Au(α, X)201Tl*, E=42, 50 MeV; analyzed high-energy γ-ray yield data with CASCADE predictions using three different density models. 63Cu, 97Tc, 113Sb, 201Tl; deduced GDR strengths, widths, and centroid energies; tested correct statistical model description for high-energy γ-ray spectra.

doi: 10.1103/PhysRevC.90.054319
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2014DE07      Phys.Lett. B 731, 92 (2014)

B.Dey, D.Mondal, D.Pandit, S.Mukhopadhyay, S. Pal, S.Bhattacharya, A.De, K.Banerjee, N.Dinh Dang, N.Quang Hung, S.R.Banerjee

Probing the critical behavior in the evolution of GDR width at very low temperatures in A ∼ 100 mass region

NUCLEAR REACTIONS 93Nb(α, X)97Tc, E=28, 35, 42, 50 MeV; measured reaction products, Eγ, Iγ, En, In; deduced yields, giant dipole resonance (GDR) width as a function of temperature. Comparison with microscopic and phenomenological models.

doi: 10.1016/j.physletb.2014.02.007
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2014DE12      Phys.Rev. C 89, 055208 (2014)

B.Dey, for the CLAS Collaboration

Data analysis techniques, differential cross sections, and spin density matrix elements for the reaction γp → φp

doi: 10.1103/PhysRevC.89.055208
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2013PA12      Phys.Rev. C 87, 044325 (2013)

D.Pandit, B.Dey, D.Mondal, S.Mukhopadhyay, S.Pal, S.Bhattacharya, A.De, S.R.Banerjee

Giant dipole resonance width as a probe for nuclear deformation at finite excitation

NUCLEAR STRUCTURE 59,63Cu, 110,120Sn, 113,119Sb, 152Gd, 176W, 201Tl, 208Pb; analyzed average deformation β parameter as a function of width of giant dipole resonance (GDR), temperature and spin. GDR-induced quadrupole moment. Comparison with thermal shape fluctuation model (TSFM) calculations.

doi: 10.1103/PhysRevC.87.044325
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2013PA39      Phys.Rev. C 88, 054327 (2013)

D.Pandit, S.Bhattacharya, B.Dey, D.Mondal, S.Mukhopadhyay, S.Pal, A.De, S.R.Banerjee

Giant dipole resonance width and the universality of a fluctuation model including critical temperature

NUCLEAR REACTIONS 116Cd(28Si, X)144Sm*, E=125, 140 MeV; 124Sn(28Si, X)152Gd*, E=149, 185 MeV; analyzed energy and width of GDR as a function of angular momentum and temperature using phenomenological formula based on critical-temperature-included fluctuation model (CTFM) and thermal shape fluctuation model (pTSFM). Comparison with experimental data.

doi: 10.1103/PhysRevC.88.054327
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2012AN16      Phys.Rev. C 86, 069801 (2012)

M.Anghinolfi, J.Ball, N.A.Baltzell, M.Battaglieri, I.Bedlinskiy, M.Bellis, A.S.Biselli, C.Bookwalter, S.Boiarinov, P.Bosted, V.D.Burkert, D.S.Carman, A.Celentano, S.Chandavar, P.L.Cole, V.Crede, R.De Vita, E.De Sanctis, B.Dey, R.Dickson, D.Doughty, M.Dugger, R.Dupre, H.Egiyan, A.El Alaoui, L.El Fassi, L.Elouadrhiri, P.Eugenio, G.Fedotov, M.Y.Gabrielyan, M.Garcon, G.P.Gilfoyle, K.L.Giovanetti, F.X.Girod, J.T.Goetz, E.Golovatch, M.Guidal, L.Guo, K.Hafidi, H.Hakobyan, D.Heddle, K.Hicks, M.Holtrop, D.G.Ireland, B.S.Ishkhanov, E.L.Isupov, H.S.Jo, P.Khetarpal, A.Kim, W.Kim, V.Kubarovsky, S.V.Kuleshov, H.Y.Lu, I.J.D.MacGregor, N.Markov, M.E.McCracken, B.McKinnon, M.D.Mestayer, C.A.Meyer, M.Mirazita, V.Mokeev, K.Moriya, B.Morrison, A.Ni, S.Niccolai, G.Niculescu, I.Niculescu, M.Osipenko, A.I.Ostrovidov, K.Park, S.Park, S.Anefalos Pereira, S.Pisano, O.Pogorelko, S.Pozdniakov, J.W.Price, G.Ricco, M.Ripani, B.G.Ritchie, P.Rossi, D.Schott, R.A.Schumacher, E.Seder, Y.G.Sharabian, E.S.Smith, D.I.Sober, S.S.Stepanyan, P.Stoler, W.Tang, M.Ungaro, B.Vernarsky, M.F.Vineyard, D.P.Weygand, M.H.Wood, N.Zachariou, B.Zhao

Comment on "Observation of a narrow structure in 1H(γ, K0s)X $via interference with φ-meson production"

doi: 10.1103/PhysRevC.86.069801
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2011DE16      Phys.Rev. C 83, 055208 (2011)

B.Dey, M.E.McCracken, D.G.Ireland, C.A.Meyer

Polarization observables in the longitudinal basis for pseudo-scalar meson photoproduction using a density matrix approach

doi: 10.1103/PhysRevC.83.055208
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2010DE28      Phys.Rev. C 82, 025202 (2010)

B.Dey, for the CLAS Collaboration

Differential cross sections and recoil polarizations for the reaction γp → K+Σ0

doi: 10.1103/PhysRevC.82.025202
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1991DE03      Nuovo Cim. 104A, 139 (1991)

B.Dey, C.S.Shastry

Closed-Formalism Approach to Antiproton-Nucleus Scattering

NUCLEAR REACTIONS 12C(p-bar, p-bar), E=46.8, 180 MeV; 208Pb, 40Ca(p-bar, p-bar), E=46.8 MeV; analyzed σ(θ). Parametrized S-matrix approach.

doi: 10.1007/BF02910871
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1988DE40      Pramana 31, 173 (1988)

B.Dey, C.S.Shastry, T.K.Roy

Semi-Classical Approach to Antiproton-Nucleus Scattering

NUCLEAR REACTIONS 58Ni(18O, 18O), E=60 MeV; 12C, 40Ca(p-bar, p-bar), E=46.8 MeV; calculated effective potential parameters, σ(θ).

doi: 10.1007/BF02848804
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