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NSR database version of April 26, 2024.

Search: Author = P.N.Usmanov

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2023OK04      Bull.Rus.Acad.Sci.Phys. 87, 1248 (2023)

A.A.Okhunov, M.K.M.Abu El Sheikh, P.N.Usmanov

Rotational Spectra of Even-Even Actinide and Rare-Earth Nuclei

NUCLEAR STRUCTURE A=150-190, 228-246; calculated the energy spectra of ground and beta state bands in even-even nuclei within the framework of the hydrodynamical model and on the basis that the stretching is quantized in the actinide region and in beta bands for some nuclei selected randomly.

doi: 10.3103/S106287382370288X
Citations: PlumX Metrics

2023US01      Bull.Rus.Acad.Sci.Phys. 87, 1155 (2023)

P.N.Usmanov, A.I.Vdovin, E.K.Yusupov, Sh.R.Nematjonov

Magnetic Properties of Excited States of the ¹⁵⁶Gd Nucleus

NUCLEAR STRUCTURE ¹⁵⁶Gd; calculated energy levels, J, π, B(M1), multipole mixing for transitions using a phenomenological model with allowance for the Coriolis mixing of states of low-lying rotational bands of positive parity.

doi: 10.3103/S1062873823703021
Citations: PlumX Metrics

2022US01      Bull.Rus.Acad.Sci.Phys. 86, 918 (2022)

P.N.Usmanov, A.I.Vdovin, A.N.Nishonov

Investigating the Energies and Electrical Characteristics of the Negative Parity States of the ¹⁵⁶Gd Nucleus

NUCLEAR STRUCTURE ¹⁵⁶Gd; calculated energy levels, J, π, B(E2), negative parity states using a phenomenological model that allows for Coriolis interaction between the states of rotational bands. Comparison with available data.

doi: 10.3103/S1062873822080251
Citations: PlumX Metrics

2021US01      Bull.Rus.Acad.Sci.Phys. 85, 1102 (2021)

P.N.Usmanov, A.I.Vdovin, E.K.Yusupov

Electric Properties of Rotational States of the ¹⁵⁶Gd Nucleus

NUCLEAR REACTIONS ¹⁵⁶Gd(α, 2n), (n, γ), (n, n'), E not given; analyzed available data; calculated probabilities of in- and inter-band quadrupole electrical transitions are calculated using a phenomenological model that considers Coriolis mixing of the states of rotational bands.

doi: 10.3103/S1062873821100269
Citations: PlumX Metrics

2020US02      Bull.Rus.Acad.Sci.Phys. 84, 968 (2020)

P.N.Usmanov, A.I.Vdovin, E.K.Yusupov

Analyzing the Magnetic Characteristics of ^{158, 160}Gd States Using a Phenomenological Model

NUCLEAR STRUCTURE ^158,160Gd; analyzed available data; calculated structure of excited states and non-adiabatic effects, probabilities of magnetic transitions, wavefunctions using a phenomenological model that includes Coriolis mixing of the states of low-lying positive-parity rotational bands.

doi: 10.3103/S1062873820080298
Citations: PlumX Metrics

2019US02      Phys.Part. and Nucl.Lett. 16, 706 (2019)

P.N.Usmanov, A.I.Vdovin, E.K.Yusupov, U.S.Salikhbaev

Phenomenological Analysis of Characteristics of Rotational Bands in ^{158, 160}Gd Isotopes

doi: 10.1134/s1547477119060530
Citations: PlumX Metrics

2014OK02      J.Phys.(London) G41, 075102 (2014)

A.A.Okhunov, Ph.N.Usmanov, H.Abu Kassim

Influence of 1⁺ states on the g_R-factors of ground band in isotopes of ¹⁶⁰Dy and ^{170, 174}Yb

NUCLEAR STRUCTURE ¹⁶⁰Dy, ^170,174Yb; calculated wave functions, B(M1), B(E2), g-factors. Comparison with experimental data.

doi: 10.1088/0954-3899/41/7/075102
Citations: PlumX Metrics

2014US01      Phys.Atomic Nuclei 77, 1343 (2014); Yad.Fiz. 77, 1408 (2014)

P.N.Usmanov, A.A.Solnyshkin, A.I.Vdovin, U.S.Salikhbaev

Properties of octupole-vibrational bands in the ¹⁶⁰Dy nucleus

NUCLEAR STRUCTURE ¹⁶⁰Dy; analyzed available data; calculated energies, J, π, B(E1); deduced nonadiabatic effects. Comparison with available data.

doi: 10.1134/S1063778814100135
Citations: PlumX Metrics

2010US01      Phys.Part. and Nucl.Lett. 7, 185 (2010); Pisma Zh.Fiz.Elem.Chast.Atom.Yadra No.3 [159], 306 (2010)

P.N.Usmanov, A.A.Okhunov, U.S.Salikhbaev, A.I.Vdovin

Analysis of Electromagnetic transitions in nuclei ^{176, 178}Hf

NUCLEAR STRUCTURE ^176,178Hf; calculated J, π, energy levels, band structure, B(E2), B(M1), E2/M1 ratios. Coriolis mixing.

doi: 10.1134/S1547477110030040
Citations: PlumX Metrics

2010US02      Phys.Atomic Nuclei 73, 1990 (2010); Yad.Fiz. 73, 2045 (2010)

P.N.Usmanov, I.Adam, U.S.Salikhbaev, A.A.Solnyshkin

Theoretical analysis of experimental data on ¹⁶⁰Dy that were obtained in studying beta decay

NUCLEAR STRUCTURE ¹⁶⁰Dy; calculated energies of low-lying states, B(E2). Phenomenological model, comparison with experimental data.

doi: 10.1134/S1063778810120021
Citations: PlumX Metrics

1997KA49      Bull.Rus.Acad.Sci.Phys. 61, 31 (1997)

V.G.Kalinnikov, A.A.Solnyshkin, P.N.Usmanov

K-Forbidden E2 Transitions in the ¹⁵⁸Dy Nucleus

NUCLEAR STRUCTURE ¹⁵⁸Dy; calculated levels, B(λ), T_1/2l deduced level population (in ¹⁵⁸Ho-decay) related features.

1995MI22      Yad.Fiz. 58, No 8, 1371 (1995); Phys.Atomic Nuclei 58, 1289 (1995)

I.N.Mikhailov, P.N.Usmanov, Ch.Briancon

Nature of Nuclear Collective Modes of Negative Parity

NUCLEAR STRUCTURE ^220,226Ra; calculated levels, B(λ). Octupole bands Coriolis coupling, phenomenological model.

1993AB17      Bull.Rus.Acad.Sci.Phys. 57, 1571 (1993)

A.A.Abdurazakov, Yu.S.Butabaev, K.Ya.Gromov, N.A.Lebedev, R.A.Niyazov, P.N.Usmanov, A.H.Kholmatov, V.G.Chumin

Performance Characteristics of a β-Spectrometer Based on a Position-Sensitive Detector

RADIOACTIVITY ¹⁶⁹Yb(EC); ¹⁶⁷Tm(EC); measured I(ce); deduced device efficiency. Multi-channel β-spectrometer based on position sensitive detector.

1993GR16      Yad.Fiz. 56, No 12, 29 (1993); Phys.Atomic Nuclei 56, 1635 (1993)

K.Ya.Gromov, P.N.Usmanov, A.Kh.Kholmatov, Yu.S.Butabaev, R.A.Niyazov

Nonadiabaticities of Monopole and Quadrupole Transitions in ¹⁵⁶Gd

NUCLEAR STRUCTURE ¹⁵⁶Gd; calculated levels, B(λ), ratios, E0 transition matrix elements. Phenomenological model.

1993GR19      Bull.Rus.Acad.Sci.Phys. 57, 1742 (1993)

K.Ya.Gromov, P.N.Usmanov, A.Kh.Kholmatov, Yu.S.Butabaev, R.A.Niyazov

Coriolis Mixing of Octupole Vibrational Bands in ¹⁵⁶Gd

NUCLEAR STRUCTURE ¹⁵⁶Gd; calculated levels, B(λ), ratios. Phenomenological model.

1993MI18      Bull.Rus.Acad.Sci.Phys. 57, 15 (1993)

I.N.Mikhailov, P.N.Usmanov, A.A.Okhunov, S.Brianson, R.Kulessa

Magnetic Properties of Collective States for ^{156,158,160,162,164}Dy Isotopes

NUCLEAR STRUCTURE ^{156,158,160,162,164}Dy; calculated levels, g(R) factor, B(λ) vs spin, δ. Phenomenological model, Coriolis mixing.

1993MI23      Ann.Phys.(Leipzig) 2, 239 (1993)

I.N.Mikhailov, Ph.N.Usmanov

Influence of Giant Angular Resonances on the Electromagnetic Characteristics of Low-Lying States

NUCLEAR STRUCTURE ^164,166,168Er; calculated levels, B(λ) ratio, δ. Two-rotor model, Feshbach projection operator.

doi: 10.1002/andp.19935050303
Citations: PlumX Metrics

1992GR24      Bull.Rus.Acad.Sci.Phys. 56, 1677 (1992)

K.Ya.Gromov, P.N.Usmanov, A.Kh.Kholmatov, T.A.Islamov, Yu.S.Butabaev, R.A.Niyazov

Octupole State Properties in ¹⁶⁴Er

NUCLEAR STRUCTURE ¹⁶⁴Er; analyzed Eγ, Iγ, B(λ) ratio data; deduced octupole state, J, π, K. Phenomenological model, Coriolis mixing.

1992MI10      Bull.Rus.Acad.Sci.Phys. 56, 114 (1992)

I.N.Mikhailov, P.N.Usmanov, A.A.Okhunov, S.Brianson

Quadrupole Electric Transitions in ^{156,158,160,162,164}Dy Isotopes

NUCLEAR STRUCTURE ^{156,158,160,162,164}Dy; calculated levels, B(λ), δ. Phenomenological model.

1991MI23      Yad.Fiz. 54, 1239 (1991); Sov.J.Nucl.Phys. 54, 753 (1991)

I.N.Mikhailov, P.N.Usmanov

Properties of Positive-Parity States in the Isotopes ^{164,166,168,170}Er

NUCLEAR STRUCTURE ^{164,166,168,170}Er; calculated levels, reduced E2 transition probabilities, δ. Phenomenological nuclear model, Coriolis coupling between bands.

1989BR21      Yad.Fiz. 50, 52 (1989)

Ch.Briancon, I.N.Mikhailov, Ph.N.Usmanov

The Method of Projecting Operators in the Two-Rotor Model

NUCLEAR STRUCTURE ²³⁰Th; calculated B(λ). Two-rotor model, Feshbach projection technique.

1989GR27      Izv.Akad.Nauk SSSR, Ser.Fiz. 53, 858 (1989); Bull.Acad.Sci.USSR, Phys.Ser. 53, No.5, 38 (1989)

K.Ya.Gromov, T.A.Islamov, P.N.Usmanov

Nonadiabatic Effects of Electromagnetic Transitions in ¹⁶⁴Er Nucleus

RADIOACTIVITY ¹⁶⁴Tm [from ¹⁶⁴Yb-decay]; analyzed data. ¹⁶⁴Er deduced levels, B(λ) ratios, δ. Phenomenological model.

1989KU23      Z.Phys. A334, 299 (1989)

R.Kulessa, Ch.Briancon, A.Lefebvre, C.F.Liang, J.P.Thibaud, R.J.Walen, A.Celler, Ch.Lauterbach, J.De Boer, Ch.Mittag, F.Riess, Ch.Schandera, H.Emling, S.Hlavac, R.S.Simon, I.N.Mikhailov, Ph.N.Usmanov

Coulomb Excitation of ²³⁰Th with ³²S, ⁸⁴Kr and ¹⁴²Nd Projectiles

NUCLEAR REACTIONS ²³⁰Th(³²S, ³²S'), E=135 MeV; ²³⁰Th(⁸⁴Kr, ⁸⁴Kr'), E=440 MeV; ²³⁰Th(¹⁴²Nd, ¹⁴²Nd'), E=682 MeV; measured (particle)γ-coin following Coulomb excitation, Eγ, Iγ. ²³⁰Th deduced levels, Iγ, B(λ), band structure.