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NSR database version of April 26, 2024.

Search: Author = O.Achakovskiy

Found 7 matches.

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2018LA07      Phys.Rev. C 97, 054329 (2018)

A.C.Larsen, J.E.Midtbo, M.Guttormsen, T.Renstrom, S.N.Liddick, A.Spyrou, S.Karampagia, B.A.Brown, O.Achakovskiy, S.Kamerdzhiev, D.L.Bleuel, A.Couture, L.Crespo Campo, B.P.Crider, A.C.Dombos, R.Lewis, S.Mosby, F.Naqvi, G.Perdikakis, C.J.Prokop, S.J.Quinn, S.Siem

Enhanced low-energy γ-decay strength of ⁷⁰Ni and its robustness within the shell model

RADIOACTIVITY ⁷⁰Co(β^-)[from ⁹Be(⁸⁶Kr, X), E=140 MeV/nucleon followed by fragment separation using A1900 fragment separator at NSCL-MSU]; measured Eγ, Iγ, summed γ energies, β^-γ-coin using double-sided silicon strip detector (DSSD) for electrons placed in the center of the Summing NaI (SuN) total absorption spectrometer for γ radiation. ⁷⁰Ni; deduced nuclear level density (NLD) and γ-strength function (γSF) using β-Oslo method. Comparison with previous experimental results, and with HFB+c calculations.

NUCLEAR STRUCTURE ⁷⁰Ni; calculated levels, J, π, B(E2), level densities, γSF, summed γSF, and M1 γ strengths for A=56-76 Ni isotopes. Quasiparticle time-blocking approximation and large-scale shell-model calculations with CA48MH1G and JUN45 interactions. Comparison with experimental results.

doi: 10.1103/PhysRevC.97.054329
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2016AC03      JETP Lett. 104, 374 (2016)

O.I.Achakovskiy, S.P.Kamerdzhiev, V.I.Tselyaev

Radiative strength function and the pygmy dipole resonance in ²⁰⁸Pb and ⁷⁰Ni

NUCLEAR REACTIONS ²⁰⁸Pb, ⁷⁰Ni(γ, X), (³He, ³He'), E<10 MeV; analyzed available data; ²⁰⁸Pb, ⁷⁰Ni. deduced the pygmy-resonance parameters and the E1 strength function.

doi: 10.1134/S0021364016180053
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2016AC04      Bull.Rus.Acad.Sci.Phys. 80, 572 (2016)

O.I.Achakovskiy, S.S.Belyshev, L.Z.Dzhilavyan, Yu.N.Pokotilovski

Cross sections of the reactions ¹⁴N(γ, 2n)¹²N, ¹⁴N(γ, 2p)¹²B, and ¹³C(γ, p)¹²B

doi: 10.3103/S1062873816030035
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2016KA64      Phys.Atomic Nuclei 79, 567 (2016)

S.P.Kamerdzhiev, O.I.Achakovskiy, A.V.Avdeenkov, S.Goriely

On microscopic theory of radiative nuclear reaction characteristics

NUCLEAR REACTIONS ⁷²Ni(γ, x), E=5-14 MeV; calculated photoabsorption σ. ^115,119Sn(n, γ)(n, γ), E=0.007-10 MeV;¹²¹Sn, ²⁰⁸Pb(n, γ), E=0.001-10 MeV; calculated σ. ⁶⁷Ni, ^117,119Sn(n, γ), E≈50, 560 keV; calculated γ multiplicity, σ(Εγ). Different approaches and data and some results taken from publications.

NUCLEAR STRUCTURE ^58,68,72Ni; calculated pygmy dipole resonance energy, fraction of EWSR. ¹³²Sn, ²⁰⁸Pb; calculated E1 photon strength function. ^{58,60,62,68,72}Ni;^{110,112,116,118,120,122,124,132,136}Sn, ²⁰⁸Pb; calculated γ radiative width Γ_γ for s-wave neutrons. Different approaches and data and some results taken from publications.

doi: 10.1134/S106377881604013X
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2015AC01      Phys.Rev. C 91, 034620 (2015)

O.Achakovskiy, A.Avdeenkov, S.Goriely, S.Kamerdzhiev, S.Krewald

Impact of phonon coupling on the photon strength function

NUCLEAR STRUCTURE ^{110,112,116,118,120,122,124,132,136}Sn, ^58,62,68,72Ni; calculated E1 strength function, average radiative width. QRPA, quasiparticle time blocking approximation. Comparison with experimental data.

NUCLEAR REACTIONS ^115,119Sn(n, γ), E=0.007-10 MeV; calculated σ(E).QRPA, Quasiparticle time blocking approximation. Comparison with experimental data.

doi: 10.1103/PhysRevC.91.034620
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2014AC01      Eur.Phys.J. A 50, 6 (2014)

O.I.Achakovskiy, S.P.Kamerdzhiev, E.E.Saperstein, S.V.Tolokonnikov

Magnetic moments of odd-odd spherical nuclei

NUCLEAR STRUCTURE ^14,15,16N, ^15,17O, ^16,17,18,19F, ^38,39,40K, ^39,41Ca, ^40,42Sc, ^40,41,42Sc, ^{54,55,56,57,58,59,60,61}Co, ^{55,56,57,58,59,61}Ni, ^56,57,58Cu, ⁸⁷Kr, ^89,91Zr, ⁸⁹Y, ^87,90,91Nb, ^91,93Mo, ^93,94Tc, ⁹⁵Ru, ^{105,107,109,111,131,132}In, ^{107,111,113,115,123,125,127,132,133}Sn, ^{113,115,117,123,125,126,127,128,129,132,133,134}Sb, ^135,137Xe, ^136,137,138Cs, ^137,139Ba, ^138,139,140La, ^139,141Ce, ¹⁴³Nd, ^141,142Pr, ^143,145,147Sm, ^144,145,146Eu, ¹⁴⁷Gd, ^{191,193,195,197,199,201,203,205,206,208}Tl, ^{193,195,197,199,201,203,205,207,209,211}Pb, ^{201,202,203,204,205,206,207,208,209,210,211,212}Bi, ²¹¹Rn, ²¹³Ra, ^212,213Fr; calculated ground state and excited state μ. Compared with other calculations and available data. ⁵⁸Co, ^106,110In, ¹²⁴Sb, ^{194,196,198,200,202,204}Tl; calculated ground state μ obtained by mixing of two configurations. Compared to data. ^{55,56,57,59,60}Co, ^57,61Ni; calculated μ. Compared with published shell model calculations. Self-consistent TFFS (Theory of Finite Fermi Systems).

doi: 10.1140/epja/i2014-14006-1
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2014SA54      Phys.Atomic Nuclei 77, 1033 (2014)

E.E.Saperstein, O.I.Achakovskiy, S.P.Kamerdzhiev, S.Krewald, J.Speth, S.V.Tolokonnikov

Phonon coupling effects in magnetic moments of magic and semimagic nuclei

NUCLEAR STRUCTURE ^{188,190,192,194,196,198,200,202,204,206,207,208,209}Pb, ^{187,189,191,193,195,197,199,201,203,205,207}Tl, ²⁰⁹Bi, ^{100,102,104,106,108,110,112,114,116,118,120,122,124,126,128,130,132,134}Sn, ^{105,107,109,111,113,115,117,119,121,123,125,127}In, ^{115,117,119,121,123,125,127,129,131,133}Sb; calculated energy levels, J, π, magnetic moments, B(E2). Comparison with experimental data.

doi: 10.1134/S1063778814080122
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Note: The following list of authors and aliases matches the search parameter O.Achakovskiy: , O.I.ACHAKOVSKIY