NSR Query Results
Output year order : Descending NSR database version of May 19, 2024. Search: Author = K.Atreya Found 8 matches. 2024RO02 Appl.Radiat.Isot. 204, 111140 (2024) A.S.Roy, K.Banerjee, P.Roy, R.Shil, R.Ravishankar, R.Datta, A.Sen, S.Manna, T.K.Ghosh, G.Mukherjee, T.K.Rana, S.Kundu, S.S.Nayak, R.Pandey, D.Paul, K.Atreya, S.Basu, S.Mukhopadhyay, D.Pandit, M.S.Kulkarni, C.Bhattacharya Measurement of energy and directional distribution of neutron ambient dose equivalent for the ^{7}Li(p, n)^{7}Be reaction NUCLEAR REACTIONS ^{7}Li(p, n), E=7.9, 12 MeV; measured reaction products, En, In, TOF; deduced neutron fluence distributions, neutron ambient dose equivalents using the measured fluence distribution using ICRP (International Commission on Radiological Protection) recommended fluence to dose equivalent conversion coefficients.
doi: 10.1016/j.apradiso.2023.111140
2023AT02 Phys.Rev. C 108, 034615 (2023) K.Atreya, A.Sen, T.K.Ghosh, A.K.Nasirov, D.Paul, M.M.Shaikh, K.Banerjee, C.Bhattacharya, S.Kundu, S.Manna, G.Mukherjee, S.Nandi, R.Pandey, T.K.Rana, P.Roy, S.Mukhopadhyay, R.K.Santra Exploring quasifission dynamics in reactions leading to the formation of ^{225}Pa
doi: 10.1103/PhysRevC.108.034615
2021MA77 Eur.Phys.J. A 57, 286 (2021) S.Manna, T.K.Rana, C.Bhattacharya, S.Kundu, R.Pandey, K.Banerjee, P.Roy, A.Sen, T.K.Ghosh, G.Mukherjee, D.Mondal, M.M.Shaikh, J.K.Meena, P.Karmakar, D.Paul, K.Atreya, S.Basu, V.Srivastava, A.Chaudhuri, T.Roy, A.Asgar, A.Dey, A.Dhal, M.Sinha, J.K.Sahoo, A.K.Saha, R.M.Saha, S.Bhattacharya Search for the Hoyle analogue state in ^{16}O NUCLEAR REACTIONS ^{16}O, ^{12}C(α, X), E=45 MeV; measured reaction products, Eα, Iα. ^{16}O, ^{12}C, ^{8}Be; deduced σ, specific decay channels, lack of evidence for the Hoyle analogue state.
doi: 10.1140/epja/s10050-021-00592-8
2021PA30 Phys.Rev. C 104, 024604 (2021) D.Paul, A.Sen, T.K.Ghosh, Md.M.Shaikh, K.Atreya, R.Santra, S.Kundu, T.K.Rana, K.Banerjee, C.Bhattacharya, S.Bhattacharya, J.K.Meena, D.C.Biswas, B.N.Joshi, N.Kumar, G.K.Prajapati, Y.K.Gupta, K.Mahata, K.Ramachandran, S.Pal Fission fragment mass and folding angle distributions in the reaction ^{9}Be +^{238}U NUCLEAR REACTIONS ^{238}U(^{9}Be, F), E=37.5, 39, 42, 47 MeV pulsed beam from BARC-TIFR Pelletron facility in Mumbai; measured fission fragments, σ(E) using two position-sensitive multiwire proportional counters (MWPC) and time-of-flight (TOF) method; deduced folding angle distributions, yields, fission fragment mass distributions, σ(E)(exp)/σ(E)(theory), incomplete fusion fission (ICF) σ(E), half-mass distribution in the fission of the compound nucleus ^{247}Cm at 47 MeV. Comparison with experimental results from ^{6,7}Li-induced reactions on actinide targets, and ^{238}U(p, F), (α, F) and ^{232}Th(^{12}C, F) reactions. Comparison with semiempirical theoretical calculation using GEF code, and with macro-microscopic two-center shell model calculations, considering the admixture of incomplete fusion fission mechanism.
doi: 10.1103/PhysRevC.104.024604
2021RO07 Phys.Rev. C 103, 024602 (2021) P.Roy, S.Mukhopadhyay, M.Aggarwal, D.Pandit, T.K.Rana, S.Kundu, T.K.Ghosh, K.Banerjee, G.Mukherjee, S.Manna, A.Sen, R.Pandey, D.Mondal, S.Pal, D.Paul, K.Atreya, C.Bhattacharya Excitation energy and angular momentum dependence of the nuclear level density parameter around A ≈ 110 NUCLEAR REACTIONS ^{93}Nb(^{16}O, X), E=116, 142, 160 MeV; ^{93}Nb(^{20}Ne, X), E=145, 180 MeV; measured E(n), I(n), Eγ, Iγ, nγ-coin, n(θ), time-of-flight using eight liquid-scintillator-based neutron detectors, and 50-element BaF_{2} detector array for γ detection at the K130 cyclotron facility of VECC, Kolkata; deduced differential σ(E, θ), multiplicity of low-energy γ rays, excitation energy and temperature dependence of the inverse nuclear level density parameter, average angular momenta in the residual nuclei and inverse nuclear level density parameters. ^{104}Ag, ^{107,108}In, ^{111,112}Sb; deduced nuclear density parameters, and compared with microscopic statistical-model calculations.
doi: 10.1103/PhysRevC.103.024602
2021RO09 Eur.Phys.J. A 57, 48 (2021) P.Roy, K.Banerjee, T.K.Rana, S.Kundu, D.Pandit, N.Quang Hung, T.K.Ghosh, S.Mukhopadhyay, D.Mondal, G.Mukherjee, S.Manna, A.Sen, S.Pal, R.Pandey, D.Paul, K.Atreya, C.Bhattacharya Nuclear level density and thermal properties of ^{115}Sn from neutron evaporation NUCLEAR REACTIONS ^{115}In(p, n), E=9, 12 MeV; measured reaction products, Eγ, Iγ, En, In; deduced σ(θ), neutron energy spectra, nuclear level density. Comparison with with the microscopic Hartree-Fock BCS (HFBCS), Hartree-Fock-Bogoliubov plus combinatorial (HFB+C), TALYS nuclear model code.
doi: 10.1140/epja/s10050-021-00373-3
2020PA45 Phys.Rev. C 102, 054604 (2020) D.Paul, A.Sen, T.K.Ghosh, Md.M.Shaikh, K.Atreya, S.Kundu, K.Banerjee, C.Bhattacharya, S.Bhattacharya, J.K.Meena, D.C.Biswas, B.N.Joshi, N.Kumar, G.K.Prajapati, Y.K.Gupta, K.Mahata, K.Ramachandran, S.Pal Measurement of fragment-mass distributions from fission of ^{214}At following the ^{9}Be + ^{205}Tl reaction NUCLEAR REACTIONS ^{205}Tl(^{9}Be, X)^{214}At^{*}, E=42, 43.5, 45, 47 MeV; measured reaction products, yields, time-of-flight difference of the fission fragments, Angular correlations using two position-sensitive multiwire proportional counters (MWPC) at the BARC-TIFR Pelletron facility; deduced fission-fragments mass distributions, half-mass yield distribution, slight asymmetric mass distribution. Comparison with theoretical predictions from a recent macroscopic-microscopic calculation.
doi: 10.1103/PhysRevC.102.054604
2020RO22 Phys.Rev. C 102, 061601 (2020) P.Roy, K.Banerjee, T.K.Rana, S.Kundu, S.Manna, A.Sen, D.Mondal, J.Sadhukhan, M.T.Senthil Kannan, T.K.Ghosh, S.Mukhopadhyay, D.Pandit, G.Mukherjee, S.Pal, D.Paul, K.Atreya, C.Bhattacharya Evidence for the reduction of nuclear level density away from the β-stability line NUCLEAR REACTIONS ^{115}In(p, X)^{116}Sn^{*}, E=9, 12 MeV; ^{112}Sn(α, X)^{116}Te^{*}, E=28 MeV; measured En, In, angular distribution of neutrons, prompt γ radiation, Eγ, Iγ, double-differential σ(E) using the time-of-flight (TOF) technique for neutrons, and a 50-element BaF_{2} detector array for γ rays at the K130 cyclotron facility of VECC-Kolkata; deduced reduction of nuclear level density away from the β-stability line. Comparison with Hauser-Feshbach theoretical predictions using TALYS code with nuclear level density parameters from Gilbert-Cameron (GC), backshifted Fermi gas (BSFG), and generalized superfluid model (GSM). Prediction of level-density parameter compared with microscopic shell-model calculation with Woods-Saxon mean field.
doi: 10.1103/PhysRevC.102.061601
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