Nuclear Science References (NSR)

Unified equations of state for cold nonaccreting neutron stars with Brussels-Montreal functionals. III. Inclusion of microscopic corrections to pasta phases

doi: 10.1103/PhysRevC.105.015803
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2021AL06 Phys.Rev. C 103, 025804 (2021)

V.Allard, N.Chamel

Entrainment effects in neutron-proton mixtures within the nuclear energy-density functional theory. II. Finite temperatures and arbitrary currents

doi: 10.1103/PhysRevC.103.025804
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2021PE04 Phys.Rev. C 103, 025801 (2021)

L.Perot, N.Chamel

Role of dense matter in tidal deformations of inspiralling neutron stars and in gravitational waveforms with unified equations of state

doi: 10.1103/PhysRevC.103.025801
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2021PE13 Phys.Rev. C 104, 055801 (2021)

D.Pecak, N.Chamel, P.Magierski, G.Wlazlowski

Properties of a quantum vortex in neutron matter at finite temperatures

doi: 10.1103/PhysRevC.104.055801
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2020CH13 Phys.Rev. C 101, 032801 (2020)

N.Chamel

Analytical determination of the structure of the outer crust of a cold nonaccreted neutron star

NUCLEAR STRUCTURE ⁵⁶Fe, ⁶²Ni; ⁶²Ni, ⁶⁴Ni; ⁶⁴Ni, ⁶⁶Ni; ⁶⁶Ni, ⁸⁶Kr; ⁸⁶Kr, ⁸⁴Se; ⁸⁴Se, ⁸²Ge; ⁸²Ge, ⁸⁰Zn; ⁸⁰Zn, ⁷⁸Ni; ⁷⁸Ni, ¹²⁶Ru; ¹²⁶Ru, ¹²⁴Mo; ¹²⁴Mo, ¹²²Zr; ¹²²Zr, ¹²⁰Sr; ¹²⁰Sr, ¹²²Sr; ¹²²Sr, ¹²⁴Sr; calculated composition, stratification, and location of adjacent pairs of nuclei within the structure of the outer crust of a cold, nonaccreted neutron star using accurate analytical formulas for the transition pressures between adjacent crustal layers and their densities, recent experimental data, and nuclear mass model HFB-27. Relevance to large-scale statistical studies and sensitivity analyses.

doi: 10.1103/PhysRevC.101.032801
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2020CH20 Phys.Rev. C 101, 065802 (2020)

N.Chamel, Zh.K.Stoyanov

Analytical determination of the structure of the outer crust of a cold nonaccreted neutron star: Extension to strongly quantizing magnetic fields

doi: 10.1103/PhysRevC.101.065802
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2020CH24 Phys.Rev. C 102, 015804 (2020)

N.Chamel, A.F.Fantina, J.L.Zdunik, P.Haensel

Experimental constraints on shallow heating in accreting neutron-star crusts

NUCLEAR REACTIONS ¹²C(¹²C, X)²⁴Ne^*,16O(¹⁶O, X)³²Si^*, E not given; calculated maximum possible heat released from electron captures and pycnonuclear fusion reactions triggered by the burial of x-ray burst ashes of pure ⁵⁶Fe or ¹⁰⁶Pd, and released heat deposited in the outer crust of accreting neutron star crusts.

doi: 10.1103/PhysRevC.102.015804
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2020PE01 Phys.Rev. C 101, 015802 (2020)

J.M.Pearson, N.Chamel, A.Y.Potekhin

Unified equations of state for cold nonaccreting neutron stars with Brussels-Montreal functionals. II. Pasta phases in semiclassical approximation

doi: 10.1103/PhysRevC.101.015802
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2020PE02 Phys.Rev. C 101, 015806 (2020)

L.Perot, N.Chamel, A.Sourie

Role of the crust in the tidal deformability of a neutron star within a unified treatment of dense matter

doi: 10.1103/PhysRevC.101.015806
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2019CH52 Phys.Rev. C 100, 065801 (2019)

N.Chamel, V.Allard

Entrainment effects in neutron-proton mixtures within the nuclear energy-density functional theory: Low-temperature limit

doi: 10.1103/PhysRevC.100.065801
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2019MU10 Phys.Rev. C 99, 055805 (2019)

Y.D.Mutafchieva, N.Chamel, Zh.K.Stoyanov, J.M.Pearson, L.M.Mihailov

Role of Landau-Rabi quantization of electron motion on the crust of magnetars within the nuclear energy density functional theory

doi: 10.1103/PhysRevC.99.055805
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2019PE17 Phys.Rev. C 100, 035801 (2019)

L.Perot, N.Chamel, A.Sourie

Role of the symmetry energy and the neutron-matter stiffness on the tidal deformability of a neutron star with unified equations of state

doi: 10.1103/PhysRevC.100.035801
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2016CH53 Phys.Rev. C 94, 065802 (2016)

N.Chamel, A.F.Fantina

Binary and ternary ionic compounds in the outer crust of a cold nonaccreting neutron star

NUCLEAR STRUCTURE ^56,58Fe, ^{62,64,68,78,80}Ni, ⁸⁰Zn, ⁸²Ge, ⁸⁴Se, ⁸⁶Kr, ^120,122,124Sr, ¹²¹Y, ¹²²Zr, ¹²⁴Mo; ⁵⁶Fe+⁶²Ni, ⁶²Ni+⁵⁸Fe, ⁵⁸Fe+⁶⁴Ni, ⁶⁶Ni+⁸⁶Kr, ⁸⁶Kr+⁸⁴Se, ⁸⁴Se+⁸²Ge, ⁸²Ge+⁸⁰Zn, ⁸⁰Zn+⁷⁸Ni, ⁸⁰Ni+¹²⁴Mo, ¹²⁴Mo+¹²²Zr, ¹²²Zr+¹²¹Y, and ¹²¹Y+¹²⁰Sr; calculated mean baryon number densities, transition pressures, and threshold electron Fermi energies for pure body-centered cubic crystals, and binary compounds with simple cubic structure in the outer crust of a cold nonaccreting neutron star, using atomic masses from AME-2012 supplemented with the Brussels-Montreal nuclear mass model HFB-24.

doi: 10.1103/PhysRevC.94.065802
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2016FA02 Phys.Rev. C 93, 015801 (2016)

A.F.Fantina, N.Chamel, Y.D.Mutafchieva, Zh.K.Stoyanov, L.M.Mihailov, and R.L.Pavlov

Role of the symmetry energy on the neutron-drip transition in accreting and nonaccreting neutron stars

ATOMIC MASSES ^{100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,123,124,125,126}Kr, ^{100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,128,129,130}Sr; analyzed difference in mass predictions for two pairs of Brussels-Montreal nuclear mass models. ¹²²Kr, ^{122,124,126,128}Sr; calculated baryon density, and corresponding pressure for neutron-drip transition in the crust of nonaccreting magnetized neutron stars. ^60,64Ca, ^66,68Ti, ⁷⁶Cr, ¹⁰³Ga, ^98,104Ge, ¹⁰⁵As, ¹⁰⁶Se; calculated number of emitted neutrons, baryon density and corresponding pressure, S(n), neutron dip threshold. Role of symmetry energy on neutron-drip transition in accreting and nonaccreting neutron-star crusts. Microscopic nuclear mass models, from HFB-22 to HFB-25, developed by the Brussels-Montreal collaboration.

doi: 10.1103/PhysRevC.93.015801
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2016GO10 Phys.Rev. C 93, 034337 (2016)

S.Goriely, N.Chamel, J.M.Pearson

Further explorations of Skyrme-Hartree-Fock-Bogoliubov mass formulas. XVI. Inclusion of self-energy effects in pairing

ATOMIC MASSES N=8-240; calculated masses for 6884 nuclei using new family of three Hartree-Fock-Bogoliubov (HFB) mass models HFB-30, HFB-31, and HFB-32, and respective interactions, BSk30, BSk31, and BSk32, respectively. New feature of a purely phenomenological pairing term that depends on the density gradient. Best fit to the database of 2353 experimental nuclear masses from AME-2012, and to rms charge-radius data. Relevance to neutron superfluidity in the inner crust of neutron stars.

doi: 10.1103/PhysRevC.93.034337
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2016PE20 Eur.Phys.J. A 52, 320 (2016)

D.Pena Arteaga, S.Goriely, N.Chamel

Relativistic mean-field mass models

NUCLEAR STRUCTURE ¹n, ¹H; calculated effective mass, mass excess vs nucleon density in neutron matter. Compared with DBHF calculations of Roca-Maza. Z≈6-100; calculated mass, mass excess, charge radii, isotopic shift, deformed nuclei moments of inertia. Relativistic mean-field mass model with density-dependent meson couplings and two interactions fitted to experimental data. Compared with available data.

doi: 10.1140/epja/i2016-16320-x
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2015CH21 Acta Phys.Pol. B46, 349 (2015)

N.Chamel, J.M.Pearson, A.F.Fantina, C.Ducoin, S.Goriely, A.Pastore

Brussels-Montreal Nuclear Energy Density Functionals, from Atomic Masses to Neutron Stars

doi: 10.5506/APhysPolB.46.349
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2015CH35 Phys.Rev. C 91, 055803 (2015)

N.Chamel, A.F.Fantina, J.L.Zdunik, P.Haensel

Neutron drip transition in accreting and nonaccreting neutron star crusts

NUCLEAR STRUCTURE ⁵⁶Ar, ^60,64Ca, ^66,68Ti, ⁷⁶Cr, ^98,104,106Ge, ¹⁰⁵As, ¹⁰⁶Se, ^121,124,126Sr; calculated neutron drip transition in the dense matter between the outer and inner crusts of accreting neutron stars using three different microscopic Hartree-Fock-Bogoliubov (HFB) nuclear mass models.

doi: 10.1103/PhysRevC.91.055803
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2015CH38 Phys.Rev. C 91, 065801 (2015)

N.Chamel, Zh.K.Stoyanov, L.M.Mihailov, Y.D.Mutafchieva, R.L.Pavlov, Ch.J.Velchev

Role of Landau quantization on the neutron-drip transition in magnetar crusts

doi: 10.1103/PhysRevC.91.065801
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2015PE02 Phys.Rev. C 91, 018801 (2015)

J.M.Pearson, N.Chamel, A.Pastore, S.Goriely

Role of proton pairing in a semimicroscopic treatment of the inner crust of neutron stars

doi: 10.1103/PhysRevC.91.018801
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2014PA42 Phys.Rev. C 90, 025804 (2014)

A.Pastore, M.Martini, D.Davesne, J.Navarro, S.Goriely, N.Chamel

Linear response theory and neutrino mean free path using Brussels-Montreal Skyrme functionals

doi: 10.1103/PhysRevC.90.025804
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2014PE04 Eur.Phys.J. A 50, 43 (2014)

J.M.Pearson, N.Chamel, A.F.Fantina, S.Goriely

Symmetry energy: nuclear masses and neutron stars

NUCLEAR STRUCTURE Z=10-110; calculated neutron drip line, mass excess, 2n separation energy using HFB nuclear mass models with generalized Skyrme forces.

doi: 10.1140/epja/i2014-14043-8
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2013CH18 Phys.Rev. C 87, 035803 (2013)

N.Chamel, D.Page, S.Reddy

Low-energy collective excitations in the neutron star inner crust

doi: 10.1103/PhysRevC.87.035803
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2013CH35 Int.J.Mod.Phys. E22, 1330018 (2013); Erratum Int.J.Mod.Phys. E22, 1392004 (2013)

N.Chamel, P.Haensel, J.L.Zdunik, A.F.Fantina

On the maximum mass of neutron stars

doi: 10.1142/S021830131330018X
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2013GO11 Phys.Rev. C 88, 024308 (2013)

S.Goriely, N.Chamel, J.M.Pearson

Further explorations of Skyrme-Hartree-Fock-Bogoliubov mass formulas. XIII. The 2012 atomic mass evaluation and the symmetry coefficient

ATOMIC MASSES Z=8-110, N=8-250; calculated masses of 8509 nuclei using five Hartree-Fock-Bogoliubov (HFB) mass models using unconventional Skyrme forces; fitted to the evaluated masses in AME-2012; deduced rms deviations from AME-2012 data, symmetry coefficients, charge radii, neutron skin thickness, shell gaps for Z=50, 82, N=28, 50, 82, 126 nuclei. Comparison with experimental data. Relevance of the mass models to a unified treatment of outer and inner crusts and cores of neutron stars.

doi: 10.1103/PhysRevC.88.024308
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2013GO18 Phys.Rev. C 88, 061302 (2013)

S.Goriely, N.Chamel, J.M.Pearson

Hartree-Fock-Bogoliubov nuclear mass model with 0.50 MeV accuracy based on standard forms of Skyrme and pairing functionals

ATOMIC MASSES Z>7, N>7; calculated masses for 2353 nuclei using Hartree-Fock-Bogoliubov nuclear mass model with Skyrme force BSk27*, and the pairing parameters. Comparison with evaluated mass data in AME-12.

doi: 10.1103/PhysRevC.88.061302
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2013WO06 Phys.Rev.Lett. 110, 041101 (2013)

R.N.Wolf, D.Beck, K.Blaum, Ch.Bohm, Ch.Borgmann, M.Breitenfeldt, N.Chamel, S.Goriely, F.Herfurth, M.Kowalska, S.Kreim, D.Lunney, V.Manea, E.Minaya Ramirez, S.Naimi, D.Neidherr, M.Rosenbusch, L.Schweikhard, J.Stanja, F.Wienholtz, K.Zuber

Plumbing Neutron Stars to New Depths with the Binding Energy of the Exotic Nuclide ⁸²Zn

ATOMIC MASSES ⁸²Zn; measured time-of-flight resonance, mean frequency ratio; deduced mass. ISOLTRAP setup at the ISOLDE-CERN facility.

doi: 10.1103/PhysRevLett.110.041101
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2012CH13 Phys.Rev. C 85, 035801 (2012); Pub.Note Phys.Rev. C 85, 039902 (2012)

N.Chamel

Neutron conduction in the inner crust of a neutron star in the framework of the band theory of solids

doi: 10.1103/PhysRevC.85.035801
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2012CH45 Phys.Rev. C 86, 055804 (2012)

N.Chamel, R.L.Pavlov, L.M.Mihailov, Ch.J.Velchev, Zh.K.Stoyanov, Y.D.Mutafchieva, M.D.Ivanovich, J.M.Pearson, S.Goriely

Properties of the outer crust of strongly magnetized neutron stars from Hartree-Fock-Bogoliubov atomic mass models

doi: 10.1103/PhysRevC.86.055804
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2012PE09 Phys.Rev. C 85, 065803 (2012)

J.M.Pearson, N.Chamel, S.Goriely, C.Ducoin

Inner crust of neutron stars with mass-fitted Skyrme functionals

doi: 10.1103/PhysRevC.85.065803
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2011CH61 Phys.Rev. C 84, 062802 (2011)

N.Chamel, A.F.Fantina, J.M.Pearson, S.Goriely

Masses of neutron stars and nuclei

doi: 10.1103/PhysRevC.84.062802
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2011GO36 J.Korean Phys.Soc. 59, 2100s (2011)

S.Goriely, N.Chamel, J.M.Pearson

HFB Mass Models for Nucleosynthesis Applications

COMPILATION Z≈8-120; calculated Q, mass surfaces using various NN forces, neutron capture rates, abundances.

doi: 10.3938/jkps.59.2100
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2011PE16 Phys.Rev. C 83, 065810 (2011)

J.M.Pearson, S.Goriely, N.Chamel

Properties of the outer crust of neutron stars from Hartree-Fock-Bogoliubov mass models

doi: 10.1103/PhysRevC.83.065810
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2010CH11 Phys.Rev. C 81, 045804 (2010)

N.Chamel, S.Goriely, J.M.Pearson, M.Onsi

Unified description of neutron superfluidity in the neutron-star crust with analogy to anisotropic multiband BCS superconductors

doi: 10.1103/PhysRevC.81.045804
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2010CH24 Phys.Rev. C 82, 014313 (2010)

N.Chamel

Effective contact pairing forces from realistic calculations in infinite homogeneous nuclear matter

doi: 10.1103/PhysRevC.82.014313
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2010CH45 Phys.Rev. C 82, 045804 (2010)

N.Chamel, S.Goriely

Spin and spin-isospin instabilities in asymmetric nuclear matter at zero and finite temperatures using Skyrme functionals

NUCLEAR STRUCTURE Z=8-110, N=8-250; calculated differences between the HFB energies for two Skyrme forces SkI2 and BSk17, critical densities and Landau parameters in neutron matter. Discussed spin and spin-isospin instabilities at zero and finite temperatures for nuclear matter at densities in neutron stars and supernova cores.

doi: 10.1103/PhysRevC.82.045804
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2010CH53 Phys.Rev. C 82, 061307 (2010)

N.Chamel

Self-interaction errors in nuclear energy density functionals

doi: 10.1103/PhysRevC.82.061307
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2010GO23 Phys.Rev. C 82, 035804 (2010)

S.Goriely, N.Chamel, J.M.Pearson

Further explorations of Skyrme-Hartree-Fock-Bogoliubov mass formulas. XII. Stiffness and stability of neutron-star matter

ATOMIC MASSES Z=8-110, N=8-250; calculated masses for 8509 nuclei using three new Hartree-Fock-Bogoliubov (HFB) mass models, HFB-19, HFB-20, and HFB-21 with unconventional Skyrme forces. ²⁰⁸Pb; calculated isoscalar and isovector effective masses as a function of the radial position, and single-particle proton levels.

doi: 10.1103/PhysRevC.82.035804
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2010PE10 Phys.Rev. C 82, 037301 (2010)

J.M.Pearson, N.Chamel, S.Goriely

Breathing-mode measurements in Sn isotopes and isospin dependence of nuclear incompressibility

NUCLEAR STRUCTURE ^{112,114,116,118,120,122,124}Sn; analyzed energies of breathing mode isoscalar giant-monopole resonances (GMR) using a higher-order leptodermous expansion; deduced symmetry-incompressibility coefficient K_τ. Comparison with experimental data.

doi: 10.1103/PhysRevC.82.037301
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2009CH03 Phys.Rev. C 79, 012801 (2009)

N.Chamel, J.Margueron, E.Khan

Neutron specific heat in the crust of neutron stars from the nuclear band theory

NUCLEAR STRUCTURE Z=40, N=160, 210, 280; calculated neutron-specific heat using band theory of solids with Skyrme nucleon-nucleon interaction.

doi: 10.1103/PhysRevC.79.012801
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2009CH63 Phys.Rev. C 80, 065804 (2009)

N.Chamel, S.Goriely, J.M.Pearson

Further explorations of Skyrme-Hartree-Fock-Bogoliubov mass formulas. XI. Stabilizing neutron stars against a ferromagnetic collapse

doi: 10.1103/PhysRevC.80.065804
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2009GO11 Phys.Rev.Lett. 102, 152503 (2009)

S.Goriely, N.Chamel, J.M.Pearson

Skyrme-Hartree-Fock-Bogoliubov Nuclear Mass Formulas: Crossing the 0.6 MeV Accuracy Threshold with Microscopically Deduced Pairing

doi: 10.1103/PhysRevLett.102.152503
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2009GO41 Eur.Phys.J. A 42, 547 (2009)

S.Goriely, N.Chamel, J.M.Pearson

Recent breakthroughs in Skyrme-Hartree-Fock-Bogoliubov mass formulas

ATOMIC MASSES Z=8-110; calculated atomic masses. Comparison with data.

doi: 10.1140/epja/i2009-10784-7
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2008CH24 Nucl.Phys. A812, 72 (2008)

N.Chamel, S.Goriely, J.M.Pearson

Further explorations of Skyrme-Hartree-Fock-Bogoliubov mass formulas. IX: Constraint of pairing force to ¹S₀ neutron-matter gap

NUCLEAR STRUCTURE Z=8-110; calculated S(n), Q(β), charge radii. Global fit to 2149 mass data. Compared Skyrme-Hartree-Fock-Bogoliubov mass models when constraining the contact pairing force.

doi: 10.1016/j.nuclphysa.2008.08.015
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2008ON01 Phys.Rev. C 77, 065805 (2008), Publishers note Phys.Rev. C 78, 059902 (2008)

M.Onsi, A.K.Dutta, H.Chatri, S.Goriely, N.Chamel, J.M.Pearson

Semi-classical equation of state and specific-heat expressions with proton shell corrections for the inner crust of a neutron star

doi: 10.1103/PhysRevC.77.065805
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2007CH44 Phys.Rev. C 75, 055806 (2007)

N.Chamel, S.Naimi, E.Khan, J.Margueron

Validity of the Wigner-Seitz approximation in neutron star crust

doi: 10.1103/PhysRevC.75.055806
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2006CH19 Phys.Rev. C 73, 045802 (2006)

N.Chamel, P.Haensel

Entrainment parameters in a cold superfluid neutron star core