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NSR database version of May 24, 2024.

Search: Author = D.Mondal

Found 34 matches.

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2024DA02      Phys.Rev. C 109, 014322 (2024)

S.Das, S.Bhattacharyya, S.Bhattacharya, S.Chakraborty, S.Shukla, P.C.Srivastava, R.Banik, S.Nandi, G.Mukherjee, I.Bala, S.S.Bhattacharjee, S.Das Gupta, A.Dhal, D.Mondal, S.Muralithar, R.Raut, A.Sharma, R.P.Singh, V.Srivastava

High-spin level structure of 209Rn

doi: 10.1103/PhysRevC.109.014322
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2024DA06      Phys.Lett. B 851, 138565 (2024)

Sh. Dar, S.Bhattacharyya, S.Chakraborty, S.Jehangir, S.Bhattacharya, G.H.Bhat, J.A.Sheikh, N.Rather, S.S.Nayak, S.Das, S.Basu, G.Mukherjee, S.Nandi, R.Banik, S.Basak, C.Bhattacharya, S.Chattopadhyay, S.Das Gupta, A.Karmakar, S.S.Ghugre, D.Kumar, D.Mondal, S.Mukhopadhyay, D.Pandit, S.Rajbanshi, R.Raut

Coexistence of low-K oblate and high-K prolate g9/2 proton-hole bands in 115Sb

NUCLEAR REACTIONS 115In(α, 4n), E=52 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies and relative intensities, partial level scheme, positive parity sequence transitions, low-K decoupled band. Comparison with the frameworks of the projected shell model and the total Routhian surface calculations. The Indian National Gamma Array (INGA), the K-130 Cyclotron at Variable Energy Cyclotron Centre (VECC), Kolkata, India.

doi: 10.1016/j.physletb.2024.138565
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2023CH27      Phys.Rev. C 107, 064318 (2023)

S.Chakraborty, S.Bhattacharyya, R.Banik, S.Bhattacharya, G.Mukherjee, C.Bhattacharya, S.Biswas, S.Rajbanshi, S.Dar, S.Nandi, S.Ali, S.Chatterjee, S.Das, S.Das Gupta, S.S.Ghugre, A.Goswami, A.Lemasson, D.Mondal, S.Mukhopadhyay, A.Navin, H.Pai, S.Pal, D.Pandit, R.Raut, P.Ray, M.Rejmund, S.Samanta

Search for the origin of wobbling motion in the A ≈ 130 region: The case of 131Xe

NUCLEAR REACTIONS 130Te(α, 3nγ), E=38 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ). 131Xe; deduced levels, J, π, δ, mixing ratios, polarization asymmetries, γ-rays deexcitation from the oriented states (DCO) ratio, intruder νh11/2 band structure, rotational bands, yrast bands, signature splittings, high-spin states. Comparison to triaxial particle rotor model (TPRM) and triaxial projected shell model (TPSM) calculations. Systematics of the bands structure, signature splittings - 127Xe, 131Xe, 133Ba, 135Ce. No experimental signatures of the wobbling excitation were found in the study. Seven Compton-suppressed clover HPGe detectors of the Indian National Gamma Array (INGA) at K-130 cyclotron of the Variable Energy Cyclotron Centre (VECC, Kolkata).

doi: 10.1103/PhysRevC.107.064318
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2022DA05      Nucl.Phys. A1019, 122382 (2022)

S.Dar, S.Bhattacharya, S.Bhattacharyya, R.Banik, S.Nandi, G.Mukherjee, S.Rajbanshi, S.Das Gupta, S.Ali, S.Chakraborty, S.Chatterjee, S.Das, A.Dhal, S.S.Ghugre, A.Goswami, D.Mondal, S.Mukhopadhyay, H.Pai, S.Pal, D.Pandit, R.Raut, P.Ray, S.Samanta

Magnetic rotational band in 116Sb

NUCLEAR REACTIONS 115In(α, 3n), E=40 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies and intensities, J, π, level scheme, multipolarities, B(M1)/B(E2), yrast rotational bands. Comparison with Magnetic Rotation (MR) under the framework of Semi-Classical Model (SCM) and Shears mechanism with Principal Axis Cranking (SPAC) formalism.

doi: 10.1016/j.nuclphysa.2022.122382
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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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2022SH23      Phys.Lett. B 831, 137145 (2022)

R.Shil, K.Banerjee, P.Roy, J.Sadhukhan, T.K.Rana, G.Mukherjee, S.Kundu, T.K.Ghosh, S.Manna, A.Sen, R.Pandey, A.Chakraborty, D.Pandit, S.Mukhopadhyay, D.Mondal, D.Paul, C.Bhattacharya, S.Bhattacharya

Isospin dependence of nuclear level density at A ≈ 120 mass region

NUCLEAR REACTIONS 112,116,124Sn(α, n)115Te/119Te/127Te, E=26-44 MeV; measured reaction products, En, In; deduced neutron σ(θ, E), evaporation channels, σ(θ), nuclear level density. Comparison with the statistical model calculation including the isospin dependent and independent prescriptions of level density parameter.

doi: 10.1016/j.physletb.2022.137145
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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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2021MA77      Eur.Phys.J. A 57, 286 (2021)

S.Manna, T.K.Rana, C.Bhattacharya, S.Kundu, R.Pandey, K.Banerjee, P.Roy, A.Sen, T.K.Ghosh, G.Mukherjee, D.Mondal, M.M.Shaikh, J.K.Meena, P.Karmakar, D.Paul, K.Atreya, S.Basu, V.Srivastava, A.Chaudhuri, T.Roy, A.Asgar, A.Dey, A.Dhal, M.Sinha, J.K.Sahoo, A.K.Saha, R.M.Saha, S.Bhattacharya

Search for the Hoyle analogue state in 16O

NUCLEAR REACTIONS 16O, 12C(α, X), E=45 MeV; measured reaction products, Eα, Iα. 16O, 12C, 8Be; deduced σ, specific decay channels, lack of evidence for the Hoyle analogue state.

doi: 10.1140/epja/s10050-021-00592-8
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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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2021PA41      Phys.Lett. B 823, 136760 (2021)

D.Pandit, D.Mondal, T.K.Ghosh, S.Mukhopadhyay, S.Pal, A.Sen, A.K.Saha, V.N.Jha, S.Saha, C.Bhattacharya, A.K.Mohanty

Search for coherent bremsstrahlung from spontaneous fission at 555 meter deep underground laboratory

RADIOACTIVITY 252Cf(SF); measured decay products, Eγ, Iγ, γ-γ-coin.; deduced a new upper limit for γ-ray emission from the nucleus-nucleus coherent bremsstrahlung in 25-180 MeV energy region, which is two orders of magnitude lower than the previous value.

doi: 10.1016/j.physletb.2021.136760
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset33167.


2021RO07      Phys.Rev. C 103, 024602 (2021)

P.Roy, S.Mukhopadhyay, M.Aggarwal, D.Pandit, T.K.Rana, S.Kundu, T.K.Ghosh, K.Banerjee, G.Mukherjee, S.Manna, A.Sen, R.Pandey, D.Mondal, S.Pal, D.Paul, K.Atreya, C.Bhattacharya

Excitation energy and angular momentum dependence of the nuclear level density parameter around A ≈ 110

NUCLEAR REACTIONS 93Nb(16O, X), E=116, 142, 160 MeV; 93Nb(20Ne, X), E=145, 180 MeV; measured E(n), I(n), Eγ, Iγ, nγ-coin, n(θ), time-of-flight using eight liquid-scintillator-based neutron detectors, and 50-element BaF2 detector array for γ detection at the K130 cyclotron facility of VECC, Kolkata; deduced differential σ(E, θ), multiplicity of low-energy γ rays, excitation energy and temperature dependence of the inverse nuclear level density parameter, average angular momenta in the residual nuclei and inverse nuclear level density parameters. 104Ag, 107,108In, 111,112Sb; deduced nuclear density parameters, and compared with microscopic statistical-model calculations.

doi: 10.1103/PhysRevC.103.024602
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2021RO09      Eur.Phys.J. A 57, 48 (2021)

P.Roy, K.Banerjee, T.K.Rana, S.Kundu, D.Pandit, N.Quang Hung, T.K.Ghosh, S.Mukhopadhyay, D.Mondal, G.Mukherjee, S.Manna, A.Sen, S.Pal, R.Pandey, D.Paul, K.Atreya, C.Bhattacharya

Nuclear level density and thermal properties of 115Sn from neutron evaporation

NUCLEAR REACTIONS 115In(p, n), E=9, 12 MeV; measured reaction products, Eγ, Iγ, En, In; deduced σ(θ), neutron energy spectra, nuclear level density. Comparison with with the microscopic Hartree-Fock BCS (HFBCS), Hartree-Fock-Bogoliubov plus combinatorial (HFB+C), TALYS nuclear model code.

doi: 10.1140/epja/s10050-021-00373-3
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD6395.


2020BA20      Phys.Rev. C 101, 044306 (2020)

R.Banik, S.Bhattacharyya, S.Biswas, S.Bhattacharya, G.Mukherjee, S.Rajbanshi, S.Dar, S.Nandi, S.Ali, S.Chatterjee, S.Das, S.Das Gupta, S.S.Ghugre, A.Goswami, A.Lemasson, D.Mondal, S.Mukhopadhyay, H.Pai, S.Pal, D.Pandit, R.Raut, P.Ray, M.Rejmund, S.Samanta

Revealing multiple band structures in 131Xe from α-induced reactions

NUCLEAR REACTIONS 130Te(α, 3n), E=38 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO), γγ(linear polarization) using INGA array of seven Compton suppressed clover HPGe detectors at VECC, Kolkata facility. 131Xe; deduced levels, J, π, multipolarities, band structures, configurations, alignments, staggering parameter, triaxial shape; calculated total Routhian surfaces using Strutinski shell correction method. Systematics of low-lying level energies and staggering parameters in 125,127,129,131,133,135Xe, 133Ba, 135Ce.

doi: 10.1103/PhysRevC.101.044306
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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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2020RO22      Phys.Rev. C 102, 061601 (2020)

P.Roy, K.Banerjee, T.K.Rana, S.Kundu, S.Manna, A.Sen, D.Mondal, J.Sadhukhan, M.T.Senthil Kannan, T.K.Ghosh, S.Mukhopadhyay, D.Pandit, G.Mukherjee, S.Pal, D.Paul, K.Atreya, C.Bhattacharya

Evidence for the reduction of nuclear level density away from the β-stability line

NUCLEAR REACTIONS 115In(p, X)116Sn*, E=9, 12 MeV; 112Sn(α, X)116Te*, E=28 MeV; measured En, In, angular distribution of neutrons, prompt γ radiation, Eγ, Iγ, double-differential σ(E) using the time-of-flight (TOF) technique for neutrons, and a 50-element BaF2 detector array for γ rays at the K130 cyclotron facility of VECC-Kolkata; deduced reduction of nuclear level density away from the β-stability line. Comparison with Hauser-Feshbach theoretical predictions using TALYS code with nuclear level density parameters from Gilbert-Cameron (GC), backshifted Fermi gas (BSFG), and generalized superfluid model (GSM). Prediction of level-density parameter compared with microscopic shell-model calculation with Woods-Saxon mean field.

doi: 10.1103/PhysRevC.102.061601
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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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2018BH06      Phys.Rev. C 98, 044311 (2018)

S.Bhattacharya, S.Bhattacharyya, R.Banik, S.Das Gupta, G.Mukherjee, A.Dhal, S.S.Alam, Md.A.Asgar, T.Roy, A.Saha, S.Nandi, T.Bhattacharjee, A.Choudhury, D.Mondal, S.Mukhopadhyay, P.Mukhopadhyay, S.Pal, D.Pandit, I.Shaik, S.R.Banerjee

Yrast and non-yrast spectroscopy of 199Tl using α-induced reactions

NUCLEAR REACTIONS 197Au(α, 2n), E=30 MeV; measured Eγ, Iγ, γγ-coin, and γγ(θ)(DCO), and γγ(lin pol)(IPDCO) using VENUS array of HPGe detectors at VECC-Kolkata cyclotron facility. 199Tl; deduced high-spin levels, J, π, bands, multipolarities, alignment and staggering plots, and configurations; calculated total Routhian surface (TRS) contours in (β2, γ) plane. Systematics of band structures in 193,195,197,199,201Tl.

doi: 10.1103/PhysRevC.98.044311
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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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2017AL45      Nucl.Instrum.Methods Phys.Res. A874, 103 (2017)

S.S.Alam, T.Bhattacharjee, D.Banerjee, A.Saha, D.Pandit, D.Mondal, S.Mukhopadhyay, S.Pal, P.Bhaskar, S.K.Das, S.R.Banerjee

VECC array for Nuclear fast Timing and angUlar corRElation studies (VENTURE)

RADIOACTIVITY 132Te(β-) [ from 238U(α, F), E not given]; measured decay products, Eγ, Iγ; deduced γ-ray energies, angular correlations.

RADIOACTIVITY 60Ni, 106Pd, 133Cs(IT); measured decay products, Eγ, Iγ; deduced γ-ray energies, level T1/2. Comparison with a Monte Carlo simulation with GEANT3 package.

doi: 10.1016/j.nima.2017.08.037
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Data from this article have been entered in the XUNDL database. For more information, click here.


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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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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