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NSR database version of April 27, 2024.

Search: Author = V.A.Rachkov

Found 9 matches.

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2022TE01      Eur.Phys.J. A 58, 52 (2022)

M.S.Tezekbayeva, A.V.Yeremin, A.I.Svirikhin, A.Lopez-Martens, M.L.Chelnokov, V.I.Chepigin, A.V.Isaev, I.N.Izosimov, A.V.Karpov, A.A.Kuznetsova, O.N.Malyshev, R.S.Mukhin, A.G.Popeko, Yu.A.Popov, V.A.Rachkov, B.S.Sailaubekov, E.A.Sokol, K.Hauschild, H.Jacob, R.Chakma, O.Dorvaux, M.Forge, B.Gall, K.Kessaci, B.Andel, S.Antalic, A.Bronis, P.Mosat

Study of the production and decay properties of neutron-deficient nobelium isotopes

RADIOACTIVITY ^{249,250,250m,251}No(α)[from ²⁰⁴Pb(⁴⁸Ca, xn), E=225.2, 230.0, 237.0, 242.0, 246.0 MeV]; ²⁴⁵Fm, ²⁴⁵Es, ²⁴¹Cf(α)[from ²⁴⁹No α decay]; measured decay products, Eα, Iα, (evaporation residues)α-corelations using SHELS separator and the GABRIELA detector system at FLNR-JINR-Dubna; deduced T_1/2, production σ for ²⁴⁹No, an upper limit on the fission branch. ²⁴⁵Fm(EC), (β⁺); deduced branching ratio for ϵ+β⁺ decay mode. Comparison with previous experimental results.

doi: 10.1140/epja/s10050-022-00707-9
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2016KA04      Phys.Rev. C 93, 019801 (2016)

A.V.Karpov, V.A.Rachkov, V.I.Zagrebaev

Comment on "Compound nucleus aspect of sub-barrier fusion: A new energy scaling behavior"

NUCLEAR REACTIONS ¹⁴N(¹²N, X), ⁵⁸Ni(³⁰Si, X), ⁶⁴Ni(⁶⁴Ni, X), ¹¹²Sn(⁴⁰Ar, X), ^144,154Sm, ²⁰⁸Pb(¹⁶O, X), ²⁰⁸Pb(¹⁹F, X), (¹⁷F, X), ⁴⁸Ca(⁴⁸Ca, X), ⁴⁰Ca, ⁹⁶Zr(⁴⁰Ca, X), ⁵⁸Ni(⁶⁴Ni, X), E(cm)/V_B=0.92-1.04; analyzed σ(fusion) and compared with experimental data; discussed failure of the scaling of fusion cross sections based on Q-value rule proposed by 2013Wo04 (Phys. Rev. C 88, 041603(R)), and need to include dynamical factors affecting the fusion cross sections.

doi: 10.1103/PhysRevC.93.019801
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2016KA57      Phys.Atomic Nuclei 79, 749 (2016)

V.Karpov, A.S.Denikin, A.P.Alekseev, V.I.Zagrebaev, V.A.Rachkov, M.A.Naumenko, V.V.Saiko

NRV web knowledge base on low-energy nuclear physics

doi: 10.1134/S1063778816040141
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2015KA51      Phys.Rev. C 92, 064603 (2015)

A.V.Karpov, V.A.Rachkov, V.V.Samarin

Quantum coupled-channels model of nuclear fusion with a semiclassical consideration of neutron rearrangement

NUCLEAR REACTIONS ^90,94,96Zr(⁴⁰Ca, X), E(cm)=82-111 MeV; ^90,94,96Zr(³²S, X), E(cm)=68-98 MeV; ¹⁰⁰Mo(⁶⁰Ni, X), (⁶⁴Ni, X), E(cm)=120-165 MeV; calculated fusion σ(E) and barrier distribution functions using quantum coupled-channels (QCC) approach with empirical neutron rearrangement (ENR) for neutron transfer channels. Comparison to experimental data.

doi: 10.1103/PhysRevC.92.064603
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2014RA13      Phys.Rev. C 90, 014614 (2014)

V.A.Rachkov, A.V.Karpov, A.S.Denikin, V.I.Zagrebaev

Examining the enhancement of sub-barrier fusion cross sections by neutron transfer with positive Q values

NUCLEAR REACTIONS ^58,60Ni(¹⁶O, xn), E(cm)=25-41 MeV; ⁶⁴Zn(α, xn), (⁶He, xn), E(cm)=15-40 MeV; ⁷⁴Ge(¹⁸O, xn), ⁷⁶Ge(¹⁶O, xn), E(cm)=30-50 MeV; ^90,96Zr(⁴⁰Ca, xn), E(cm)=86-108 MeV; ¹⁰⁰Mo(⁶⁰Ni, xn), (⁶⁴Ni, xn), E(cm)=120-160 MeV; ¹³⁰Te(⁵⁸Ni, xn), (⁶⁴Ni, xn), E(cm)=155-194 MeV; ¹⁵⁴Sm(¹⁶O, xn), E(cm)=52-70 MeV; ²⁰⁹Bi(α, xn), (⁶He, xn), E(cm)=15-40 MeV; analyzed experimental data for fusion σ(E) for 0n-6n transfer channels using empirical coupled channel (ECM) along with semiclassical model for neutron transfer in sub-barrier fusion of heavy ions. Discussed Mechanism of neutron rearrangement in sub-barrier fusion reactions.

doi: 10.1103/PhysRevC.90.014614
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2014RA25      Bull.Rus.Acad.Sci.Phys. 78, 1117 (2014); Izv.Akad.Nauk RAS, Ser.Fiz 78, 1381 (2014)

V.A.Rachkov, A.V.Karpov, A.S.Denikin, V.I.Zagrebaev

Does neutron rearrangement enhance the cross sections of the subbarrier fusion of atomic nuclei?

NUCLEAR REACTIONS ^90,96Zr(⁴⁰Ca, X), ¹³⁰Te(⁵⁸Ni, X), (⁶⁴Ni, X), ¹⁰⁰Mo(⁶⁰Ni, X), (⁶⁴Ni, X), E(cm)<160 MeV; calculated fusion σ. Comparison with available data.

doi: 10.3103/S1062873814110227
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2013RA06      Bull.Rus.Acad.Sci.Phys. 77, 411 (2013); Izv.Akad.Nauk RAS, Ser.Fiz 77, 458 (2013)

V.A.Rachkov, A.Adel, A.V.Karpov, A.S.Denikin, V.I.Zagrebaev

Effect of Neutron Transfer Channels in Fusion Reactions with Weakly Bound Nuclei at Subbarrier Energies

NUCLEAR REACTIONS ²⁰⁹Bi(⁷Li, X), ^206,208Pb(⁹Li, X), (¹¹Li, X), ¹⁵²Sm(⁶Li, X), (⁷Li, X), (⁹Li, X), (¹¹Li, X), E(cm)<40 MeV; calculated fusion σ. Empirical coupled-channel model, comparison with available data.

doi: 10.3103/S1062873813040199
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2012AD01      Nucl.Phys. A876, 119 (2012)

A.Adel, V.A.Rachkov, A.V.Karpov, A.S.Denikin, M.Ismail, W.M.Seif, A.Y.Ellithi

Effect of neutron rearrangement on subbarrier fusion reactions

NUCLEAR REACTIONS ⁷Li(⁵⁴Cr, X), ⁹Li(⁵²Cr, X), E(cm)=7-14 MeV;¹¹Li(⁵⁰Cr, X), E(cm)=5-14 MeV;¹⁶O(⁵²Cr, X), ¹⁸O(⁵⁰Cr, X), E(cm)=24-30 MeV;¹⁶O(¹¹⁶Sn, X), ¹⁸O(¹¹⁴Sn, X), E(cm)=45-63 MeV;³²S(⁵⁸Ni, X), (⁶⁴Ni, X), E(cm)=52-74 MeV;⁴⁰Ca(⁴⁸Ca, X), E(cm)=46-58 MeV;⁴⁰Ca(¹²⁴Sn, X), E(cm)=106-130 MeV;⁴⁸Ca(⁵⁰Cr, X), ⁴⁴Ca(⁵⁴Cr, X), E(cm)=56-66 MeV;⁵⁸Ni(⁵⁸Ni, X), (⁶⁴Ni, X), E(cm)=88-114 MeV; calculated fusion σ using empirical channel coupling with neutron transfer.

doi: 10.1016/j.nuclphysa.2012.01.004
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2012RA30      Bull.Rus.Acad.Sci.Phys. 76, 1070 (2012); Izv.Akad.Nauk RAS, Ser.Fiz 76, 1195 (2012)

V.A.Rachkov, A.S.Denikin

Radiative capture reactions with the participation of weakly bound light nuclei

NUCLEAR REACTIONS ⁶Li(p, γ), E(cm)<6 MeV; ¹H(⁶He, t), E(cm)=5.5 MeV; ¹H(⁶He, γ), E(cm)<1 MeV; analyzed available data; deduced σ, σ(θ), optical model parameters. Comparison with experimental data.

doi: 10.3103/S1062873812040296
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Note: The following list of authors and aliases matches the search parameter V.A.Rachkov: , V.A.RACHKOV