NSR Query Results
Output year order : Descending NSR database version of April 26, 2024. Search: Author = V.Srivastava Found 23 matches. 2024DA02 Phys.Rev. C 109, 014322 (2024) S.Das, S.Bhattacharyya, S.Bhattacharya, S.Chakraborty, S.Shukla, P.C.Srivastava, R.Banik, S.Nandi, G.Mukherjee, I.Bala, S.S.Bhattacharjee, S.Das Gupta, A.Dhal, D.Mondal, S.Muralithar, R.Raut, A.Sharma, R.P.Singh, V.Srivastava High-spin level structure of 209Rn
doi: 10.1103/PhysRevC.109.014322
2021KU18 Phys.Rev. C 104, 014602 (2021) D.Kumar, M.Maiti, R.Prajapat, A.Chauhan, R.Biswas, J.Gehlot, S.Nath, R.Kumar, N.Madhavan, G.N.Jyothi, R.N.Sahoo, M.M.Shaikh, V.Srivastava Analysis of mass-separated evaporation residues formed in 32S + 70, 68Zn fusion reactions: The special case of 97, 95Ru NUCLEAR REACTIONS 68Zn(32S, X), E=130-150 MeV; 70Zn(32S, X), E=115-135 MeV; measured produced evaporation residues (ERs) transported to the focal plane of HIRA detector array and a multiwire proportional counter (MWPC), Eγ, Iγ from the radioactive ERs at the 15 UD Pelletron facility of the Inter-University Accelerator Centre (IUAC), New Delhi; 95mTc, 97,97m,98Rh, 97m,98Ru; measured γ-ray spectra from the decays of the produced ERs; deduced two-dimensional ΔE vs X-position matrices of different mass product, yields of evaporation residues and compared with theoretical yields using semimicroscopic Monte Carlo code TERS. 95,97Ru; deduced maximum production yields.
doi: 10.1103/PhysRevC.104.014602
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 16O NUCLEAR REACTIONS 16O, 12C(α, X), E=45 MeV; measured reaction products, Eα, Iα. 16O, 12C, 8Be; deduced σ, specific decay channels, lack of evidence for the Hoyle analogue state.
doi: 10.1140/epja/s10050-021-00592-8
2021RA05 Phys.Rev. C 103, 034614 (2021) T.K.Rana, S.Kundu, C.Bhattacharya, S.Manna, P.Roy, R.Pandey, A.Sen, T.K.Ghosh, G.Mukherjee, K.Banerjee, S.Mukhopadhyaya, D.Paul, M.M.Shaikh, S.Nandi, V.Srivastava, J.K.Sahoo, J.K.Meena, A.K.Saha, R.M.Saha, S.Dalal, S.Bhattacharya Complex fragment emission in dissipative binary decay of 74, 76Kr NUCLEAR REACTIONS 56Fe(20Ne, X)6Li/7Li/7Be/9Be/10B/11B/11C/12C/13C/14C, E=147.5, 166.5 MeV; 58Ni(16O, X)6Li/7Li/7Be/9Be/10B/11B/11C/12C/13C/14C, E=143.8, 161.6 MeV; measured emitted reaction products, two-dimensional particle identification spectra using two silicon strip detector ΔE-E telescopes of the ChAKRA array at the Variable Energy Cyclotron Centre in Kolkata; deduced double-differential σ(E, θ) for fragments, Q-value distributions of different isotopes, total cross sections and ratio of isotopic cross sections, variation of angular-momentum dissipation factor with different isotopes of the fragments, lifetimes of the dinuclear composites compared with compound-nuclear lifetimes; discussed fragment emission mechanism from hot dinuclear composites.
doi: 10.1103/PhysRevC.103.034614
2020HO02 Phys.Rev. C 101, 014616 (2020) M.M.Hosamani, N.M.Badiger, N.Madhavan, I.Mazumdar, S.Nath, J.Gehlot, A.K.Sinha, S.M.Patel, P.B.Chavan, T.Varughese, Vi.Srivastava, M.M.Shaikh, P.S.Devi, P.V.Laveen, A.Shamlath, M.Shareef, S.K.Duggi, P.V.Madhusudhana Rao, G.N.Jyothi, A.Tejaswi, P.N.Patil, A.Vinayak, K.K.Rajesh, A.Yadav, A.Parihari, R.Biswas, M.Dhibar, D.P.Kaur, M.Ratna Raju, J.Joseph Evaporation-residue-gated spin distribution measurements of the highly fissile compound nucleus 224Th* through 16O + 208Pb and 18O + 206Pb reactions NUCLEAR REACTIONS 208Pb(16O, X)224Th*, E=87, 93.2, 99.3, 105.5, 113.5, 122.6 MeV pulsed beam; 206Pb(18O, X)224Th*, E=85.7, 91.9, 100, 104.1, 108.2, 112.2, 117.4, 121.4 MeV pulsed beam; measured evaporation residues (ER), σ(E) and spin distributions of ERs from deexciting 224Th compound nucleus using the HYbrid Recoil mass Analyzer (HYRA) coupled with the TIFR 4π spin spectrometer of of 32 NaI(Tl) scintillation detectors at the IUAC-New Delhi accelerator facility; deduced experimental and simulated fold distributions, reduced ER σ(E), experimental absolute ER σ(E), including results of previous experiments.
doi: 10.1103/PhysRevC.101.014616
2019RA29 Phys.Lett. B 793, 130 (2019) T.K.Rana, S.Bhattacharya, C.Bhattacharya, S.Manna, S.Kundu, K.Banerjee, R.Pandey, P.Roy, A.Dhal, G.Mukherjee, V.Srivastava, A.Dey, A.Chaudhuri, T.K.Ghosh, A.Sen, Md.A.Asgar, T.Roy, J.K.Sahoo, J.K.Meena, A.K.Saha, R.M.Saha, M.Sinha, A.Roy New high precision study on the decay width of the Hoyle state in 12C RADIOACTIVITY 12C(3α) [from 12C(α, α), E=15 MeV/nucleon]; measured decay products, EnullIα; deduced Dalitz plots, the upper limit for direct decay.
doi: 10.1016/j.physletb.2019.04.028
2019RA30 Phys.Rev. C 100, 044611 (2019) K.K.Rajesh, M.M.Musthafa, N.Madhavan, S.Nath, J.Gehlot, J.Sadhukhan, P.Mohamed Aslam, P.T.Muhammed shan, E.Prasad, M.M.Hosamani, T.Varughese, A.Yadav, V.R.Sharma, V.Srivastava, Md.M.Shaikh, M.Shareef, A.Shamlath, P.V.Laveen Measurement of fusion evaporation residue cross sections in the 48Ti 138Ba reaction NUCLEAR REACTIONS 138Ba(48Ti, X)186Pt*, E=189.3, 195.5, 201.7, 208.9, 215.7, 224.0, 234.4 MeV; measured evaporation residues (ERs), angular distributions and total σ(E) for ERs using hybrid recoil mass analyzer (HYRA) at the Pelletron+LINAC facility of IUAC-New Delhi; deduced evidence of entrance channel effect with increasing values of charge product, and no profound effect of target shell closure. Comparison of data from this experiment and for previous 154Sm(32S, X) reaction to dynamical model calculations with one-dimensional Langevin equations using CCFULL code.
doi: 10.1103/PhysRevC.100.044611
2019SA17 Phys.Rev. C 99, 024607 (2019) R.N.Sahoo, M.Kaushik, A.Sood, P.Kumar, A.Sharma, S.Thakur, P.P.Singh, P.K.Raina, M.M.Shaikh, R.Biswas, A.Yadav, J.Gehlot, S.Nath, N.Madhavan, V.Srivastava, M.K.Sharma, B.P.Singh, R.Prasad, A.Rani, A.Banerjee, U.Gupta, N.K.Deb, B.J.Roy Sub-barrier fusion in the 37Cl + 130Te system NUCLEAR REACTIONS 130Te(37Cl, X), E=121-155 MeV; measured reaction products, evaporation residues, time of flight of evaporation residue, fusion σ(E) using the HIRA recoil mass spectrometer at the 15UD Pelletron accelerator of IUAC-New Delhi; deduced fusion barrier distributions, astrophysical S factor, logarithmic derivative L(E) factor. Comparison with coupled-channels code calculations using CCFULL code. Systematics of reduced fusion excitation functions of 37Cl projectiles on 58,60,62,64Ni, 130Te targets at sub-barrier energies.
doi: 10.1103/PhysRevC.99.024607
2018KU06 Eur.Phys.J. A 54, 63 (2018) S.Kundu, C.Bhattacharya, T.K.Rana, S.Bhattacharya, R.Pandey, K.Banerjee, P.Roy, J.K.Meena, G.Mukherjee, T.K.Ghosh, S.Mukhopadhyay, A.K.Saha, J.K.Sahoo, R.M.Saha, V.Srivastava, M.Sinha, M.A.Asgar Effect of clustering on the emission of light charged particles NUCLEAR REACTIONS 27Al(p, α), E=18 MeV; measured Eα, Iα(θ); deduced σ(Eα, θ); calculated σ(Eα, θ) using CASCADE code with RLDM values of spin-dependent deformation parameters; deduced critical angular momentum, deformation parameters; compared with published results for 15 heavy-ion reactions.
doi: 10.1140/epja/i2018-12494-5
2017PA18 Phys.Rev. C 95, 064603 (2017) R.Pandey, S.Kundu, C.Bhattacharya, K.Banerjee, T.K.Rana, S.Manna, G.Mukherjee, J.K.Meena, A.Chaudhuri, T.Roy, P.Roy, Md.A.Asgar, V.Srivastava, A.Dey, M.Sinha, T.K.Ghosh, S.Bhattacharya, S.K.Pandit, K.Mahata, P.Patle, S.Pal, A.Shrivastava, V.Nanal Fragment emission mechanism in the 32S+12C reaction NUCLEAR REACTIONS 12C(32S, X), E=200, 220 MeV; measured two-dimensional spectra and double-differential σ(θ, E) of 6,7Li, 7,9Be, 10,11B, C, N and O fragments at BARC-TIFR Pelletron-Linac facility; deduced average Q value and total cross sections of fragments, 16O/12C yield and σ(fragment)/σ(12C) as function of excitation energy. Comparison with theoretical calculations using extended Hauser-Feshbach model (EHFM).
doi: 10.1103/PhysRevC.95.064603
2017SE21 Phys.Rev. C 96, 064609 (2017) A.Sen, T.K.Ghosh, S.Bhattacharya, K.Banerjee, C.Bhattacharya, S.Kundu, G.Mukherjee, A.Asgar, A.Dey, A.Dhal, M.M.Shaikh, J.K.Meena, S.Manna, R.Pandey, T.K.Rana, P.Roy, T.Roy, V.Srivastava, P.Bhattacharya Fission fragment mass distributions from 210Po and 213At NUCLEAR REACTIONS 206Pb, 209Bi(α, X)210Po*/213At*, E=37-55 MeV from K-130 cyclotron at VECC, Kolkata; measured fission fragments at two angles using two large area position sensitive multiwire proportional chambers (MWPC), fission σ(E), fission fragment mass distributions, correlated fission fragments by time correlations; deduced variation of the width of mass distribution with excitation energy, asymmetric mass distribution. Comparison with phenomenological statistical model predictions.
doi: 10.1103/PhysRevC.96.064609
2017SR04 Int.J.Mod.Phys. E26, 1750064 (2017) V.Srivastava, C.Bhattacharya, T.K.Rana, S.Manna, S.Kundu, S.Bhattacharya, K.Banerjee, P.Roy, R.Pandey, G.Mukherjee, T.K.Ghosh, J.K.Meena, T.Roy, A.Chaudhuri, M.Sinha, A.K.Saha, Md.A.Asgar, A.Dey, S.Roy, Md.M.Shaikh Study of 26Mg through 1p pick-up reaction 27Al(d, 3He) NUCLEAR REACTIONS 27Al(d, 3He), E=25 MeV; measured reaction products; deduced excitation energy spectra, σ(θ), spectroscopic factors. Comparison with DWBA calculations.
doi: 10.1142/S0218301317500641
2016CH34 Phys.Rev. C 94, 024617 (2016) A.Chaudhuri, A.Sen, T.K.Ghosh, K.Banerjee, J.Sadhukhan, S.Bhattacharya, P.Roy, T.Roy, C.Bhattacharya, Md.A.Asgar, A.Dey, S.Kundu, S.Manna, J.K.Meena, G.Mukherjee, R.Pandey, T.K.Rana, V.Srivastava, R.Dubey, G.Kaur, N.Saneesh, P.Sugathan, P.Bhattacharya Fission fragment mass distributions in reactions populating 200Pb NUCLEAR REACTIONS 184W(16O, X)200Pb*, E*=58.6, 64.1, 69.6, 75.2 MeV; 181Ta(19F, X)200Pb*, E*=59.6, 65.0, 70.4, 75.9 MeV; measured mass distributions of fission fragments as function of excitation energy, and mass angle distributions using sensitive multiwire proportional counters (MWPCs) and pulsed beams at 15UD Pelletron accelerator facility of IUAC-New Delhi; deduced no evidence for quasifission.
doi: 10.1103/PhysRevC.94.024617
2016MA74 Phys.Rev. C 94, 051601 (2016) S.Manna, T.K.Rana, C.Bhattacharya, S.Bhattacharya, S.Kundu, K.Banerjee, P.Roy, R.Pandey, V.Srivastava, A.Chaudhuri, T.Roy, T.K.Ghosh, G.Mukherjee, J.K.Meena, S.K.Pandit, K.Mahata, A.Shrivastava, V.Nanal Survival of cluster correlation in dissipative binary breakup of 24, 25Mg* NUCLEAR REACTIONS 12C(12C, X)6Li/7Li/7Be/8Be/9Be, E=80 MeV; 12C(13C, X)6Li/7Li/7Be/8Be/9Be, E=78.5 MeV; measured energy distributions and angular distributions of the emitted fragments, 2α spectrum from 8Be, using telescopes of single-sided silicon strip detector (SSSD), and double-sided silicon strip detector (DSSD) at TIFR-BARC Pelletron-Linac facility; deduced cross section ratios, cluster correlations in the decay of the light compound systems 24,25Mg formed in the two reactions. Comparison with statistical model calculations CASCADE and GEMINI++ codes.
doi: 10.1103/PhysRevC.94.051601
2016SR02 Phys.Rev. C 93, 044601 (2016) V.Srivastava, C.Bhattacharya, T.K.Rana, S.Manna, S.Kundu, S.Bhattacharya, K.Banerjee, P.Roy, R.Pandey, G.Mukherjee, T.K.Ghosh, J.K.Meena, T.Roy, A.Chaudhuri, M.Sinha, A.K.Saha, Md.A.Asgar, A.Dey, S.Roy, Md.M.Shaikh Experimental investigation of T=1 analog states of 26Al and 26Mg NUCLEAR REACTIONS 27Al(d, 3He)26Mg, E=25 MeV; measured 3He spectra, σ(θ) at VECC, Kolkata. 26Mg; deduced levels, J, π, spectroscopic factors of the lowest (T=1) states using zero-range distorted wave Born approximation. Comparison with T=1 analog states in 26Al.
doi: 10.1103/PhysRevC.93.044601
2015CH26 Phys.Rev. C 91, 044620 (2015) A.Chaudhuri, T.K.Ghosh, K.Banerjee, S.Bhattacharya, J.Sadhukhan, C.Bhattacharya, S.Kundu, J.K.Meena, G.Mukherjee, R.Pandey, T.K.Rana, P.Roy, T.Roy, V.Srivastava, P.Bhattacharya Direct evidence of "washing out"' of nuclear shell effects NUCLEAR REACTIONS 232Th(α, F), E=7.7, 25-65 MeV; measured fission fragments, fission σ(E), distributions of folding angles of the fissioning nuclei, fission fragment mass distributions as function of excitation energies at VECC, Kolkata facility; deduced width of fitted symmetric mass distribution, evidence for weakening of shell effect with increase in excitation energy.
doi: 10.1103/PhysRevC.91.044620
2015CH55 Phys.Rev. C 92, 041601 (2015) A.Chaudhuri, T.K.Ghosh, K.Banerjee, S.Bhattacharya, J.Sadhukhan, S.Kundu, C.Bhattacharya, J.K.Meena, G.Mukherjee, A.K.Saha, Md.A.Asgar, A.Dey, S.Manna, R.Pandey, T.K.Rana, P.Roy, T.Roy, V.Srivastava, P.Bhattacharya, D.C.Biswas, B.N.Joshi, K.Mahata, A.Shrivastava, R.P.Vind, S.Pal, B.R.Behera, V.Singh No influence of a N=126 neutron-shell closure in fission-fragment mass distributions NUCLEAR REACTIONS 194Pt(12C, F)206Po*, 198Pt(12C, F)210Po*, E=58-78 MeV; measured fission fragment spectra, distributions of folding angles and mass distributions of complementary fission fragments using multi-wire proportional counters (MWPC) at BARC-TIFR Pelletron facility; deduced effect of shell correction in the saddle ridge on the mass distribution of fission fragments, no evidence for the modification of potential energy surface at the saddle point due to N=126 neutron shell closure in 210Po.
doi: 10.1103/PhysRevC.92.041601
2015GH05 Pramana 85, 291 (2015) T.K.Ghosh, A.Chaudhuri, K.Banerjee, S.Bhattacharya, C.Bhattacharya, S.Kundu, G.Mukherjee, R.Pandey, T.K.Rana, P.Roy, T.Roy, V.Srivastava, P.Bhattacharya Fusion-fission dynamics studies using mass distribution as a probe NUCLEAR REACTIONS 209Bi(16O, X), E(cm)<85 MeV; 238U(11B, X), 232Th(14N, X), E<60 MeV; measured fission products; deduced variance of mass distributions, mass distribution in fission, variation of the ratio (relative unit) of the symmetric fission yield to the total fission yield at different excitation energies.
doi: 10.1007/s12043-015-1043-3
2015GO03 Phys.Rev. C 91, 014609 (2015) M.Gohil, P.Roy, K.Banerjee, C.Bhattacharya, S.Kundu, T.K.Rana, T.K.Ghosh, G.Mukherjee, R.Pandey, H.Pai, V.Srivastava, J.K.Meena, S.R.Banerjee, S.Mukhopadhyay, D.Pandit, S.Pal, S.Bhattacharya Angular momentum dependence of the nuclear level density in the A ≈ 170 - 200 region NUCLEAR REACTIONS 165Ho(α, X)169Tm*, 181Ta(α, X)185Re*, 197Au(α, X)201Tl*, E=28, 40 MeV; measured E(n), I(n), nγ-coin, n(θ), double differential σ(E) using TOF technique at VECC-Kolkata facility; analyzed γ-ray-fold-gated neutron using the statistical model code CASCADE; deduced variation of the inverse level density parameter with average angular momentum. 58Ni, 93Nb, 115In(α, X), E=30, 40 MeV; analyzed variation of the inverse level density parameter with average angular momentum using previous experimental data.
doi: 10.1103/PhysRevC.91.014609
2015SR03 Phys.Rev. C 91, 054611 (2015) V.Srivastava, C.Bhattacharya, T.K.Rana, S.Manna, S.Kundu, S.Bhattacharya, K.Banerjee, P.Roy, R.Pandey, G.Mukherjee, T.K.Ghosh, J.K.Meena, T.Roy, A.Chaudhuri, M.Sinha, A.Saha, Md.A.Asgar, A.Dey, S.Roy, Md.M.Shaikh Experimental study of 26Al through the 1n pick-up reaction 27Al(d, t) NUCLEAR REACTIONS 27Al(d, t), E=25 MeV; measured E(t), I(t), σ(θ) at VECC-Kolkata facility. 26Al; deduced levels, J, π, spectroscopic factors. DWBA calculations using DWUCK4 computer code. Comparison with experimental results from other particle-transfer experiments.
doi: 10.1103/PhysRevC.91.054611
2013RA20 Phys.Rev. C 88, 021601 (2013); Pub.note Phys.Rev. C 88, 029904 (2013) T.K.Rana, S.Bhattacharya, C.Bhattacharya, S.Kundu, K.Banerjee, T.K.Ghosh, G.Mukherjee, R.Pandey, P.Roy, V.Srivastava, M.Gohil, J.K.Meena, H.Pai, A.K.Saha, J.K.Sahoo, R.M.Saha Estimation of direct components of the decay of the Hoyle state NUCLEAR REACTIONS 12C(α, α'), E=60 MeV; measured α spectra at VECC, Kolkata facility. High statistics experiment for complete kinematical measurement. Dalitz plot. 12C; deduced contribution of direct 3α decay mechanisms (DDE, DDL, DDΦ) of decay of Hoyle state, nonzero branching ratios for direct decay in phase space (DDΦ mode). Comparison with previous experimental results.
doi: 10.1103/PhysRevC.88.021601
2013RO24 Phys.Rev. C 88, 031601 (2013) P.Roy, K.Banerjee, M.Gohil, C.Bhattacharya, S.Kundu, T.K.Rana, T.K.Ghosh, G.Mukherjee, R.Pandey, H.Pai, V.Srivastava, J.K.Meena, S.R.Banerjee, S.Mukhopadhyay, D.Pandit, S.Pal, S.Bhattacharya Effect of collectivity on the nuclear level density NUCLEAR REACTIONS 165Ho(α, xn)169Tm*, E=28, 40 MeV; 181Ta(α, xn)185Re*, E=30, 40 MeV; 197Au(α, xn)201Tl, E=28, 40 MeV; measured back-angle neutron evaporation spectra (mainly 2n- and 3n-channel) from compound nuclei, double-differential σ(E); deduced inverse level density parameter, dependence of this parameter on deformation of compound nucleus, signature of collectivity. Comparison of measured σ(E) with statistical model calculation using GEMINI++ computer code.
doi: 10.1103/PhysRevC.88.031601
2012RO35 Phys.Rev. C 86, 044622 (2012) P.Roy, K.Banerjee, S.Bhattacharya, C.Bhattacharya, S.Kundu, T.K.Rana, T.K.Ghosh, G.Mukherjee, R.Pandey, J.K.Meena, M.Gohil, H.Pai, V.Srivastava, A.Dey, D.Pandit, S.Mukhopadhyay, S.Pal, S.R.Banerjee Angular-momentum-gated light-particle evaporation spectra from 97Tc* and 62Zn* systems NUCLEAR REACTIONS 58Ni, 93Nb(α, X), E=35 MeV; measured neutron, proton and α spectra, particle-γ coin, energy loss, time of flight, fold distribution, angular momentum distribution, differential σ at VECC facility; deduced average angular momentum, level density. Comparison with statistical model calculations.
doi: 10.1103/PhysRevC.86.044622
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