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NSR database version of May 10, 2024.

Search: Author = D.Pandit

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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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2024RO02      Appl.Radiat.Isot. 204, 111140 (2024)

A.S.Roy, K.Banerjee, P.Roy, R.Shil, R.Ravishankar, R.Datta, A.Sen, S.Manna, T.K.Ghosh, G.Mukherjee, T.K.Rana, S.Kundu, S.S.Nayak, R.Pandey, D.Paul, K.Atreya, S.Basu, S.Mukhopadhyay, D.Pandit, M.S.Kulkarni, C.Bhattacharya

Measurement of energy and directional distribution of neutron ambient dose equivalent for the 7Li(p, n)7Be reaction

NUCLEAR REACTIONS 7Li(p, n), E=7.9, 12 MeV; measured reaction products, En, In, TOF; deduced neutron fluence distributions, neutron ambient dose equivalents using the measured fluence distribution using ICRP (International Commission on Radiological Protection) recommended fluence to dose equivalent conversion coefficients.

doi: 10.1016/j.apradiso.2023.111140
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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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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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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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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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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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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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Data from this article have been entered in the XUNDL database. For more information, click here.


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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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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2020SA28      Eur.Phys.J. A 56, 189 (2020)

A.Saha, T.Bhattacharjee, D.Banerjee, D.Pandit, P.Das, S.Bhattacharya, R.Guin, S.K.Das, S.R.Banerjee

β-Decay endpoint energy measurement in 150Pm → 150Sm using β - γ coincidence

doi: 10.1140/epja/s10050-020-00194-w
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Data from this article have been entered in the XUNDL database. For more information, click here.


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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2019NA08      Phys.Rev. C 99, 054312 (2019)

S.Nandi, G.Mukherjee, T.Roy, R.Banik, A.Dhal, S.Bhattacharya, S.Bhattacharyya, C.Bhattacharya, Md.A.Asgar, H.Pai, S.Rajbanshi, P.Roy, T.K.Ghosh, K.Banerjee, T.K.Rana, S.Kundu, S.Manna, R.Pandey, A.Sen, S.Pal, S.Mukhopadhyay, D.Pandit, D.Mandal, S.R.Banerjee

Effect of neutron alignments on the structure of 197Tl

NUCLEAR REACTIONS 197Au(α, 4n), E=50 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO), and γγ(polarization asymmetry) using the VENUS array for γ detection at VECC facility in Kolkata. 197Tl; deduced high-spin levels, J, π, multipolarities, B(M1)/B(E2), magnetic-dipole rotational bands, no evidence of chiral doublet bands, alignments, Routhians, and configurations; calculated total Routhian surfaces. Systematics of aligned angular momenta in 193,195,197,199Tl, 194,196Hg.

doi: 10.1103/PhysRevC.99.054312
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Data from this article have been entered in the XUNDL database. For more information, click here.


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.


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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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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2018SA22      Nucl.Phys. A976, 1 (2018)

A.Saha, T.Bhattacharjee, S.S.Alam, D.Banerjee, M.S.Sarkar, S.Sarkar, J.B.Gupta, P.Das, S.Bhattacharya, D.Pandit, R.Guin, S.K.Das, S.R.Banerjee

Spectroscopy of low lying states in 150Sm

NUCLEAR REACTIONS 150Nd(p, n)150Sm, E=8.0 MeV; measured Eγ, Iγ, γγ-coin using VENUS array of six Compton-suppressed Clover HPGe. 150Sm deduced γ transitions, levels, J, π, spin and parity using NNDC logft calculator and angular correlations; estimated possible M2 admixture, B(E1).

doi: 10.1016/j.nuclphysa.2018.05.005
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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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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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2017BA35      Phys.Lett. B 772, 105 (2017)

K.Banerjee, P.Roy, D.Pandit, J.Sadhukhan, S.Bhattacharya, C.Bhattacharya, G.Mukherjee, T.K.Ghosh, S.Kundu, A.Sen, T.K.Rana, S.Manna, R.Pandey, T.Roy, A.Dhal, Md.A.Asgar, S.Mukhopadhyay

Direct evidence of fadeout of collective enhancement in nuclear level density

NUCLEAR REACTIONS 169Tm, 181Ta, 197Au(α, X), E=26, 30, 35, 40 MeV; measured reaction products. 173Lu, 185Re, 201Tl; deduced the phenomenon of collective enhancement in nuclear level density and its fadeout using neutron evaporation study. Comparison with calculations based on finite temperature density functional theory.

doi: 10.1016/j.physletb.2017.06.033
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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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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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2016RO31      Phys.Rev. C 94, 064607 (2016)

P.Roy, K.Banerjee, C.Bhattacharya, R.Pandey, A.Sen, S.Manna, S.Kundu, T.K.Rana, T.K.Ghosh, G.Mukherjee, T.Roy, A.Dhal, A.Dey, J.K.Meena, A.K.Saha, D.Pandit, S.Mukhopadhyay, S.Bhattacharya

Excitation energy dependence of the level density parameter close to the doubly magic 208Pb

NUCLEAR REACTIONS 208Pb, 209Bi(α, n), E=28, 31, 35, 40, 60 MeV; measured E(n), I(n), σ(θ, E), time-of-flight at Variable Energy Cyclotron Centre (VECC); deduced shell-damping parameter, inverse level density parameters and temperatures. Comparison with the Thomas-Fermi model predictions.

doi: 10.1103/PhysRevC.94.064607
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2015BA10      Phys.Rev. C 91, 024617 (2015)

D.Banerjee, A.Saha, T.Bhattacharjee, R.Guin, S.K.Das, P.Das, D.Pandit, A.Mukherjee, A.Chowdhury, S.Bhattacharya, S.Das Gupta, S.Bhattacharyya, P.Mukhopadhyay, S.R.Banerjee

Role of p-induced population of medium-mass (A∼150) neutron-rich nuclei

NUCLEAR REACTIONS 150Nd(p, n), (p, 2n), (p, p'n), (p, d), E=7-15 MeV; measured Eγ, Iγ, σ(E), half-lives by activation method using K=130 AVF cyclotron at VECC facility. Comparison with previous experimental results, and with model calculations using CASCADE, ALICE, and EMPIRE3.1 computer codes.

RADIOACTIVITY 149Nd, 149,150Pm(β-); measured Eγ, Iγ, ground state half-lives of 149Nd, 149,150Pm.

doi: 10.1103/PhysRevC.91.024617
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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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2015GO03      Phys.Rev. C 91, 014609 (2015)

M.Gohil, P.Roy, K.Banerjee, C.Bhattacharya, S.Kundu, T.K.Rana, T.K.Ghosh, G.Mukherjee, R.Pandey, H.Pai, V.Srivastava, J.K.Meena, S.R.Banerjee, S.Mukhopadhyay, D.Pandit, S.Pal, S.Bhattacharya

Angular momentum dependence of the nuclear level density in the A ≈ 170 - 200 region

NUCLEAR REACTIONS 165Ho(α, X)169Tm*, 181Ta(α, X)185Re*, 197Au(α, X)201Tl*, E=28, 40 MeV; measured E(n), I(n), nγ-coin, n(θ), double differential σ(E) using TOF technique at VECC-Kolkata facility; analyzed γ-ray-fold-gated neutron using the statistical model code CASCADE; deduced variation of the inverse level density parameter with average angular momentum. 58Ni, 93Nb, 115In(α, X), E=30, 40 MeV; analyzed variation of the inverse level density parameter with average angular momentum using previous experimental data.

doi: 10.1103/PhysRevC.91.014609
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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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2014BH17      Nucl.Instrum.Methods Phys.Res. A767, 19 (2014)

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

Measurement of β-decay end point energy with planar HPGe detector

RADIOACTIVITY 106Rh(β-); measured Eβ, Iβ, βγ-coin; deduced β end-point energies using planar HPGe detectors.

doi: 10.1016/j.nima.2014.08.008
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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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2013PA42      Phys.Rev. C 88, 064302 (2013)

H.Pai, G.Mukherjee, S.Bhattacharya, C.Bhattacharya, S.Bhattacharyya, T.Bhattacharjee, S.Chanda, S.Rajbanshi, A.Goswami, M.R.Gohil, S.Kundu, T.K.Ghosh, K.Banerjee, T.K.Rana, R.Pandey, G.K.Prajapati, S.R.Banerjee, S.Mukhopadhyay, D.Pandit, S.Pal, J.K.Meena, P.Mukhopadhyay, A.Choudhury

Band structures and intruder π12/2 state in 197Tl

NUCLEAR REACTIONS 197Au(α, 4n)197Tl, E=48 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO), γγ(linear polarization) at VECC, Kolkata 197Tl; deduced high-spin levels, J, π, multipolarity, bands, alignments; calculated Total Routhian surface (TRS) contour in (β2, γ) plane. Evidence for a possible intruder πi13/2 state. Systematics of band alignments in 193,195,197Tl.

doi: 10.1103/PhysRevC.88.064302
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2013RO24      Phys.Rev. C 88, 031601 (2013)

P.Roy, K.Banerjee, M.Gohil, C.Bhattacharya, S.Kundu, T.K.Rana, T.K.Ghosh, G.Mukherjee, R.Pandey, H.Pai, V.Srivastava, J.K.Meena, S.R.Banerjee, S.Mukhopadhyay, D.Pandit, S.Pal, S.Bhattacharya

Effect of collectivity on the nuclear level density

NUCLEAR REACTIONS 165Ho(α, xn)169Tm*, E=28, 40 MeV; 181Ta(α, xn)185Re*, E=30, 40 MeV; 197Au(α, xn)201Tl, E=28, 40 MeV; measured back-angle neutron evaporation spectra (mainly 2n- and 3n-channel) from compound nuclei, double-differential σ(E); deduced inverse level density parameter, dependence of this parameter on deformation of compound nucleus, signature of collectivity. Comparison of measured σ(E) with statistical model calculation using GEMINI++ computer code.

doi: 10.1103/PhysRevC.88.031601
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2013ZI01      Acta Phys.Pol. B44, 651 (2013)

M.Zieblinski, M.Jastrzab, N.Dokania, V.Nanal, S.Brambilla, P.Bednarczyk, M.Ciemala, E.Dutkiewicz, M.Kmiecik, M.Krzysiek, J.Lekki, A.Maj, Z.Szklarz, B.Wasilewska, M.Dudelo, K.Hadynska-Klek, P.Napiorkowski, B.Genolini, Ch.Schmitt, W.Catford, M.Nakhostin, N.Yavuzkanat, O.Dorvaux, R.G.Pillay, M.S.Pose, S.Mishra, S.Mathimalar, V.Singh, N.Katyan, D.R.Chakrabarty, V.M.Datar, S.Kumar, G.Mishra, S.Mukhopadhyay, D.Pandit, S.Erturk

Testing of the PARIS LaBr3-NaI Phoswich Detector with High Energy Gamma-rays

doi: 10.5506/APhysPolB.44.651
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2012BA26      Phys.Rev. C 85, 064310 (2012)

K.Banerjee, S.Bhattacharya, C.Bhattacharya, M.Gohil, S.Kundu, T.K.Rana, G.Mukherjee, R.Pandey, P.Roy, H.Pai, A.Dey, T.K.Ghosh, J.K.Meena, S.Mukhopadhyay, D.Pandit, S.Pal, S.R.Banerjee

Variation of nuclear level density with angular momentum

NUCLEAR REACTIONS 115In(α, X)119Sb*, E=30, 42 MeV; measured Eγ, E(n), nγ-coin, γ-ray fold distribution, angular distribution of neutrons, average angular momentum, inverse level-density parameter, temperature, time of flight. Comparison with statistical model calculations.

doi: 10.1103/PhysRevC.85.064310
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2012CH17      Phys.Rev. C 85, 044619 (2012)

D.R.Chakrabarty, V.M.Datar, Suresh Kumar, G.Mishra, E.T.Mirgule, A.Mitra, P.C.Rout, V.Nanal, D.Pandit, S.Mukhopadhyay, S.Bhattacharya

Exclusive giant dipole resonance measurement on the Jacobi transition in the 19F+27Al system

NUCLEAR REACTIONS 27Al(19F, X), E=74.7, 125 MeV; measured Eγ, Iγ, γγ-coin, fusion evaporation residue spectra, time of flight, fold distribution, evaporation residue-gated (ER-gated) spectra; deduced yields, compound nuclear spin distribution, average photon absorption cross section. Jacobi shape transition. Statistical model analysis.

doi: 10.1103/PhysRevC.85.044619
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2012DE22      Phys.Scr. T150, 014011 (2012)

A.Dey, S.Kundu, T.K.Rana, K.Banerjee, C.Bhattacharya, M.Biswas, T.K.Ghosh, H.Pai, G.Mukherjee, J.K.Meena, D.Gupta, S.Bhattacharya, S.Mukhopadhyay, D.Pandit, S.R.Banerjee, S.Kumar, A.Chatterjee, K.Ramachandran, K.Mahata, S.Santra, S.Pandit

Study of the 1p transfer channel in the 12C + 27Al reaction at 6-7 MeV per nucleon

NUCLEAR REACTIONS 27Al(12C, 11B)28Si, E=73, 81, 85 MeV; measured reaction products. 28Si; deduced σ, σ(θ), spectroscopic factors for different excited states. ECIS94 and distorted-wave Born approximation, comparison with available data.

doi: 10.1088/0031-8949/2012/T150/014011
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2012KU19      Phys.Rev. C 85, 064607 (2012)

S.Kundu, C.Bhattacharya, K.Banerjee, T.K.Rana, S.Bhattacharya, A.Dey, T.K.Ghosh, G.Mukherjee, J.K.Meena, P.Mali, S.Mukhopadhyay, D.Pandit, H.Pai, S.R.Banerjee, D.Gupta, P.Banerjee, Suresh Kumar, A.Shrivastava, A.Chatterjee, K.Ramachandran, K.Mahata, S.K.Pandit, S.Santra

Complex-fragment emission in low-energy light-ion reactions

NUCLEAR REACTIONS 28Si(12C, X), E=77 MeV; 28Si(11B, X), E=64 MeV; 27Al(12C, X), E=73 MeV; measured particle spectra for Z=3-5 fragments, fragment σ(E, θ, Z), total fusion-fission fragment and deep inelastic fragment cross sections, angular distribution of deep inelastic fragments; deduced average Q values, angular momentum dissipation factor with fragment. Comparison with theoretical predictions from statistical model.

doi: 10.1103/PhysRevC.85.064607
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2012MU03      Phys.Lett. B 709, 9 (2012)

S.Mukhopadhyay, D.Pandit, S.Pal, S.Bhattacharya, A.De, S.Bhattacharya, C.Bhattacharya, K.Banerjee, S.Kundu, T.K.Rana, G.Mukherjee, R.Pandey, M.Gohil, H.Pai, J.K.Meena, S.R.Banerjee

Measurement of giant dipole resonance width at low temperature: A new experimental perspective

NUCLEAR REACTIONS 115In(α, X)119Sb, E=30, 35, 42 MeV; measured reaction products, Eγ, Iγ, En, In; deduced yields, Giant Dipole Resonance width and bremsstrahlung parameters. Comparison with predictions of thermal shape fluctuation model.

doi: 10.1016/j.physletb.2012.01.059
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2012RO35      Phys.Rev. C 86, 044622 (2012)

P.Roy, K.Banerjee, S.Bhattacharya, C.Bhattacharya, S.Kundu, T.K.Rana, T.K.Ghosh, G.Mukherjee, R.Pandey, J.K.Meena, M.Gohil, H.Pai, V.Srivastava, A.Dey, D.Pandit, S.Mukhopadhyay, S.Pal, S.R.Banerjee

Angular-momentum-gated light-particle evaporation spectra from 97Tc* and 62Zn* systems

NUCLEAR REACTIONS 58Ni, 93Nb(α, X), E=35 MeV; measured neutron, proton and α spectra, particle-γ coin, energy loss, time of flight, fold distribution, angular momentum distribution, differential σ at VECC facility; deduced average angular momentum, level density. Comparison with statistical model calculations.

doi: 10.1103/PhysRevC.86.044622
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2010PA15      Phys.Lett. B 690, 473 (2010)

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

Coherent bremsstrahlung and GDR width from 252Cf cold fission

RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-coin.; deduced photon yields, energy spectrum, the width of the giant dipole resonance (GDR). Comparison with thermal shape fluctuation model (TSFM).

doi: 10.1016/j.physletb.2010.05.079
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2010PA18      Phys.Rev. C 81, 061302 (2010)

D.Pandit, S.Mukhopadhyay, S.Bhattacharya, S.Pal, A.De, S.Bhattacharya, C.Bhattacharya, K.Banerjee, S.Kundu, T.K.Rana, A.Dey, G.Mukherjee, T.Ghosh, D.Gupta, S.R.Banerjee

Extreme nuclear shapes examined via giant dipole resonance lineshapes in hot light-mass systems

NUCLEAR REACTIONS 12C(20Ne, X), E=145, 160 MeV; 27Al(20Ne, X), E=160 MeV; measured Eγ, Iγ, γγ-coin. 32S, 47V; deduced highest spin and high energy excitations from the shapes of giant dipole resonances (GDR), strength functions and parameters using rotating liquid drop model (RLDM) and thermal shape fluctuation model (TSFM). Calculated liquid drop model free energy surfaces, and equilibrium shapes as a function of quadrupole deformation parameters and spin. Possible connection to molecular structure of 16O+16O in the 32S superdeformed band.

doi: 10.1103/PhysRevC.81.061302
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2008BH02      Phys.Rev. C 77, 024318 (2008)

S.Bhattacharya, S.Mukhopadhyay, D.Pandit, S.Pal, A.De, S.Bhattacharya, C.Bhattacharya, K.Banerjee, S.Kundu, T.K.Rana, A.Dey, G.Mukherjee, T.Ghosh, D.Gupta, S.R.Banerjee

Giant dipole resonance width in nuclei near Sn at low temperature and high angular momentum

NUCLEAR REACTIONS 93Nb(20Ne, X), E=145, 160 MeV; measured Eγ, Iγ, neutron-spectra, fusion cross sections. 113Sb; deduced giant dipole resonance parameters, J.

doi: 10.1103/PhysRevC.77.024318
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2008BH11      Phys.Rev. C 78, 064601 (2008)

S.Bhattacharya, D.Pandit, S.Mukhopadhyay, S.Pal, S.R.Banerjee

Scaling of the giant dipole resonance widths in hot rotating nuclei from the ground state values

NUCLEAR STRUCTURE 45Sc, 59Cu, 86,100Mo, 109,110,120Sn, 113Sb, 132Ce, 147Eu, 154Dy, 176W, 194Hg; analyzed giant dipole resonance widths, J. Comparison with thermal shape fluctuation model.

doi: 10.1103/PhysRevC.78.064601
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2008RA20      Phys.Rev. C 78, 027602 (2008)

T.K.Rana, C.Bhattacharya, S.Kundu, K.Banerjee, S.Bhattacharya, A.Dey, T.K.Ghosh, G.Mukherjee, J.K.Meena, D.Gupta, S.Mukhopadhyay, D.Pandit, S.R.Banerjee, A.Roy, P.Dhara

Consistency of nuclear thermometric measurements at moderate excitation

NUCLEAR REACTIONS 12C(20Ne, X), E=145 MeV; measured Ep, IP, Eα, Iα, Ed, Id, σ(θ), dα-, αα-correlations; deduced nuclear temperatures from decay of the compound nucleus 32S.

doi: 10.1103/PhysRevC.78.027602
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