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NSR database version of April 26, 2024.

Search: Author = A.Nikolaev

Found 13 matches.

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2021AA03      Eur.Phys.J. A 57, 118 (2021)

G.Aarts, A.Nikolaev

Electrical conductivity of the quark-gluon plasma: perspective from lattice QCD

doi: 10.1140/epja/s10050-021-00436-5
Citations: PlumX Metrics

2021AS02      Eur.Phys.J. A 57, 15 (2021)

N.Astrakhantsev, V.V.Braguta, A.Yu.Kotov, D.D.Kuznedelev, A.A.Nikolaev

Lattice study of QCD at finite chiral density: topology and confinement

doi: 10.1140/epja/s10050-020-00326-2
Citations: PlumX Metrics

2019BI08      Phys.Rev. C 100, 064603 (2019)

A.V.Bibikov, A.V.Nikolaev, E.V.Tkalya

Estimation of the decay rate of 7Be and 7Be2 encapsulated in C70

RADIOACTIVITY 7Be(EC); calculated electron densities and decay rates of 7Be in different environments: 7Be isolated atom, 7Be in C36, C60 and C70 fullerenes, 7Be2 in C70 fullerene, 7BeO, 7Be metal and 7Be2+ using ab initio quantum-mechanical Hartree-Fock theory, with second order correction to the total energy within the Moller-Plesset perturbation theory (MP2).

doi: 10.1103/PhysRevC.100.064603
Citations: PlumX Metrics

2016BO23      Nucl.Phys. A956, 809 (2016)

V.Bornyakov, D.Boyda, V.Goy, A.Molochkov, A.Nakamura, A.Nikolaev, V.I.Zakharov

Lattice QCD for Baryon Rich Matter-Beyond Taylor Expansions

doi: 10.1016/j.nuclphysa.2016.02.070
Citations: PlumX Metrics

2016TK01      Phys.Rev. C 94, 014323 (2016)

E.V.Tkalya, A.V.Nikolaev

Magnetic hyperfine structure of the ground-state doublet in highly charged ions 229Th89+, 87+ and the Bohr-Weisskopf effect

ATOMIC PHYSICS 229,229mTh; calculated magnetic hyperfine (MHF) structure of the doublet consisting of 5/2+ ground-state and 3/2+ 7.8-eV isomeric state in highly ionized 229Th89+ and 229Th87+, radiative widths and times between sublevels of the MHF structure, B(M1). The ab initio numerical calculations inside and outside the nuclear region within the density functional method (DFT).

doi: 10.1103/PhysRevC.94.014323
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2014BI09      Phys.Rev. C 90, 019802 (2014)

A.V.Bibikov, A.V.Avdeenkov, I.V.Bodrenko, A.V.Nikolaev, E.V.Tkalya

Reply to "Comment on 'Theoretical study of the pressure effect on the electron-capture β decay of 7Be in 7BeO and 7Be(OH)2'"

RADIOACTIVITY 7Be(EC); discussed rate of increase in nuclear decay constant Λ in 7BeO with pressure, and comparison with experimental data. Hartree-Fock calculations.

doi: 10.1103/PhysRevC.90.019802
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2014NI06      Eur.Phys.J. A 50, 58 (2014)

A.Nikolaev, for the Crystal Ball at MAMI, TAPS and A2 Collaborations

Determination of the Formula mass with the Crystal Ball at MAMI-B

NUCLEAR REACTIONS 1H(γ, η), E=700-730 MeV; measured reaction products; deduced η-meson σ, mass. Compared with other measurements.

doi: 10.1140/epja/i2014-14058-1
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2013BA28      Phys.Lett. B 723, 71 (2013)

P.A.Bartolome, A.Mushkarenkov, J.Ahrens, J.R.M.Annand, H.-J.Arends, R.Beck, V.Bekrenev, H.Berghauser, A.Braghieri, W.J.Briscoe, S.N.Cherepnya, S.Costanza, P.Drexler, L.V.Filkov, A.Fix, G.Giardina, D.I.Glazier, D.Hamilton, E.Heid, W.Heil, D.Hornidge, D.Howdle, I.Jaegle, O.Jahn, T.Jude, V.L.Kashevarov, I.Keshelashvili, R.Kondratiev, M.Korolija, J.Krimmer, B.Krusche, S.Kruglov, A.Kulbardis, V.Lisin, K.Livingston, J.Mancell, D.G.Middleton, I.J.D.MacGregor, D.M.Manley, J.C.McGeorge, V.Metag, B.M.K.Nefkens, A.Nikolaev, M.Oberle, M.Ostrick, H.Ortega, P.B.Otte, B.Oussena, P.Pedroni, F.Pheron, S.Prakhov, A.Polonski, F.Rigamonti, M.Romaniuk, G.Rosner, T.Rostomyan, S.Schumann, D.Sober, A.Starostin, I.Supek, M.Thiel, A.Thomas, M.Unverzagt, D.Watts, D.Werthmuller

First measurement of the helicity dependence of 3He photoreactions in the Δ(1232) resonance region

NUCLEAR REACTIONS 3He(γ, X), (γ, π0), (γ, π+), (γ, π-), (γ, 2p), E=150-500 MeV; measured reaction products, Eγ, Iγ; deduced total σ, unpolarized σ, polarized σ. Large acceptance Crystal Ball spectrometer.

doi: 10.1016/j.physletb.2013.04.057
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2013BI11      Phys.Rev. C 88, 034608 (2013)

A.V.Bibikov, A.V.Avdeenkov, I.V.Bodrenko, A.V.Nikolaev, E.V.Tkalya

Theoretical study of the pressure effect on the electron-capture β decay of 7Be in 7BeO and 7Be(OH)2

RADIOACTIVITY 7Be(EC); calculated rates of increase of nuclear decay constant as function of pressure in 7BeO and 7Be(OH)2 compounds; discussed reasons for disagreement with experimental data. Possible phase transitions in compounds. Ab initio quantum mechanical methods based on the Hartree-Fock approach.

doi: 10.1103/PhysRevC.88.034608
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2013TH10      Eur.Phys.J. A 49, 132 (2013)

M.Thiel, V.Metag, P.Aguar-Bartolome, L.K.Akasoy, J.R.M.Annand, H.J.Arends, K.Bantawa, R.Beck, V.Bekrenev, H.Berghauser, A.Braghieri, W.J.Briscoe, J.Brudvik, S.Cherepnya, M.Dieterle, E.J.Downie, P.Drexler, L.V.Filkov, S.Friedrich, D.I.Glazier, R.Gregor, E.Heid, D.Hornidge, O.Jahn, T.C.Jude, V.L.Kashevarov, I.Keshelashvili, R.Kondratiev, M.Korolija, M.Kotulla, B.Krusche, A.Kulbardis, B.Lemmer, V.Lisin, K.Livingston, S.Lugert, I.J.D.MacGregor, Y.Maghrbi, J.Mancell, D.M.Manley, M.Martinez, J.C.McGeorge, E.F.McNicoll, D.G.Middleton, A.Mushkarenkov, M.Nanova, B.M.K.Nefkens, A.Nikolaev, R.W.Novotny, M.Ostrick, P.Pedroni, F.Pheron, A.Polonski, S.N.Prakhov, J.Robinson, G.Rosner, T.Rostomyan, S.Schumann, M.H.Sikora, A.Starostin, I.Supek, A.Thomas, M.Unverzagt, D.P.Watts, J.Weil, D.Werthmuller, I.Zamboni

In-medium modifications of the ω meson near the production threshold

doi: 10.1140/epja/i2013-13132-6
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2012PH03      Phys.Lett. B 709, 21 (2012)

F.Pheron, J.Ahrens, J.R.M.Annand, H.J.Arends, K.Bantawa, P.A.Bartolome, R.Beck, V.Bekrenev, H.Berghauser, B.Boillat, A.Braghieri, D.Branford, W.J.Briscoe, J.Brudvik, S.Cherepnya, B.Demissie, M.Dieterle, E.J.Downie, P.Drexler, D.I.Glazier, E.Heid, L.V.Filkov, D.Hornidge, D.Howdle, O.Jahn, I.Jaegle, T.C.Jude, V.L.Kashevarov, I.Keshelashvili, R.Kondratiev, M.Korolija, M.Kotulla, A.Kulbardis, S.P.Kruglov, B.Krusche, V.Lisin, K.Livingston, I.J.D.Macgregor, Y.Maghrbi, J.Mancell, D.M.Manley, Z.Marinides, M.Martinez, J.C.Mcgeorge, E.Mcnicoll, D.Mekterovic, V.Metag, S.Micanovic, D.G.Middleton, A.Mushkarenkov, B.M.K.Nefkens, A.Nikolaev, R.Novotny, M.Oberle, M.Ostrick, B.Oussena, P.Pedroni, A.Polonski, S.N.Prakhov, J.Robinson, G.Rosner, T.Rostomyan, S.Schumann, M.H.Sikora, D.I.Sober, A.Starostin, I.Supek, M.Thiel, A.Thomas, M.Unverzagt, D.P.Watts, D.Werthmuller, L.Witthauer, F.Zehr

Coherent photoproduction of η-mesons off 3He - search for η-mesic nuclei

NUCLEAR REACTIONS 3He(γ, η), E=597.8-695.1 MeV; measured products, 3He; deduced σ, σ(E), σ(θ). Data were imported from EXFOR entry G0031.

doi: 10.1016/j.physletb.2012.01.075
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetG0031.

2012TK02      Phys.Rev. C 86, 014608 (2012)

E.V.Tkalya, A.V.Avdeenkov, A.V.Bibikov, I.V.Bodrenko, A.V.Nikolaev

Electron capture β decay of 7Be located inside and outside the C36 fullerene

RADIOACTIVITY 7Be(EC); calculated electron densities, half-lives as a function of temperature (5 K and 293 K), ground-state energies, energy minima and equilibrium geometries of 7Be located inside and outside of C36 and C60 fullerene complexes using the Hartree-Fock method with electron correlation treatment according to MP2 or SDCI.

doi: 10.1103/PhysRevC.86.014608
Citations: PlumX Metrics

2006NI07      Acta Phys.Slovaca 56, 397 (2006)

A.Nikolaev, for the A2 and Crystal Ball at MAMI Collaborations

Status of the η mass measurement with the Crystal Ball at MAMI

NUCLEAR REACTIONS 1H(γ, X), E=674-728 MeV; measured η-meson production invariant mass spectra.

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Note: The following list of authors and aliases matches the search parameter A.Nikolaev: , A.A.NIKOLAEV, A.V.NIKOLAEV