NSR Query Results
Output year order : Descending NSR database version of April 24, 2024. Search: Author = P.K.Rath Found 58 matches. 2024SA07 Phys.Rev. C 109, 024301 (2024) Sh.Sarkar, P.K.Rath, V.Nanal, R.G.Pillay, PushpendraP.Singh, Y.Iwata, K.Jha, P.K.Raina Calculation of nuclear matrix elements for 0νββ decay of 124Sn using the nonclosure approach in the nuclear shell model
doi: 10.1103/PhysRevC.109.024301
2023KU05 Acta Phys.Pol. B54, 1-A1 (2023) V.Kumar, A.Shukla, M.K.Sharma, P.K.Rath Characteristics of Chiral Bandhead NUCLEAR STRUCTURE 80Br, 100Tc, 104Rh, 128Cs, 132La, 134Pr, 136,138Pm; analyzed available data; deduced the low value of reduced hindrance factors could be indicative of triaxial shape and orthogonally coupling of the valence nucleon angular momentum at the chiral bandhead.
doi: 10.5506/aphyspolb.54.1-a1
2023KU20 Acta Phys.Pol. B54, 9-A3 (2023) V.Kumar, A.Shukla, M.K.Sharma, P.K.Rath Comparison of Valence-correlation Schemes in Nuclei Having Valence Nucleons in the Same Shell NUCLEAR STRUCTURE A=6-136; analyzed available data; deduced variation of excitation energies of yrast 2+ states and ratios E4+/E2+ with NpNn.
doi: 10.5506/APhysPolB.54.9-A3
2023SI05 Acta Phys.Pol. B54, 1-A4 (2023) Y.P.Singh, V.Kumar, A.Choudhary, A.Shukla, M.K.Sharma, P.K.Rath, Rohtash, P.Jain, Y.Kumar, R.Sapra, K.Jha, M.Silarski, S.Sharma Influence of Collectivity on Reduced Hindrance Factor of K-isomers in Tantalum and Hafnium Isotopes NUCLEAR STRUCTURE 170,172,174,176,178,180,182,184Hf, 173,175,177,179,181,183,185Ta; analyzed available data; deduced correlations of the reduced hindrance factor of the K-isomers in Ta and Hf isotopes with respect to NpNn.
doi: 10.5506/aphyspolb.54.1-a1
2022NA15 Eur.Phys.J. A 58, 28 (2022) V.K.Nautiyal, R.Gautam, N.Das, R.Chandra, P.K.Raina, P.K.Rath Occupation numbers and nuclear transition matrix elements for 0νβ-β- decay within a mechanism involving neutrino mass NUCLEAR STRUCTURE 100Mo, 100Ru, 128,130Te, 136Xe; calculated sub-shell occupation numbers; deduced four HFB intrinsic wave functions with single particle energies due to Woods-Saxon potential and four different parametrizations of pairing plus multipolar effective two body interaction. RADIOACTIVITY 94,96Zr, 110Pd, 128,130Te, 150Nd(2β-); calculated uncertainties in set of twelve nuclear transition matrix elements for the neutrinoless double-beta decay.
doi: 10.1140/epja/s10050-022-00677-y
2021RA02 Int.J.Mod.Phys. E30, 2150004 (2021) P.K.Rath, A.Kumar, R.Gautam, R.Chandra, P.K.Raina, B.M.Dixit Nuclear transition matrix elements for neutrinoless double-β decay of 76Ge within mechanisms involving sterile neutrinos, Majorons and composite neutrinos RADIOACTIVITY 76Ge(2β-); calculated nuclear matrix elements using HFB wave functions generated with a realistic KUO and an empirical JUNE45 effective two-body interactions.
doi: 10.1142/S021830132150004X
2021VA02 Eur.Phys.J. A 57, 95 (2021) E.Vardaci, P.K.Rath, M.Mazzocco, A.Di Nitto, G.La Rana, C.Parascandolo, D.Pierroutsakou, M.Romoli, A.Boiano, A.Vanzanella, M.Cinausero, G.Prete, N.Gelli, F.Lucarelli, C.Mazzocchi, M.La Commara, L.Fortunato, A.Guglielmetti, F.Soramel, L.Stroe, C.Signorini Study of the threshold anomaly effect in the reaction 7Li + 208Pb at energies around the Coulomb barrier NUCLEAR REACTIONS 208Pb(7Li, 7Li), E=25-39 MeV; measured reaction products; deduced σ, yields, real and imaginary potentials.
doi: 10.1140/epja/s10050-021-00400-3
2020VA06 Phys.Rev. C 101, 064612 (2020) E.Vardaci, A.Pulcini, E.M.Kozulin, I.Matea, D.Verney, A.Maj, C.Schmitt, I.M.Itkis, G.N.Knyazheva, K.Novikov, N.Kozulina, I.M.Harca, I.V.Kolesov, K.Saveleva, V.V.Kirakosyan, O.Dorvaux, M.Ciemala, S.Brambilla, M.Ashaduzzaman, B.De Canditiis, A.Di Nitto, D.Quero, C.Parascandolo, D.Pierroutsakou, P.K.Rath, G.Sposito, G.La Rana, A.Bracco, F.Camera, O.Stezowski, C.Borcea, S.Calinescu, C.Petrone, J.Wilson Using γ rays to disentangle fusion-fission and quasifission near the Coulomb barrier: A test of principle in the fusion-fission and quasielastic channels NUCLEAR REACTIONS 197Au(32S, X), E=166 MeV; measured fragments and γ rays in singles, (fragment)(fragment)-coin, prompt γ(binary fragments)-coin using the two-arm TOF spectrometer CORSET time-of-flight spectrometer for fragments, ORGAM array of Ge detectors, and PARIS array of scintillation detectors for γ rays at the ALTO facility of IPN-Orsay; deduced total kinetic energy and mass yield (TKE-mass) distributions, γ-fold and multiplicity distributions. Comparison with theoretical calculations using GEF code. Discussion of γ multiplicity as a method for differentiating fusion-fission (FF) and quasifission (QF) events. 129La; deduced 756-, 869-, and 888-keV γ transition between high angular momentum states in coincidence with fission fragments.
doi: 10.1103/PhysRevC.101.064612
2019RA37 Int.J.Mod.Phys. E28, 1950096 (2019) P.K.Rath, A.Kumar, R.Chandra, R.Gautam, P.K.Raina and B.M.Dixit Nuclear transition matrix elements for neutrinoless double-β decay of 76Ge isotope within PHFB approach RADIOACTIVITY 76Ge(2β-); calculated nuclear transition matrix elements employing projected-Hartree-Fock-Bogoliubov (PHFB) model.
doi: 10.1142/S0218301319500964
2019RA38 Front.Phys.(Lausanne) 7, 64 (2019) P.K.Rath, R.Chandra, K.Chaturvedi, P.K.Raina Nuclear Transition Matrix Elements for Double-β Decay Within PHFB Model NUCLEAR STRUCTURE 94,96Zr, 94,96,100Mo, 100Ru, 110Pd, 110Cd, 128,130Te, 128,130Xe, 150Nd, 150Sm; calculated deformation parameters of nuclei participating in ββ decay with PQQ1, PQQ2, PQQHH1, andPQQHH2 parametrizations of effective two-body interaction. Comparison with available data. RADIOACTIVITY 94,96Zr, 100Mo, 110Pd, 128,130Te, 150Nd(2β-); calculated average values of nuclear matrix elements.
doi: 10.3389/fphy.2019.00064
2019SI14 Int.J.Mod.Phys. E28, 1950001 (2019) Y.K.Singh, R.Chandra, K.Chaturvedi, T.Avasthi, P.K.Rath, P.K.Raina Nuclear transition matrix elements for neutrinoless double-b decay within mechanisms involving light Majorana neutrino mass and right-handed current RADIOACTIVITY 94,96Zr, 100Mo, 110Pd, 128,130Te, 150Nd(2β-); calculated nuclear transition matrix elements for the neutrinoless double-beta decay using the projected-Hartree-Fock-Bogoliubov (PHFB) model.
doi: 10.1142/S0218301319500010
2018PA06 Phys.Rev. C 97, 014607 (2018) V.V.Parkar, SushilK.Sharma, R.Palit, S.Upadhyaya, A.Shrivastava, S.K.Pandit, K.Mahata, V.Jha, S.Santra, K.Ramachandran, T.N.Nag, P.K.Rath, B.Kanagalekar, T.Trivedi Investigation of complete and incomplete fusion in the 7Li + 124Sn reaction near Coulomb barrier energies NUCLEAR REACTIONS 124Sn(7Li, 8Li), (7Li, 6Li), (7Li, 3n), (7Li, 4n), (7Li, 5n), (t, n), (t, 2n), (t, 3n), 123mSn/125Sn/125mSn/124Sb/125Sb/125Sb/126mSb/126I/128I, E(7Li)=17-39 MeV, [triton from 7Li breakup]; measured on-line and off-line Eγ, Iγ, σ(E) for 2n+3n+4n, complete fusion σ(E), total fusion σ(E), incomplete fusion σ(E) for 1n-stripping and 1n-pickup channels at the 14UD BARC-TIFR Pelletron-Linac accelerator facility, Mumbai. Comparison with theoretical calculations of σ(E) using CCFULL code, and continuum discretized coupled channel (CDCC) formalism. 125m,128I; measured decay curves and half-lives.
doi: 10.1103/PhysRevC.97.014607
2017DO04 Eur.Phys.J. A 53, 74 (2017) N.Dokania, V.Nanal, G.Gupta, S.Pal, R.G.Pillay, P.K.Rath, V.I.Tretyak, A.Garai, H.Krishnamoorthy, C.Ghosh, P.K.Raina, K.G.Bhushan New limit for the half-life of double beta decay of 94Zr to the first excited state of 94Mo RADIOACTIVITY 94Zr(2β-); measured Eγ, Iγ using TiLES with low background, high efficiency p-type HPGe and three plastic scintillators outside the box; deduced lower T1/2 limit for transition to 94Mo 2+1 state.
doi: 10.1140/epja/i2017-12266-9
2017SI32 Eur.Phys.J. A 53, 244 (2017) Y.K.Singh, R.Chandra, P.K.Raina, P.K.Rath Two neutrino doubleβ-decay of 94 ≤ A ≤ 150 nuclei for the 0+ → 2+ transition RADIOACTIVITY 94,96Zr, 100Mo, 104Ru, 110Pd, 128,130Te, 150Nd(2β); calculated 2ν 2β-decay nuclear transition matrix elements, 2+ state excitation energy, quadrupole moment, 2β transition Q, T1/2 using PHFB approach with four different parameterizations of the effective two-body interaction. Results compared with other calculations (QRPA, RQRPA, SRPA, SU(3), MCM), halflifes also with available data.
doi: 10.1140/epja/i2017-12445-8
2016RA04 Phys.Rev. C 93, 024314 (2016) P.K.Rath, R.Chandra, K.Chaturvedi, P.Lohani, P.K.Raina Nuclear transition matrix elements for Majoron-accompanied neutrinoless double-β decay within a projected-Hartree-Fock-Bogoliubov model RADIOACTIVITY 94,96Zr, 100Mo, 128,130Te, 150Nd(2β-); calculated nuclear transition matrix elements for the 0+ to 0+ transitions in Majoron accompanied 0νββ decay mode by employing the projected-Hartree-Fock-Bogoliubov (PHFB) formalism with four different parametrizations of the pairing plus multipolar two-body interactions and three different parametrizations of the Jastrow short-range correlations; estimated uncertainties in the nuclear transition matrix elements for decays involving the emission of single and double Majorons; deduced limits on the effective Majoron-neutrino coupling constants from available limits on experimental half-lives.
doi: 10.1103/PhysRevC.93.024314
2015VA16 Phys.Rev. C 92, 034610 (2015) E.Vardaci, P.N.Nadtochy, A.Di Nitto, A.Brondi, G.La Rana, R.Moro, P.K.Rath, M.Ashaduzzaman, E.M.Kozulin, G.N.Knyazheva, I.M.Itkis, M.Cinausero, G.Prete, D.Fabris, G.Montagnoli, N.Gelli Fission dynamics of intermediate-fissility systems: A study within a stochastic three-dimensional approach NUCLEAR REACTIONS 100Mo(32S, X)132Ce*, E=200 MeV pulsed beam; measured particle multiplicities, proton- and α-particle energy spectra, and angular distributions of light-charged-particle (LCPs) in the fusion-fission (FF) and evaporation-residue (ER) channels, (ER)α(θ), (ER)p(θ) using BALL sector of 8πLP apparatus and TOF spectrometer CORSET at XTU Tandem-ALPI accelerator complex of LNL-Legnaro; deduced mass-energy distribution (MEDs), mass and total-kinetic-energy (TKE) distributions of fission fragments, fission time distribution and fission rate, yields of pre-scission particle multiplicities versus time of emission from equilibrium. Data analyzed using dynamical model based on three-dimensional Langevin equations. Theoretical analysis using multidimensional stochastic approach coupled with a Hauser-Feshbach treatment of particle evaporation.
doi: 10.1103/PhysRevC.92.034610
2014PA31 Phys.Rev. C 90, 014603 (2014) A.Parihari, S.Santra, A.Pal, N.L.Singh, K.Mahata, B.K.Nayak, R.Tripathi, K.Ramachandran, P.K.Rath, R.Chakrabarti, S.Kailas Fission fragment angular distributions in 6, 7Li + 235, 238U reactions NUCLEAR REACTIONS 235,238U(6Li, F), (7Li, F), E=28-42 MeV; measured fission fragment spectra, fission fragment σ(θ, E), fission and fusion σ(E), fission fragment anisotropies as a function of center of mass energy at 14 UD BARC-TIFR pelletron facility; deduced mean square angular momenta <L2> from fission fragment anisotropy. Comparison with statistical saddle-point model (SSPM), entrance-channel dependent (ECD), and coupled-channel (CCDEF code) calculations. Discussed effect of projectile breakup.
doi: 10.1103/PhysRevC.90.014603
2014SA71 Phys.Rev. C 90, 064620 (2014) S.Santra, A.Pal, P.K.Rath, B.K.Nayak, N.L.Singh, D.Chattopadhyay, B.R.Behera, V.Singh, A.Jhingan, P.Sugathan, K.S.Golda, S.Sodaye, S.Appannababu, E.Prasad, S.Kailas Effect of projectile breakup on fission-fragment mass distributions in the 6, 7Li + 238U reactions NUCLEAR REACTIONS 238U(6Li, F), E=30, 34, 39, 45, 50 MeV; 238U(7Li, F), E=31.4, 35.4, 40.4, 41.4, 45, 51.4 MeV; measured fission fragment spectra, time-of-flight, fission-fragment folding angle distributions at IUAC-New Delhi Pelletron facility; deduced yield of fission fragments as a function of fragment mass, fission-fragment mass distribution, peak to valley (P:V) ratio of fission fragment mass distribution, mass distributions for complete fusion (CF) and total fusion (TF) events. Comparison with previous experimental results.
doi: 10.1103/PhysRevC.90.064620
2013PA34 Pramana 81, 587 (2013) D.Patel, S.Santra, S.Mukherjee, B.K.Nayak, P.K.Rath, V.V.Parkar, R.K.Choudhury Elastic scattering and fusion cross-sections in 7Li + 27Al reaction NUCLEAR REACTIONS 27Al(7Li, 7Li), (7Li, X)30Si/29Si/28Si/26Mg/29Al, E=8-16 MeV; measured reaction products, Eα, Iα; deduced σ, σ(θ, E). Comparison with coupled-channels and transfer calculations using FRESCO.
doi: 10.1007/s12043-013-0597-1
2013RA04 Phys.Rev. C 87, 014301 (2013) P.K.Rath, R.Chandra, K.Chaturvedi, P.Lohani, P.K.Raina, J.G.Hirsch Uncertainties in nuclear transition matrix elements for β+β+ and eβ+ modes of neutrinoless positron double-β decay within the projected Hartree-Fock-Bogoliubov model RADIOACTIVITY 96Ru, 102Pd, 106Cd, 124Xe, 130Ba, 156Dy(2β+), (β+EC); calculated nuclear transition matrix elements and half-lives for neutrinoless double β decay for light and heavy Majorana neutrino exchanges using the projected Hartree-Fock-Bogoliubov (PHFB) model with different parametrizations of pairing plus multipolar two-body interactions.
doi: 10.1103/PhysRevC.87.014301
2013RA27 Phys.Rev. C 88, 044617 (2013) P.K.Rath, S.Santra, N.L.Singh, B.K.Nayak, K.Mahata, R.Palit, K.Ramachandran, S.K.Pandit, A.Parihari, A.Pal, S.Appannababu, SushilK.Sharma, D.Patel, S.Kailas Complete fusion in 7Li+144, 152Sm reactions NUCLEAR REACTIONS 144,152Sm(7Li, xn), E=20-40 MeV; measured Eγ, Iγ, σ(E) for evaporation residues (ER) 147,147m,148,148m,149,149m,154,155,156Tb formed in x=2-5 channels, and complete fusion σ(E) at BARC-TIFR facility; deduced level-density parameter; calculated σ(E) for ER using statistical model code PACE, σ(E) for fusion using CCFULL and FRESCO coupled-channel codes. Comparison of scaled σ with other reactions and universal fusion function.
doi: 10.1103/PhysRevC.88.044617
2013RA31 Phys.Rev. C 88, 064322 (2013) P.K.Rath, R.Chandra, K.Chaturvedi, P.Lohani, P.K.Raina, J.G.Hirsch Neutrinoless ββ decay transition matrix elements within mechanisms involving light Majorana neutrinos, classical Majorons, and sterile neutrinos RADIOACTIVITY 94,96Zr, 98,100Mo, 104Ru, 110Pd, 128,130Te, 150Nd(2β-); calculated nuclear transition matrix elements for the 0νββ decay mode involving light Majorana neutrinos, classical Majorons, and sterile neutrinos; deduced limits on the effective average neutrino mass from available limits on experimental half-lives. Projected-Hartree-Fock-Bogoliubov (PHFB) model with four different parameterizations of the pairing plus multipolar type effective two-body interaction, two sets of form factors, and two (three) different parameterizations of Jastrow type of short-range correlations.
doi: 10.1103/PhysRevC.88.064322
2012GH07 Int.J.Mod.Phys. E21, 1250070 (2012) S.K.Ghorui, P.K.Raina, P.K.Rath, A.K.Singh, Z.Naik, S.K.patra, C.R.Praharaj Rotational bands and electromangnetic transitions of some even-even neodymium nuclei in projected Hartree-Fock model NUCLEAR STRUCTURE 150,152,154,156,158,160Nd; calculated level energies, J, π, quadrupole moments, deformation parameters, B(E2), K-isomer bands. Self-consistent Hartree-Fock and angular momentum projection model.
doi: 10.1142/S021830131250070X
2012KU22 Phys.Rev. C 86, 024607 (2012) H.Kumawat, V.Jha, V.V.Parkar, B.J.Roy, S.K.Pandit, R.Palit, P.K.Rath, C.S.Palshetkar, SushilK.Sharma, S.Thakur, A.K.Mohanty, A.Chatterjee, S.Kailas Fusion reaction studies for the 6Li + 90Zr system at near-barrier energies NUCLEAR REACTIONS 90Zr(6Li, X)90Nb/93mMo/93Tc/93mTc/94Tc/94mTc/95Tc/95mTc, E=13-30 MeV; measured Eγ, Iγ, fusion σ(E) for ground states and isomers. Comparisons with CASCADE, CDCC-1DBPM, BPM+breakup coupling, and absorption model calculations.
doi: 10.1103/PhysRevC.86.024607
2012RA01 Nucl.Phys. A874, 14 (2012) P.K.Rath, S.Santra, N.L.Singh, K.Mahata, R.Palit, B.K.Nayak, K.Ramachandran, V.V.Parkar, R.Tripathi, S.K.Pandit, S.Appannababu, N.N.Deshmukh, R.K.Choudhury, S.Kailas Fusion of 6Li with 152Sm: Role of projectile breakup versus target deformation NUCLEAR REACTIONS 152Sm(6Li, xn), E=20-40 MeV; measured Eγ, Iγ; deduced complete, incomplete fusion σ also for isomeric states 154Tbm1,154Tbm2, reaction mechanism; calculated σ using CC and statistical code PACE, fusion σ using proximity potentials; deduced level density parameters. Comparison of scaled σ with other reactions.
doi: 10.1016/j.nuclphysa.2011.10.004
2012RA04 Phys.Rev. C 85, 014308 (2012) P.K.Rath, R.Chandra, P.K.Raina, K.Chaturvedi, J.G.Hirsch Uncertainties in nuclear transition matrix elements for neutrinoless ββ decay: The heavy Majorana neutrino mass mechanism RADIOACTIVITY 94,96Zr, 98,100Mo, 104Ru, 110Pd, 128,130Te, 150Nd(2β-); calculated nuclear transition matrix elements MN(0ν) and estimated uncertainties due to the exchange of heavy Majorana neutrino. Projected-Hartree-Fock-Bogoliubov (PHFB) model with four different parameterization of the pairing plus the multipolar type of effective two-body interaction and three different parameterization of the Jastrow type of short-range correlations.
doi: 10.1103/PhysRevC.85.014308
2012SA03 Phys.Rev. C 85, 014612 (2012) S.Santra, S.Kailas, V.V.Parkar, K.Ramachandran, V.Jha, A.Chatterjee, P.K.Rath, A.Parihari Disentangling reaction mechanisms for α production in the 6Li + 209Bi reaction NUCLEAR REACTIONS 209Bi(6Li, α), E=24-50 MeV; measured particle spectra, inclusive breakup α cross sections, σ(E, θ) for α production; calculated breakup and transfer channel contributions. Sum-rule model. Comparison with continuum-discretized-coupled-channels calculations. Systematics of experimental inclusive breakup α cross sections with 6Li projectile and 28Si, 58Ni, 59Co, 90Zr, 118,120Sn, 208Pb, 209Bi targets.
doi: 10.1103/PhysRevC.85.014612
2011AP01 Phys.Rev. C 83, 034605 (2011) S.Appannababu, S.Mukherjee, B.K.Nayak, R.G.Thomas, P.Sugathan, A.Jhingan, E.Prasad, D.Negi, N.N.Deshmukh, P.K.Rath, N.L.Singh, R.K.Choudhury Fission fragment mass distributions in reactions forming the 213Fr compound nucleus NUCLEAR REACTIONS 186W(27Al, X), E=123-140 MeV; 197Au(16O, X), E=79-100 MeV; measured fission fragment spectra; deduced density plots for mass ratio vs center of mass angle, mass ratio distributions 213Fr; deduced mass variance. Comparison with theoretical calculations.
doi: 10.1103/PhysRevC.83.034605
2011AP02 Phys.Rev. C 83, 067601 (2011); Pub Note Phys.Rev. C 83, 069902 (2011) S.Appannababu, R.G.Thomas, L.S.Danu, P.K.Rath, Y.K.Gupta, B.V.John, B.K.Nayak, D.C.Biswas, A.Saxena, S.Mukherjee, R.K.Choudhury Fission fragment angular distributions in the 9Be + 232Th reaction NUCLEAR REACTIONS 232Th(9Be, X), E=39, 41, 44, 50 MeV; measured fission fragment spectra, σ(E, θ). Comparison with standard statistical saddle-point model (SSPM), and the preequilibrium fission (PEQ) model. Comparison of fission anisotropies for projectiles of 7Li, 9Be, 11B, 12C, 16O and 19F on 232Th target.
doi: 10.1103/PhysRevC.83.067601
2011DE05 Phys.Rev. C 83, 024607 (2011) N.N.Deshmukh, S.Mukherjee, D.Patel, N.L.Singh, P.K.Rath, B.K.Nayak, D.C.Biswas, S.Santra, E.T.Mirgule, L.S.Danu, Y.K.Gupta, A.Saxena, R.K.Choudhury, R.Kumar, J.Lubian, C.C.Lopes, E.N.Cardozo, P.R.S.Gomes Breakup threshold anomaly in the near-barrier elastic scattering of 6Li + 116, 112Sn NUCLEAR REACTIONS 112Sn(6Li, 6Li), (6Li, X), E=21, 23, 25, 35 MeV; 116Sn(6Li, 6Li), (6Li, X), E=20, 21, 22, 23, 26, 30, 35 MeV; measured 6Li spectra by E-ΔE method; deduced elastic scattering σ and total reaction σ. Optical model analysis with phenomenological Woods-Saxon potential. Comparison of reduced cross sections with reaction cross sections for several other systems. Presence of the breakup threshold anomaly.
doi: 10.1103/PhysRevC.83.024607
2011PA25 Radiochim.Acta Supp 1, Proc.in Radiochemistry 131 (2011) V.V.Parkar, R.Palit, S.K.Sharma, B.S.Naidu, P.K.Joshi, S.Santra, P.K.Rath, K.Ramachandran, K.Mahata, T.Trivedi, A.Raghav Complete and incomplete fusion in 9Be + 124Sn system NUCLEAR REACTIONS 124Sn(9Be, X), E=26-46 MeV; measured reaction products, Eγ, Iγ; deduced σ.
doi: 10.1524/rcpr.2011.0024
2010PA32 Phys.Rev. C 82, 054601 (2010) V.V.Parkar, R.Palit, Sushil K.Sharma, B.S.Naidu, S.Santra, P.K.Joshi, P.K.Rath, K.Mahata, K.Ramachandran, T.Trivedi, A.Raghav Fusion cross sections for the 9Be+124Sn reaction at energies near the Coulomb barrier NUCLEAR REACTIONS 124Sn(9Be, X), E=26-38 MeV; measured Eγ, Iγ, complete and incomplete fusion σ using γ-ray activation method. Comparison with coupled-channel (CC) calculations and with data from other reactions.
doi: 10.1103/PhysRevC.82.054601
2010RA06 J.Phys.(London) G37, 055108 (2010) P.K.Rath, R.Chandra, S.Singh, P.K.Raina, J.G.Hirsch Quadrupolar correlations and deformation effect on two-neutrino ϵβ+ and ϵϵ modes of 156Dy isotope NUCLEAR STRUCTURE 156Dy; calculated T1/2 for ECβ+ and 2EC-decay; deduced the effect of quadrupole deformation on the nuclear matrix element. HFB framework.
doi: 10.1088/0954-3899/37/5/055108
2010RA13 Pramana 75, 281 (2010) Structure of nuclear transition matrix elements for neutrinoless double-β decay RADIOACTIVITY 96Zr, 98,100Mo, 104Ru, 110Pd, 128,130Te, 150Nd(2β-); calculated deformation parameters, neutrinoless nuclear matrix elements, T1/2.
doi: 10.1007/s12043-010-0116-6
2010RA20 Phys.Rev. C 82, 064310 (2010) P.K.Rath, R.Chandra, K.Chaturvedi, P.K.Raina, J.G.Hirsch Uncertainties in nuclear transition matrix elements for neutrinoless ββ decay within the projected-Hartree-Fock-Bogoliubov model RADIOACTIVITY 94,96Zr, 98,100Mo, 104Ru, 110Pd, 128,130Te, 150Nd(2β-); calculated nuclear transition matrix elements (NTME), short-range correlations (SRC) and radial evolutions of NTMEs, limit on effective light Majorana neutrino mass, and half-lives for neutrinoless ββ decay in 0+ to 0+ transitions using projected-Hartree-Fock-Bogoliubov (PHFB) model with several different parametrizations.
doi: 10.1103/PhysRevC.82.064310
2009AP03 Phys.Rev. C 80, 024603 (2009) S.Appannababu, S.Mukherjee, N.L.Singh, P.K.Rath, G.Kiran Kumar, R.G.Thomas, S.Santra, B.K.Nayak, A.Saxena, R.K.Choudhury, K.S.Golda, A.Jhingan, R.Kumar, P.Sugathan, H.Singh Absence of entrance channel effects in fission fragment anisotropies of the 215Fr compound nucleus NUCLEAR REACTIONS 197Au(18O, X)215Fr, E=77.7-96.7 MeV; 204Pb(11B, X)215Fr, E=51.5-63.5 MeV; measured fission fragment angular distributions and anisotropies of the 215Fr compound nucleus; deduced fission excitation functions, fusion barrier distributions. Comparison with standard saddle-point statistical model (SSPSM) calculations.
doi: 10.1103/PhysRevC.80.024603
2009CH23 Europhys.Lett. 86, 32001 (2009) R.Chandra, K.Chaturvedi, P.K.Rath, P.K.Raina, J.G.Hirsch Multipolar correlations and deformation effect on nuclear transition matrix elements of double-β decay NUCLEAR STRUCTURE 94,96Zr, 94,96,98,100Mo, 98,100,104Ru, 104,110Pd, 110Cd, 128,130Te, 128,130Xe, 150Nd, 150Sm; Calculated deformation parameters, nuclear transition matrix elements for 2β-decay. PHFB function, two-body interaction.
doi: 10.1209/0295-5075/86/32001
2009RA08 Phys.Rev. C 79, 051601 (2009) P.K.Rath, S.Santra, N.L.Singh, R.Tripathi, V.V.Parkar, B.K.Nayak, K.Mahata, R.Palit, Suresh Kumar, S.Mukherjee, S.Appannababu, R.K.Choudhury Suppression of complete fusion in the 6Li+144Sm reaction NUCLEAR REACTIONS 144Sm(6Li, 2n), (6Li, 3n), E=20-40 MeV; measured Eγ, Iγ, cross sections. 159Tb, 165Ho(7Li, X), 162Dy(α, X), 160Gd(12C, X), E not given; discussed systematics of reactions. Comparison with coupled channel calculations.
doi: 10.1103/PhysRevC.79.051601
2009RA26 Phys.Rev. C 80, 044303 (2009) P.K.Rath, R.Chandra, K.Chaturvedi, P.K.Raina, J.G.Hirsch Deformation effects and neutrinoless positron ββ decay of 96Ru, 102Pd, 106Cd, 124Xe, 130Ba, and 156Dy isotopes within a mechanism involving Majorana neutrino mass RADIOACTIVITY 96Ru, 102Pd, 106Cd, 124Xe, 130Ba, 156Dy(2β+), (β+EC); calculated nuclear transition matrix elements (NTME) and half-lives in neutrinoless double-beta decay from 0+ to 0+ states using projected Hartree-Fock-Bogoliubov framework. Comparison with experimental data.
doi: 10.1103/PhysRevC.80.044303
2008CH27 Phys.Rev. C 78, 054302 (2008) K.Chaturvedi, R.Chandra, P.K.Rath, P.K.Raina, J.G.Hirsch Nuclear deformation and neutrinoless double-β decay of 94, 96Zr, 98, 100Mo, 104Ru, 110Pd, 128, 130Te, and 150Nd nuclei within a mechanism involving neutrino mass RADIOACTIVITY 94,96Zr, 98,100Mo, 104Ru, 110Pd, 128,130Te, 150Nd(2β-); calculated limits on half-lives, neutrino masses. Hartree-Fock-Bogoliubov model.
doi: 10.1103/PhysRevC.78.054302
2007SH04 J.Phys.(London) G34, 549 (2007) Study of two neutrino β+β+/β+ EC/ECEC decay of 124, 126Xe and 130, 132Ba for 0+ → 0+ transition in PHFB model RADIOACTIVITY 124,126Xe, 130,132Ba(2β+), (β+EC), (2EC); calculated 2νββ-decay T1/2. Projected Hartree-Fock-Bogoliubov model. NUCLEAR STRUCTURE 124,126,130,132Xe, 124,126Te, 130,132Ba; calculated level energies, configurations, quadrupole moments, B(E2). Projected Hartree-Fock-Bogoliubov model.
doi: 10.1088/0954-3899/34/3/013
2007SI25 Eur.Phys.J. A 33, 375 (2007) S.Singh, R.Chandra, P.K.Rath, P.K.Raina, J.G.Hirsch Nuclear deformation and the two-neutrino double-β decay in 124, 126Xe, 128, 130Te, 130, 132Ba and 150Nd isotopes RADIOACTIVITY 128,130Te, 150Nd(β-β-); 124,126Xe, 130,132Ba(β+β+), (β+EC), (2EC); calculated decay rates and T1/2 using PHFB model. Compared results to available data. NUCLEAR STRUCTURE 124,126,128,130Te, 124,126,128,130,132Xe, 130,132Ba, 150Nd, Sm; calculated level energies, J, π, B(E2), Quadrupole moments, and g-factors using the PHFB model. Compared results to avialable data.
doi: 10.1140/epja/i2007-10481-7
2006RA13 Eur.Phys.J. A 28, 27 (2006) P.K.Raina, A.Shukla, S.Singh, P.K.Rath, J.G.Hirsch The 0+ → 0+ positron double-β decay with emission of two neutrinos in the nuclei 96Ru, 102Pd, 106Cd and 108Cd NUCLEAR STRUCTURE 96,102Ru, 96Mo, 102,106,108Pd, 106,108Cd; calculated levels, B(E2), quadrupole moments, g-factors. Projected Hartree-Fock-Bogoliubov model, comparison with data. RADIOACTIVITY 96Ru, 102Pd, 106,108Cd(2β+); calculated 2νββ-, 2νβEC-, 2νECEC-decay T1/2, deformation effects. Projected Hartree-Fock-Bogoliubov model, comparison with data.
doi: 10.1140/epja/i2005-10280-2
2005CH04 Eur.Phys.J. A 23, 223 (2005) R.Chandra, J.Singh, P.K.Rath, P.K.Raina, J.G.Hirsch Two-neutrino double-β decay of 94 ≤ A ≤ 110 nuclei for the 0+ → 0+ transition NUCLEAR STRUCTURE 94,96Zr, 94,96,98,100Mo, 98,100,104Ru, 104,110Pd, 110Cd; calculated levels, J, π, B(E2), quadrupole moments, g-factors. Projected Hartree-Fock-Bogoliubov model, comparison with data. RADIOACTIVITY 94,96Zr, 98,100Mo, 104Ru, 110Pd(2β-); calculated 2νββ-decay T1/2, deformation effects. Projected Hartree-Fock-Bogoliubov model, comparisons with data.
doi: 10.1140/epja/i2004-10087-7
2005SH02 Eur.Phys.J. A 23, 235 (2005) A.Shukla, P.K.Raina, R.Chandra, P.K.Rath, J.G.Hirsch Two-neutrino positron double-beta decay of 106Cd for the 0+ → 0+ NUCLEAR STRUCTURE 106Pd, 106Cd; calculated levels, J, π, B(E2), quadrupole moments, g-factors. Projected Hartree-Fock-Bogoliubov model, comparison with data. RADIOACTIVITY 106Cd(2β+); calculated 2νββ-decay T1/2, deformation effects. Projected Hartree-Fock-Bogoliubov model, comparisons with data.
doi: 10.1140/epja/i2004-10084-x
2005SH47 Pramana 64, 207 (2005) Exploring effective interactions through transition charge density study of 70, 72, 74, 76Ge nuclei NUCLEAR STRUCTURE 70,72,74,76Ge; calculated transition charge densities, B(E2). Microscopic variational framework, several effective interactions compared with data.
doi: 10.1007/BF02704875
2005SI38 Pramana 65, 517 (2005) J.Singh, R.Chandra, P.K.Raina, P.K.Rath Two-neutrino double β decay of 96Zr to excited 2+ state of 96Mo RADIOACTIVITY 96Zr(2β-); calculated 2νββ-decay T1/2 for decay to excited state. NUCLEAR STRUCTURE 96Zr, 96Mo; calculated 2+ levels B(E2), quadrupole moments, g factors.
doi: 10.1007/BF02704209
2004RA25 Yad.Fiz. 67, 2043 (2004); Phys.Atomic Nuclei 67, 2021 (2004) P.K.Raina, A.Shukla, P.K.Rath, B.M.Dixit, K.Chaturvedi, R.Chandra, S.K.Dhiman, A.J.Singh The np Interaction Effects on the Double-Beta Decay Nuclear Matrix Elements for Medium-Mass Nuclei RADIOACTIVITY 100Mo(2β-); 106Cd(2β+), (β+EC), (2EC); calculated 2ν-accompanied 2β-decay T1/2, matrix elements. Comparison with data.
doi: 10.1134/1.1825522
2003CH31 Phys.Rev. C 67, 064317 (2003) K.Chaturvedi, B.M.Dixit, P.K.Rath, P.K.Raina Two neutrino double β decay of 100Mo to the 2+ excited state of 100Ru RADIOACTIVITY 100Mo(2β-); calculated 2ν-accompanied 2β-decay T1/2, transition probability for decay to excited state. Projected Hartree-Fock-Bogoliubov framework, comparison with data.
doi: 10.1103/PhysRevC.67.064317
2002DI08 Phys.Rev. C65, 034311 (2002); Erratum Phys.Rev. C67, 059901 (2003) B.M.Dixit, P.K.Rath, P.K.Raina Deformation Effect on the Double Gamow-Teller Matrix Element of 100Mo for the 0+ → 0+ Transition NUCLEAR STRUCTURE 100Mo, 100Ru; calculated level energies, quadrupole moments, B(E2), g factors. Hartree-Fock-Bogoliubov framework. RADIOACTIVITY 100Mo(2β-); calculated 2ν-accompanied 2β-decay Gamow-Teller matrix elements, T1/2, deformation effects. Hartree-Fock-Bogoliubov framework.
doi: 10.1103/PhysRevC.65.034311
1990RA06 J.Phys.(London) G16, 245 (1990) P.K.Rath, A.Faessler, H.Muther, A.Watt A Practical Solution to the Problem of Spurious States in Shell-Model Calculations NUCLEAR STRUCTURE 16O; calculated levels. Spuriosity elimination, Lanczos iteration scheme.
doi: 10.1088/0954-3899/16/2/013
1990SH02 Phys.Rev. C41, 1315 (1990) S.K.Sharma, G.Mukherjee, P.K.Rath Double Gamow-Teller Matrix Elements in the Germanium Region RADIOACTIVITY 76Ge, 82Se(2β); calculated 2β-decay matrix elements. Variational wave functions.
doi: 10.1103/PhysRevC.41.1315
1989RA04 Nucl.Phys. A492, 127 (1989) P.K.Rath, A.Faessler, H.Muther, A.Watt Study of Three-Nucleon Forces in the sd-Shell NUCLEAR STRUCTURE 22Na, 22Ne, 39,38K, 38Ar; calculated levels. Shell model, three-nucleon forces.
doi: 10.1016/0375-9474(89)90512-5
1988RA35 Phys.Rev. C38, 2928 (1988) Gyromagnetic Factors of the High-Spin Yrast States in Some Doubly Even Germanium and Selenium Isotopes NUCLEAR STRUCTURE 68,70,72,74,76Ge, 72,74,76,78,80Se; calculated g. Variation after projection.
doi: 10.1103/PhysRevC.38.2928
1987CZ01 Nucl.Phys. A465, 189 (1987) P.Czerski, H.Muther, P.K.Rath, A.Faessler, W.H.Dickhoff Effective Operator for the Transition Density NUCLEAR STRUCTURE 58Ni; calculated level energy, electric transition density.
doi: 10.1016/0375-9474(87)90430-1
1986HA27 Nucl.Phys. A456, 253 (1986) H.J.Hauser, M.Walz, F.Weng, G.Staudt, P.K.Rath (p, α) Reactions on 9Be and 10B for E(p) = 18-45 MeV NUCLEAR REACTIONS 9Be, 10B(p, α), E=18-45 MeV; measured σ(E, θ). 6Li, 7Be levels deduced spectroscopic factors. Enriched targets.
doi: 10.1016/0375-9474(86)90392-1
1985MU10 Nucl.Phys. A442, 68 (1985) H.Muther, A.Polls, P.K.Rath, A.Faessler Many-Body Terms in the Folded Diagram Expansion NUCLEAR STRUCTURE 20Ne; calculated levels. Folded diagram expansion, many-body terms.
doi: 10.1016/0375-9474(85)90133-2
1984RA13 Nucl.Phys. A427, 511 (1984) P.K.Rath, H.Muther, A.Polls, A.Faessler, B.Metsch, D.Zwarts Spectra of sd-Shell Nuclei and Three-Nucleon Forces NUCLEAR STRUCTURE 20,21Ne, 20F, 20O, 21Na, 21Mg; calculated levels. A=19-21; calculated average level shifts. Shell model, three-nulceon forces.
doi: 10.1016/0375-9474(84)90228-8
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