NSR Query Results


Output year order : Descending
Format : Normal

NSR database version of May 24, 2024.

Search: Author = J.B.Gupta

Found 83 matches.

Back to query form



2024GU01      Nucl.Phys. A1041, 122765 (2024)

J.B.Gupta, V.Katoch, S.Sharma

Novel features of nuclear spectra of light mass Os isotopes

NUCLEAR STRUCTURE 172,174,176,178,180,182,184Os; calculated energy levels, J, π, B(E2), bands using the collective rotation vibration model and the algebraic sd Interacting Boson Model IBM-1.

doi: 10.1016/j.nuclphysa.2023.122765
Citations: PlumX Metrics


2023GU06      Phys.Rev. C 107, 034315 (2023)

J.B.Gupta

Spectral features of vibrational Te isotopes

NUCLEAR STRUCTURE 118,120,122,124Te; calculated levels, J, π, B(E2), quadrupole moments. 120Te; calculated potential energy surface. 118,120,122,124,126,128,130Te; analyzed energies, ground state bands structure, B(E2), phonon triplet and quintiplet energy spectrum; deduced anharmonicity, shape phase transition. Calculations with interacting boson model (IBM-1) and dynamic pairing plus quadrupole (DPPQ) model. Comparison to experimental data.

doi: 10.1103/PhysRevC.107.034315
Citations: PlumX Metrics


2023GU10      Int.J.Mod.Phys. E32, 2350013 (2023)

J.B.Gupta, V.Katoch

New perspective of the role of the triaxiality parameter γ for γ-g B(E2)s

NUCLEAR STRUCTURE 96,98,100,102,104,106,108,110,112,114,116,118Ru, 122,124,126,128,130Ba, 176,178,180,182,184,186,188,190,192Os; calculated B(E2), triaxiality parameters using the triaxial model (or Davydov-Filippov model). Comparison with available data.

doi: 10.1142/S0218301323500131
Citations: PlumX Metrics


2023GU11      1037, 122699 (2023)

J.B.Gupta, V.Katoch

Special features of nuclear structure of 128-132Xe

NUCLEAR STRUCTURE 128,130,132Xe; calculated energy levels, J, π, energy ratio, B(E2); deduced special characteristics of the critical point E(5) symmetry.

doi: 10.1016/j.nuclphysa.2023.122699
Citations: PlumX Metrics


2022GU08      Phys.Rev. C 105, 064312 (2022)

J.B.Gupta, J.H.Hamilton

Analysis of the SU(3) symmetry versus rotor model

NUCLEAR STRUCTURE 154,156,158,160Gd; analyzed energies, B(E2), and electric quadrupole moments of the first 2+, 2+ members of the β and γ bands, and the first excited 0+ state from the IBM-1 and DPPQ model Hamiltonian parameters, and the experimental data by introducing pairing term to IBM-SU(3); deduced validity of the I(I+1) energy formula for ground band of Gd isotopes; discussed correspondence between SU(3) subgroup in interacting boson model (IBM), and Bohr-Mottelson rotor model for axially symmetric deformed nuclei, the importance of adding pairing term in IBM-SU(3), and the role of triaxiality. 152,160Dy, 154,162Gd, 156,164Dy; discussed softness parameter for the excited 0+ states.

doi: 10.1103/PhysRevC.105.064312
Citations: PlumX Metrics


2022GU18      Nucl.Phys. A1028, 122527 (2022)

J.B.Gupta, J.H.Hamilton

Novel features of nuclear structure of Z = 46 Pd isotopes

NUCLEAR STRUCTURE 100,102,104,106,108,110,112,114,116Pd; calculated energy levels, B(E2), Nilsson single particle orbits using the PHINT package for sd IBM-1. Comparison with available data.

doi: 10.1016/j.nuclphysa.2022.122527
Citations: PlumX Metrics


2022GU24      Int.J.Mod.Phys. E31, 2250089 (2022)

J.B.Gupta, V.Katoch

Vibrational anharmonicity in near closed shell isotopes

NUCLEAR STRUCTURE 102,104,106,108,110,112,114,116,118,120,122,124,126Cd, 106,108,110,112,114,116,118,120,122,124,126,128Te; analyzed available data; deduced energy levels, J, π, B(E2), anharmonicity, split of the degeneracy of the phonon triplet and quintuplet. The interacting boson model (IBM).

doi: 10.1142/S0218301322500896
Citations: PlumX Metrics


2021GU09      Int.J.Mod.Phys. E30, 2150015 (2021)

J.B.Gupta, V.Katoch

Grodzins relation for 4+1 and 6+1 states in A = 80, 100 and 130 region

NUCLEAR STRUCTURE 106,108,110,112,114,116Cd, 102,104,106,108,110Pd, 96,98,100,102,104,106,108,110Ru, 88Mo, 92,94,96,98,100,102,104,106Mo, 82,84,86Zr, 78,80,82,84,86Sr, 74,76,78,80,82,84Kr, 70,72,74,76,78,80Se, 66,68,70,72,74,76Ge, 66,68,70,72,74Zn; analyzed available data; deduced possibility of extension of the Grodzins rule to higher spins in the groundbands of even Z, even N nuclei.

doi: 10.1142/S0218301321500154
Citations: PlumX Metrics


2021GU10      Eur.Phys.J. A 57, 97 (2021)

J.B.Gupta, J.H.Hamilton

Spectral features of nuclear structure of 114-122Xe

NUCLEAR STRUCTURE 114,115,116,117,118,119,120,121,122,123,124,125,126,127,128,129,130,131,132Xe; analyzed available data; deduced systematics of J, π.

doi: 10.1140/epja/s10050-021-00409-8
Citations: PlumX Metrics


2021GU27      Phys.Rev. C 104, 054325 (2021)

J.B.Gupta, J.H.Hamilton

Nuclear structure of 126Xe

NUCLEAR STRUCTURE 126Xe; calculated positive-parity levels, J, B(E2) using microscopic theory of dynamic pairing plus quadrupole (DPPQ) model, and the interacting boson model (IBM-1); deduced validity of the O(6)-O(5) symmetry. Comparison with experimental data, and with predictions of O(6) limiting symmetry.

doi: 10.1103/PhysRevC.104.054325
Citations: PlumX Metrics


2021GU30      Int.J.Mod.Phys. E30, 2150096 (2021)

J.B.Gupta, V.Katoch

Problem of energy scale in rigid triaxial rotor model

NUCLEAR STRUCTURE 120Xe; analyzed available data; deduced corrections to the rigid triaxial rotor (RTR) approximation of Davydov and Filippov (DF) model.

doi: 10.1142/S0218301321500968
Citations: PlumX Metrics


2020GU01      Eur.Phys.J. A 56, 14 (2020)

J.B.Gupta, J.H.Hamilton

New perspective of the nuclear structure of 96Ru-114Ru isotopes

doi: 10.1140/epja/s10050-019-00015-9
Citations: PlumX Metrics


2020GU15      Int.J.Mod.Phys. E29, 2050037 (2020)

J.B.Gupta

Role of triaxiality parameter γ in deformed nuclei

NUCLEAR STRUCTURE Sm, Gd, Dy; calculated B(E2) values and ratios.

doi: 10.1142/S0218301320500378
Citations: PlumX Metrics


2020GU23      Int.J.Mod.Phys. E29, 2030008 (2020)

J.B.Gupta, J.H.Hamilton

Shape phase changes with N in 72-84Kr isotopes

NUCLEAR STRUCTURE 72,74,76,78,80,82,84Kr; analyzed available data; deduced energy levels, J, π, shape coexistence, large deformations, B(E2).

doi: 10.1142/S0218301320300088
Citations: PlumX Metrics


2019GU05      Nucl.Phys. A983, 20 (2019)

J.B.Gupta, J.H.Hamilton

Empirical study of the shape evolution and shape coexistence in Zn, Ge and Se isotopes

NUCLEAR STRUCTURE 60,62,64,66,68,70,72,74,76,78Zn, 64,66,68,70,72,74,76,78,80Ge, 64,66,68,70,72,74,76,78,80Se; analyzed energies of energies E(2+1) and of B(E2, 0+1 to 2+1) using experimental data and the power index formula by Gupta linear plot of B(E2) vs [1/E(2+1)] mainly for Z=30-34.

doi: 10.1016/j.nuclphysa.2018.12.009
Citations: PlumX Metrics


2019GU21      Nucl.Phys. A990, 162 (2019)

J.B.Gupta

The nature of Kπ = 0+2, 0+3 bands in 158Gd

doi: 10.1016/j.nuclphysa.2019.07.005
Citations: PlumX Metrics


2019GU22      Eur.Phys.J. A 55, 122 (2019)

J.B.Gupta

Global view of the rotational structure of the Kπ = 2+ γ-bands

doi: 10.1140/epja/i2019-12794-2
Citations: PlumX Metrics


2019GU24      Int.J.Mod.Phys. E28, 1950055 (2019)

J.B.Gupta, V.Katoch

Generalized grodzins relation for ground band

NUCLEAR STRUCTURE 154Sm, 154,156,158Gd, 156Dy; analyzed available data; deduced Grodzins rule.

doi: 10.1142/S0218301319500551
Citations: PlumX Metrics


2018GU03      Int.J.Mod.Phys. E27, 1850033 (2018)

J.B.Gupta, V.Katoch

New perspective of Grodzins E x B (E2)↑ product rule

NUCLEAR STRUCTURE Z>54; analyzed available data; deduced validity of Grodzins systematics.

doi: 10.1142/S0218301318500337
Citations: PlumX Metrics


2018GU04      Int.J.Mod.Phys. E27, 1850044 (2018)

J.B.Gupta

Novel solution of power law for γ-bands

NUCLEAR STRUCTURE 156Gd, 162Er, 118Xe; calculated energy levels, J, π, β and γ bands. Comparison with available data.

doi: 10.1142/S0218301318500441
Citations: PlumX Metrics


2018GU12      Nucl.Phys. A978, 25 (2018)

J.B.Gupta

Analysis of the anomalies of the constancy of Grodzins E x B(E2) product rule

NUCLEAR STRUCTURE Xe, Ba, Ce, Nd, Sm, Gd; calculated B(E2) between 0+1 and 2+1 vs Grodzins product (NpNnR/4) and vs Eγ (typically 3 or 4isotopes per element, 7 isotopes for Gd), rotational moment of inertia vs neutron and vs proton number. Ba, Ce, Nd, Sm, Gd, Dy, Er, Yb, Hf, W, Os, Pt; calculated rotational moment of inertia vs neutron number (for Nd, Sm, Gd, Dy) and Grodzins product E(2+1)B(E2) vs proton number, product of neutron and proton numbers or 1/E(2+1).

doi: 10.1016/j.nuclphysa.2018.07.016
Citations: PlumX Metrics


2018GU22      Int.J.Mod.Phys. E27, 1850100 (2018)

J.B.Gupta, V.Katoch

Study of Grodzins relation of B(E2) with E(2+1) in A = 130, 100 and 80 regions

NUCLEAR STRUCTURE N=52-80; analyzed available data; deduced the Grodzins product evolution.

doi: 10.1142/S0218301318501008
Citations: PlumX Metrics


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
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2017GU13      Phys.Rev. C 95, 054303 (2017)

J.B.Gupta, J.H.Hamilton

Reexamining the nuclear structure of 154Gd in the dynamic pairing plus quadrupole model

NUCLEAR STRUCTURE 154Gd; analyzed experimental data for levels, J, π, eight K-bands, B(E2), B(E2) ratios using dynamic pairing plus quadrupole model (DPPQM). Comparison with predictions of X(5) symmetry and interacting boson model. Discussed 2n-transfer reactions, and the validity of the multiphonon view.

doi: 10.1103/PhysRevC.95.054303
Citations: PlumX Metrics


2017GU25      Phys.Rev. C 96, 034321 (2017)

J.B.Gupta, J.H.Hamilton

Outstanding problems in the band structures of 152Sm

NUCLEAR STRUCTURE 152Sm; analyzed spectroscopic data for levels, J, π, bands, B(E2), odd-even staggering, and shape coexistence with predictions of microscopic dynamic pairing plus quadrupole (DPPQ) model of Kumar and Baranger.

doi: 10.1103/PhysRevC.96.034321
Citations: PlumX Metrics


2016GU18      Int.J.Mod.Phys. E25, 1650076 (2016)

J.B.Gupta

Phase transition at N=92 in 158Dy

NUCLEAR STRUCTURE 158Dy; analyzed available data; deduced energy levels, J, π, bands, B(E2). The dynamic pairing plus quadrupole (DPPQ) model calculations.

doi: 10.1142/S0218301316500762
Citations: PlumX Metrics


2015GU05      Eur.Phys.J. A 51, 47 (2015)

J.B.Gupta

Nuclear structure of 122-134Ba in IBM-1

NUCLEAR STRUCTURE 122,124,126,128,130,132,134Ba; calculated energy ratio E(J1)/E(21) vs spin J, partial level energy spectrum, quadrupole moment, B(E2), shape phase transition using IBM-1 and DPPQ (dynamic pairing plus quadrupole) model.

doi: 10.1140/epja/i2015-15047-6
Citations: PlumX Metrics


2015GU06      Phys.Rev. C 91, 054312 (2015)

J.B.Gupta, M.Saxena

Shape phase transition at N=88-90 in 144, 146Ba

NUCLEAR STRUCTURE 144,146Ba; calculated levels, J, π, B(E2). Interacting boson models (IBM-1) and IBM-2. Comparison with results of dynamic pairing plus quadrupole model (DPPQ), and with experimental results. Systematics of first 2+ states in 144,146Ba, 146,148Ce, 148,150Nd, 150,152Sm, 152,154Gd, 154,156Dy, 156,158Er; low-lying positive-parity states in 146Ce, 140,142,144,146,148Ba; and B(E2) in 144,146Ba, 146,148Ce, 148,150Nd.

doi: 10.1103/PhysRevC.91.054312
Citations: PlumX Metrics


2015GU20      Phys.Rev. C 92, 044316 (2015)

J.B.Gupta

Shape phase transition in 144-152Nd isotopes

NUCLEAR STRUCTURE 144,146,148,150,152Nd; analyzed ground-state bands, low-lying 0+, 2+, 3+, 4+ and 6+ non-yrast levels; calculated levels, J, π, bands, potential-energy curves, B(E2) for different bands, electric monopole transition matrix elements, magnetic-dipole and electric quadrupole moments, occupation numbers of protons and neutrons in Nilsson orbits. Discussed effects of the Z=64 subshell on the ground-state band and the excited vibrational bands. Microscopic dynamic pairing plus quadrupole model. Comparison with experimental data.

doi: 10.1103/PhysRevC.92.044316
Citations: PlumX Metrics


2015GU22      Eur.Phys.J. A 51, 151 (2015)

J.B.Gupta, J.H.Hamilton

Nature of Kπ = o+2 bands in A = 140-180 region, a global analysis

COMPILATION Ba, Ce, Nd, Sm, Gd, Dy, Er; compiled 2+ and 0+ state energy data energy for specified even Z, even N isotopes, B(E2), deformation, Kπ rotational bands; calculated energy, B(E2), deformation, rotational bands using DPPQ (dynamic pairing plus quadrupole) model; deduced evidence on the Kπ=0+2 rotational bands.

doi: 10.1140/epja/i2015-15151-7
Citations: PlumX Metrics


2015SA26      Phys.Scr. 90, 085303 (2015)

M.Saxena, J.B.Gupta, S.Mandal

Study of nuclear structure of 76-86Sr isotopes in the pn interacting boson model

NUCLEAR STRUCTURE 76,78,80,82,84,86Sr; calculated low-lying energy levels, energies of quasi gamma and quasi beta bands, B(E2), g-factors. Comparison with experimental data.

doi: 10.1088/0031-8949/90/8/085303
Citations: PlumX Metrics


2014GU08      Phys.Rev. C 89, 034321 (2014)

J.B.Gupta

Test of the Grodzins product rule in N=88 isotones and the role of the Z=64 subshell

NUCLEAR STRUCTURE 140,142,144,146,148Ba, 142,144,146,148,150Ce, 144,146,148,150,152Nd, 146,148,150,152,154Sm, 148,150,152,154,156Gd, 150,152,154,156,158,160,162,164Dy, 156,158,160,162,164,166,168,170Er, 158,160,162,164,166,168,170,172Yb, 162,164,166,168,170,172,174Hf; analyzed validity of Grodzins product rule (E(first 2+))(B(E2) for first 2+) for even-even Z=56-72, N=84-104 nuclei. Discussed collectivity features with increasing valence neutron and proton numbers based on experimental R(4+/2+) ratios, and B(E2) ratios between low-lying states. Softness parameter. Comparison of experimental B(E2) values with predictions of dynamic pairing plus quadrupole model. Role of Z=64 subshell.

doi: 10.1103/PhysRevC.89.034321
Citations: PlumX Metrics


2014GU11      Nucl.Phys. A927, 53 (2014)

J.B.Gupta

Nuclear structure of 124Xe in dynamic PPQ model

NUCLEAR STRUCTURE 124Xe; calculated levels, J, π, rotational bands, potential energy surface, deformation, B(E2) using dynamic pairing plus quadrupole model in microscopic approach and IBM-1.

doi: 10.1016/j.nuclphysa.2014.03.002
Citations: PlumX Metrics


2014GU25      Eur.Phys.J. A 50, 176 (2014)

J.B.Gupta

Nuclear structure of N = 86 isotones of Ce, Nd, Sm and Gd

NUCLEAR STRUCTURE Ce, Nd, Sm, Gd; calculated levels, J, π, deformation, B(E2), δ(E2/M1) mixing ratios, vibrational bands using DPPQ (dynamic pairing plus quadrupole model). Compared with available data.

doi: 10.1140/epja/i2014-14176-8
Citations: PlumX Metrics


2013GU21      Int.J.Mod.Phys. E22, 1350023 (2013)

J.B.Gupta

New perspective in rotation vibration interaction

doi: 10.1142/S0218301313500237
Citations: PlumX Metrics


2013GU22      Phys.Rev. C 87, 064318 (2013)

J.B.Gupta

Microscopic explanation of the shape-phase transition at N=88-90 and the Z=64 subshell effect for Ba-Dy

NUCLEAR STRUCTURE 142,144,146Ba, 144,146,148Ce, 146,148,150Nd, 148,150,152Sm, 150,152,154Gd, 152,154,156Dy; calculated occupation probabilities of neutrons and protons in deformed Nilsson orbits. NpNn scheme. Effect of n-p interaction and shape-phase transitions. Dynamic pairing plus quadrupole model (DPPQ) model.

doi: 10.1103/PhysRevC.87.064318
Citations: PlumX Metrics


2013GU32      Eur.Phys.J. A 49, 126 (2013)

J.B.Gupta

Collective band structure of 166, 168Hf in IBM and DPPQ models

NUCLEAR STRUCTURE 166,168Hf; calculated energy of the first 2+ state, rotational energy, vibrational energy, B(E2), potential energy vs deformation, spectroscopic factor using IBM and using and DPPQ (dynamic pairing plus quadrupole) model. Compared with available data.

doi: 10.1140/epja/i2013-13126-4
Citations: PlumX Metrics


2012DH01      Eur.Phys.J. A 48, 28 (2012)

A.Dhal, R.K.Sinha, D.Negi, T.Trivedi, M.K.Raju, D.Choudhury, G.Mohanto, S.Kumar, J.Gehlot, R.Kumar, S.Nath, S.S.Ghugre, R.P.Singh, J.J.Das, S.Muralithar, N.Madhavan, J.B.Gupta, A.K.Sinha, A.K.Jain, I.M.Govil, R.K.Bhowmik, S.C.Pancholi, L.Chaturvedi

Shape evolution in odd-A 137Pm

NUCLEAR REACTIONS 109Ag(32S, 2n2p), E=150 MeV; measured Eγ, Iγ using array of Compton suppressed clover detectors; deduced levels, J, π, γ transitions, bands, rotational bands, γ transition linear polarization, high spin, B(M1), B(E2); calculated nuclear deformation, shape evolution using TRS (Total Routhian Surface), CSM (cranked Shell Model).

doi: 10.1140/epja/i2012-12028-3
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2012GU08      Nucl.Phys. A882, 21 (2012)

J.B.Gupta, K.Kumar

Nuclear structure of 130-136Ce in IBM and DPPQ model

NUCLEAR STRUCTURE 130,132,134,136Ce; analyzed published reaction data; calculated levels, J, π, B(E2), deformation, quadrupole moment, symmetries, potential energy vs deformation, occupation numbers of single-particle orbits using IBM-1 and DPPQ (Dynamic Pairing plus Quadrupole model); deduced IBM-1 and DPPQ parameters. B(E2), levels, J, π compared to data.

doi: 10.1016/j.nuclphysa.2012.03.006
Citations: PlumX Metrics


2012GU24      Eur.Phys.J. A 48, 177 (2012)

J.B.Gupta

A microscopic explanation of the isotonic multiplet at N = 90 and of the F-spin multiplet in Dy-Hf

COMPILATION Nd, Sm, Gd, Dy, Er, Yb, Hf, W, Os; compiled low-lying levels, J, π, inertia moments; deduced X(5) symmetry.

NUCLEAR STRUCTURE 150Nd, 152Sm, 154Gd, 156Dy, 158Er, 160Yb, 162Hf, 164W, 166Os; calculated level occupancy, energy vs deformation using DPPQ (Dynamic Pairing Plus Quadrupole) model; deduced formation of N=88, 90 isotonic multiplets, F-spin multiplet.

doi: 10.1140/epja/i2012-12177-3
Citations: PlumX Metrics


2011GU13      Phys.Rev. C 83, 064312 (2011)

J.B.Gupta, J.H.Hamilton

Anomaly of the moment of inertia of shape transitional nuclei

NUCLEAR STRUCTURE 148,150,152Nd, 150Sm; analyzed kinematic moment of inertia of ground-state bands, backbending using Bohr Hamiltonian with power index formulas; discussed role of ground-state deformation.

doi: 10.1103/PhysRevC.83.064312
Citations: PlumX Metrics


2010GU09      Int.J.Mod.Phys. E19, 1491 (2010)

J.B.Gupta, K.Kumar, J.H.Hamilton

Nuclear structure of 150Sm in the DPPQ model and IBM

NUCLEAR STRUCTURE 150Sm; analyzed decay pattern of the low-lying states; calculated potential energy surfaces, B(E2).

doi: 10.1142/S0218301310015898
Citations: PlumX Metrics


2009DH01      Phys.Rev. C 80, 014320 (2009)

A.Dhal, R.K.Sinha, L.Chaturvedi, P.Agarwal, S.Kumar, A.K.Jain, R.Kumar, I.M.Govil, S.Mukhopadhyay, A.Chakraborty, Krishichayan, S.Ray, S.S.Ghugre, A.K.Sinha, R.Kumar, R.P.Singh, S.Muralithar, R.K.Bhowmik, S.C.Pancholi, J.B.Gupta

High spin states in 139Pm

NUCLEAR REACTIONS 116Cd(27Al, 4n), E=120 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ), DCO. 139Pm; deduced levels, J, π, bands, magnetic rotational bands, B(M1) and B(E2). Comparison with tilted axis cranking calculations.

doi: 10.1103/PhysRevC.80.014320
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2006SI26      Eur.Phys.J. A 28, 277 (2006); Erratum Eur.Phys.J. A 29, 253 (2006)

R.K.Sinha, A.Dhal, P.Agarwal, S.Kumar, Monika, B.B.Singh, R.Kumar, P.Bringel, A.Neusser, R.Kumar, K.S.Golda, R.P.Singh, S.Muralithar, N.Madhavan, J.J.Das, K.S.Thind, A.K.Sinha, I.M.Govil, R.K.Bhowmik, J.B.Gupta, P.K.Joshi, A.K.Jain, S.C.Pancholi, L.Chaturvedi

Loss of collectivity in 79Rb

NUCLEAR REACTIONS 63Cu(19F, 2np), E=60 MeV; measured Eγ, Iγ, γγ-coin, DSA. 79Rb deduced high-spin levels, T1/2, transition quadrupole moments. Comparison with Total Routhian Surface calculations. INGA array.

doi: 10.1140/epja/i2005-10286-8
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2005GO40      Eur.Phys.J. A 25, Supplement 1, 471 (2005)

P.M.Gore, E.F.Jones, J.H.Hamilton, A.V.Ramayya, X.Q.Zhang, J.K.Hwang, Y.X.Luo, K.Li, S.J.Zhu, W.C.Ma, J.O.Rasmussen, I.Y.Lee, M.Stoyer, J.D.Cole, A.V.Daniel, G.M.Ter-Akopian, Yu.Ts.Oganessian, R.Donangelo, J.B.Gupta

Unexpected rapid variations in odd-even level staggering in gamma-vibrational bands

NUCLEAR STRUCTURE 104,106,108Mo, 108,110,112Ru, 112,114,116Pd, 156,162,164,166,168,170Er; analyzed vibrational bands level energies, odd-even level staggering.

doi: 10.1140/epjad/i2005-06-178-9
Citations: PlumX Metrics


2003GU20      Pramana 61, 167 (2003)

J.B.Gupta, A.K.Kavathekar

Systematics of the Kπ = 2 + gamma vibrational bands and odd-even staggering

NUCLEAR STRUCTURE Xe, Ba, Ce, Nd, Sm, Gd, Dy, Er, Yb, Hf, W, Os, Pt; analyzed vibrational band level energy systematics, deformation effects, odd-even staggering.

doi: 10.1007/BF02704521
Citations: PlumX Metrics


2002GU18      Nucl.Phys. A705, 40 (2002)

J.B.Gupta, K.Kumar

Shape Changes of N = 66 Isotones Mo-Ce in DPPQ Model

NUCLEAR STRUCTURE 108Mo, 110Ru, 112Pd, 114Cd, 116Sn, 118Te, 120Xe, 122Ba, 124Ce; calculated 2+ level energies, B(E2), deformation, related features. Dynamic pairing plus quadrupole model, comparison with data.

doi: 10.1016/S0375-9474(02)00594-8
Citations: PlumX Metrics


2002GU22      J.Phys.(London) G28, 2365 (2002)

J.B.Gupta

Collective Nuclear Structure of Neutron Rich 104-108Mo

NUCLEAR STRUCTURE 104,106,108Mo; calculated level energies, quadrupole moments, B(E2), vibrational band structures. Evidence for two-phonon vibrational bands discussed. Interacting boson model, comparison with data.

doi: 10.1088/0954-3899/28/9/303
Citations: PlumX Metrics


2001GU12      Phys.Rev. C63, 044308 (2001)

J.B.Gupta, J.H.Hamilton, A.V.Ramayya

Microscopic Study of the 168Er Multiphonon Band Structure

NUCLEAR STRUCTURE 168Er; calculated levels, J, π, B(E2); deduced multiphonon band structure. Dynamic deformation theory.

doi: 10.1103/PhysRevC.63.044308
Citations: PlumX Metrics


2001KU18      Nucl.Phys. A694, 199 (2001)

K.Kumar, J.B.Gupta

Collectivity of Light Ba Isotopes in the DPPQ Model

NUCLEAR STRUCTURE 122,124,126,128,130,132,134Ba; calculated level energies, E2 moments. Collective microscopic theory, dynamic pairing-plus-quadrupole model.

doi: 10.1016/S0375-9474(01)00925-3
Citations: PlumX Metrics


1997GU20      Phys.Scr. 56, 574 (1997)

J.B.Gupta, A.K.Kavathekar

Variation of Rotational Content in E(21+) with Valence Nucleon Pairs and Correlation with B(E2) ↑ and E(0(β)+)

NUCLEAR STRUCTURE Z=54-78; N=66-118; analyzed ground-state collective bands levels, B(E2); deduced rotational vs vibrational content, shape transitions.

doi: 10.1088/0031-8949/56/6/006
Citations: PlumX Metrics


1997GU24      Phys.Rev. C56, 3417 (1997)

J.B.Gupta, A.K.Kavathekar, Y.P.Subharwal

Reexamination of the Variable Moment of Inertia Nuclear Softness Model

NUCLEAR STRUCTURE 162Dy, 164Er, 174Yb, 172Hf, 174W; calculated high-spin levels. Z=54-76; N=66-126; analyzed high-spin levels; deduced softness parameter. Variable moment of inertia model.

doi: 10.1103/PhysRevC.56.3417
Citations: PlumX Metrics


1995GU03      Phys.Scr. 51, 316 (1995)

J.B.Gupta, A.K.Kavathekar, R.Sharma

A Single Term Expression of Ground Band Level Energies of a Soft Rotor

NUCLEAR STRUCTURE A=150-200; calculated levels, band structure. Power law, single term expression.

doi: 10.1088/0031-8949/51/3/005
Citations: PlumX Metrics


1995GU04      J.Phys.(London) G21, 565 (1995)

J.B.Gupta

Nuclear Structure of 144-150Nd in IBM-1

NUCLEAR STRUCTURE 146,148,150Nd; calculated levels, B(λ), ratios, quadrupole moments. Interacting boson model.

doi: 10.1088/0954-3899/21/4/008
Citations: PlumX Metrics


1995LU10      Phys.Rev. C52, 1348 (1995)

Q.H.Lu, K.Butler-Moore, S.J.Zhu, J.H.Hamilton, A.V.Ramayya, V.E.Oberacker, W.C.Ma, B.R.S.Babu, J.K.Deng, J.Kormicki, J.D.Cole, R.Aryaeinejad, Y.X.Dardenne, M.Drigert, L.K.Peker, J.O.Rasmussen, M.A.Stoyer, S.Y.Chu, K.E.Gregorich, I.Y.Lee, M.F.Mohar, J.M.Nitschke, N.R.Johnson, F.K.McGowan, G.M.Ter-Akopian, Yu.Ts.Oganessian, J.B.Gupta

Structure of 108,110,112Ru: Identical bands in 108,110Ru

RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-, γγγ-, (X-ray)γ-coin. 108,110,112Ru deduced levels, J, π, intraband B(E2) ratios. Rotation-vibration, rigid triaxial rotor calculation.

doi: 10.1103/PhysRevC.52.1348
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


1993GU05      Phys.Rev. C47, 1489 (1993)

J.B.Gupta

Z = 64 Subshell Gap in the Shell Model and the Effective Boson Number in the Interacting Boson Model

NUCLEAR STRUCTURE 138Ba, 140Ce, 142Nd, 144Sm, 146Gd; calculated proton occupancies for g9/2-s1/2 orbits. 146,148,150,152,154Sm; calculated proton spectroscopic factors. Interacting boson model.

doi: 10.1103/PhysRevC.47.1489
Citations: PlumX Metrics


1992GU07      Nucl.Phys. A542, 429 (1992)

J.B.Gupta, J.H.Hamilton, A.V.Ramayya

Nuclear Structure of 158,160Dy in the Dynamic Pairing-Plus-Quadrupole Model and the Shape Phase Transitions in 154-160Dy

NUCLEAR STRUCTURE 158,160Dy; calculated levels, band structure absolute B(E2), interband B(E2) ratios. 154,156Dy; calculated levels; deduced band structure. Dynamic pairing-plus-quadrupole model.

doi: 10.1016/0375-9474(92)90105-S
Citations: PlumX Metrics


1991MI05      Phys.Scr. 43, 558 (1991)

H.M.Mittal, S.Sharma, J.B.Gupta

Tests of Rigid Triaxiality for Light Te-Sm Nuclei

NUCLEAR STRUCTURE 118,120,122,124,126,128Te, 120,122,124,126,128,130,132Xe, 126,128,130,132,134Ba, 134,136Ce, 136,138Nd, 138,140Nd; analyzed B(E2) ratios; deduced shape features.

doi: 10.1088/0031-8949/43/6/004
Citations: PlumX Metrics


1990GU03      J.Phys.(London) G16, 71 (1990)

J.B.Gupta

Shape Transition of Light Sm Isotopes in the Interacting Boson Model

NUCLEAR STRUCTURE 136,138,140Sm; calculated levels, B(λ), quadrupole moment, ratios. Interacting boson model.

doi: 10.1088/0954-3899/16/1/011
Citations: PlumX Metrics


1990GU06      Phys.Scr. 41, 660 (1990)

J.B.Gupta, H.M.Mittal, S.Sharma

Study of Shape Phase Transitions and the F-Spin Multiplets through the Shape Fluctuation Energy

NUCLEAR STRUCTURE A=120-200; calculated shape fluctuation energy; deduced F-spin multiplet shape phase transition features. Interacting boson model, even-even nuclei.

doi: 10.1088/0031-8949/41/5/006
Citations: PlumX Metrics


1990GU12      Phys.Rev. C42, 1373 (1990)

J.B.Gupta, H.M.Mittal, J.H.Hamilton, A.V.Ramayya

Systematic Dependence of the γ-g B(E2) Ratios on the N(p)N(n) Product

NUCLEAR STRUCTURE A=120-200; analyzed B(E2) systematics; deduced N(p)N(n) scheme limitations.

doi: 10.1103/PhysRevC.42.1373
Citations: PlumX Metrics


1989GU01      Phys.Scr. 39, 50 (1989)

J.B.Gupta, S.Sharma

Interband B(E2) Ratios in the Rigid Triaxial Model, a Review

NUCLEAR STRUCTURE 146,148,150Nd, 148,150,152,154,156Sm, 150,152,154,156,158,160Gd, 154,156,158,160,162,164Dy, 156,158,160,164,166,168,170Er, 158,164,166,168,170,172,174,176,178Yb, 166,168,170,172,174,176,178,180Hf, 170Er, 178,180,182,184,186W, 178,180,182,184,186,188,190,192,194Os, 180,182,184,186,188,190,192,194,196Pt; analyzed B(E2); deduced asymmetry parameter (γ0). Rigid triaxial model.

doi: 10.1088/0031-8949/39/1/007
Citations: PlumX Metrics


1989GU07      Phys.Rev. C39, 1604 (1989)

J.B.Gupta

Nuclear Structure of 154,156Dy in the Dynamic Pairing-Plus-Quadrupole Model

NUCLEAR STRUCTURE 154,156Dy; calculated levels, B(λ), ratio, μ, quadrupole moment. Dynamic pairing plus quadrupole model.

doi: 10.1103/PhysRevC.39.1604
Citations: PlumX Metrics


1988GU08      Nucl.Phys. A484, 189 (1988)

J.B.Gupta

Nuclear Structure of 144Nd in IBM and DPPQ Model

NUCLEAR STRUCTURE 144,146,148,150Nd; calculated quadrupole moments, μ, E2 matrix elements. 144Nd; calculated levels, B(E2), ratios, g. Dynamic deformation theory.

doi: 10.1016/0375-9474(88)90070-X
Citations: PlumX Metrics


1988GU19      Indian J.Pure Appl.Phys. 26, 601 (1988)

J.B.Gupta, S.Sharma

Limits of Validity of the Linear Band Mixing Theory

NUCLEAR STRUCTURE A=150-200; analyzed interband B(E2) ratios data, model results; deduced linear band mixing limits validity.


1986GU02      Phys.Rev. C33, 1505 (1986)

J.B.Gupta

Unbroken SU(3) Symmetry and the Relation of Interacting-Boson-Model Parameters with the Shell Model

NUCLEAR STRUCTURE 156,158,160,162,164,166,168,170Er, 160,162,164,166,168,170,172,174Yb, 156,158,160,162,164Dy, 166,168,170,172,174,176Hf; analyzed B(E2); deduced moment of inertia, B(E2) linear relation with (NpNn). Interacting boson model, exact SU(3) symmetry limit.

doi: 10.1103/PhysRevC.33.1505
Citations: PlumX Metrics


1986KU02      Nucl.Phys. A448, 36 (1986)

K.Kumar, J.B.Gupta, J.H.Hamilton

Proton Spectroscopic Factors of Sm Isotopes in the Pairing-Plus-Quadrupole Model

NUCLEAR STRUCTURE 152,154Sm; calculated single proton S. Pairing plus quadrupole model.

doi: 10.1016/0375-9474(86)90178-8
Citations: PlumX Metrics


1985GU03      J.Phys.(London) G11, 119 (1985)

J.B.Gupta, S.Sharma

Proton Spectroscopic Factors in Some N = 88 Isotones from the Pairing-Plus-Quadrupole Model

NUCLEAR STRUCTURE 148Nd, 150Sm, 152Gd; calculated proton transfer spectroscopic factors. Pairing plus quadrupole model.

doi: 10.1088/0305-4616/11/1/017
Citations: PlumX Metrics


1984GU08      Phys.Rev. C29, 2381 (1984)

J.B.Gupta

Interband B(E2) Values in 152Gd from Dynamic Deformation Theory

NUCLEAR STRUCTURE 152Gd; calculated interband B(E2). Dynamic deformation theory.

doi: 10.1103/PhysRevC.29.2381
Citations: PlumX Metrics


1984KU02      J.Phys.(London) G10, 525 (1984)

K.Kumar, J.B.Gupta

Nuclear Structure of the N = 88 Transitional Nucleus 152Gd in the Pairing-Plus-Quadrupole Model

NUCLEAR STRUCTURE 152Gd; calculated potential energy vs deformation, levels, δ(E2/M1), B(E2) branching ratios, electric monopole, quadrupole moments, moment of inertia, X(E0/E2). Dynamic deformation theory, pairing plus quadrupole model.

doi: 10.1088/0305-4616/10/4/013
Citations: PlumX Metrics


1983BH02      Phys.Rev. C27, 872 (1983)

S.K.Bhardwaj, K.K.Gupta, J.B.Gupta, D.K.Gupta

Rotation-Vibration Description and Transitional Nuclei

NUCLEAR STRUCTURE 150,152,154Sm, 154Gd, 156Dy, 194Pt; calculated levels, B(E2), branching ratios. Rotation-vibration description, anharmonicity, mass parameters.

doi: 10.1103/PhysRevC.27.872
Citations: PlumX Metrics


1983GU13      Phys.Scr. 28, 21 (1983)

J.B.Gupta

Study of the Multiphonon Bands in 156Gd by the DPPQ Model

NUCLEAR STRUCTURE 156Gd; calculated levels, rotational bands, B(E2), B(E2) ratios, reduced E0 transition probability, mixing ratio X(E0/E2). Dynamic pairing plus quadrupole method, multi-phonon bands.

doi: 10.1088/0031-8949/28/1/004
Citations: PlumX Metrics


1983GU16      Phys.Rev. C28, 1829 (1983)

J.B.Gupta

Nuclear Structure of 146-154Sm in the Dynamic Pairing-Plus-Quadrupole Model

NUCLEAR STRUCTURE 146,148,150,152,154Sm; calculated levels, B(E2), potential energy surfaces, g, quadrupole moments, isomer shifts. Dynamic pairing plus quadrupole model.

doi: 10.1103/PhysRevC.28.1829
Citations: PlumX Metrics


1981GU03      J.Phys.(London) G7, 673 (1981)

J.B.Gupta, K.Kumar

On a Delicate Balance of Pairing and Quadrupole Forces in 150Sm and a Recalculation of E0/E2 Moments

NUCLEAR STRUCTURE 150Sm; calculated E0, E2 transition strengths, branching ratios. Dynamic deformation theory.

doi: 10.1088/0305-4616/7/5/012
Citations: PlumX Metrics


1979KU16      Aust.J.Phys. 32, 307 (1979)

K.Kumar, J.B.Gupta, J.H.Hamilton

Dynamic Deformation Theory and Multiphonon Vibrational Bands in 154Gd

NUCLEAR STRUCTURE 154Gd; calculated excited band energies, B(E2), μ, δ, E0 moments. Dynamic deformation theory, pairing plus quadrupole model.

doi: 10.1071/PH790307
Citations: PlumX Metrics


1978KU09      Nucl.Phys. A304, 295 (1978)

K.Kumar, J.B.Gupta

Dynamic Deformation Theory of the B(E2) Values and the Quadrupole Shape Characteristics of Even Gadolinium Nuclei

NUCLEAR STRUCTURE 152,154,156,158,160Gd; calculated levels, B(E2).

doi: 10.1016/0375-9474(78)90239-7
Citations: PlumX Metrics


1977GU09      Phys.Rev. C16, 427 (1977)

J.B.Gupta, K.Kumar, J.H.Hamilton

Pairing-Plus-Quadrupole Model Calculations for 154,156Gd

NUCLEAR STRUCTURE 156Gd; calculated levels, B(E2), quadrupole moment, μ, M(λ), δ, deformation β. 154Gd calculated B(E2).

doi: 10.1103/PhysRevC.16.427
Citations: PlumX Metrics


1977GU10      Z.Phys. A282, 179 (1977)

J.B.Gupta, S.L.Gupta, J.H.Hamilton, A.V.Ramayya

Gamma-Gamma Directional Correlations and Coincidence Studies in 154Gd

RADIOACTIVITY 154Eu; measured Eγ, Iγ, γγ(θ), γγ-coin. 154Gd deduced levels, K, J, π, δ.

doi: 10.1007/BF01408162
Citations: PlumX Metrics


1973GU10      Z.Phys. 261, 137 (1973)

J.B.Gupta, N.C.Singhal, J.H.Hamilton

Search for Weak Transitions in the Decay of 125Sb and Accurate Gamma Intensities

RADIOACTIVITY 125Sb; measured Eγ, Iγ. 125Te deduced transitions.

doi: 10.1007/BF01394555
Citations: PlumX Metrics


1971HA17      Nucl.Phys. A172, 139 (1971)

J.H.Hamilton, S.M.Brahmavar, J.B.Gupta, R.W.Lide, P.H.Stelson

Search for Weak Transitions in the Decay of 108mAg

RADIOACTIVITY 108mAg [from 107Ag(n, γ)]; measured Eγ, Iγ; deduced isomeric branching. Ge(Li) detectors. Sources produced 1950'S, 1960'S.

doi: 10.1016/0375-9474(71)90121-7
Citations: PlumX Metrics


1968GU10      Indian J.Phys. 42, 408 (1968)

J.B.Gupta, N.Nath

Neutron Inelastic Scattering in Pb 206 and Pb 207

NUCLEAR REACTIONS 206,207Pb(n, n'), E = 0.6-4.0 MeV; calculated σ(E). Hauser-Feshbach theory.


1960SA31      Proc.Nat.Inst.Sci.India 26A, 486 (1960)

N.K.Saha, J.B.Gupta

The γ/β Branching Ratio in the Decay Scheme of K40

NUCLEAR STRUCTURE 40K; measured not abstracted; deduced nuclear properties.


1959SA72      NP-9166, p.34 (1959); Nuclear Sci.Abstr. 15, Abstr.2145 (1961)

N.K.Saha, J.B.Gupta


Back to query form