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NSR database version of May 6, 2024.

Search: Author = D.G.Yakovlev

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2014KR02      Phys.Rev. C 89, 015802 (2014)

P.A.Kravchuk, D.G.Yakovlev

Strong plasma screening in thermonuclear reactions: Electron drop model

NUCLEAR REACTIONS ¹²C(¹²C, X), E not given; calculated plasma screening potentials and thermonuclear reaction rates, astrophysical S factor using newly suggested electron drop model. Non-resonant nuclear fusion in dense matter in thermonuclear regime with strong plasma screening.

doi: 10.1103/PhysRevC.89.015802
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2013CH39      Bull.Rus.Acad.Sci.Phys. 77, 890 (2013); Izv.Akad.Nauk RAS, Ser.Fiz 77, 978 (2013)

A.I.Chugunov, A.V.Afanasjev, M.Beard, M.Wiescher, D.G.Yakovlev

Simple approximation of cross sections for nuclear reactions involving Z = 3-12, 14 nuclei

NUCLEAR REACTIONS Be, B, C, N, O, F, Ne, Na, Mg, Si(Be, X), B, C, N, O, F, Ne, Na, Mg, Si(B, X), C, N, O, F, Ne, Na, Mg, Si(C, X), N, O, F, Ne, Na, Mg, Si(N, X), O, F, Ne, Na, Mg, Si(O, X), F, Ne, Na, Mg, Si(F, X), Ne, Na, Mg, Si(Ne, X), Na, Mg, Si(Na, X), Mg, Si(Mg, X), Si(Si, X), E not given; San Paulo potential, below the Coulomb barrier energies.

doi: 10.3103/S1062873813070083
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2012AF01      Phys.Rev. C 85, 054615 (2012)

A.V.Afanasjev, M.Beard, A.I.Chugunov, M.Wiescher, D.G.Yakovlev

Large collection of astrophysical S factors and their compact representation

NUCLEAR REACTIONS Be(Be, X), (B, X), (C, X), (N, X), (O, X), (F, X), (Ne, X), (Na, X), (Mg, X), (Si, X), B(B, X), (C, X), (N, X), (O, X), (F, X), (Ne, X), (Na, X), (Mg, X), (Si, X), C(C, X), (N, X), (F, X), (O, X), (Ne, X), (Na, X), (Mg, X), (Si, X), N(N, X), (O, X), (F, X), (Ne, X), (Na, X), (Mg, X), (Si, X), O(O, X), (F, X), (Ne, X), (Na, X), (Mg, X), (Si, X), F(F, X), (Ne, X), (Na, X), (Mg, X), (Si, X), Ne(Ne, X), (Na, X), (Mg, X), (Si, X), Na(Na, X), (Mg, X), (Si, X), Mg(Mg, X), (Si, X), Si(Si, X), E<39.8 MeV; calculated astrophysical S factors as function of incident energy for A=8-14 Be, A=9-21 for B, A=10-24 for C, A=11-27 for N, A=12-28 for O, A=17-29 for F, A=18-40 for Ne, A=19-43 for Na, A=20-46 for Mg and A=24-52 for Si for a database of 5000 nonresonant fusion reactions. Sao Paulo method and the barrier penetration model. Comparison with experimental data.

doi: 10.1103/PhysRevC.85.054615
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2012PO06      Phys.Rev. C 85, 039801 (2012)

A.Y.Potekhin, D.G.Yakovlev

Comment on "Equation of state of a dense and magnetized fermion system"

doi: 10.1103/PhysRevC.85.039801
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2012SH23      Phys.Rev. C 86, 015808 (2012)

P.S.Shternin, M.Beard, M.Wiescher, D.G.Yakovlev

Neutron degeneracy and plasma physics effects on radiative neutron captures in neutron star crust

NUCLEAR REACTIONS ³⁸Mg(n, γ), E<1.5 MeV; ³⁹Mg(n, γ), E<0.1 MeV; ⁴⁶Mg(n, γ), E<6 MeV; ⁶²Ca(n, γ), E<10 MeV; calculated astrophysical σ(E), R_n ratios (Fermi-Dirac to Maxwell-Boltzmann cross sections), forward and inverse reaction rates in dense stellar medium with consideration of effects of plasma physics and neutron degeneracy in neutron star crust.

doi: 10.1103/PhysRevC.86.015808
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2010BE12      At.Data Nucl.Data Tables 96, 541 (2010)

M.Beard, A.V.Afanasjev, L.C.Chamon, L.R.Gasques, M.Wiescher, D.G.Yakovlev

Astrophysical S factors for fusion reactions involving C, O, Ne, and Mg isotopes

NUCLEAR REACTIONS C(C, X), (O, X), (Ne, X), (Mg, X), O(O, X), (Ne, X), (Mg, X), Ne(Ne, X), (Mg, X), Mg(Mg, X), E≈18-30 MeV MeV; calculated S-factors; deduced reaction rates calculation procedure.

doi: 10.1016/j.adt.2010.02.005
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2010YA19      Phys.Rev. C 82, 044609 (2010)

D.G.Yakovlev, M.Beard, L.R.Gasques, M.Wiescher

Simple analytic model for astrophysical S factors

NUCLEAR REACTIONS ⁴⁶Mg(⁴⁶Mg, X), E=29.9 MeV; ¹²C(¹²C, X), E=1-12 MeV; C(C, X), (O, X), E=2-17.9 MeV; C(Ne, X), (Mg, X), O(O, X), E=2-19.9 MeV; O(Ne, X), (Mg, X), Ne(Ne, X), E=2-21.9 MeV; Ne(Mg, X), E=2-24.9 MeV; Mg(Mg, X), E=2-29.9 MeV; calculated astrophysical S factors using a simple model with physically meaningful parameters. Comparison with experimental data.

doi: 10.1103/PhysRevC.82.044609
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2007GA43      Phys.Rev. C 76, 035802 (2007)

L.R.Gasques, E.F.Brown, A.Chieffi, C.L.Jiang, M.Limongi, C.Rolfs, M.Wiescher, D.G.Yakovlev

Implications of low-energy fusion hindrance on stellar burning and nucleosynthesis

NUCLEAR REACTIONS ¹²C, ¹⁶O(¹⁶O, X), E < 12 MeV; ¹⁶O(¹⁶O, X), E < 15 MeV; analyzed fusion cross sections. Deduced S-factors at astrophysical energies.

doi: 10.1103/PhysRevC.76.035802
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2007GA50      Phys.Rev. C 76, 045802 (2007)

L.R.Gasques, A.V.Afanasjev, M.Beard, J.Lubian, T.Neff, M.Wiescher, D.G.Yakovlev

Sao Paulo potential as a tool for calculating S factors of fusion reactions in dense stellar matter

NUCLEAR REACTIONS ¹⁶O(¹⁶O, X), E(cm)=0-20 MeV; ²⁰O(²⁰O, X), E=0-28 MeV; ²⁰O(²⁶Ne, X), E=0-20 MeV; ²⁰O(³²Mg, X), E=0-24 MeV; ²⁶Ne(²⁶Ne, X), E=0-24 MeV; ²⁶Ne(³²Mg, X), E=0-28 MeV; ³²Mg(³²Mg, X), E=0-28 MeV; ²²O(²²O, X), E=0-20 MeV; ²⁴O(²⁴O, X), E(cm)=0-20 MeV; calculated astrophysical S-factors for fusion reactions. Sao Paulo potential.

doi: 10.1103/PhysRevC.76.045802
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2006YA14      Phys.Rev. C 74, 035803 (2006)

D.G.Yakovlev, L.R.Gasques, A.V.Afanasjev, M.Beard, M.Wiescher

Fusion reactions in multicomponent dense matter

NUCLEAR REACTIONS ¹²C, ¹⁶O(¹²C, X), (¹⁶O, X), E(cm)=0-20 MeV; calculated astrophysical S-factors, fusion rates in dense matter.

doi: 10.1103/PhysRevC.74.035803
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2005GA33      Phys.Rev. C 72, 025806 (2005)

L.R.Gasques, A.V.Afanasjev, E.F.Aguilera, M.Beard, L.C.Chamon, P.Ring, M.Wiescher, D.G.Yakovlev

Nuclear fusion in dense matter: Reaction rate and carbon burning

NUCLEAR REACTIONS ¹²C(¹²C, ¹²C), E(cm)=6-10 MeV; calculated σ(θ). ¹²C(¹²C, X), E(cm) ≈ 0-10 MeV; calculated astrophysical S-factor, fusion rate in dense matter.

doi: 10.1103/PhysRevC.72.025806
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2005YA09      Nucl.Phys. A752, 590c (2005)

D.G.Yakovlev, O.Y.Gnedin, M.E.Gusakov, A.D.Kaminker, K.P.Levenfish, A.Y.Potekhin

Neutron star cooling

doi: 10.1016/j.nuclphysa.2005.02.061
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2005YA29      Eur.Phys.J. A 25, Supplement 1, 669 (2005)

D.G.Yakovlev, K.P.Levenfish, O.Y.Gnedin

Pycnonuclear reactions in dense stellar matter

doi: 10.1140/epjad/i2005-06-093-1
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1995GN01      Nucl.Phys. A582, 697 (1995)

O.Y.Gnedin, D.G.Yakovlev

Thermal Conductivity of Electrons and Muons in Neutron Star Cores

doi: 10.1016/0375-9474(94)00503-F
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1993VE11      At.Data Nucl.Data Tables 55, 233 (1993)

D.A.Verner, D.G.Yakovlev, I.M.Band, M.B.Trzhaskovskaya

Subshell Photoionization Cross Sections and Ionization Energies of Atoms and Ions from He to Zn

ATOMIC PHYSICS Z=4-30; calculated subshell partial photoionization σ.

doi: 10.1006/adnd.1993.1022
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1985MA61      Izv.Akad.Nauk SSSR, Ser.Fiz. 49, 2150 (1985); Bull.Acad.Sci.USSR, Phys.Ser. 49, No.11, 61 (1985)

L.A.Malov, D.G.Yakovlev

Calculation of the Neutron s-Wave Strength Function in the Odd Yb, Hf, W and Os Isotopes

NUCLEAR STRUCTURE ^175,177Yb, ^179,181Hf, ^181,183,185W, ¹⁸⁷Os; calculated s-wave strength function.

1985MA62      Izv.Akad.Nauk SSSR, Ser.Fiz. 49, 2187 (1985); Bull.Acad.Sci.USSR, Phys.Ser. 49, No.11, 97 (1985)

L.A.Malov, D.G.Yakovlev

Calculation of the Neutron s-Wave Strength Function of the Even Hf and W Isotopes

NUCLEAR STRUCTURE ^178,180Hf, ^182,184W; calculated s-wave neutron strength function. Quasiparticle-phonon model.