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NSR database version of April 11, 2024.

Search: Author = D.K.Gupta

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2013SI24      Can.J.Phys. 91, 777 (2013)

Y.Singh, S.K.Dhiman, M.Singh, C.Bihari, A.K.Varshney, K.K.Gupta, D.K.Gupta

In search of empirical rule relating E2⁺₁ and B(E2; 0⁺₁ → 2⁺₁) in asymmetric even-even nuclei of mass region A = 90-120

doi: 10.1139/cjp-2013-0107
Citations: PlumX Metrics

2011VA01      Phys.Scr. 83, 015201 (2011)

M.Varshney, M.Singh, Y.Singh, C.Bihari, A.K.Varshney, K.K.Gupta, D.K.Gupta

Seeking asymmetric rotors in mass region A ∼ 100-110

NUCLEAR STRUCTURE ^{98,100,102,104,106,108,110,112}Ru, ^{108,110,112,114,116}Pd, ^{86,94,100,102,104,106,108}Mo; calculated asymmetry parameters, ground and γ-band levels, staggering index. Comparison with experimental data.

doi: 10.1088/0031-8949/83/01/015201
Citations: PlumX Metrics

2010SI07      Can.J.Phys. 88, 201 (2010)

Y.Singh, C.Bihari, A.K.Varshney, S.K.Dhiman, K.K.Gupta, D.K.Gupta

Ground and gamma band energy systematics in even xenon and barium nuclei

NUCLEAR STRUCTURE ^{116,118,120,122,124,126,128,130}Xe, ^{124,126,128,130,132,134}Ba; calculated moment of inertia parameters for yrast, even and odd gamma bands. General Asymmetric Rotor Model.

doi: 10.1139/P09-093
Citations: PlumX Metrics

2008BI08      Phys.Scr. 77, 055201 (2008)

C.Bihari, M.Singh, Y.Singh, A.K.Varshney, K.K.Gupta, D.K.Gupta

A new signature of the triaxial region in even nuclei

NUCLEAR STRUCTURE ¹⁰⁴Ru, ¹⁰⁶Ru, ¹⁰⁸Ru, ¹¹⁰Ru, ¹¹²Ru, ¹⁰⁸Pd, ¹¹⁰Pd, ¹¹²Pd, ¹¹⁴Pd, ¹¹⁶Pd, ¹²⁰Xe, ¹²²Xe, ¹²⁴Xe, ¹²⁶Xe, ¹²⁸Xe, ¹³⁰Xe, ¹²⁴Ba, ¹²⁶Ba, ¹²⁸Ba, ¹³⁰Ba, ¹³²Ba, ¹⁵²Sm, ¹⁵²Gd, ¹⁵⁴Gd, ¹⁵⁶Gd, ¹⁵⁸Gd, ¹⁵⁴Dy, ¹⁵⁶Dy, ¹⁵⁸Dy, ¹⁶⁰Dy, ¹⁶²Dy, ¹⁶⁴Dy, ¹⁶²Er, ¹⁶⁴Er, ¹⁶⁶Er, ¹⁶⁸Er, ¹⁸²Os, ¹⁸⁴Os, ¹⁸⁶Os, ¹⁸²Os; analyzed yrast γ-band level energies; deduced parameters; ¹⁰⁴Ru, ¹⁰⁶Ru, ¹⁰⁸Ru, ¹¹⁰Ru, ¹¹²Ru, ¹⁰⁸Pd, ¹¹⁰Pd, ¹¹²Pd, ¹¹⁴Pd, ¹¹⁶Pd, ¹²⁰Xe, ¹²²Xe, ¹²⁴Xe, ¹²⁶Xe, ¹²⁸Xe, ¹³⁰Xe, ¹²⁴Ba, ¹²⁶Ba, ¹²⁸Ba, ¹³⁰Ba, ¹³²Ba, ¹⁵²Sm, ¹⁵²Gd, ¹⁵⁴Gd, ¹⁵⁶Gd, ¹⁵⁸Gd, ¹⁵⁴Dy, ¹⁵⁶Dy, ¹⁵⁸Dy, ¹⁶⁰Dy, ¹⁶²Dy, ¹⁶⁴Dy, ¹⁶²Er, ¹⁶⁴Er, ¹⁶⁶Er, ¹⁶⁸Er, ¹⁸²Os, ¹⁸⁴Os, ¹⁸⁶Os, ¹⁸²Os; calculated levels, J, π, γ-parameter. Two parameter formula, compared with phenomenologial asymmetric rotor model.

doi: 10.1088/0031-8949/77/05/055201
Citations: PlumX Metrics

2008BI13      Phys.Scr. 78, 045201 (2008)

C.Bihari, Y.Singh, M.Singh, A.K.Varshney, K.K.Gupta, D.K.Gupta

Evidence of rigid triaxiality in some even nuclei

NUCLEAR STRUCTURE ^136,138Nd, ¹⁵⁰Sm, ^{164,166,168,170}Yb, ^176,178Hf, ^180,182,184W, ^180,190,192Os, ^{182,184,188,190,192,194}Pt, ²³²Th; calculated γ-band energies. ¹³⁰Ba, ¹⁵²Sm, ^154,156Gd, ^156,158Dy, ^164,166Er, ^166,170Yb, ¹⁸⁰W, ¹⁸²Os, ²³²Th; calculated γ-band staggering indices.

doi: 10.1088/0031-8949/78/04/045201
Citations: PlumX Metrics

2007VA04      Phys.Scr. 75, 451 (2007)

M.Varshney, C.Bihari, Y.Singh, M.Singh, A.K.Varshney, K.K.Gupta, D.K.Gupta

An empirical relation for rotational energies in neutron rich transitional nuclei around A ≈ 100

NUCLEAR STRUCTURE ^{104,106,108,110,112}Ru, ^{108,110,112,114,116}Pd; calculated rotational band level energies. Rigid triaxial rotor model.

doi: 10.1088/0031-8949/75/4/014
Citations: PlumX Metrics

1989VA08      Can.J.Phys. 67, 131 (1989)

A.K.Varshney, K.K.Gupta, D.K.Gupta, R.K.Tyagi

Triaxiality in ^146,148Sm Nuclei

NUCLEAR STRUCTURE ^146,148Sm; calculated levels, B(λ) ratios. Dynamic pairing plus quadrupole model.

doi: 10.1139/p89-020
Citations: PlumX Metrics

1988VA20      Nuovo Cim. 99A, 1 (1988)

A.K.Varshney, R.K.Tyagi, Rajendra Prasad, D.K.Gupta

B(E2) Values for Transitions from High-Spin States in Deformed Even-Even Nuclei

NUCLEAR STRUCTURE ¹⁵⁰Nd, ^150,152,154Sm, ^154,156,158Gd, ^158,160,162Dy, ^{156,158,160,164,166,168,170}Er, ^{164,166,172,174}Yb, ^182,184,186W, ^{184,186,188,190}Os, ^230,232Th; calculated B(E2). Rotational-Vibrational, Davydov-Rostovsky models.

doi: 10.1007/BF02735206
Citations: PlumX Metrics

1983AN26      Hyperfine Interactions 15/16, 211 (1983)

V.Anila, H.C.Verma, D.K.Gupta, G.N.Rao

Quadrupole Interaction at Fe⁵⁷ Nuclei in Sb Metal

NUCLEAR REACTIONS ⁵⁷Fe(γ, γ), E=14.4 keV; measured Mossbauer spectra; deduced quadrupole interaction frequency in Sb.

doi: 10.1007/BF02159740
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

1982GU05      Indian J.Pure Appl.Phys. 20, 63 (1982)

K.K.Gupta, S.K.Bhardwaj, D.K.Gupta

B(E2) Values of Transitions from K(π) = 0⁺ - 2⁺ Vibrational Bands

NUCLEAR STRUCTURE ¹⁵⁰Nd, ^150,152,154Sm, ^{152,154,156,158}Gd, ¹⁶⁰Dy, ^164,170,174Yb, ^182,184,186W, ^{174,176,178,180}Hf, ^230,232Th, ^234,236,238U, ²³⁸Pu; calculated B(E2) ratios. Asymmetric rotor model.

1982GU11      Phys.Rev. C26, 685 (1982)

K.K.Gupta, V.P.Varshney, D.K.Gupta

Experimental Evidence in Support of Triaxial Shape of ^150,152,154Sm Nuclei

NUCLEAR STRUCTURE ^150,152,154Sm; calculated levels, B(E2), branching ratios. Rigid rotor.

doi: 10.1103/PhysRevC.26.685
Citations: PlumX Metrics

1982GU22      Indian J.Pure Appl.Phys. 20, 696 (1982)

K.K.Gupta, V.P.Varshney, D.K.Gupta

One-Parameter Description of Even-Even Nuclei using Asymmetric Rotor Model

NUCLEAR STRUCTURE A=76-240; analyzed 2⁺ level energy systematics; deduced (βA)(2/3) parameter role in linear relationships.

1982VA06      J.Phys.(London) G8, 727 (1982)

V.P.Varshney, K.K.Gupta, A.K.Chaubey, D.K.Gupta

Probable Values of Mean Lives of Rotational Levels and B(E2) Values of Gamma-Ray Cascades

NUCLEAR STRUCTURE A=102-246; calculated rotational level T_1/2, B(E2). Asymmetric rotor model.

doi: 10.1088/0305-4616/8/5/013
Citations: PlumX Metrics

1982VA18      Can.J.Phys. 60, 1461 (1982)

V.P.Varshney, K.K.Gupta, A.K.Chaubey, D.K.Gupta

Mean Life Predictions in Respect of K(π) = 2⁺ Collective Excitations in Deformed Even Nuclei

NUCLEAR STRUCTURE A=74-248; calculated B(E2), 2⁺ level T_1/2. Collective excitation, deformed nuclei, asymmetric rotor model.

doi: 10.1139/p82-196
Citations: PlumX Metrics

1982VA24      Indian J.Pure Appl.Phys. 20, 799 (1982)

V.P.Varshney, K.K.Gupta, D.K.Gupta, A.K.Chaubey

Effect of Spin on Nuclear Shape in Deformed Even Nuclei in the Framework of Asymmetric Rotor Model

NUCLEAR STRUCTURE ^{92,94,96,98,100,102}Mo, ^{96,98,100,102,104,108}Ru, ^{102,104,106,108}Pd, ^{106,108,112,114,116}Cd, ^{120,122,124,126,128,130}Te, ^{120,122,124,126,128,130,132}Xe, ^{130,132,134,136,138}Ba, ^132,134Ce, ^{142,144,146,148,150}Nd, ^{148,150,152,154}Sm, ^{152,154,156,158,160}Gd, ^{156,158,160,162,164}Dy, ^{156,158,160,162,164,166,168,170}Er, ^{160,162,164,166,168,170,172,174,176}Yb, ^{172,174,176,178,180,166,168,170}Hf, ^{180,182,184,186}W, ^{182,184,186,188,190,192}Os, ^{184,186,188,190,192}Pt, ^228,230,232Th, ^{232,234,236,238}U, ^{238,240,242,244}Pu, ²⁴⁶Cm; calculated B(E2); deduced nuclear shape spin dependence. Asymmetric rotor models.

1980GU19      J.Phys.Soc.Jpn. 49, 4 (1980)

K.K.Gupta, S.K.Bhardwaj, D.K.Gupta

B(E2) Values of Gamma-Ray Cascades and Empirical Relation

NUCLEAR STRUCTURE ¹⁵⁰Nd, ^152,154Sm, ^154,156Gd, ^160,162,164Dy, ^{156,158,160,166,168,170}Er, ^{164,166,170,172,176}Yb, ^184,186W, ^{186,188,190,192}Os, ¹⁹²Pt, ²³²Th, ^236,234U, ^196,198Hg; analyzed T_1/2 data; deduced inter rotational band B(E2).

1980GU27      Nuovo Cim. 58B, 101 (1980)

K.K.Gupta, S.K.Bhardwaj, D.K.Gupta

Study of E₂ Transitions from the 2⁺ State of the Gamma-Vibrational Band

NUCLEAR STRUCTURE ¹⁵⁰Nd, ^150,152,154Sm, ^{152,154,156,158,160}Gd, ^{156,158,160,162,164}Dy, ^{162,164,166,168,170}Er, ^{174,176,178,180}Hf, ^182,184,186W, ^{186,188,190,192,184}Os, ^{184,186,190,192,194,196}Pt, ^230,232Th, ^234,236,238U, ^240,242,244Pu, ^246,248Cm, ^{172,174,176,164,168}Yb; calculated B(E2), ratios. Asymmetric rotor model comparison, T_1/2 data input.

doi: 10.1007/BF02899881
Citations: PlumX Metrics

1975GU24      Indian J.Pure Appl.Phys. 13, 334 (1975)

V.P.Gupta, D.K.Gupta

Transition Probabilities in Some Nuclei

RADIOACTIVITY ⁴⁴Ti; measured γ(t). ⁴⁴Sc level deduced T_1/2. ⁴⁴Sc, ⁷⁵As, ^131,133Cs, ¹⁷⁰Yb, ¹⁸⁷Re, ¹⁹⁷Au; calculated B(λ).

1973GU19      Progr.Theor.Phys. 49, 2133 (1973)

D.K.Gupta, P.C.Sood

Coriolis Coupling for 1/2^- [510] Neutron State in ¹⁷⁶Lu

NUCLEAR STRUCTURE ¹⁷⁶Lu; calculated band mixing.

doi: 10.1143/PTP.49.2133
Citations: PlumX Metrics

1972GU01      Nucl.Phys. A180, 311 (1972)

D.K.Gupta, C.Rangacharyulu, R.Singh, G.N.Rao

Nuclear Level Studies of ⁹⁹Ru

RADIOACTIVITY ⁹⁹Rh[from ⁹⁹Ru(p, n)]; measured Eγ, Iγ, γγ-coin, γγ-delay. ⁹⁹Ru deduced levels, T_1/2. Chemical separations; enriched target, Ge(Li), NaI(Tl) detectors.

doi: 10.1016/0375-9474(72)90171-6
Citations: PlumX Metrics

1972GU03      Nucl.Phys. A182, 669 (1972)

D.K.Gupta, G.N.Rao

Nuclear Lifetime Measurements of Some Excited States in ⁷⁵As, ¹³¹Cs, ¹³³Cs, ¹⁷⁰Yb, ¹⁸⁷Re and ¹⁹⁷Au

RADIOACTIVITY ⁷⁵Se, ¹³¹Ba, ¹³³Ba, ¹⁷⁰Tm, ¹⁸⁷W, ¹⁹⁷Hg; measured γγ-, βγ-, Xγ-delay. ⁷⁵As, ¹³¹Cs, ¹³³Cs, ¹⁷⁰Yb, ¹⁸⁷Re, ¹⁹⁷Au deduced levels, T_1/2.

doi: 10.1016/0375-9474(72)90544-1
Citations: PlumX Metrics