NSR Query Results
Output year order : Descending NSR database version of April 11, 2024. Search: Author = A.Shrivastava Found 104 matches. Showing 1 to 100. [Next]2024KU04 Phys.Rev. C 109, 014613 (2024) V.Kumar, K.Mahata, S.Dhuri, A.Shrivastava, K.Ramachandran, S.Pandit, V.V.Parkar, A.Chavan, A.Kumar, S.Kaur, P.C.Rout Observation of asymmetric fission in 204Pb at low excitation energies
doi: 10.1103/PhysRevC.109.014613
2024PA07 Phys.Rev. C 109, 014610 (2024) V.V.Parkar, M.Prasanna, R.Rathod, V.Jha, S.K.Pandit, A.Shrivastava, K.Mahata, K.Ramachandran, R.Palit, Md.S.R.Laskar, B.J.Roy, Bh.Kanagalekar, B.G.Hegde Fusion of 7Li with 205Tl at near-barrier energies
doi: 10.1103/PhysRevC.109.014610
2023DH02 Phys.Rev. C 108, 054609 (2023) S.Dhuri, K.Mahata, K.Ramachandran, P.C.Rout, A.Shrivastava, S.K.Pandit, V.V.Parkar, S.Gupta, V.V.Desai, A.Kumar, E.T.Mirgule, B.K.Nayak, A.Saxena Quest for understanding neutron emission in nuclear fission: The case of 210Po
doi: 10.1103/PhysRevC.108.054609
2023SA18 Phys.Lett. B 841, 137934 (2023) T.Santhosh, P.C.Rout, S.Santra, A.Shrivastava, G.Mohanto, S.K.Pandit, A.Pal, R.Gandhi, A.Baishya, S.Dhuri Experimental evidence of large collective enhancement of nuclear level density and its significance in radiative neutron capture NUCLEAR REACTIONS 169Tm(7Li, X)170Yb/171Yb, E=40 MeV; measured reaction products, Eα, Iα, En, In; deduced the collective enhancement of nuclear level density, MACS. Comparison with calculations. The BARC-TIFR Pelletron Linac Facility (Mumbai).
doi: 10.1016/j.physletb.2023.137934
2022DH03 Phys.Rev. C 106, 014616 (2022) S.Dhuri, K.Mahata, A.Shrivastava, K.Ramachandran, S.K.Pandit, V.Kumar, V.V.Parkar, P.C.Rout, A.Kumar, A.Chavan, S.Kaur, T.Santhosh Measurement of mass and total kinetic energy distributions for the 12C + 174Lu system NUCLEAR REACTIONS 175Lu(12C, F), E=58, 65, 70, 75 MeV; measured reaction products; deduced fission fragment mass and total kinetic energy (TKE) distributions. Comparison to the systematics based on liquid drop (LD) behavior. Two position-sensitive multiwire proportional chambers (MWPCs) at BARC-TIFR Pelletron-LINAC facility, Mumbai.
doi: 10.1103/PhysRevC.106.014616
2022MA03 Phys.Lett. B 825, 136859 (2022) K.Mahata, C.Schmitt, S.Gupta, A.Shrivastava, G.Scamps, K.-H.Schmidt Evidence for the general dominance of proton shells in low-energy fission RADIOACTIVITY 178Pt, 191Au, 180,182,190Hg, 201Tl, 194,196Po, 202Rn, 188Pb(SF); analyzed available data; deduced mean Z and N for of the light (heavy) fragment as a function of compound nucleus fissioning system.
doi: 10.1016/j.physletb.2021.136859
2022SH03 Phys.Rev. C 105, 014605 (2022) A.Shrivastava, K.Mahata, I.Stefan, M.Assie, P.Adsley, D.Beaumel, V.M.Datar, A.Georgiadou, J.Guillot, F.Hammache, N.Keeley, Y.H.Kim, A.Meyer, V.Nanal, V.V.Parkar, N.de Sereville Occupation probabilities of valence orbitals relevant to neutrinoless double β decay of 124Sn NUCLEAR REACTIONS 124Te, 124Sn(p, d)123Te/123Sn, E=22 MeV; 124Te, 124Sn(d, p)125Te/125Sn, E=15 MeV; 124Te, 124Sn(3He, α)123Te/123Sn, E=30 MeV; 124Te, 124Sn(α, 3He)125Te/125Sn, E=40 MeV; measured scattered particle spectra of deuterons, protons, 3He and α, σ(θ, E) by momentum analysis of particles by Enge Split Pole magnetic spectrometer, then focused on a focal-plane detection system of position-sensitive proportional and a plastic scintillator to identify particles via magnetic rigidity and energy-loss characteristics at the ALTO facility of IJCLab. 123,125Te, 123,125Sn; deduced levels, J, π, L-transfers, σ(θ), spectroscopic factors, configurations. DWBA analysis of σ(θ) distributions. 124Sn, 124Te; deduced neutron vacancies of active orbitals in their ground states, and compared with those in literature for 128,130Te, provision of nuclear matrix element (NMEs) for 0νββ decay mode of 124Sn. Relevance to ongoing efforts for the experiment TINTIN (The INdian TIN detector) at the India-based Neutrino Observatory (INO) to measure the neutrinoless double β decay of 124Sn. 123,125Te, 123,125Sn; detailed results for level energies, Jπ, σ(θ) and spectroscopic factors are supplied in an .excel file in the Supplemental Material of the paper.
doi: 10.1103/PhysRevC.105.014605
2021BH14 Phys.Rev. C 104, 054607 (2021) S.Bhattacharjee, A.Mukherjee, A.Gupta, R.Santra, D.Chattopadhyay, N.Deshmukh, S.Dhuri, S.Gupta, V.V.Parkar, S.K.Pandit, K.Ramachandran, K.Mahata, A.Shrivastava, R.Pachuau, S.Rathi Fusion of 16O + 165Ho at deep sub-barrier energies NUCLEAR REACTIONS 165Ho(16O, 3nα)174Ta, (16O, 5n)176Re, (16O, 4n)177Re, (16O, 3n)178Re, E=62-85 MeV; measured evaporation residues (ERs) by off-line γ-ray spectroscopy, Eγ, Iγ from decays of evaporation residues, σ(E) at 14UD BARC-TIFR Pelletron-LINAC facility; deduced fusion σ(E) and compared with σ(E) results of earlier experiments, astrophysical S factor. Comparison with coupled channel (CC) calculations using Woods-Saxon potential using code PACE4, fusion hindrance and compared with prediction from adiabatic model; analyzed previous experimental results for 19F+165Ho, 7Li+165Ho, 12C+198Pt, 16O+208Pb, 28Si+64Ni, 16O+208Pb, 32S+89Y, 36S+64Ni, 40Ca+40Ca, 40Ca+48Ca, and 48Ca+48Ca systems. 178Re; measured T1/2 of the decay of the g.s.
doi: 10.1103/PhysRevC.104.054607
2021BI02 Phys.Rev. C 103, 014606 (2021) P.Biswas, A.Mukherjee, D.Chattopadhyay, S.Bhattacharjee, M.K.Pradhan, Md.M.Shaikh, S.Roy, A.Goswami, P.Basu, S.Santra, S.K.Pandit, K.Mahata, A.Shrivastava Large back-angle quasielastic scattering for 7Li + 159Tb NUCLEAR REACTIONS 159Tb(7Li, 7Li), (7Li, X), E=17-34 MeV from 14UD BARC-TIFR Pelletron Accelerator; measured reaction products, σ(θ) using ΔE-E telescopes of Si-surface barrier detectors; deduced quasielastic excitation functions and quasielastic barrier distributions, complete fusion σ(E). Comparison with continuum discretized coupled-channel (CDCC) model calculations.
doi: 10.1103/PhysRevC.103.014606
2021BI08 Phys.Rev. C 104, 034620 (2021) P.Biswas, A.Mukherjee, S.Bhattacharjee, D.Chattopadhyay, S.Roy, S.Santra, S.K.Pandit, K.Ramachandran, K.Mahata, A.Shrivastava Quasielastic backscattering and barrier distribution for the weakly bound projectile 6Li on 159Tb NUCLEAR REACTIONS 159Tb(6Li, 6Li'), (6Li, X), E=17-33 MeV; measured charged-particle spectra, E-ΔE spectrum, σ(E) using Si detector telescopes at 14UD BARC-TIFR Pelletron-Linac Facility; deduced quasielastic excitation function and quasielastic barrier distributions and compared with FRESCO calculations, excluding and including α particles, production σ(E), and compared with the DWBA calculations. Discussed α-breakup threshold of the nucleus 6Li.
doi: 10.1103/PhysRevC.104.034620
2021KA37 Phys.Rev. C 104, 024615 (2021) M.Kaushik, S.K.Pandit, V.V.Parkar, G.Gupta, S.Thakur, V.Nanal, H.Krishnamoorthy, A.Shrivastava, C.S.Palshetkar, K.Mahata, K.Ramachandran, S.Pal, R.G.Pillay, P.P.Singh Investigating neutron transfer in the 9Be + 197Au system NUCLEAR REACTIONS 197Au(9Be, 8Be)198Au, (9Be, 10Be)196Au, (9Be, X)199Tl/200Tl/201Bi/202Bi/203Bi, E=30-47 MeV from BARC-TIFR Pelletron Linac Facility, Mumbai; measured off-line Eγ, Iγ from the irradiated target; deduced σ(E) for one-neutron stripping and pickup reactions, complete-fusion (CF) and incomplete fusion (ICF). Comparison with coupled-reaction channel (CRC) calculations. 197Au(6Li, 5Li), (6Li, 7Li), (7Li, 6Li), (7Li, 5Li), (6Li, X), (7Li, X), E(cm)=20-44 MeV; analyzed previous data for σ(E) for n-transfer, CF and ICF using CRC calculations.
doi: 10.1103/PhysRevC.104.024615
2021KA41 Eur.Phys.J. A 57, 320 (2021) M.Kaushik, G.Gupta, V.V.Parkar, S.K.Pandit, S.Thakur, V.Nanal, A.Shrivastava, R.G.Pillay, H.Krishnamoorthy, K.Mahata, S.Pal, C.S.Palshetkar, K.Ramachandran, P.P.Singh Neutron transfer in 9Be + 159Tb system NUCLEAR REACTIONS 159Tb(9Be, X)160Tb, E=30-47 MeV; measured reaction products, Eγ, Iγ; deduced σ. Comparison with calculations.
doi: 10.1140/epja/s10050-021-00627-0
2021PA33 Phys.Lett. B 820, 136570 (2021) S.K.Pandit, A.Shrivastava, K.Mahata, N.Keeley, V.V.Parkar, R.Palit, P.C.Rout, K.Ramachandran, A.Kumar, S.Bhattacharyya, V.Nanal, S.Biswas, S.Saha, J.Sethi, P.Singh, S.Kailas Unraveling the reaction mechanism for large alpha production and incomplete fusion in reactions involving weakly bound stable nuclei NUCLEAR REACTIONS 93Nb(7Li, X)94Mo/95Mo/96Mo, E=24 MeV; measured reaction products, Eγ, Iγ, Eα, Iα; deduced σ(θ, E). Comparison with DWBA calculations. BARC-TIFR Pelletron-Linac facility, the Indian National Gamma Array (INGA).
doi: 10.1016/j.physletb.2021.136570
2020GU04 Appl.Radiat.Isot. 158, 108923 (2020) G.Gupta, H.Krishnamoorthy, A.Garai, A.Mazumdar, V.Nanal, A.Shrivastava, R.G.Pillay Thermal neutron-induced γ-ray background in 124Sn NUCLEAR REACTIONS 124Sn(n, γ), E thermal; measured reaction products, Eγ, Iγ; deduced γ-ray energies and intensities, branching ratios, yields.
doi: 10.1016/j.apradiso.2019.108923
2020GU05 Phys.Lett. B 803, 135297 (2020) S.Gupta, K.Mahata, A.Shrivastava, K.Ramachandran, S.K.Pandit, P.C.Rout, V.V.Parkar, R.Tripathi, A.Kumar, B.K.Nayak, E.T.Mirgule, A.Saxena, S.Kailas, A.Jhingan, A.K.Nasirov, G.A.Yuldasheva, P.N.Nadtochy, C.Schmitt Competing asymmetric fusion-fission and quasifission in neutron-deficient sub-lead nuclei NUCLEAR REACTIONS 175Lu(16O, X)191Au, E=82.8 MeV; 154Sm(37Cl, X)191Au, E=166.4 MeV; measured reaction products, fission fragments; deduced mass fission yields, newly identified island of mass asymmetric fission in the sub-lead region near 191Au compound nucleus.
doi: 10.1016/j.physletb.2020.135297
2020KA19 Phys.Rev. C 101, 034611 (2020) M.Kaushik, G.Gupta, S.Thakur, H.Krishnamoorthy, PushpendraP.Singh, V.V.Parkar, V.Nanal, A.Shrivastava, R.G.Pillay, K.Mahata, K.Ramachandran, S.Pal, C.S.Palshetkar, S.K.Pandit Fusion of the Borromean nucleus 9Be with a 197Au target at near-barrier energies NUCLEAR REACTIONS 197Au(9Be, 3n), (9Be, 4n), E=33-46.7 MeV; measured Eγ, Iγ, evaporation residue σ(E) by off-beam γ counting method at the Pelletron Linac facility of BARC-TIFR. Comparison with theoretical calculations using CCFULL code, and previous experimental data for excitation functions of other weakly bound projectiles of 4,6,8He, 6,7Li, 9,11Be on 197Au target.
doi: 10.1103/PhysRevC.101.034611
2020MO33 Phys.Rev. C 102, 044610 (2020) G.Mohanto, S.De, A.Parihari, P.C.Rout, K.Ramachandran, K.Mahata, E.T.Mirgule, R.Gandhi, Sangeeta, M.Kushwaha, B.Srinivasan, S.Santra, A.Shrivastava, S.P.Behera, B.J.Roy, A.Jhingan, B.K.Nayak, A.Saxena Effect of nuclear structure and fissility on quasifission NUCLEAR REACTIONS 206,208Pb(35Cl, X), (37Cl, X), E(cm)/VB=0.95-1.05; measured fission fragments and time-of-flight of fragments using two position sensitive multiwire proportional counters (MWPCs); deduced fission fragment velocities, mass ratio and center-of-mass angle, mass-angle distributions (MAD spectra), absence of mass-angle correlations and that of fast quasifission (QF); analyzed mass widths of the mass distributions as function of excitation energy for the reactions studied in this work, and compared with previous experimental results for 208Pb(34S, X) and 208Pb(30Si, X) reactions. 208Pb, 238U(12C, X), E not given; 182W(13C, X), E not given; 175Lu, 186W, 186,192Os, 196Pt, 200Hg, 208Pb, 238U(16O, X), E not given; 232Th(18O, X), E not given; 178Hf, 238U(24Mg, X), E not given; 170Yb, 238U(28Si, X), E not given; 208Pb, 232Th(30Si, X), E not given; 178Hf, 194Pt, 202Hg, 208Pb(34S, X), E not given; 168Er, 186W, 208Pb, 232Th(34S, X), E not given; 154Sm, 206,208Pb(35Cl, X), (37Cl, X), E not given; 144Sm(35Cl, X), E not given; 142Nd, 154Sm, 198Pt, 208Pb, 232Th, 238U(40Ca, X), E not given; 144Sm, 162Dy, 170Er, 174Yb, 178Hf, 186W, 192Os, 196Pt, 200Hg, 208Pb, 238U(48Ti, X), E not given; 144,154Sm(48Ca, X), E not given; 154Sm, 170Er, 184W, 192Os, 198Pt, 208Pb(64Ni, X), E not given; analyzed measured cross sections and mass-angle distributions (MADs) by including deformation parameter β2; deduced effect on quasifission (QF) process.
doi: 10.1103/PhysRevC.102.044610
2020SH22 Phys.Rev. C 102, 024627 (2020) M.M.Shaikh, S.Roy, A.Mukherjee, A.Goswami, B.Dey, S.Pal, S.Roy, A.Shrivastava, S.K.Pandit, K.Mahata Barrier distribution for the weakly bound stable projectile 7Li with the medium-mass target nucleus 64Ni NUCLEAR REACTIONS 64Ni(7Li, 7Li), (7Li, 7Li'), E=12-24 MeV; measured scattered 7Li particles, σ(E), total fusion (TF) σ(E) using Δ-E telescopes of silicon surface barrier detectors at the BARC-TIFR Pelletron-Linac Facility; deduced barrier distributions as function of incident energy. Comparison with coupled-channel (CC) calculation for fusion and the back-angle quasielastic excitation functions using the code CCQEL, and with experimental data for 64Ni(6Li, 6Li) reaction.
doi: 10.1103/PhysRevC.102.024627
2019GU34 Phys.Rev. C 100, 064608 (2019) S.Gupta, C.Schmitt, K.Mahata, A.Shrivastava, P.Sugathan, A.Jhingan, K.S.Golda, N.Saneesh, M.Kumar, G.Kaur, L.Stuttge, D.Arora, H.Arora, A.Chatterjee, K.Chauhan, S.K.Duggi, D.P.Kaur, V.Mishra, P.N.Patil, K.Rani Asymmetric fission around lead: The case of 198Po NUCLEAR REACTIONS 170Yb(28Si, F)198Po*, E=119, 122, 130 MeV; measured fission fragments, (fragment)(fragment)-coin, time-of-flight using two large-area multiwire proportional counters at the 15UD Pelletron-LINAC accelerator facility of IUAC-New Delhi; deduced Correlations between fragment mass and angle, total kinetic energies (TKE), fragment mass distribution and yields, fragment-mass width. Comparison with semiempirical model calculations using GEF code.
doi: 10.1103/PhysRevC.100.064608
2019KR11 Eur.Phys.J. A 55, 136 (2019) H.Krishnamoorthy, G.Gupta, A.Garai, A.Mazumdar, A.Reza, S.Pal, S.Pethuraj, V.Nanal, A.Shrivastava, R.G.Pillay Study of γ-ray background from cosmic muon induced neutrons
doi: 10.1140/epja/i2019-12822-3
2019PA42 Phys.Rev. C 100, 014618 (2019) S.K.Pandit, A.Shrivastava, K.Mahata, V.V.Parkar, N.Keeley, P.C.Rout, K.Ramachandran, C.S.Palshetkar, I.Martel, A.Kumar, A.Chatterjee, S.Kailas Role of target shell structure in direct reactions involving weakly bound 7Li NUCLEAR REACTIONS 89Y(7Li, 7Li), (7Li, 6Li), (7Li, 2α), (7Li, dα), (7Li, tα), (7Li, 6He), E=23, 28, 30 MeV; measured charged particles, particle identification spectrum for protons, deuterons, tritons, α, 6He, and 6,7Li, angular distributions of charged particles, αα-, αd-, and αt-coin, σ(E), differential σ(θ, E), σ(E) for prompt and resonant breakup of 7Li using silicon ΔE-E telescope for charged particle detection at BARC-TIFR Pelletron-Linac facility; deduced that observed cross sections at low target excitations for nucleon transfer reactions correlate with the vacancies in the valence orbitals. Comparison with continuum discretized coupled channel (CDCC), and coupled-channel Born approximation (CCBA) calculations, and with results from previous similar experiments using 93Nb target.
doi: 10.1103/PhysRevC.100.014618
2019PA58 J.Instrum. 14, T01005 (2019) S.K.Pandit, K.Mahata, A.Shrivastava, V.V.Parkar, K.Ramachandran Interpretation of coincidence data from strip detectors and extraction of absolute cross section using 3-body Monte Carlo simulation method NUCLEAR REACTIONS 209Bi(7Li, 7Li), E=27.9 MeV; measured reaction products; deduced probabilities. Comparison with Monte Carlo simulations.
doi: 10.1088/1748-0221/14/01/T01005
2019SA60 Nucl.Instrum.Methods Phys.Res. A916, 179 (2019) A.M.Sanchez-Benitez, V.V.Parkar, I.Martel, J.P.Bolivar, K.Mahata, G.Marquinez-Duran, A.Padilla, A.Shrivastava A novel radiochemical technique for measuring very low fusion cross sections NUCLEAR REACTIONS 208Pb(7Li, X)210Po, E=39.8 MeV; measured reaction products, Eα, Iα; deduced σ using α-counting and radiochemical methods.
doi: 10.1016/j.nima.2018.11.088
2018MA74 Nucl.Instrum.Methods Phys.Res. A894, 20 (2018) K.Mahata, A.Shrivastava, J.A.Gore, S.K.Pandit, V.V.Parkar, K.Ramachandran, A.Kumar, S.Gupta, P.Patale Particle identification using digital pulse shape discrimination in a nTD silicon detector with a 1 GHz sampling digitizer NUCLEAR REACTIONS 27Al, 93Nb(7Li, X), (12C, X), E ∼ 5 MeV/nucleon; measured reaction products; deduced isotopic separation with pulse shape discrimination.
doi: 10.1016/j.nima.2018.03.052
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
2018PA24 Phys.Rev. C 98, 014601 (2018) V.V.Parkar, S.K.Pandit, A.Shrivastava, R.Palit, K.Mahata, V.Jha, K.Ramachandran, S.Gupta, S.Santra, S.K.Sharma, S.Upadhyaya, T.N.Nag, S.Bhattacharya, T.Trivedi, S.Kailas Fusion reaction studies for the 6Li + 124Sn system at near-barrier energies NUCLEAR REACTIONS 124Sn(6Li, X)126I/127I/123Sn/125Sn/125Sb/124Sb/127Te/126Te, E=17.5-35.7 MeV; 159Tb(6Li, X)160Ho/162Ho, E=23.7-33.8 MeV; measured Eγ, Iγ, σ(E) for evaporation residues, complete, incomplete and total fusion (CF, ICF, TF), transfer and capture reactions by online and offline activation methods at the BARC-TIFR Pelletron-Linac facility. Comparison with previous experimental incomplete fusion σ for 209Bi, 197Au, 159Tb, 124Sn(7Li, X), (6Li, X) reactions, and with statistical model and coupled channel calculations using PACE and CCFULL codes.
doi: 10.1103/PhysRevC.98.014601
2017BH02 Phys.Rev. C 95, 014301 (2017) S.Bhattacharya, S.Bhattacharyya, S.Das Gupta, H.Pai, G.Mukherjee, R.Palit, F.R.Xu, Q.Wu, A.Shrivastava, Md.A.Asgar, R.Banik, T.Bhattacharjee, S.Chanda, A.Chatterjee, A.Goswami, V.Nanal, S.K.Pandit, S.Saha, J.Sethi, T.Roy, S.Thakur Deformed band structures at high spin in 200Tl NUCLEAR REACTIONS 198Pt(7Li, 5n), E=45 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO), γγ(linear polarization), γ(θ) using INGA array at BARC-TIFR Pelletron LINAC facility. 200Tl; deduced high-spin levels, J, π, multipolarities, band structures, alignments, configurations, staggering and B(M1)/B(E2) ratios. Total Routhian surface calculations using Strutinsky shell correction method and deformed Woods-Saxon potential.
doi: 10.1103/PhysRevC.95.014301
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
2017PA39 Phys.Rev. C 96, 044616 (2017) S.K.Pandit, A.Shrivastava, K.Mahata, V.V.Parkar, R.Palit, N.Keeley, P.C.Rout, A.Kumar, K.Ramachandran, S.Bhattacharyya, V.Nanal, C.S.Palshetkar, T.N.Nag, S.Gupta, S.Biswas, S.Saha, J.Sethi, P.Singh, A.Chatterjee, S.Kailas Investigation of large alpha production in reactions involving weakly bound 7Li NUCLEAR REACTIONS 93Nb(7Li, X)92Zr/93Nb/94Nb/95Nb/93mMo/94Mo/95Mo/95mMo/95Tc/95mTc/96Tc/96mTc/97Tc/96Ru/97Ru/98Ru, E=24, 26, 28, 30 MeV; measured Eγ, Iγ, γγ-coin, σ(E) for (t, n), (t, 2n), (t, 3n), (α, n), (α, 2n), (7Li, 2n), (7Li, 3n), (7Li, 4n), and (7Li, p2n) channels using INGA array at Pelletron-Linac facility in Mumbai; analyzed literature and present data for t-capture and inclusive α-production cross sections for 7Li projectiles incident on 28Si, 58,64Ni, 65Cu, 93Nb, 118,124Sn, 159Tb, 165Ho, 197Au, 198Pt, 208Pb, and 209Bi targets. Comparison with statistical model calculations using PACE code, and angular momentum distribution from the coupled channel code CCFULL.
doi: 10.1103/PhysRevC.96.044616
2017PA41 Phys.Rev. C 96, 054613 (2017) A.Parihari, G.Mohanto, G.Kaur, A.Jhingan, K.Mahata, R.G.Thomas, P.C.Rout, E.T.Mirgule, V.V.Desai, B.Srinivasan, C.Joshi, V.Mishra, M.Kushwaha, S.Gupta, D.Sarkar, S.V.Suryanarayana, A.Shrivastava, N.L.Singh, A.Misra, B.K.Nayak, A.Saxena Experimental study of the transfer-induced fission fragment angular distribution in the 6Li + 238U reaction NUCLEAR REACTIONS 238U(6Li, F), E=36, 40 MeV; measured transfer-induced fission fragments, two-dimensional E-ΔE spectrum, σ(θ, E), fragment anisotropies, transfer-induced fragment angular distributions for α and d transfers using multiwire proportional counters (MWPCs) at BARC-TIFR 14-UD Pelletron-LINAC facility. Comparison with pre-equilibrium fission (PEF) model calculations.
doi: 10.1103/PhysRevC.96.054613
2017SH34 Phys.Rev. C 96, 034620 (2017) A.Shrivastava, K.Mahata, V.Nanal, S.K.Pandit, V.V.Parkar, P.C.Rout, N.Dokania, K.Ramachandran, A.Kumar, A.Chatterjee, S.Kailas Fusion hindrance at deep sub-barrier energies for the 11B + 197Au system NUCLEAR REACTIONS 197Au(11B, X)202Po/203Po/204Po/205Po, E=40-65 MeV; measured reaction products, Eγ, Iγ, x rays, evaporation residue and fusion σ(E) at Pelletron-LINAC Facility Mumbai; deduced S-factor. Comparison with Coupled-channels (CC) calculations using code CCFULL, adiabatic model calculations, and statistical model calculations. Systematics of other systems such as 6,7Li, 12C+198Pt, and 16O+208Pb.
doi: 10.1103/PhysRevC.96.034620
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
2016PA24 Phys.Rev. C 93, 061602 (2016) S.K.Pandit, A.Shrivastava, K.Mahata, N.Keeley, V.V.Parkar, P.C.Rout, K.Ramachandran, I.Martel, C.S.Palshetkar, A.Kumar, A.Chatterjee, S.Kailas Probing transfer to unbound states of the ejectile with weakly bound 7Li on 93Nb NUCLEAR REACTIONS 93Nb(7Li, 7Li), (7Li, 7Li'), (7Li, 6Li), (7Li, 8Be)E=24, 28, 30 MeV; measured energy correlation spectra of breakup fragments, elastic σ(E), α+t σ(E) from unbound 7Li breakup, α+d σ(E) from unbound 6Li breakup, and α+α σ(E) from 8Be breakup, one-neutron stripping and one-proton pickup cross sections at Mumbai Pelletron-Linac accelerator facility. Comparison with Coupled-channels Born approximation (CCBA) and continuum-discretized coupled-channels (CDCC) calculations.
doi: 10.1103/PhysRevC.93.061602
2016SH09 Phys.Lett. B 755, 332 (2016) A.Shrivastava, K.Mahata, S.K.Pandit, V.Nanal, T.Ichikawa, K.Hagino, A.Navin, C.S.Palshetkar, V.V.Parkar, K.Ramachandran, P.C.Rout, A.Kumar, A.Chatterjee, S.Kailas Evolution of fusion hindrance for asymmetric systems at deep sub-barrier energies NUCLEAR REACTIONS 198Pt(7Li, X), E=20-35 MeV;198Pt(12C, X), E=50-64 MeV; measured reaction products, Eγ, Iγ, X-rays; deduced fusion σ. Comparison with coupled-channels calculations using the code CCFULL.
doi: 10.1016/j.physletb.2016.02.029
2016SH12 Phys.Rev. C 93, 044616 (2016) Md.M.Shaikh, S.Roy, S.Rajbanshi, A.Mukherjee, M.K.Pradhan, P.Basu, V.Nanal, S.Pal, A.Shrivastava, S.Saha, R.G.Pillay Probing the fusion of 7Li with 64Ni at near-barrier energies NUCLEAR REACTIONS 64Ni(7Li, 2n)69Ga, 64Ni(7Li, np)69Zn, 64Ni(7Li, 3n)68Ga, 64Ni(7Li, 2np)68Zn, 64Ni(7Li, nα)66Cu, 64Ni(7Li, 2nα)65Cu, E=12-28 MeV; measured Eγ, Iγ, E(x ray), total fusion σ(E) by activation method and compared with predictions of 1DBPM for fusion. Comparison with σ(E) from 64Ni+6Li reaction, and with universal fusion function for dynamic effect of breakup or breakup-like processes.
doi: 10.1103/PhysRevC.93.044616
2016SH19 Nucl.Phys. A953, 80 (2016) Md.M.Shaikh, M.Das, S.Roy, M.Sinha, M.K.Pradhan, P.Basu, U.Datta, K.Ramachandran, A.Shrivastava Threshold behavior of interaction potential for the system 7Li + 64Ni: Comparison with 6Li + 64Ni NUCLEAR REACTIONS 64Ni(7Li, x), (7Li, 7Li), E=12, 14.3, 15, 16, 19.3, 26.4 MeV; measured reaction product particles using telescopes with Si surface barrier detectors; deduced σ, σ(ELi), σ(θ); calculated σ, σ(ELi), σ(θ) using optical model; deduced energy dependence of OM imaginary potential. Compared with data from 6Li-induced reaction.
doi: 10.1016/j.nuclphysa.2016.04.035
2015CA21 Phys.Rev. C 92, 034606 (2015) M.Caamano, F.Farget, O.Delaune, K.-H.Schmidt, C.Schmitt, L.Audouin, C.-O.Bacri, J.Benlliure, E.Casarejos, X.Derkx, B.Fernandez-Dominguez, L.Gaudefroy, C.Golabek, B.Jurado, A.Lemasson, D.Ramos, C.Rodriguez-Tajes, T.Roger, A.Shrivastava Characterization of the scission point from fission-fragment velocities RADIOACTIVITY 240Pu(SF)[from 12C(238U, 10Be), E=6.1 MeV/nucleon]; 250Cf(SF)[from 12C(238U, X)250Cf*, E=6.1 MeV/nucleon]; measured fragment spectra using VAMOS spectrometer at GANIL; deduced velocity of fission fragments with Z=34-62 as a function of the neutron number of the fragment (N=45-100), average fragment velocity, average neutron excess of fragments, neutron multiplicity and total neutron evaporation multiplicity, total kinetic energy of fission fragments, total excitation energy at scission, post-neutron evaporation normalized yields, average difference between the ground states of the fissioning system and the fragments, and minimum energy released in neutron evaporation as functions of the fragment atomic number. Modeling of the fission process through correlated observables.
doi: 10.1103/PhysRevC.92.034606
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
2015RA15 Pramana 85, 335 (2015) K.Ramachandran, A.Chatterjee, A.Navin, K.Mahata, A.Shrivastava, V.Tripathi, S.Kailas, V.Nanal, R.G.Pillay, A.Saxena, R.G.Thomas, D.R.Chakrabarty, V.M.Datar, S.Kumar, P.K.Sahu Fission time-scale from the measurement of pre-scission light particles and γ-ray multiplicities NUCLEAR REACTIONS 175Lu(28Si, X), E=159 MeV; measured fission products, En, In, Ep, Ip, Eα, Iα; deduced GDR γ-ray multiplicity spectra, pre-saddle, saddle-to-scission, total fission time scale.
doi: 10.1007/s12043-015-1048-y
2015SH08 Phys.Rev. C 91, 034615 (2015) Md.M.Shaikh, S.Roy, S.Rajbanshi, M.K.Pradhan, A.Mukherjee, P.Basu, S.Pal, V.Nanal, R.G.Pillay, A.Shrivastava Barrier distribution functions for the system 6Li + 64Ni and the effect of channel coupling NUCLEAR REACTIONS 64Ni(6Li, 6Li), (6Li, 6Li'), E=11-28 MeV; measured 6Li spectra, Eγ, Iγ, quasielastic σ(E), total fusion σ at TIFR Pelletron facility; deduced barrier distribution. Comparison with coupled reaction channel (CRC) calculations.
doi: 10.1103/PhysRevC.91.034615
2014PA07 Phys.Rev. C 89, 024607 (2014); Erratum Phys.Rev. C 100, 039902 (2019) C.S.Palshetkar, S.Thakur, V.Nanal, A.Shrivastava, N.Dokania, V.Singh, V.V.Parkar, P.C.Rout, R.Palit, R.G.Pillay, S.Bhattacharyya, A.Chatterjee, S.Santra, K.Ramachandran, N.L.Singh Fusion and quasi-elastic scattering in the 6, 7Li+197Au systems NUCLEAR REACTIONS 197Au(6Li, 6Li), (6Li, 6Li'), (6Li, X)198Pb/199Pb/199mPb/200Pb/201Pb/196Au/198Au/199Au/197mHg/199Tl/200Tl, E=23-44 MeV; 197Au(7Li, 7Li), (7Li, 7Li'), (7Li, X)198Pb/199Pb/199mPb/200Pb/201Pb/196Au/198Au/199Au/197mHg/199mHg/199Tl/200Tl, E=23-44 MeV; measured E-ΔE spectrum, Eγ and Iγ in off-line mode, activation technique, half-lives of isotopes formed in various reaction channels; deduced σ(E) for quasielastic, fusion, neutron-transfer, deuteron and α captures (d and α from breakup of 6,7Li), barrier distributions. 197Au(6Li, X)196Hg/198Hg, 197Au(7Li, X)196Hg/198Hg, E=23-44 MeV; measured prompt γ spectra, Eγ, Iγ, γγ-coin, σ(E) using INGA array. Experiments performed at BARC-TIFR Pelletron accelerator facility. Comparison with coupled-channel calculations using CCFULL code. RADIOACTIVITY 199Pb(EC), (β+); measured Eγ, half-life. Comparison with evaluated data.
doi: 10.1103/PhysRevC.89.024607
2014PA26 Phys.Rev. C 89, 064610 (2014) C.S.Palshetkar, S.Santra, A.Shrivastava, A.Chatterjee, S.K.Pandit, K.Ramachandran, V.V.Parkar, V.Nanal, V.Jha, B.J.Roy, S.Kalias Elastic scattering and α production in the 9Be + 89Y system NUCLEAR REACTIONS 89Y(9Be, 9Be), E=18.6, 20.6, 22.7, 24.7, 26.7, 28.7, 33.2 MeV; measured particle spectra, elastic σ(θ, E), inclusive breakup-α σ(θ); deduced ratio of elastic and Rutherford σ(θ), reaction σ at BARC-TIFR Pelletron facility; deduced optical potential parameters, reaction σ(E). Comparison with continuum-discretized coupled-channel (CDCC) and coupled reaction channel (CRC) calculations with α+5He and 8Be+n cluster models. Indication of breakup threshold anomaly (BTA) for the system. Comparison of reduced σ(E) data from reactions involving scattering of 4He on 89Y, 92Mo, 112,120,124Sn targets, 6He on 122Sn, 6Li on 90Zr, 138Ba, 7Li on 138Ba, 9Be on 27Al, 64Zn, 89Y, 144Sm, 208Pb, 209Bi, 12C on 144,152Sm, and 16O on 40Ca, 92Zr, 138Ba.
doi: 10.1103/PhysRevC.89.064610
2014SH24 Phys.Rev. C 90, 024615 (2014) Md.M.Shaikh, S.Roy, S.Rajbanshi, M.K.Pradhan, A.Mukherjee, P.Basu, S.Pal, V.Nanal, R.G.Pillay, A.Shrivastava Investigation of 6Li + 64Ni fusion at near-barrier energies NUCLEAR REACTIONS 64Ni(6Li, X)64Cu/65Cu/67Ga/68Ga/67Zn/68Zn, E=11-28 MeV; measured Eγ, Iγ, x-ray spectra, total fusion σ(E) using γ activation method at TIFR-BARC Pelletron Facility; deduced complete fusion (CF) σ(E). Dominance of neutron evaporation channels. Comparison with one-dimensional barrier penetration model (1DBPM) calculations, and with previous experimental data.
doi: 10.1103/PhysRevC.90.024615
2013CA16 Phys.Rev. C 88, 024605 (2013); Erratum Phys.Rev. C 89, 069903 (2014) M.Caamano, O.Delaune, F.Farget, X.Derkx, K.-H.Schmidt, L.Audouin, C.-O.Bacri, G.Barreau, J.Benlliure, E.Casarejos, A.Chbihi, B.Fernandez-Dominguez, L.Gaudefroy, C.Golabek, B.Jurado, A.Lemasson, A.Navin, M.Rejmund, T.Roger, A.Shrivastava, C.Schmitt Isotopic yield distributions of transfer- and fusion-induced fission from 238U+12C reactions in inverse kinematics NUCLEAR REACTIONS 12C(238U, F)240Pu/241Pu/250Cf*, E=6.1 MeV/nucleon; measured particle and γ spectra, (fragment)γ-coin, energy loss, time-of-flight, yields and angular distributions of fragments of Z=30-64, A=80-160 from fission of 250Cf, 240,241Pu using SPIDER, VAMOS, and EXOGAM detector systems at GANIL facility. Inverse kinematics and multi-nucleon transfer-induced fission. 110Ru, 144Ce; deduced levels from (fragment)γ coin spectra. Z=30, A=70-82, 85; Z=31, A=70-85; Z=32, A=71-87; Z=33, A=73-89; Z=34, A=73, 75-90; Z=35, A=79-93; Z=36, A=81-96; Z=37, A=83-99; Z=38, A=86-102; Z=39, A=88-105; Z=40, A=90-107; Z=41, A=93-110; Z=42, A=95-113; Z=43, A=97-115; Z=44, A=100-118; Z=45, A=102-120; Z=46, A=104-122; Z=47, A=107-126; Z=48, A=109-127; Z=49, A=112-131; Z=50, A=114-133; Z=51, A=116-135; Z=52, A=118-138; Z=53, A=122-141; Z=54, A=123-143; Z=55, A=126-146; Z=56, A=130-148; Z=57, A=131-150; Z=58, A=134-152; Z=59, A=137-153; Z=60, A=139-156; Z=61, A=142-158; Z=62, A=144-159; Z=63, A=149-160; Z=64, A=151-159; measured yields from fission of compound nucleus 250Cf. Z=34, A=82-88; Z=35, A=85-92; Z=36, A=85-94; Z=37, A=87-97; Z=38, A=90-101; Z=39, A=91-102; Z=40, A=94-106; Z=41, A=95-109; Z=42, A=98-111; Z=43, A=101-112; Z=44, A=104-114; Z=45, A=105-114; Z=46, A=110-116; Z=47, A=114-119; Z=48, A=115, 118-122; Z=49, A=122-130; Z=50, A=125-134, 136; Z=51, A=125-137; Z=52, A=129-139; Z=53, A=128-140; Z=54, A=130-144; Z=55, A=133-145; Z=56, A=134-145; Z=57, A=138-149; Z=58, A=142-151; Z=59, A=145-152; Z=60, A=148-154; measured yields from fission of multi-nucleon transfer induced nuclei 240,241Pu.
doi: 10.1103/PhysRevC.88.024605
2013DA10 Phys.Rev.Lett. 111, 062502 (2013) V.M.Datar, D.R.Chakrabarty, S.Kumar, V.Nanal, S.Pastore, R.B.Wiringa, S.P.Behera, A.Chatterjee, D.Jenkins, C.J.Lister, E.T.Mirgule, A.Mitra, R.G.Pillay, K.Ramachandran, O.J.Roberts, P.C.Rout, A.Shrivastava, P.Sugathan Electromagnetic Transition from the 4+ to 2+ Resonance in 8Be Measured via the Radiative Capture in 4He+4He NUCLEAR REACTIONS 4He(α, γ), E=19-29 MeV; measured reaction products, Eγ, Iγ; deduced σ; calculated energy levels, proton radii, quadrupole moments, B(E2). Green Function Monte Carlo method, comparison with available data.
doi: 10.1103/PhysRevLett.111.062502
2013DA15 Phys.Rev. C 88, 044328 (2013) S.Das Gupta, S.Bhattacharyya, H.Pai, G.Mukherjee, S.Bhattacharya, R.Palit, A.Shrivastava, A.Chatterjee, S.Chanda, V.Nanal, S.K.Pandit, S.Saha, J.Sethi, S.Thakur High spin spectroscopy of 201Tl NUCLEAR REACTIONS 198Pt(7Li, 4n)201Tl, E=45 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO), γγ(linear polarization) using INGA array at BARC-TIFR facility. 201Tl; deduced high-spin levels, J, π, multipolarity, bands, alignments. Comparison with total Routhian surface calculations. Systematics of level structures in 193,195,197,199,201Tl nuclei, and comparison with ground band in 200Hg. NUCLEAR STRUCTURE 201Tl; calculated total Routhian surfaces in (β, γ) plane by Strutinsky shell correction method using deformed Woods-Saxon potential with BCS pairing for single-particle energies.
doi: 10.1103/PhysRevC.88.044328
2013FL01 Phys.Rev.Lett. 110, 122503 (2013) F.Flavigny, A.Gillibert, L.Nalpas, A.Obertelli, N.Keeley, C.Barbieri, D.Beaumel, S.Boissinot, G.Burgunder, A.Cipollone, A.Corsi, J.Gibelin, S.Giron, J.Guillot, F.Hammache, V.Lapoux, A.Matta, E.C.Pollacco, R.Raabe, M.Rejmund, N.de Sereville, A.Shrivastava, A.Signoracci, Y.Utsuno Limited Asymmetry Dependence of Correlations from Single Nucleon Transfer NUCLEAR REACTIONS 2H(14O, t), (14O, 3He), E=17.8 MeV/nucleon; measured reaction products; deduced σ(θ) for transfer and elastic scattering, reduction factors. Comparison with shell model and ab initio calculations.
doi: 10.1103/PhysRevLett.110.122503
2013SH01 Phys.Lett. B 718, 931 (2013) A.Shrivastava, A.Navin, A.Diaz-Torres, V.Nanal, K.Ramachandran, M.Rejmund, S.Bhattacharyya, A.Chatterjee, S.Kailas, A.Lemasson, R.Palit, V.V.Parkar, R.G.Pillay, P.C.Rout, Y.Sawant Role of the cluster structure of 7Li in the dynamics of fragment capture NUCLEAR REACTIONS 198Pt(7Li, α), (7Li, t), (7Li, d), (7Li, p), E=45 MeV; measured reaction products, Eγ, Iγ; deduced σ, two-step process. Comparison with PLATYPUS calculations.
doi: 10.1016/j.physletb.2012.11.064
2012KU19 Phys.Rev. C 85, 064607 (2012) S.Kundu, C.Bhattacharya, K.Banerjee, T.K.Rana, S.Bhattacharya, A.Dey, T.K.Ghosh, G.Mukherjee, J.K.Meena, P.Mali, S.Mukhopadhyay, D.Pandit, H.Pai, S.R.Banerjee, D.Gupta, P.Banerjee, Suresh Kumar, A.Shrivastava, A.Chatterjee, K.Ramachandran, K.Mahata, S.K.Pandit, S.Santra Complex-fragment emission in low-energy light-ion reactions NUCLEAR REACTIONS 28Si(12C, X), E=77 MeV; 28Si(11B, X), E=64 MeV; 27Al(12C, X), E=73 MeV; measured particle spectra for Z=3-5 fragments, fragment σ(E, θ, Z), total fusion-fission fragment and deep inelastic fragment cross sections, angular distribution of deep inelastic fragments; deduced average Q values, angular momentum dissipation factor with fragment. Comparison with theoretical predictions from statistical model.
doi: 10.1103/PhysRevC.85.064607
2011DI04 Acta Phys.Pol. B42, 829 (2011) A.Dijon, J.Ljungvall, E.Clement, G.de France, P.Van Isacker, A.Gorgen, A.Obertelli, W.Korten, J.P.Delaroche, A.Dewald, A.Gadea, L.Gaudefroy, M.Girod, M.Hackstein, J.Libert, D.Mengoni, T.Pissula, F.Recchia, M.Rejmund, W.Rother, E.Sahin, C.Schmitt, A.Shrivastava, J.J.Valiente-Dobon, K.O.Zell, M.Zielinska Lifetime Measurements in Neutron-rich Fe and Co Isotopes NUCLEAR REACTIONS 64Ni(238U, X)62Fe/64Fe/63Co/65Co, E=6.5 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced lifetimes of yrast states, B(E2).
doi: 10.5506/APhysPolB.42.829
2011DI08 Phys.Rev. C 83, 064321 (2011) A.Dijon, E.Clement, G.de France, P.Van Isacker, J.Ljungvall, A.Gorgen, A.Obertelli, W.Korten, A.Dewald, A.Gadea, L.Gaudefroy, M.Hackstein, D.Mengoni, Th.Pissulla, F.Recchia, M.Rejmund, W.Rother, E.Sahin, C.Schmitt, A.Shrivastava, J.J.Valiente-Dobon, K.O.Zell, M.Zielinska Lifetime measurements in 63Co and 65Co NUCLEAR REACTIONS 64Ni(238U, X), E=6.5 MeV/nucleon; measured particle spectra, Eγ, Iγ, γγ-coin, half-lives by recoil distance Doppler shift and the differential decay curve methods with a plunger device EXOGAM array. 63,65Co; deduced levels, J, π, B(E2). Systematics of excitation energies and B(E2) values in the even-N Fe, Co, and Ni nuclides. Comparison with large-scale shell model calculations in the pf and pfg9/2 valence space.
doi: 10.1103/PhysRevC.83.064321
2011KI49 Nucl.Instrum.Methods Phys.Res. A 641, 72 (2011) O.A.Kiselev, F.Aksouh, A.Bleile, O.V.Bochkarev, L.V.Chulkov, D.Cortina-Gil, A.V.Dobrovolsky, P.Egelhof, H.Geissel, M.Hellstroem, N.B.Isaev, B.G.Komkov, M.Matos, F.V.Moroz, G.Muenzenberg, M.Mutterer, V.A.Mylnikov, S.R.Neumaier, V.N.Pribora, D.M.Seliverstov, L.O.Sergueev, A.Shrivastava, K.Suemmerer, H.Weick, M.Winkler, V.I.Yatsoura A new experimental approach to investigate intermediate energy proton elastic scattering and breakup reactions on exotic nuclei in inverse kinematics NUCLEAR REACTIONS 1H(6He, 6He), 1H(8He, 8He), 6,8He(p, p), E=4.3-5.3 GeV; measured products, 6He, Eπ, Iπ; deduced σ(θ). Data were imported from EXFOR entry O1908.
doi: 10.1016/j.nima.2011.03.046
2011LE03 Phys.Lett. B 697, 454 (2011) A.Lemasson, A.Navin, M.Rejmund, N.Keeley, V.Zelevinsky, S.Bhattacharyya, A.Shrivastava, D.Bazin, D.Beaumel, Y.Blumenfeld, A.Chatterjee, D.Gupta, G.de France, B.Jacquot, M.Labiche, R.Lemmon, V.Nanal, J.Nyberg, R.G.Pillay, R.Raabe, K.Ramachandran, J.A.Scarpaci, C.Schmitt, C.Simenel, I.Stefan, C.N.Timis Pair and single neutron transfer with Borromean 8He NUCLEAR REACTIONS 197Au(8He, X)199Au, 65Cu(8He, X), E=19.9 MeV; measured reaction products, Eγ, Iγ; deduced 2n-transfer σ, model-independent ratio of 2n to 1n transfer reactions, absence of 67Cu nuclei.
doi: 10.1016/j.physletb.2011.02.038
2011PA23 Phys.Rev. C 84, 031601 (2011) S.K.Pandit, V.Jha, K.Mahata, S.Santra, C.S.Palshetkar, K.Ramachandran, V.V.Parkar, A.Shrivastava, H.Kumawat, B.J.Roy, A.Chatterjee, S.Kailas Investigation of cluster structure of 9Be from high precision elastic scattering data NUCLEAR REACTIONS 208Pb(9Be, 9Be), E=24-34 MeV; measured particle spectra, energy loss, σ, σ(θ). Continuum discretized coupled channel (CDCC) and coupled reaction channel (CRC) analysis using the computer code FRESCO. 9Be; deduced cluster structures α+5He and n+8Be from comparison with calculations.
doi: 10.1103/PhysRevC.84.031601
2011SC15 Int.J.Mod.Phys. E20, 1038 (2011) J.A.Scarpaci, M.Fallot, D.Lacroix, M.Assie, L.Lefebvre, N.Frascaria, D.Beaumel, C.Bhar, Y.Blumenfeld, A.Chbihi, Ph.Chomaz, P.Desesquelle, J.Frankland, H.Idbarkach, E.Khan, J.L.Laville, E.Plagnol, E.C.Pollacco, P.Roussel-Chomaz, J.C.Roynette, A.Shrivastava, T.Zerguerras Probing pre-formed alpha particles in the ground state of nuclei NUCLEAR REACTIONS Ca(40Ca, 40Caα), E=50 MeV/nucleon; measured reaction products; deduced σ(θ).
doi: 10.1142/S0218301311019222
2010DA03 Phys.Rev. C 81, 014311 (2010) L.S.Danu, D.C.Biswas, A.Saxena, A.Shrivastava, A.Chatterjee, B.K.Nayak, R.G.Thomas, R.K.Choudhury, R.Palit, I.Mazumdar, P.Datta, S.Chattopadhyay, S.Pal, S.Bhattacharya, S.Muralithar, K.S.Golda, R.K.Bhowmik, J.J.Das, R.P.Singh, N.Madhavan, J.Gerl, S.K.Patra, L.Satpathy Fine structure dips in the fission fragment mass distribution for the 238U(18O, f) reaction NUCLEAR REACTIONS 238U(18O, F)Sr/Zr/Mo/Ru/Pd/Cd/Sn/Te/Xe/Ba/Ce/Nd/Sm, E=100 MeV; measured Eγ, Iγ, γγ-coin, fission fragment mass distribution and yields of Sr (A=90-96), Zr (A=96-102), Mo (A=98-108), Ru (A=104-112), Pd (A=108-116), Cd (A=114-122), Sn (A=116-128), Te (A=124-134), Xe (A=130-138), Ba (A=136-144), Ce (A=142-148), Nd (A=146-152) and Sm (A=150-158) using INGA array. Discussed effect of nuclear structure in the dynamical evolution of fissioning nucleus. 128Te; measured Eγ and γγ-coin.
doi: 10.1103/PhysRevC.81.014311
2010LE19 Phys.Rev. C 82, 044617 (2010) A.Lemasson, A.Navin, N.Keeley, M.Rejmund, S.Bhattacharyya, A.Shrivastava, D.Bazin, D.Beaumel, Y.Blumenfeld, A.Chatterjee, D.Gupta, G.de France, B.Jacquot, M.Labiche, R.Lemmon, V.Nanal, J.Nyberg, R.G.Pillay, R.Raabe, K.Ramachandran, J.A.Scarpaci, C.Simenel, I.Stefan, C.N.Timis Reactions with the double-Borromean nucleus 8He NUCLEAR REACTIONS 65Cu(8He, X)65Cu/66Cu/67Cu/68Zn/69Zn/68Ga/69Ga/70Ga, [8He secondary beam from C(13C, X), E=75 MeV/nucleon primary reaction], E=19.9, 30.6 MeV; measured Eγ, Iγ, neutron spectra, (particle)γ-, (particle)nγ-, γγ-coin, residue σ for fusion and neutron transfer, σ(θ) for 4He, 6He and 8He using EXOGAM array and neutron wall. Coupled reaction channel calculations. CASCADE code used for statistical model calculation. RADIOACTIVITY 8He(β-)[from 65Cu(8He, 8He), E=19.9, 30.6 MeV]; measured Eγ.
doi: 10.1103/PhysRevC.82.044617
2010LJ01 Phys.Rev. C 81, 061301 (2010) J.Ljungvall, A.Gorgen, A.Obertelli, W.Korten, E.Clement, G.de France, A.Burger, J.-P.Delaroche, A.Dewald, A.Gadea, L.Gaudefroy, M.Girod, M.Hackstein, J.Libert, D.Mengoni, F.Nowacki, T.Pissulla, A.Poves, F.Recchia, M.Rejmund, W.Rother, E.Sahin, C.Schmitt, A.Shrivastava, K.Sieja, J.J.Valiente-Dobon, K.O.Zell, M.Zielinska Onset of collectivity in neutron-rich Fe isotopes: Toward a new island of inversion? NUCLEAR REACTIONS 64Ni(238U, X), E=6.5 MeV/nucleon; measured Eγ, Iγ, (recoil)γ-coin, γ(θ), half-lives of first 2+ states by RDDS method using the Exogam array. 62,64Fe; deduced B(E2). Z=24-30, N=32-42; systematics of energies and B(E2) of first 2+ states in even-even nuclei. Comparison with large-scale shell-model and Hartree-Fock-Bogolyubov based configuration-mixing calculations using the Gogny D1S interaction. New Island of inversion.
doi: 10.1103/PhysRevC.81.061301
2010PA30 Phys.Rev. C 82, 044608 (2010) C.S.Palshetkar, S.Santra, A.Chatterjee, K.Ramachandran, S.Thakur, S.K.Pandit, K.Mahata, A.Shrivastava, V.V.Parkar, V.Nanal Fusion of the weakly bound projectile 9Be with 89Y NUCLEAR REACTIONS 89Y(9Be, xn)96Tc/95Tc/94Tc/92Nb, E=19-33 MeV; 89Y(12C, xn)99Rh/98Rh/97Rh/96Tc/95Tc, E=32-47 MeV; 93Nb(α, xn)96Tc/95Tc, E=10-17 MeV; measured Eγ, Iγ, complete and incomplete fusion σ(E), excitation functions deduced barrier distributions and breakup effects. Coupled-channel (CC) calculations.
doi: 10.1103/PhysRevC.82.044608
2010SA19 Nucl.Phys. A834, 186c (2010) S.Santra, V.V.Parkar, K.Ramachandran, A.Shrivastava, B.J.Roy, B.K.Nayak, A.Chatterjee, R.K.Choudhury, S.Kalias Asymmetry in resonant breakup peaks in 6Li+209Bi reaction NUCLEAR REACTIONS 209Bi(6Li, α), (6Li, d), E=36, 40 MeV; measured Eα, Iα(θ), Ed, Id(θ), dα-coin; deduced σ(θ). 209Bi(6Li, 6Li), E=36, 40 MeV; measured σ(θ). Comparison with CDCC calculations. Sequential breakup via resonant state.
doi: 10.1016/j.nuclphysa.2009.12.035
2010SC21 Phys.Rev. C 82, 031301 (2010); Publishers note Phys.Rev. C 82, 039902 (2010) J.A.Scarpaci, M.Fallot, D.Lacroix, M.Assie, L.Lefebvre, N.Frascaria, D.Beaumel, C.Bhar, Y.Blumenfeld, A.Chbihi, Ph.Chomaz, P.Desesquelles, J.Frankland, H.Idbarkach, E.Khan, J.L.Laville, E.Plagnol, E.C.Pollacco, P.Roussel-Chomaz, J.C.Roynette, A.Shrivastava, T.Zerguerras Probing preformed α particles in the ground state of nuclei NUCLEAR REACTIONS 40Ca(40Ca, α), E=50 MeV/nucleon; measured Eα, Iα, σ, σ(θ). 36Ar; deduced missing energy spectrum, levels, J, π. Comparison of σ(θ) with calculations using time-dependent Schroedinger equation (TDSE).
doi: 10.1103/PhysRevC.82.031301
2009LE05 Nucl.Instrum.Methods Phys.Res. A598, 445 (2009) A.Lemasson, A.Shrivastava, A.Navin, M.Rejmund, V.Nanal, S.Bhattacharyya, A.Chatterjee, S.Kailas, K.Mahata, V.V.Parkar, R.G.Pillay, K.Ramachandran, P.C.Rout Absolute cross-sections from X-γ coincidence measurements NUCLEAR REACTIONS 198Pt(6Li, X)201Tl/202Tl, E=20-45 MeV; measured Eγ, Iγ, X-ray spectra, (X-ray)γ-coin, evaporation residue cross sections.
doi: 10.1016/j.nima.2008.09.032
2009LE29 Phys.Rev.Lett. 103, 232701 (2009) A.Lemasson, A.Shrivastava, A.Navin, M.Rejmund, N.Keeley, V.Zelevinsky, S.Bhattacharyya, A.Chatterjee, G.de France, B.Jacquot, V.Nanal, R.G.Pillay, R.Raabe, C.Schmitt Modern Rutherford Experiment: Tunneling of the Most Neutron-Rich Nucleus NUCLEAR REACTIONS 197Au(8He, xn), (6He, xn), (α, xn)199Tl/200Tl/201Tl/202Tl, E=2.34, 2.51, 3.68 MeV/nucleon; measured x-rays, Eγ, Iγ; deduced σ for fusion, neutron transfer and evaporation residue.
doi: 10.1103/PhysRevLett.103.232701
2009PA05 Pramana 72, 363 (2009) V.V.Parkar, V.Jha, S.Santra, B.J.Roy, K.Ramachandran, A.Shrivastava, K.Mahata, A.Chatterjee, S.Kailas Reaction mechanism study of 7Li(7Li, 6He) reaction at above Coulomb barrier energies NUCLEAR REACTIONS 7Li(7Li, 6He), E=20, 25 MeV; measured σ(θ). Compared results to model calculations.
doi: 10.1007/s12043-009-0032-9
2009SA26 Phys.Lett. B 677, 139 (2009) S.Santra, V.V.Parkar, K.Ramachandran, U.K.Pal, A.Shrivastava, B.J.Roy, B.K.Nayak, A.Chatterjee, R.K.Choudhury, S.Kailas Resonant breakup of 6Li by 209Bi NUCLEAR REACTIONS 209Bi(6Li, α), E=36, 40 MeV; measured Eα, Iα, Ed, Id, (charged-particle)(charged-particle)-coin, σ, σ(θ); deduced reaction mechanism features. Comparison with coupled-channel calculations.
doi: 10.1016/j.physletb.2009.05.016
2009SH34 Phys.Rev.Lett. 103, 232702 (2009) A.Shrivastava, A.Navin, A.Lemasson, K.Ramachandran, V.Nanal, M.Rejmund, K.Hagino, T.Ichikawa, S.Bhattacharyya, A.Chatterjee, S.Kailas, K.Mahata, V.V.Parkar, R.G.Pillay, P.C.Rout Exploring Fusion at Extreme Sub-Barrier Energies with Weakly Bound Nuclei NUCLEAR REACTIONS 198Pt(6Li, xn)199Tl/200Tl/201Tl/202Tl, E(cm)<35 MeV; measured x-rays, Eγ, Iγ; deduced fusion and evaporation residue excitation functions, average angular momentum and logarithmic derivatives of the fusion σ, internuclear potentials.
doi: 10.1103/PhysRevLett.103.232702
2009SH42 Phys.Rev. C 80, 051305 (2009) A.Shrivastava, M.Caamano, M.Rejmund, A.Navin, F.Rejmund, K.-H.Schmidt, A.Lemasson, C.Schmitt, L.Gaudefroy, K.Sieja, L.Audouin, C.O.Bacri, G.Barreau, J.Benlliure, E.Casarejos, X.Derkx, B.Fernandez-Dominguez, C.Golabek, B.Jurado, T.Roger, J.Taieb Prompt γ-ray spectroscopy of isotopically identified fission fragments NUCLEAR REACTIONS 12C(238U, X), E=1.45 GeV; measured Eγ, Iγ using EXOGAM array, fission fragments using VAMOS detector. 134Xe; deduced levels, J, π. 100Zr, 106,107,108,109Ru, 133Xe, 138Xe; measured Eγ. Comparison with shell model calculations for Z>49, N<83 nuclei.
doi: 10.1103/PhysRevC.80.051305
2008BI04 Nucl.Phys. A802, 67 (2008) M.Biswas, S.Roy, M.Sinha, M.K.Pradhan, A.Mukherjee, P.Basu, H.Majumdar, K.Ramachandran, A.Shrivastava The study of threshold behaviour of effective potential for 6Li + 58, 64Ni systems NUCLEAR REACTIONS 64Ni(6Li, 6Li), E=13?26 MeV; measured σ(θ); 58Ni(6Li, 6Li), E=12?20 MeV; analyzed σ(θ). Double folding optical model, threshold behaviour.
doi: 10.1016/j.nuclphysa.2008.01.025
2008CH18 Phys.Rev.Lett. 101, 032701 (2008) A.Chatterjee, A.Navin, A.Shrivastava, S.Bhattacharyya, M.Rejmund, N.Keeley, V.Nanal, J.Nyberg, R.G.Pillay, K.Ramachandran, I.Stefan, D.Bazin, D.Beaumel, Y.Blumenfeld, G.de France, D.Gupta, M.Labiche, A.Lemasson, R.Lemmon, R.Raabe, J.A.Scarpaci, C.Simenel, C.Timis 1n and 2n Transfer With the Borromean Nucleus 6He Near the Coulomb Barrier NUCLEAR REACTIONS 65Cu(6He, 5He), (6He, α), E=22.6 MeV; measured Eα, Iα, Eγ, Iγ, nαγ-coin, 1n, 2n transfer σ(θ). Coupled channel analysis.
doi: 10.1103/PhysRevLett.101.032701
2008PA26 Phys.Rev. C 78, 021601 (2008) V.V.Parkar, V.Jha, B.J.Roy, S.Santra, K.Ramachandran, A.Shrivastava, A.Chatterjee, S.R.Jain, A.K.Jain, S.Kailas Dipole polarizability of 7Li from precision measurement of the elastic scattering on 208Pb below the Coulomb barrier NUCLEAR REACTIONS 208Pb(7Li, 7Li), E=18-28 MeV; measured reaction product spectra, scattering σ; 7Li; deduced dipole polarizability. Comparison with continuum discretized coupled channel calculations.
doi: 10.1103/PhysRevC.78.021601
2007FA17 Nucl.Phys. A788, 106c (2007) M.Fallot, J.A.Scarpaci, N.Frascaria, Y.Blumenfeld, A.Chbihi, Ph.Chomaz, P.Desesquelles, J.Frankland, E.Khan, J.L.Laville, E.Plagnol, E.C.Pollacco, P.Roussel-Chomaz, J.C.Roynette, A.Shrivastava, T.Zerguerras Decay of 1, 2 and 3-phonon states in 40Ca NUCLEAR REACTIONS 40Ca(40Ca, X)39K/38Ar/36Ar/37Cl, E=50 MeV/nucleon; measured Ep, Eα, missing energy spectra. 40Ca deduced two-, three-phonon giant resonance states.
doi: 10.1016/j.nuclphysa.2007.01.055
2007PA33 Nucl.Phys. A792, 187 (2007) V.V.Parkar, K.Mahata, S.Santra, S.Kailas, A.Shrivastava, K.Ramachandran, A.Chatterjee, V.Jha, P.Singh Fusion cross sections for 7Li + 12C system at near barrier energies NUCLEAR REACTIONS 12C(7Li, 7Li), E=7.5, 9, 12, 15 MeV; measured elastic σ(θ); deduced optical model parameters. 12C(7Li, αX), E=7.5, 9, 12, 15 MeV; measured Eα and σ(θ); analyzed fusion and direct σ. Comparison with previous data and model calculations.
doi: 10.1016/j.nuclphysa.2007.05.013
2006FA07 Phys.Rev.Lett. 97, 242502 (2006) M.Fallot, J.A.Scarpaci, N.Frascaria, Y.Blumenfeld, A.Chbihi, Ph.Chomaz, P.Desesquelles, J.Frankland, E.Khan, J.L.Laville, E.Plagnol, E.C.Pollacco, P.Roussel-Chomaz, J.C.Roynette, A.Shrivastava, T.Zerguerras Evidence for a Three-Phonon Giant Resonance State in 40Ca Nuclei NUCLEAR REACTIONS 40Ca(40Ca, pX)39K/38Ar/37Cl, E=50 MeV/nucleon; measured Ep, missing energy spectra. 40Ca deduced three-phonon giant resonance state.
doi: 10.1103/PhysRevLett.97.242502
2006KA07 Phys.Rev. C 73, 024609 (2006) K.Kalita, S.Verma, R.Singh, J.J.Das, A.Jhingan, N.Madhavan, S.Nath, T.Varughese, P.Sugathan, V.V.Parkar, K.Mahata, K.Ramachandran, A.Shrivastava, A.Chatterjee, S.Kailas, S.Barua, P.Basu, H.Majumdar, M.Sinha, R.Bhattacharya, A.K.Sinha Elastic scattering and fusion cross sections for 7Be, 7Li+27Al systems NUCLEAR REACTIONS 27Al(7Be, 7Be'), (7Be, X), E=17, 19, 21 MeV; 27Al(7Li, 7Li), (7Li, X), E=10, 13, 16, 19, 24 MeV; measured elastic and quasi-elastic σ(θ), fusion σ; deduced optical model parameters. 27Al(7Li, αX), E=10, 13, 16, 19, 24 MeV; measured Eα, σ(θ).
doi: 10.1103/PhysRevC.73.024609
2006RA14 Phys.Rev. C 73, 064609 (2006) K.Ramachandran, A.Chatterjee, A.Navin, K.Mahata, A.Shrivastava, V.Tripathi, S.Kailas, V.Nanal, R.G.Pillay, A.Saxena, R.G.Thomas, S.Kumar, P.K.Sahu Fission time scale from prescission neutron, proton, and α particle multiplicities in 28Si+175Lu NUCLEAR REACTIONS 175Lu(28Si, nX), (28Si, pX), (28Si, αX), E=159 MeV; measured prescission neutron, proton, and α multiplicities, σ(E, θ). 203At deduced fission time scale. Deformation dependent particle binding energies and transmission co-efficients, dynamical effects.
doi: 10.1103/PhysRevC.73.064609
2006SH07 Phys.Lett. B 633, 463 (2006) A.Shrivastava, A.Navin, N.Keeley, K.Mahata, K.Ramachandran, V.Nanal, V.V.Parkar, A.Chatterjee, S.Kailas Evidence for transfer followed by breakup in 7Li + 65Cu NUCLEAR REACTIONS 65Cu(6Li, dα), (7Li, dα), (7Li, tα), E=25 MeV; measured Eα, Iα, dα-, tα-coin, σ(θ). 65Cu(6Li, 6Li), (7Li, 7Li), E=25 MeV; measured elastic σ(θ). Comparison with DWBA and coupled channels calculations.
doi: 10.1016/j.physletb.2005.12.060
2005CH50 Nucl.Phys. A759, 43 (2005) L.V.Chulkov, F.Aksouh, A.Bleile, O.V.Bochkarev, D.Cortina-Gil, A.V.Dobrovolsky, P.Egelhof, H.Geissel, M.Hellstrom, N.B.Isaev, O.A.Kiselev, B.G.Komkov, M.Matos, F.N.Moroz, G.Munzenberg, M.Mutterer, V.A.Mylnikov, S.R.Neumaier, V.N.Pribora, D.M.Seliverstov, L.O.Sergeev, A.Shrivastava, K.Summerer, S.Yu.Torilov, H.Weick, M.Winkler, V.I.Yatsoura Quasi-free scattering with 6, 8He beams NUCLEAR REACTIONS 1H(6He, p), (6He, np), (6He, pα), E=717 MeV/nucleon; 1H(8He, p), (8He, np), (8He, pα), E=671 MeV/nucleon; measured recoil proton spectra, σ(E, θ). 6,8He deduced cluster configurations, spectroscopic factors.
doi: 10.1016/j.nuclphysa.2005.05.148
2005KI21 Eur.Phys.J. A 25, Supplement 1, 215 (2005) O.A.Kiselev, F.Aksouh, A.Bleile, O.V.Bochkarev, L.V.Chulkov, D.Cortina-Gil, A.V.Dobrovolsky, P.Egelhof, H.Geissel, M.Hellstrom, N.B.Isaev, B.G.Komkov, M.Matos, F.V.Moroz, G.Munzenberg, M.Mutterer, V.A.Mylnikov, S.R.Neumaier, V.N.Pribora, D.M.Seliverstov, L.O.Sergueev, A.Shrivastava, K.Summerer, H.Weick, M.Winkler, V.I.Yatsoura Investigation of nuclear matter distribution of the neutron-rich He isotopes by proton elastic scattering at intermediate energies NUCLEAR REACTIONS 1H(6He, p), (8He, p), E ≈ 700 MeV/nucleon; measured recoil proton spectra, σ(E, θ). 6,8He deduced nuclear matter density distributions, charge radii, cluster configurations, spectroscopic factors.
doi: 10.1140/epjad/i2005-06-156-3
2005TR10 Phys.Rev. C 72, 017601 (2005) V.Tripathi, A.Navin, V.Nanal, R.G.Pillay, K.Mahata, K.Ramachandran, A.Shrivastava, A.Chatterjee, S.Kailas Experimental signatures for distinguishing breakup fusion and transfer in 7Li + 165Ho NUCLEAR REACTIONS 165Ho(7Li, αX), E=42 MeV; measured Eγ, Iγ, (charged particle)γ-coin; deduced transfer and breakup fusion contributions. Comparison with model predictions.
doi: 10.1103/PhysRevC.72.017601
2004HE22 Nucl.Instrum.Methods Phys.Res. A531, 645 (2004) M.Hemalatha, S.Kailas, K.Mahata, A.Shrivastava, K.Ramachandran, A.Chatterjee Production of neutron-deficient nuclei 127Cs and 129Cs by heavy-ion fusion reaction NUCLEAR REACTIONS Sn(11B, xn)127Cs/129Cs, E=34.8-51.1 MeV; measured Eγ, Iγ, production σ.
doi: 10.1016/j.nima.2004.05.120
2004HE24 Phys.Rev. C 70, 044320 (2004) M.Hemalatha, A.Bhagwat, A.Shrivastava, S.Kailas, Y.K.Gambhir Anomaly in the nuclear charge radii of Zr isotopes NUCLEAR STRUCTURE 78,80,82,84,86,88,90,92,94,96,98,100,102,104,106Zr; calculated ground-state deformation, radii, two-neutron separation energies, density distributions. Relativistic mean-field approach. NUCLEAR REACTIONS 88,90,92,94,96,98,100,102Zr(p, p), E=50 MeV; calculated σ(θ). 78,80,82,84,86,88,90,92,94,96,98,100,102,104,106Zr(p, X), E=50 MeV; calculated reaction σ. Relativistic mean-field approach, comparison with data.
doi: 10.1103/PhysRevC.70.044320
2004NA32 Phys.Rev. C 70, 044601 (2004) A.Navin, V.Tripathi, Y.Blumenfeld, V.Nanal, C.Simenel, J.M.Casandjian, G.de France, R.Raabe, D.Bazin, A.Chatterjee, M.Dasgupta, S.Kailas, R.C.Lemmon, K.Mahata, R.G.Pillay, E.C.Pollacco, K.Ramachandran, M.Rejmund, A.Shrivastava, J.L.Sida, E.Tryggestad Direct and compound reactions induced by unstable helium beams near the Coulomb barrier NUCLEAR REACTIONS 63,65Cu, 188,190,192Os(α, X), E=16-34 MeV; 63Cu(6He, X), E=30 MeV; 65Cu(6He, X), E=19.5, 30 MeV; 63Cu(8He, X), E=27 MeV; 188,190,192Os(6He, X), E=30 MeV; measured Eγ, Iγ, particle spectra, fusion, transfer, and evaporation residue σ, σ(θ).
doi: 10.1103/PhysRevC.70.044601
2004SH28 Phys.Lett. B 596, 54 (2004) A.Shrivastava, Y.Blumenfeld, N.Keeley, T.Zerguerras, T.Aumann, D.Bazin, M.Chromik, G.M.Crawley, T.Glasmacher, K.W.Kemper, F.Marechal, D.J.Morrissey, T.Nakamura, A.Navin, E.C.Pollacco, D.Santonocito, B.M.Sherrill, T.Suomijarvi, M.Thoennessen, E.Tryggestad, R.L.Varner 11Be continuum studied through proton scattering NUCLEAR REACTIONS 1H(11Be, 11Be), (11Be, 11Be'), E=63.7 MeV/nucleon; measured excitation energy spectra, σ(θ). 11Be deduced levels, J, π, configurations.
doi: 10.1016/j.physletb.2004.06.070
2004ZE05 Eur.Phys.J. A 20, 389 (2004) T.Zerguerras, B.Blank, Y.Blumenfeld, T.Suomijarvi, D.Beaumel, B.A.Brown, M.Chartier, M.Fallot, J.Giovinazzo, C.Jouanne, V.Lapoux, I.Lhenry-Yvon, W.Mittig, P.Roussel-Chomaz, H.Savajols, J.A.Scarpaci, A.Shrivastava, M.Thoennessen Study of light proton-rich nuclei by complete kinematics measurements NUCLEAR REACTIONS 9Be(18Ne, n17Ne), E=36 MeV/nucleon; 9Be(20Mg, 18NaX), (20Mg, 19NaX), E=43 MeV/nucleon; measured particle spectra, angular correlations, invariant mass following fragment proton decay. 18,19Na, 17Ne; deduced excited states proton decay features.
doi: 10.1140/epja/i2003-10176-1
2003MA18 Nucl.Phys. A720, 209 (2003) K.Mahata, S.Kailas, A.Shrivastava, A.Chatterjee, A.Navin, P.Singh, S.Santra, B.S.Tomar Fusion of 19F with 188, 192Os NUCLEAR REACTIONS 188,192Os(19F, xn), (19F, F), E=80-105 MeV; measured fission and evaporation residue excitation functions, fission fragments angular distributions. Comparison with statistical model predictions.
doi: 10.1016/S0375-9474(03)01005-4
2002BA50 Eur.Phys.J. A 14, 53 (2002) D.Bandyopadhyay, C.Bhattacharya, K.Krishan, S.Bhattacharya, S.K.Basu, A.Chatterjee, S.Kailas, A.Shrivastava, K.Mahata Light-Charged-Particle Evaporation from Hot 31P Nucleus at E* ∼ 60 MeV NUCLEAR REACTIONS 24Mg(7Li, X), E=47 MeV; 12C(19F, X), E=96 MeV; measured light-charged particle spectra, σ(θ) following compound nucleus decay. Comparison with statistical model predictions.
doi: 10.1140/epja/iepja1269
2002MA13 Phys.Rev. C65, 034613 (2002) K.Mahata, S.Kailas, A.Shrivastava, A.Chatterjee, P.Singh, S.Santra, B.S.Tomar Possible Influence of Neutron Shell Closure (Nc = 126) on Fission Anisotropies for 19F + 194, 198Pt Systems NUCLEAR REACTIONS 194,198Pt(19F, X), (19F, F), E=88-104 MeV; measured fission, fusion and evaporation residue σ, fragment angular distributions and anisotropies; deduced possible shell effects.
doi: 10.1103/PhysRevC.65.034613
2001BB02 Phys.Rev. C64, 064613 (2001) D.Bandyopadhyay, C.Bhattacharya, K.Krishan, S.Bhattacharya, S.K.Basu, A.Chatterjee, S.Kailas, A.Shrivastava, K.Mahata Exclusive Light Particle Measurements for the System 19F + 12C at 96 MeV NUCLEAR REACTIONS 12C(19F, xnypzα), E=96 MeV; measured Ep, Eα, σ(E, θ). 31P deduced hot compound nucleus decay features. Comparison with statistical model predictions.
doi: 10.1103/PhysRevC.64.064613
2001BE52 Phys.Rev. C64, 041602 (2001) B.R.Behera, S.Jena, M.Satpathy, S.Kailas, K.Mahata, A.Shrivastava, A.Chatterjee, S.Roy, P.Basu, M.K.Sharan, S.K.Datta Entrance-Channel Effect in Fission Fragment Anisotropies from 11B + 235U and 14N + 232Th Systems NUCLEAR REACTIONS 235U(11B, F), E=64-72 MeV; 232Th(14N, F), E=80-92 MeV; measured fission fragment angular distributions, anisotropies; deduced entrance channel effect. Statistical saddle point model.
doi: 10.1103/PhysRevC.64.041602
2001GU09 Nucl.Phys. A683, 3 (2001) D.Gupta, C.Samanta, A.Chatterjee, S.Kailas, B.J.Roy, K.Mahata, A.Shrivastava Measurement of 42 MeV 7Li Projectile Breakup on 208Pb Target Near Grazing Incidence NUCLEAR REACTIONS 208Pb(7Li, 7Li), E=42 MeV; measured σ(θ). 208Pb(7Li, X), (7Li, tα), E=42 MeV; measured elastic, direct, and sequential breakup particle spectra, σ(E, θ); deduced reaction mechanism features. 197Au(7Li, tα), E=54 MeV; 208Pb(7Li, tα), E=63 MeV; analyzed σ(E, θ).
doi: 10.1016/S0375-9474(00)00452-8
2001GU32 Pramana 57, 209 (2001) D.Gupta, C.Samanta, R.Kanungo, P.Basu, S.Roy, S.Kailas, A.Chatterjee, B.J.Roy, K.Mahata, A.Samant, A.Shrivastava Breakup of 42 MeV 7Li Projectiles in the Fields of 12C and 197Au Nuclei NUCLEAR REACTIONS 12C, 197Au(7Li, tα), E=42 MeV; measured Eα, triton spectra, σ(E, θ). Comparison with Serber model predictions.
doi: 10.1007/s12043-001-0177-7
2001SA41 Phys.Rev. C64, 024602 (2001) S.Santra, P.Singh, S.Kailas, A.Chatterjee, A.Shrivastava, K.Mahata Coupled Reaction Channel Analysis of Elastic, Inelastic, Transfer, and Fusion Cross Sections for 12C + 208Pb NUCLEAR REACTIONS 208Pb(12C, 12C), (12C, 12C'), (12C, 13C), (12C, 11B), E=58.9-84.9 MeV; measured σ(θ), σ(E, θ); deduced optical model parameters. 208Pb(12C, F), E=59-79 MeV; measured fission fragments angular distributions. 208Pb(12C, 2n), E=59-63 MeV; measured σ; deduced fusion σ. Coupled reaction channels analysis.
doi: 10.1103/PhysRevC.64.024602
2001SH20 Phys.Rev. C63, 054602 (2001) A.Shrivastava, S.Kailas, A.Chatterjee, A.Navin, A.M.Samant, P.Singh, S.Santra, K.Mahata, B.S.Tomar, G.Pollarolo Collectivity Against Nucleon Transfer in Sub-Barrier Fusion of 12C + 194, 198Pt NUCLEAR REACTIONS 194,198Pt(12C, X), E=55.5-73.0; measured fusion σ, compound nucleus spin distributions, transfer probabilities; 194,198Pt(12C, 12C), (12C, 13C), (12C, 11B), E=73.5 MeV; measured σ(θ); deduced barrier distributions, reaction mechanism features. Coupled channels analysis.
doi: 10.1103/PhysRevC.63.054602
2001SI02 Nucl.Phys. A679, 287 (2001) C.P.Silva, M.A.G.Alvarez, L.C.Chamon, D.Pereira, M.N.Rao, E.S.Rossi, Jr., L.R.Gasques, M.A.E.Santo, R.M.Anjos, J.Lubian, P.R.S.Gomes, C.Muri, B.V.Carlson, S.Kailas, A.Chatterjee, P.Singh, A.Shrivastava, K.Mahata, S.Santra The Heavy-Ion Nuclear Potential: Determination of a systematic behavior at the region of surface interaction distances NUCLEAR REACTIONS 120Sn(16O, 16O), E=53-55 MeV; 138Ba(16O, 16O), E=54-57 MeV; 208Pb(16O, 16O), E=74-78 MeV; measured σ(θ); deduced optical potentials. Double-folding calculations with microscopic densities.
doi: 10.1016/S0375-9474(00)00347-X
2000SA12 Eur.Phys.J. A 7, 59 (2000) A.M.Samant, S.Kailas, A.Chatterjee, A.Shrivastava, A.Navin, P.Singh Fission Fragment Anisotropies for 19F + 209Bi System NUCLEAR REACTIONS 209Bi(19F, F), E=88.0-125.6 MeV; measured fusion-fission σ, fission fragments angular distributions, anisotropy; deduced barrier distribution, neglible pre-equilibrium fission contribution.
doi: 10.1007/s100500050012
1999BA11 Phys.Rev. C59, 1179 (1999) D.Bandyopadhyay, S.K.Basu, C.Bhattacharya, S.Bhattacharya, K.Krishan, A.Chatterjee, S.Kailas, A.Navin, A.Shrivastava Evaporation of α Particles from the 31P Nucleus NUCLEAR REACTIONS 12C(19F, α), E=96 MeV; measured α spectra, σ(Eα, θ); deduced statistical model parameters, compound nucleus deformation.
doi: 10.1103/PhysRevC.59.1179
1999GU02 Nucl.Phys. A646, 161 (1999) D.Gupta, C.Samanta, R.Kanungo, M.K.Sharan, S.Kailas, A.Chatterjee, K.Mahata, A.Shrivastava Measurement of 42 MeV 7Li Projectile Breakup on 58Ni Target Beyond Grazing Incidence NUCLEAR REACTIONS 58Ni(7Li, 7Li), E=42 MeV; measured σ(θ). 58Ni(7Li, X), E=42 MeV; measured particle spectra. 58Ni(7Li, tα), E=42 MeV; measured Eα, Et, σ(θ(α), θ(t), Eα); deduced sequential breakup contribution.
doi: 10.1016/S0375-9474(98)00635-6
1999SA38 Phys.Rev. C60, 034611 (1999) S.Santra, P.Singh, S.Kailas, A.Chatterjee, A.Navin, A.Shrivastava, A.M.Samant, K.Mahata Threshold Anomaly in 12C + 209Bi Scattering NUCLEAR REACTIONS 209Bi(12C, 12C), (12C, 12C'), (12C, 13C), E=58.9-87.4 MeV; measured σ(E, θ); deduced optical model parameters, fusion cross section. Coupled channel calculations. Projectile dependence of threshold anomaly discussed.
doi: 10.1103/PhysRevC.60.034611
1999SH07 Phys.Rev.Lett. 82, 699 (1999) A.Shrivastava, S.Kailas, A.Chatterjee, A.M.Samant, A.Navin, P.Singh, B.S.Tomar Shell Effects in Fission Fragment Anisotropies for 12C + 194, 198Pt Systems NUCLEAR REACTIONS 194,198Pt(12C, F), E(cm)=59-85 MeV; measured fission σ, fission fragment angular distributions; deduced shell effects in fragment anisotropy. 194,198Pt(12C, xn), E(cm)=59-85 MeV; measured σ.
doi: 10.1103/PhysRevLett.82.699
1998RA01 Phys.Rev. C57, 971 (1998) G.V.Ravi Prasad, A.M.Samant, A.Shrivastava, A.Navin, A.Chatterjee, P.Singh, S.Kailas, V.S.Ramamurthy Fission Fragment Angular Distributions at Near-Barrier Energies in 11B, 12C, 14N + 209Bi NUCLEAR REACTIONS 209Bi(11B, F), (12C, F), (14N, F), E ≈ barrier; measured fission σ(E), fragment anisotropies; deduced target deformation role. Statistical model analysis, other reactions compared.
doi: 10.1103/PhysRevC.57.971
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