NSR Query Results
Output year order : Descending NSR database version of May 24, 2024. Search: Author = C.Lahiri Found 12 matches. 2023GU13 Phys.Rev. C 108, 015805 (2023) Allowed β^{-} decay of bare atoms with A ≈ 60 - 80 in stellar environments RADIOACTIVITY ^{59}Fe, ^{60,61}Co, ^{63,65,66}Ni, ^{64,66,67}Cu, ^{69,72}Zn, ^{70}Ga, ^{75,78}Ge, ^{81}Se(β^{-}); calculated decay rates, bound state decay rate, continuum state decay rate, logft, T_{1/2}, T_{1/2} of bare atoms as functions of density and temperature in stellar S-process environment, ratio of neutral to bare atom half-life, branchings. ^{59}Fe, ^{69}Zn(β^{-}); calculated Gamow-Teller transition matrix elements, quenching factors. Shell model calculations. Comparison to available experimental data. NUCLEAR STRUCTURE ^{59}Fe, ^{59}Co, ^{69}Zn, ^{69}Ga, ^{78}Ge, ^{78}As; calculated levels, J, π. Shell-model calculations with fpd6, fpd6n and jun45 interactions. Comparison to experimental data.
doi: 10.1103/PhysRevC.108.015805
2019GU33 Phys.Rev. C 100, 064313 (2019) Bound and continuum state β^{-} decay of bare atoms: Enhancement of decay rate and changes in β^{-} decay branching RADIOACTIVITY ^{63,66}Ni, ^{85,85m}Kr, ^{93}Zr, ^{95,95m}Nb, ^{99}Tc, ^{106}Ru, ^{107}Pd, ^{110}Ag, ^{113,115}Cd, ^{121,121m,123,123m}Sn, ^{124}Sb, ^{134,136}Cs, ^{148,148m}Pm, ^{151}Sm, ^{152,152m,155}Eu, ^{171}Tm, ^{191}Os, ^{207}Tl, ^{210}Pb, ^{227}Ac, ^{228}Ra, ^{241}Pu(β^{-}); calculated β-decay half-lives for the fully-ionized (bare) ions, logft, individual contributions to β^{-}-decay rates for bound and continuum states in neutral atoms and fully-ionized (bare) ions; deduced that transition branchings for the bare atom differ from that of the neutral atom for all Z and A in A=60-240 mass region. Comparison with experimental values of half-lives for neutral atoms in the NNDC databases, and with theoretical values from 1987Ta16.
doi: 10.1103/PhysRevC.100.064313
2016KU04 Int.J.Mod.Phys. E25, 1650020 (2016) B.Kumar, S.K.Biswal, S.K.Singh, C.Lahiri, S.K.Patra Modes of decay in neutron-rich nuclei NUCLEAR STRUCTURE ^{208}Pb, ^{232,234,236,238,240,254,256,258}Th, ^{230,232,234,236,248,250,252,254,256}U; calculated matter density distributions. RADIOACTIVITY ^{216,232,254}Th, ^{218,238,256}U(α); calculated penetrability parameter using WKB approximation, T_{1/2}. Comparison with available data.
doi: 10.1142/S0218301316500208
2016LA05 Int.J.Mod.Phys. E25, 1650015 (2016) C.Lahiri, S.K.Biswal, S.K.Patra Effects of NN potentials on p Nuclides in the A ∼ 100-120 region NUCLEAR STRUCTURE A = 100-120; calculated S-factors, astrophysical reaction rates using microscopical optical model potential with the Hauser-Feshbach reaction code TALYS. Comparison with experimental data.
doi: 10.1142/S0218301316500154
2016MA54 Int.J.Mod.Phys. E25, 1650062 (2016) S.Mahapatro, C.Lahiri, B.Kumar, R.N.Mishra, S.K.Patra Nuclear structure and decay properties of even-even nuclei in Z=70-80 drip-line region NUCLEAR STRUCTURE ^{150,152,154,156,158,160,162,164,166,168,170,172,174,176,178,180,182,184,186,188,190,192,194,196,198,200,202,204,206,208,210,212,214,216,218,220,222,224,226,228,230,232,234,236,238,240}Yb, ^{152,154,156,158,160,162,164,166,168,170,172,174,176,178,180,182,184,186,188,190,192,194,196,198,200,202,204,206,208,210,212,214,216,218,220,222,224,226,228,230,232,234,236,238,240,242}Hf, ^{154,156,158,160,162,164,166,168,170,172,174,176,178,180,182,184,186,188,190,192,194,196,198,200,202,204,206,208,210,212,214,216,218,220,222,224,226,228,230,232,234,236,238,240,242,244}W, ^{156,158,160,162,164,166,168,170,172,174,176,178,180,182,184,186,188,190,192,194,196,198,200,202,204,206,208,210,212,214,216,218,220,222,224,226,228,230,232,234,236,238,240,242,244,246}Os, ^{158,160,162,164,166,168,170,172,174,176,178,180,182,184,186,188,190,192,194,196,198,200,202,204,206,208,210,212,214,216,218,220,222,224,226,228,230,232,234,236,238,240,242,244,246,248}Pt, ^{160,162,164,166,168,170,172,174,176,178,180,182,184,186,188,190,192,194,196,198,200,202,204,206,208,210,212,214,216,218,220,222,224,226,228,230,232,234,236,238,240,242,244,246,248,250}Hg; calculated binding energy, neutron, proton, charge rms radii, quadrupole moment and hexadecoupole deformation parameters. Comparison with FRDM calculations, experimental data.
doi: 10.1142/S0218301316500622
2012LA11 Int.J.Mod.Phys. E21, 1250042 (2012) Neutron rich nuclei in a new binding energy formula and the astrophysical r-process
doi: 10.1142/S0218301312500425
2012LA17 Int.J.Mod.Phys. E21, 1250074 (2012) Endpoint of rp process using relativistic mean field approach and a new mass formula
doi: 10.1142/S0218301312500747
2012LA25 Phys.Rev. C 86, 047601 (2012) Low-energy proton reactions of astrophysical interest in the A∼90-100 region NUCLEAR STRUCTURE ^{89}Y, ^{90,92,94,96}Zr, ^{92,94,95,96,98}Mo, ^{96,98}Ru; calculated charge radii. Comparison with evaluated experimental values. Relativistic mean field calculation. NUCLEAR REACTIONS ^{90,91,92}Zr, ^{92,94,96,98}Mo(p, p), E=9.7, 14.8, 14.25 MeV; calculated elastic scattering cross section, σ(θ, E). ^{89}Y, ^{96}Zr, ^{96,98,99}Ru, ^{92,94,95,98}Mo(p, γ), ^{93}Nb(p, n), E(cm)=1-5 MeV; calculated astrophysical S factors. Density-dependent M3Y interaction with relativistic mean field densities. Comparison with experimental data.
doi: 10.1103/PhysRevC.86.047601
2011BH01 J.Phys.(London) G38, 035105 (2011) S.Bhowal, C.Lahiri, R.Raut, P.Singh, M.K.Raju, A.Goswami, A.K.Singh, S.Bhattacharya, T.Bhattacharjee, G.Mukherjee, S.Bhattacharyya, S.Muralithar, R.K.Bhowmik, N.Madhavan, R.P.Singh, G.Gangopadhyay Energy levels in ^{141}Nd from fusion evaporation study NUCLEAR REACTIONS ^{130}Te(^{16}O, 5n)^{141}Nd, E=80-85 MeV; ^{124}Sn(^{24}Mg, 3nα)^{141}Nd, E=107 MeV; measured Eγ, Iγ; deduced level scheme, J, π, quadrupole band-like structure. Comparison with shell model calculations.
doi: 10.1088/0954-3899/38/3/035105
2011LA14 Eur.Phys.J. A 47, 87 (2011) Microscopic calculation of proton capture reactions in the mass 60-80 region and its astrophysical implications NUCLEAR REACTIONS ^{62,64}Ni, ^{63,65}Cu, ^{70}Ge, ^{74,76,77}Se, ^{64,66,67,68}Zn(p, γ), E(cm)=1.0-3.5 MeV; calculated S-factor using TALYS with HF+BCS and HFB. Comparison with data. NUCLEAR STRUCTURE ^{64}Ge, ^{68}Se, ^{76}Sr, ^{72}Kr; calculated effective T_{1/2} for temperatures 0.8-1.8 GK, densities above which the waiting points are bridged. TALYS with HF+BCS and HFB.
doi: 10.1140/epja/i2011-11087-2
2011LA17 Phys.Rev. C 84, 057601 (2011) Relativistic mean field in A ≈ 80 nuclei and low-energy proton reactions NUCLEAR STRUCTURE ^{84,86,87,88}Sr, ^{75}As, ^{76}Ge, ^{85}Rb; calculated binding energies and charge radii. ^{76}Ge, ^{88}Sr; calculated charge and compared with analyzed radii from electron scattering data. Relativistic mean-field (RMF+BCS) calculations. NUCLEAR REACTIONS ^{84,86,87,88}Sr(p, γ), ^{75}As, ^{76}Ge, ^{85}Rb(p, n), E=1.5-4 MeV; calculated s factors using TALYS code and compared with experimental data. Microscopic nuclear interaction DDM3Y.
doi: 10.1103/PhysRevC.84.057601
2011LA18 Int.J.Mod.Phys. E20, 2417 (2011) Proton dripline in a new formula for nuclear binding energy NUCLEAR STRUCTURE N=18-123; calculated proton dripline; deduced formula. Comparison with experimental data.
doi: 10.1142/S0218301311020411
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