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NSR database version of May 3, 2024.

Search: Author = K.Chaturvedi

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2021PA46      Phys.Atomic Nuclei 84, 1203 (2021)

P.Pandey, V.Anand, K.Chaturvedi

Oscillating Neutrino Mass States and Double Beta Decay

RADIOACTIVITY ⁷⁶Ge, ¹⁰⁰Mo, ¹³⁰Te, ¹³⁶Xe(2β^-); analyzed available data; deduced Majorana neutrino mass limits.

doi: 10.1134/S106377882113024X
Citations: PlumX Metrics

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
Citations: PlumX Metrics

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
Citations: PlumX Metrics

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
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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
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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
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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 M_N^(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
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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
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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
Citations: PlumX Metrics

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
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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, 96}Zr, ^{98, 100}Mo, ¹⁰⁴Ru, ¹¹⁰Pd, ^{128, 130}Te, 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
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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 T_1/2, matrix elements. Comparison with data.

doi: 10.1134/1.1825522
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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 T_1/2, transition probability for decay to excited state. Projected Hartree-Fock-Bogoliubov framework, comparison with data.

doi: 10.1103/PhysRevC.67.064317
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