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NSR database version of May 10, 2024.

Search: Author = Pragati

Found 15 matches.

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2023CH32      J.Phys.(London) G50, 075106 (2023)

S.Chakraborty, H.P.Sharma, S.Jehangir, S.S.Tiwary, C.Majumder, A.K.Gupta, G.H.Bhat, J.A.Sheikh, N.Rather, P.Banerjee, S.Ganguly, S.Rai, Pragati, S.Muralithar, R.P.Singh, S.S.Bhattacharjee, S.Kumar, Mayank, A.Kumar, R.Palit

Three-quasineutron γ-band in 127Xe

NUCLEAR REACTIONS 122Sn(9Be, 4n), E=48 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies and relative intensities, J, π, partial level scheme, structures of negative parity multi-quasiparticle states, new negative parity bands. Comparison with the triaxial projected shell model (TPSM) approach. The Indian National Gamma Array (INGA), the 15UD pelletron accelerator facility at Inter-University Accelerator Centre (IUAC), New Delhi.

doi: 10.1088/1361-6471/acd86a
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2023CH36      Nucl.Phys. A1037, 122706 (2023)

S.Chakraborty, H.P.Sharma, S.S.Tiwary, C.Majumder, A.K.Gupta, P.Banerjee, S.Ganguly, S.Rai, Pragati, Mayank, S.Kumar, A.Kumar, R.Palit, S.S.Bhattacharjee, R.P.Singh, S.Muralithar

Incipient reflection asymmetry in 127Xe

NUCLEAR REACTIONS 122Sn(9Be, Xn)127Xe/126Xe/128Xe, E=48 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies and relative intensities, J, π, partial level scheme, B(E1)/B(E2). 15UD palletron accelerator of Inter-University Accelerator Centre (IUAC), New Delhi.

doi: 10.1016/j.nuclphysa.2023.122706
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2022MA16      Phys.Rev. C 105, 034308 (2022)

Madhu, K.Yadav, A.Y.Deo, Pragati, P.C.Srivastava, S.K.Tandel, S.G.Wahid, S.Kumar, S.Muralithar, R.P.Singh, I.Bala, S.S.Bhattacharjee, R.Garg, S.Chakraborty, S.Rai, A.K.Jain

Evolution of nuclear structure through isomerism in 216Fr

NUCLEAR REACTIONS 208Pb(11B, 3n), E=54-62 MeV; measured Eγ, Iγ, γ(θ), γγ-coin. 216Fr; deduced high-spin isomers, J, π, T1/2 of isomeric states, γ-ray branching ratios, B(E1), B(M2), single-particle transition rates, configurations. Half-lives extracted using centroid-shift and decay-curve analyses. Systematics of the 11+ isomers properties in the 216Fr, 212At, 218Ac. Comparison to the shell-model calculations. Beam from 15 UD Pelletron accelerator at Inter-University Accelerator Centre (IUAC). Detector system - Indian National Gamma Array (INGA) with 14 Compton suppressed clover HPGe.

doi: 10.1103/PhysRevC.105.034308
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2022YA10      Phys.Rev. C 105, 034307 (2022)

K.Yadav, A.Y.Deo, Madhu, Pragati, P.C.Srivastava, S.K.Tandel, S.G.Wahid, S.Kumar, S.Muralithar, R.P.Singh, I.Bala, S.S.Bhattacharjee, R.Garg, S.Chakraborty, S.Rai, A.K.Jain

Level structure in the transitional nucleus 215Fr

NUCLEAR REACTIONS 208Pb(11B, 4n), E=54-62 MeV; measured Eγ, Iγ, γ(θ), γγ-coin, γγγ-coin. 215Fr; deduced levels, high-spin states, J, π, δ, DCO-ratios, γ-ray multipolarities, polarization, T1/2 of the excited states, configurations; calculated levels, J, π, B(E2), B(M1), B(E3), δ. Large scale shell model calculations with CD-Bonn NN potential. Discussed possible structure of yrast and near-yrast lines. Beam from 15 UD Pelletron accelerator at Inter-University Accelerator Centre (IUAC). Detector system - Indian National Gamma Array (INGA) with 14 Compton suppressed clover HPGe.

doi: 10.1103/PhysRevC.105.034307
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2021CH58      Int.J.Mod.Phys. E30, 2150085 (2021)

S.Chakraborty, H.P.Sharma, S.S.Tiwary, C.Majumder, A.K.Gupta, P.Banerjee, S.Ganguly, S.Rai, Pragati, Mayank, S.Kumar, S.S.Bhattacharjee, R.P.Singh, S.Muralithar, A.Kumar, R.Palit

A note on the parity of Iπ = 5- state in 126, 128Xe

NUCLEAR REACTIONS 122Sn(9Be, 5n), (9Be, 3n), E=48 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies and intensities, J, π, level scheme, Weisskopf transition rates, Directional Correlations from Oriented states ratios (RDCO) and linear polarization asymmetries. The 15UD pelletron accelerator facility of Inter-University Accelerator Centre, New Delhi. INGA spectrometer.

doi: 10.1142/S0218301321500853
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2020CH05      Nucl.Phys. A996, 121687 (2020)

S.Chakraborty, H.P.Sharma, S.S.Tiwary, C.Majumder, P.Banerjee, S.Ganguly, S.Rai, Pragati, Mayank, S.Kumar, A.Kumar, R.Palit, S.S.Bhattacharjee, R.P.Singh, S.Muralithar

γ-vibration in 126Xe: A revisit

doi: 10.1016/j.nuclphysa.2019.121687
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2020CH46      Phys.Lett. B 811, 135854 (2020)

S.Chakraborty, H.P.Sharma, S.S.Tiwary, C.Majumder, A.K.Gupta, P.Banerjee, S.Ganguly, S.Rai, Pragati, Mayank, S.Kumar, A.Kumar, R.Palit, S.S.Bhattacharjee, R.P.Singh, S.Muralithar

Multiphonon longitudinal wobbling in 127Xe

NUCLEAR REACTIONS 122Sn(9Be, X)127Xe, E=48 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies, J, π, E2 fraction, wobbling bands. Comparison with available data.

doi: 10.1016/j.physletb.2020.135854
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2020CH48      J.Phys.(London) G47, 015103 (2020)

S.Chakraborty, H.P.Sharma, S.S.Tiwary, C.Majumder, P.Banerjee, S.Ganguly, S.Rai, Pragati, S.Muralithar, R.P.Singh, S.S.Bhattacharjee, S.Kumar, Mayank, A.Kumar, R.Palit

Possible antimagnetic rotational band in 127Xe

NUCLEAR REACTIONS 122Sn(9Be, 4n)127Xe, E=48 MeV; measured reaction products, Eγ, Iγ, γ-γ-coin.; deduced γ-ray energies and intensities, branching ratios, J, π, bands. Comparison with semiclassical particles-plus-rotor model calculations.

doi: 10.1088/1361-6471/ab5374
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2020WA24      Phys.Rev. C 102, 024329 (2020)

S.G.Wahid, S.K.Tandel, S.Suman, M.Hemalatha, A.Patel, P.Roy, A.Y.Deo, Pragati, P.C.Srivastava, B.Bhoy, S.S.Bhattacharjee, R.P.Singh, S.Muralithar, P.Chowdhury, R.V.F.Janssens, M.P.Carpenter, T.L.Khoo, F.G.Kondev, T.Lauritsen, C.J.Lister, D.Seweryniak, S.Zhu, S.Rai, A.Sharma

Metastable states from multinucleon excitations in 202Tl and 203Pb

NUCLEAR REACTIONS 198Pt(7Li, 3n)202Tl, E=31-36 MeV; 197Au(209Bi, X), E=1450 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO), γγ(linear polarization), half-lives of isomers by γ(t) and centroid-shift method using the INGA array at IUAC-New Delhi for the 202Tl experiment, and Gammasphere array at the ATLAS-ANL facility for 203Pb. 202Tl, 203Pb; deduced high-spin levels, isomers, J, π, multipolarities, B(E2), B(E3), configurations. Systematics of energies and B(Eλ) for isomers in 202,203,204Tl and 203,204,205Pb. Comparison with shell-model calculations.

doi: 10.1103/PhysRevC.102.024329
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2019CH15      Europhys.Lett. 125, 52001 (2019)

S.Chakraborty, H.P.Sharma, S.S.Tiwary, C.Majumder, P.Banerjee, S.Ganguly, S.Rai, Pragati, Mayank, S.Kumar, A.Kumar, S.S.Bhattacharjee, R.P.Singh, S.Muralithar

Search for the 23/2+ isomeric state in 125 Te

NUCLEAR REACTIONS 122Sn(9Be, X)125Te, E=48 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies, J, π, high-spin states, isomeric state. Comparison with systematics.

doi: 10.1209/0295-5075/125/52001
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2019TI07      Eur.Phys.J. A 55, 163 (2019)

S.S.Tiwary, H.P.Sharma, S.Chakraborty, C.Majumder, G.H.Bhat, J.A.Sheikh, P.Baneerjee, S.Ganguly, S.Rai, Pragati, Mayank, S.Kumar, A.Kumar, S.S.Bhattacharjee, R.P.Singh, S.Muralithar

Observation of quasi-γ bands in Te nuclei

NUCLEAR REACTIONS 122Sn(9Be, 3nα)124Te, E=48 MeV; measured Eγ, Iγ(θ), γγ-coin, γγγ-coin using INGA array (14 Compton suppressed HPGe clover detectors); deduced energy and intensity of coin using symmetric Eγ-Eγ γ-transitions, multiplicity using asymmetric Eγ-Eγ matrices and INGASORT and RADWARE codes, level energies; deduced, verified 124Te yrast band up to 4596 keV, other rotational bands, relative intensity of γ transitions, RDCO, polarization asymmetry.

doi: 10.1140/epja/i2019-12842-y
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2018CH24      Phys.Rev. C 97, 054311 (2018); Erratum Phys.Rev. C 98, 059902 (2018)

S.Chakraborty, H.P.Sharma, S.S.Tiwary, C.Majumder, P.Banerjee, S.Ganguly, S.Rai, Pragati, S.Modi, P.Arumugam, Mayank, S.Kumar, R.Palit, A.Kumar, S.S.Bhattacharjee, R.P.Singh, S.Muralithar

Rotational band on a three-quasineutron isomer in 127Xe

NUCLEAR REACTIONS 122Sn(9Be, 4n), E=48 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO), γγ(linear polarization), and half-lives of isomers by γγ(t) using INGA array at 15UD pelletron accelerator of IUAC-New Delhi. 127Xe; deduced high-spin levels, J, π, bands, multipolarities, configurations, alignment plots, 3-qp states, reduced K-hindrance factors for γ transitions from 3-qp states in 127Xe and 129Ba. Comparison with modified particle rotor model (MPRM) calculations.

doi: 10.1103/PhysRevC.97.054311
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2018CH29      Europhys.Lett. 121, 42001 (2018)

S.Chakraborty, H.P.Sharma, S.S.Tiwary, C.Majumder, P.Banerjee, S.Ganguly, S.Rai, Pragati, Mayank, S.Kumar, S.S.Bhattacharjee, R.P.Singh, S.Muralithar, A.Kumar, R.Palit

Revised level structure of 127Xe

NUCLEAR REACTIONS 122Sn(9Be, 4n)127Xe, E=48 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies, J, π. Comparison with available data.

doi: 10.1209/0295-5075/121/42001
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Data from this article have been entered in the XUNDL database. For more information, click here.


2018PR03      Phys.Rev. C 97, 044309 (2018)

Pragati, A.Y.Deo, S.K.Tandel, S.S.Bhattacharjee, S.Chakraborty, S.Rai, S.G.Wahid, S.Kumar, S.Muralithar, R.P.Singh, I.Bala, R.Garg, A.K.Jain

Parity doublet structures in doubly-odd 216Fr

NUCLEAR REACTIONS 208Pb(11B, 3n), E=54-62 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO), γγ(linear polarization) using the INGA array at the 15-UD pelletron accelerator facility of IUAC, New Delhi. 216Fr; deduced high-spin levels, J, π, parity doublet (simplex-partner) structures, B(E1)/B(E2) ratios, and enhancement of octupole correlations. Systematics of E1 energy splitting, and angular momentum versus rotational frequency plots for 216Fr, 219,223Th, 218,220Ac, and B(E1)/B(E2) ratios for 216Fr and 218Ac.

doi: 10.1103/PhysRevC.97.044309
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Data from this article have been entered in the XUNDL database. For more information, click here.


2016PR08      Phys.Rev. C 94, 064316 (2016)

Pragati, A.Y.Deo, Zs.Podolyak, P.M.Walker, A.Algora, B.Rubio, J.Agramunt, L.M.Fraile, N.Al-Dahan, N.Alkhomashi, J.A.Briz, M.E.Estevez Aguado, G.Farrelly, W.Gelletly, A.Herlert, U.Koster, A.Maira

Decay of the N=126, 213Fr nucleus

RADIOACTIVITY 213Fr(α), (EC), (β+)[from U(p, X), E=1.4 GeV pulsed beam at ISOLDE-CERN facility]; measured Eγ, Iγ, (x ray)γ- and γγ-coin using HPGe detectors, conversion electrons, (ce)(x ray)-coin using a Mini-Orange magnetic spectrometer and a Si(Li) detector, half-life of 213Fr decay. 209At, 213Rn; deduced levels, J, π, α and ϵ+β+ feedings, α-hindrance factors and logft values. Comparison of level structure with shell-model calculations.

doi: 10.1103/PhysRevC.94.064316
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