NSR Query Results
Output year order : Descending NSR database version of May 3, 2024. Search: Author = S.Cwiok Found 47 matches. 2005CW01 Eur.Phys.J. A 23, 387 (2005) S.Cwiok, W.Dudek, P.Kaszynski, W.Nazarewicz Shell energy in the heaviest nuclei using the Green's function oscillator expansion method NUCLEAR STRUCTURE 310126, 262Sg, 270Hs; Z=82-128; calculated shell correction energies. 252,254,256,258,260,262,264,266,268,270,272,274,276,278,280,282,284,286,288,290,292Hs; calculated shell correction energies, deformation, two-neutron separation energies. Strutinsky smoothing, Green's function approach.
doi: 10.1140/epja/i2004-10111-0
2005CW02 Nature(London) 433, 705 (2005) S.Cwiok, P.-H.Heenen, W.Nazarewicz Shape coexistence and triaxiality in the superheavy nuclei NUCLEAR STRUCTURE Z=92-128; calculated deformation parameters, Qα for even-even nuclides. 294120, 290Og, 286,292Lv, 288Fl, 284Cn; calculated potential energy surfaces. Self-consistent approach.
doi: 10.1038/nature03336
2005DU10 Int.J.Mod.Phys. E14, 377 (2005) Fission barriers in the heaviest nuclei using the Green's function oscillator expansion method NUCLEAR STRUCTURE 260Rf, 270Hs, 276Cn; calculated potential energy vs β2 along fission path; deduced fission barrier heights, single-particle continuum effects. 276Cn; calculated shell correction energy vs β2 along fission path. Green's function oscillator expansion method.
doi: 10.1142/S0218301305003156
2003SA02 Eur.Phys.J. A 16, 51 (2003) M.Sawicka, J.M.Daugas, H.Grawe, S.Cwiok, D.L.Balabanski, R.Beraud, C.Bingham, C.Borcea, M.La Commara, G.de France, G.Georgiev, M.Gorska, R.Grzywacz, M.Hass, M.Hellstrom, Z.Janas, M.Lewitowicz, H.Mach, I.Matea, G.Neyens, C.O'Leary, F.de Oliveira Santos, R.D.Page, M.Pfutzner, Zs.Podolyak, K.Rykaczewski, M.Stanoiu, J.Zylicz Isomeric decay of 67Fe -- Evidence for deformation RADIOACTIVITY 67mFe(IT) [from 9Be(76Ge, X)]; measured Eγ, Iγ, T1/2. 67Fe deduced isomeric level energy, possible J, π, deformation, configuration. Mass separator, comparisons with model predictions.
doi: 10.1140/epja/i2002-10073-1
2002NA18 Nucl.Phys. A701, 165c (2002) W.Nazarewicz, M.Bender, S.Cwiok, P.H.Heenen, A.T.Kruppa, P.-G.Reinhard, T.Vertse Theoretical Description of Superheavy Nuclei NUCLEAR STRUCTURE 257No, 261Rf, 265Sg, 269Hs, 271Ds, 277Cn; calculated levels, J, π, Qα. Z=120; calculated neutron shell correction energies. Skyrme-Hartree-Fock and relativistic mean-field calculations.
doi: 10.1016/S0375-9474(01)01567-6
2001HO06 Eur.Phys.J. A 10, 5 (2001) S.Hofmann, F.P.Hessberger, D.Ackermann, S.Antalic, P.Cagarda, S.Cwiok, B.Kindler, J.Kojouharova, B.Lommel, R.Mann, G.Munzenberg, A.G.Popeko, S.Saro, H.J.Schott, A.V.Yeremin The New Isotope 270110 and Its Decay Products 266Hs and 262Sg NUCLEAR REACTIONS 207Pb(64Ni, n), E=317 MeV; measured Eα, αα-, (recoil)α-coin following residual nucleus decay; deduced production σ, evidence for 270Ds, 266Hs, 262Sg. Mass separator. RADIOACTIVITY 270Ds, 266Hs, 262Sg(α) [from 207Pb(64Ni, n)]; measured Eα, T1/2.
doi: 10.1007/s100500170137
2001NO03 Acta Phys.Pol. B32, 1113 (2001) R.Nowakowski, S.Cwiok, W.Nazarewicz, P.-H.Heenen Single-Nucleon Densities in Superheavy Nuclei NUCLEAR STRUCTURE Z=92-124; calculated radii and diffuseness parameters. Skyrme-Hartree-Fock plus BCS theory with zero-range pairing force.
2000KR03 Phys.Rev. C61, 034313 (2000) A.T.Kruppa, M.Bender, W.Nazarewicz, P.-G.Reinhard, T.Vertse, S.Cwiok Shell Corrections of Superheavy Nuclei in Self-Consistent Calculations NUCLEAR STRUCTURE Z=120; calculated neutron single-particle levels, shell corrections. Z=110-130; calculated proton shell corrections, macroscopic energies. Self-consistent Skyrme-Hartree-Fock and relativistic mean field calculations.
doi: 10.1103/PhysRevC.61.034313
1999CW01 Phys.Rev.Lett. 83, 1108 (1999) S.Cwiok, W.Nazarewicz, P.H.Heenen Structure of Odd-N Superheavy Elements NUCLEAR STRUCTURE 293Og, 289,293Lv, 285,289Fl, 281,285Cn, 277,281Ds, 273,277Hs, 269Sg, 265Rf; calculated single quasiparticle levels, configurations, deformation. Z=96-118; calculated α-decay energies for even-even nuclides. Self-consistent Skyrme-Hartree-Fock-Bogoliubov method with pairing.
doi: 10.1103/PhysRevLett.83.1108
1999MU05 Phys.Rev. C59, 2009 (1999) W.F.Mueller, H.Q.Jin, J.M.Lewis, W.Reviol, L.L.Riedinger, M.P.Carpenter, C.Baktash, J.D.Garrett, N.R.Johnson, I.Y.Lee, F.K.McGowan, C.-H.Yu, S.Cwiok High-Spin Structure in 181, 183Au NUCLEAR REACTIONS 152Sm(35Cl, 4n), E=170 MeV; 150Sm(35Cl, 4n), E=168 MeV; measured Eγ, Iγ, γγ-coin. 181,183Au deduced high-spin levels, J, π, configurations, rotational band features. NUCLEAR STRUCTURE 169,171,173,175,177,179Re, 171,173,175,177,179,181,183Ir, 177,179,181,183,185Au; calculated bandhead excitation energies, configurations, deformation parameters. 179Ir, 181,183,185Au; calculated Routhians, B(M1)/B(E2). Macroscopic-microscopic shell correction model.
doi: 10.1103/PhysRevC.59.2009
1996CW01 Nucl.Phys. A611, 211 (1996) S.Cwiok, J.Dobaczewski, P.-H.Heenen, P.Magierski, W.Nazarewicz Shell Structure of the Superheavy Elements NUCLEAR STRUCTURE Z=108-128; N=150-192; calculated superheavy nuclei potential energy surfaces, ground state deformations, Q(α), α-decay T1/2, fission barriers in some cases. Skyrme-Hartree-Fock with density-independent contact pairing interaction, macroscopic-microscopic approaches.
doi: 10.1016/S0375-9474(96)00337-5
1996TE04 Phys.Rev.Lett. 77, 32 (1996) G.M.Ter-Akopian, J.H.Hamilton, Yu.Ts.Oganessian, A.V.Daniel, J.Kormicki, A.V.Ramayya, G.S.Popeko, B.R.S.Babu, Q.-H.Lu, K.Butler-Moore, W.-C.Ma, S.Cwiok, W.Nazarewicz, J.K.Deng, D.Shi, J.Kliman, M.Morhac, J.D.Cole, R.Aryaeinejad, N.R.Johnson, I.Y.Lee, F.K.McGowan, J.X.Saladin New Spontaneous Fission Mode for 252Cf: Indication of hyperdeformed 144,145,146Ba at scission RADIOACTIVITY 252Cf(SF); measured γγ-coin, prompt neutron multiplicities, Mo, Ba isotopes correlated fragment pairs yields; deduced new fission mode. 144,145,146Ba deduced hyperdeformed shape evidence at scission.
doi: 10.1103/PhysRevLett.77.32
1995NA13 Acta Phys.Pol. B26, 189 (1995) W.Nazarewicz, S.Cwiok, J.Dobaczewski, J.X.Saladin Multiclustering and Physics of Exotic Nuclear Shapes NUCLEAR STRUCTURE 220,224Rn, 222,226,230Ra, 224,228,232Th, 226,230,234U; compiled, reviewed, analyzed potential energy surface predictions; deduced hyperdeformed minimum resemblance to di-nucleus. Multi-cluster model.
1994CW01 Phys.Lett. 322B, 304 (1994) S.Cwiok, W.Nazarewicz, J.X.Saladin, W.Plociennik, A.Johnson Hyperdeformations and Clustering in the Actinide Nuclei NUCLEAR STRUCTURE 220,222Ra, 232Th, 234U; calculated Woods-Saxon-Strutinsky total potential energy vs deformation parameters β2, β3; deduced hyperdeformed minima features. Shell correction approach.
doi: 10.1016/0370-2693(94)91157-6
1994CW02 Nucl.Phys. A573, 356 (1994) S.Cwiok, S.Hofmann, W.Nazarewicz Shell Structure of the Heaviest Elements NUCLEAR STRUCTURE Z=95-111; N=149-162; compiled, reviewed mass excess, equilibrium deformations, single nucleon states binding energy, Q(α).
doi: 10.1016/0375-9474(94)90349-2
1993MA40 Phys.Rev. C48, 1686 (1993) P.Magierski, S.Cwiok, J.Dobaczewski, W.Nazarewicz Approximate Particle Number Projection for Rotating Nuclei
doi: 10.1103/PhysRevC.48.1686
1992CW01 Z.Phys. A342, 203 (1992) Potential Energy and Fission Barriers of Superheavy Nuclei Calculated in Multidimensional Deformation Space NUCLEAR STRUCTURE 276Cn, 298Fl; calculated potential energy contours vs deformations β2, β4; Z=112-130; N=152-210; calculated β20, β40, β60 equilibrium deformations contour, fission barriers. Macroscopic-microscopic method, multi-dimensional deformation space.
1991CW01 Nucl.Phys. A529, 95 (1991) Reflection-Asymmetric Shapes in Odd-A Actinide Nuclei NUCLEAR STRUCTURE 219,221,223,225Fr, 219,221,223,225,227Ac, 221,223,225,227,229Pa, 219,221,223,225Rn, 219,221,223,225,227Ra, 221,223,225,227Th; calculated levels, equilibrium deformations, asymmetry energies, parity contents. Average Woods-Saxon potential, monopole pairing residual interaction, reflection-asymmetric mean field approach.
doi: 10.1016/0375-9474(91)90787-7
1991EN01 Nucl.Phys. A535, 392 (1991); Erratum Nucl.Phys. A560, 1079 (1993) P.J.Ennis, C.J.Lister, W.Gelletly, H.G.Price, B.J.Varley, P.A.Butler, T.Hoare, S.Cwiok, W.Nazarewicz Triaxiality and Isospin-Forbidden E1 Decays in the N = Z Nucleus 64Ge NUCLEAR REACTIONS 12C(54Fe, 2n), E=165 MeV; 54Fe(12C, 2n), E=37 MeV; measured Eγ, Iγ(θ), γγ-coin; deduced absorption σ. 64Ge deduced levels, J, π. Germanium detector array, recoil separator.
doi: 10.1016/0375-9474(91)90454-E
1991SA12 Nucl.Phys. A529, 289 (1991) W.Satula, S.Cwiok, W.Nazarewicz, R.Wyss, A.Johnson Structure of Superdeformed States in Au-Ra Nuclei NUCLEAR STRUCTURE 190,192,194,196Hg, 192,194,196,198Pb, 194,196,198,200,202Po, 198,200,202,204,206Rn, 204,206,208,210,212Ra; calculated superdeformed state energies, equilibrium deformations, band head energies, barrier heights, potential energy surfaces. 189,191,193,195,190,192,194,196Tl, 187,189,191,193,195Au; calculated equilibrium deformations. Strutinsky shell correction method.
doi: 10.1016/0375-9474(91)90797-A
1990BR23 J.Phys.(London) G16, 1735 (1990) Ch.Briancon, S.Cwiok, S.A.Eid, V.Green, W.D.Hamilton, C.F.Liang, R.J.Walen A Re-Examination of the Band Structure of 223Ra and Reflection Asymmetry in this Nucleus RADIOACTIVITY 227Th(α); measured γγ(θ), αγ(θ), γ(θ), oriented nuclei, Eγ, Iγ, recoil distance. 223Ra deduced levels, J, π, band structure, T1/2, ICC, δ.
doi: 10.1088/0954-3899/16/11/021
1990MA45 Phys.Rev. C42, R811 (1990) H.Mach, S.Cwiok, W.Nazarewicz, B.Fogelberg, M.Moszynski, J.Winger, R.L.Gill Strong Octupole and Dipole Collectivity in 96Zr: Indication for octupole instability in the A = 100 mass region RADIOACTIVITY 96Y(β-) [from 235U(n, F)]; measured βγγ(t). 96Zr level deduced T1/2, B(λ). RPA, deformed shell model calculations. NUCLEAR STRUCTURE 96Zr; calculated total energy surfaces. Woods-Saxon potential, pairing.
doi: 10.1103/PhysRevC.42.R811
1989CW01 Nucl.Phys. A491, 281 (1989) S.Cwiok, P.Rozmej, A.Sobiczewski, Z.Patyk Two Fission Modes of the Heavy Fermium Isotopes NUCLEAR STRUCTURE 254,258Fm, 272Hs; calculated fission barrier shapes, potential energy surfaces; deduced deformations role.
doi: 10.1016/0375-9474(89)90703-3
1989CW02 Nucl.Phys. A496, 367 (1989) Ground-State Shapes and Spectroscopic Properties of Z ≈ 58, N ≈ 88 Nuclei NUCLEAR STRUCTURE Z ≈ 58; N ≈ 88; calculated ground state shapes. Deformed shell model.
doi: 10.1016/0375-9474(89)90180-2
1989CW03 Phys.Lett. 224B, 5 (1989) Reflection-Asymmetric Shapes in Transitional Odd-A Th Isotopes NUCLEAR STRUCTURE 219,221,223,225,227,229Th; calculated quasiparticle states, band heads, equilibrium deformations. Reflection-asymmetric mean field theory.
doi: 10.1016/0370-2693(89)91039-3
1989PA22 Nucl.Phys. A502, 591c (1989) Z.Patyk, J.Skalski, A.Sobiczewski, S.Cwiok Potential Energy and Spontaneous-Fission Half-Lives for Heavy and Superheavy Nuclei NUCLEAR STRUCTURE Z=100-130; N=140-210; calculated potential energies, SF T1/2. Macroscopic-microscopic method.
doi: 10.1016/0375-9474(89)90691-X
1989SC33 Phys.Rev.Lett. 63, 2645 (1989) N.Schulz, V.Vanin, M.Aiche, A.Chevallier, J.Chevallier, J.C.Sens, Ch.Briancon, S.Cwiok, E.Ruchowska, J.Fernandez-Niello, Ch.Mittag, J.Dudek Persisting Domination of the Octupole over the Quadrupole Degrees of Freedom and the New Type of Transitional Nuclei: High-spin behavior of 218Ra NUCLEAR REACTIONS 208Pb(14C, 4n), E=80 MeV; measured γγ(t), γ-spectra. 218Ra deduced levels, J, π.
doi: 10.1103/PhysRevLett.63.2645
1989SO03 Phys.Lett. 224B, 1 (1989) A.Sobiczewski, Z.Patyk, S.Cwiok Deformed Superheavy Nuclei NUCLEAR STRUCTURE N=150-190; Z=100-130; calculated equilibrium deformation, deformation energy, total T1/2 contours. Deformed superheavy nuclei.
doi: 10.1016/0370-2693(89)91038-1
1988RO05 Phys.Lett. 203B, 197 (1988) P.Rozmej, S.Cwiok, A.Sobiczewski Is Octupole Deformation Sufficient to Describe the Properties of ' Octupolly ' Unstable Nuclei ( Question ) NUCLEAR STRUCTURE 216,218,220,222,224,226,228Ra; calculated deformation energy, equilibrium deformation.
doi: 10.1016/0370-2693(88)90537-0
1988SO08 Nucl.Phys. A485, 16 (1988) A.Sobiczewski, Z.Patyk, S.Cwiok, P.Rozmej Study of the Potential Energy of ' Octupole '-Deformed Nuclei in a Multidimensional Deformation Space NUCLEAR STRUCTURE 218,220,222,224,226Ra; calculated potential energy surfaces. 216,218,220,222,224,226Rn, 216,218,220,222,224,226,228Ra, 218,220,222,224,226,228Th, 220,222,224,226,228U, 222,224,226,228Pu, 224,226,228Cm, 226,228,230Cf, 138,140,142,144,146,148Xe, 140,142,144,146,148,150,152Ba, 144,142,146,148,150Ce, 144,146,148Nd; calculated equilibrium deformation, energy. Multi-dimensional deformation space, macroscopic-microscopic method.
doi: 10.1016/0375-9474(88)90519-2
1987SO03 Phys.Lett. 186B, 6 (1987) A.Sobiczewski, Z.Patyk, S.Cwiok Do the Superheavy Nuclei Really Form an Island ( Question ) RADIOACTIVITY Z=104-110(SF), (α); calculated fission barrier heights, T1/2. Liquid-drop energy, shell correction.
doi: 10.1016/0370-2693(87)90502-8
1986BO37 Z.Phys. A325, 479 (1986) K.Boning, Z.Patyk, A.Sobiczewski, S.Cwiok Theoretical Half-Lives for the Heaviest Nuclei RADIOACTIVITY Z=100-110(SF), (α); calculated SF-decay, α-decay T1/2.
1985CW01 Nucl.Phys. A444, 1 (1985) S.Cwiok, Z.Lojewski, V.V.Pashkevich Fission Barriers of Odd-Mass Nuclei and Odd Nuclei with 100 ≤ Z ≤ 111 NUCLEAR STRUCTURE 259,261,257,255,253,251,249,247,245,243Fm, 246,247,248,249,250,251,252,253,254,255,256,257,258,259,260,261,262,263Md, 243,245,246,249,251,253,255,257,259,261,263No, 254,255,256,257,258,259,260,261,262,263,264,265Lr, 251,253,255,257,259,261,263,265Rf, 254,255,256,257,258,259,260,261,262,263,264,265,266,267Db, 257,259,261,263,265,267Sg, 258,259,260,261,262,263,264,265,266,267,268,269,270,271Bh, 259,261,263,265,267,269,271Hs, 262,263,264,265,266,267,268,269,270,271Mt, 263,265,267,269,271,273,275Ds, 267,268,269,270,271,272,273,274,275,276,277,278Rg; calculated deformation energy along fission barrier vs β2, fission barrier vs neutron number. Strutinsky method, realistic Woods-Saxon potential.
doi: 10.1016/0375-9474(85)90288-X
1985KV02 Czech.J.Phys. B35, 949 (1985) J.Kvasil, M.M.Chariev, S.Cwiok, P.Holan Non-Adiabatic Effects and Coriolis Interactions in Odd Deformed Nuclei NUCLEAR STRUCTURE 235U; calculated levels, rotational band structure. Quasiadiabatic approach.
doi: 10.1007/BF01676358
1985KV03 Yad.Fiz. 42, 588 (1985) J.Kvasil, M.Chariev, S.Cwiok, V.Choriev, I.N.Mikhailov Description of the Negative Parity States in 158Dy and 168Er in the Framework of Random Phase Approximation Based on the Cranking Model NUCLEAR STRUCTURE 158Dy, 168Er; calculated levels, B(λ). RPA, cranking model.
1985LO05 Nucl.Phys. A436, 499 (1985) Z.Lojewski, V.V.Pashkevich, S.Cwiok Excitation Effects on the Nuclear-Fission Process in the Heaviest Elements NUCLEAR STRUCTURE 260No, 264Rf, 268Sg; calculated fission barriers. Quantum statistical approach, nuclear heating effect.
doi: 10.1016/0375-9474(85)90082-X
1984KV04 Czech.J.Phys. B34, 1179 (1984) J.Kvasil, M.M.Chariev, S.Cwiok, I.N.Mikhailov, B.Choriev Application of the RPA Method Based on the Cranked Hartree-Fock-Bogolubov Model in 168Er and 158Dy NUCLEAR STRUCTURE 158Dy, 168Er; calculated levels, B(E2). Cranked HFB based RPA.
doi: 10.1007/BF01590065
1984MI08 Yad.Fiz. 39, 1368 (1984) I.N.Mikhailov, R.G.Nazmitdinov, S.Cwiok Evolution of the Shape of Fast Rotating Nuclei and of the γ Spectrum NUCLEAR STRUCTURE 118Te; calculated potential energy surfaces, shape evolution, Iγ. 118Te deduced γ-multipolarity. Strutinsky method, cranking model.
1983CW01 Nucl.Phys. A410, 254 (1983) S.Cwiok, V.V.Pashkevich, J.Dudek, W.Nazarewicz Fission Barriers of Transfermium Elements NUCLEAR STRUCTURE 242,244,246,248,250,252,254,256,258Fm, 250,252,254,256,258,260,262,264,266No, 254Rf, 256Rf, 258Rf, 260Rf, 262Rf, 264Rf; calculated fission barriers; deduced possible nuclear isomers, fission barrier separation. Strutinsky method.
doi: 10.1016/0375-9474(83)90201-4
1983CW02 Z.Phys. A314, 337 (1983) S.Cwiok, I.N.Mikhailov, Ch.Briancon The Shape of Fast-Rotating Nuclei in the Region of Subshell N = 82 NUCLEAR STRUCTURE 146,148,150,152,154,158Er; calculated free energy surfaces. 154,148Er; calculated moment of inertia vs rotational frequency square. 156,158,160,162,164Er; calculated oblate to prolate spin transition. 158Er; calculated equilibrium deformation. 158Er; calculated stretched E2 transition strengths, yrast line. Strutinsky shell correction, Woods-Saxon potentials, nonaxial hexadecapole deformations.
doi: 10.1007/BF01412930
1980CW01 Nucl.Phys. A333, 139 (1980) S.Cwiok, W.Nazarewicz, J.Dudek, J.Skalski, Z.Szymanski Microscopic Analysis of the Double Backbending in the Nucleus 160Yb NUCLEAR STRUCTURE 160Yb; calculated double back-bending effects. Cranked Hartree-Fock-Bogoliubov method, deformed Woods-Saxon potential, monopole pairing terms.
doi: 10.1016/0375-9474(80)90019-6
1980CW02 Phys.Rev. C21, 448 (1980) S.Cwiok, W.Nazarewicz, J.Dudek, Z.Szymanski Analysis of the Backbending Effect in 166Yb, 168Yb, and 170Yb within the Hartree-Fock-Bogolyubov Cranking Method NUCLEAR STRUCTURE 166,168,170Yb; calculated moments of inertia. Cranked Hartree-Fock-Bogoliubov method.
doi: 10.1103/PhysRevC.21.448
1980CW03 Acta Phys.Pol. B11, 445 (1980) The Dependence of Coulomb Displacement Energy on Deformation of a Nucleus NUCLEAR STRUCTURE 149,151Nd, 149,151Pm, 169Er, 169Tm, 169,171Yb, 169,171Lu; calculated Coulomb displacement energies; deduced deformation effects. Woods-Saxon deformed potential, monopole pairing interaction.
1979DU07 J.Phys.(London) G5, 1359 (1979) J.Dudek, A.Majhofer, J.Skalski, T.Werner, S.Cwiok, W.Nazarewicz Parameters of the Deformed Woods-Saxon Potential Outside A = 110-210 Nuclei NUCLEAR STRUCTURE A=40-110, A=210-280; calculated single-particle level spins, particles. Deformed Woods-Saxon potential, adjusted strength, radius of spin-orbit term.
doi: 10.1088/0305-4616/5/10/014
1976CW01 Acta Phys.Pol. B7, 375 (1976) Coulomb Displacement Energy in the Isobaric Analog Pairs Ti-V NUCLEAR STRUCTURE 49Ca, 49Sc;49Ti, 49V;51Ti, 51V; calculated Coulomb displacement energies.
1975CW01 Acta Phys.Pol. B6, 105 (1975) Spin Vibration States in 120Sn and 208Pb within ΔN = 0 and ΔN = 2 NUCLEAR STRUCTURE 120Sn, 208Pb; calculated levels, wavefunctions, Γ(M1).
1973CW01 Acta Phys.Pol. B4, 233 (1973) Excited States Jπ = 1+ in Spherical Nuclei NUCLEAR STRUCTURE 55Ni, 114,116,118,120,122,124Sn, 138Ba, 140Ce, 142Nd, 208Pb; calculated levels, level-width.
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