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NSR database version of April 11, 2024.

Search: Author = E.Prasad

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2023JE01      Phys.Lett. B 837, 137641 (2023)

D.Y.Jeung, D.J.Hinde, M.Dasgupta, C.Simenel, E.C.Simpson, K.J.Cook, H.M.Albers, J.Buete, I.P.Carter, Ch.E.Dullmann, J.Khuyagbaatar, B.Kindler, N.Lobanov, B.Lommel, C.Mokry, E.Prasad, J.Runke, C.Sengupta, J.F.Smith, P.Thorle-Pospiech, N.Trautmann, K.Vo-Phuoc, J.Walshe, E.Williams, A.Yakushev

Sequential fission and the influence of 208Pb closed shells on the dynamics of superheavy element synthesis reactions

NUCLEAR REACTIONS 238U, 244Pu, 248Cm, 249Cf(50Ti, F), E ∼ 230 MeV; measured fission fragments. 208Pb; deduced σ, binary quasifission mass spectra, sequential fission survival probabilities. The ANU Heavy Ion Accelerator Facility.

doi: 10.1016/j.physletb.2022.137641
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2023SH11      Phys.Rev. C 107, 054619 (2023)

M.Shareef, E.Prasad, A.Jhingan, N.Saneesh, S.Pal, A.M.Vinodkumar, K.S.Golda, M.Kumar, A.Shamlath, P.V.Laveen, A.C.Visakh, M.M.Hosamani, S.K.Duggi, P.S.Devi, G.N.Jyothi, A.Tejaswi, A.Chatterjee, P.Sugathan

Neutron multiplicity measurement and investigation of nuclear dissipation and shell effects in 30Si + 182, 184, 186W reactions

NUCLEAR REACTIONS 182W(30Si, X)212Ra, 184W(30Si, X)214Ra, 186W(30Si, X)216Ra, E=138.8-191.9 MeV; measured reaction products, fission fragments, neutron time-of-flight, En, In, angular distribution, (fragment)n-coin; deduced neutron multiplicity spectra, prescission (from compound nucleus) and postscission (from fission fragments) contributions to neutron multiplicity, neutron angular distribution. Comparison to statistical model calculations performed with code VECSTAT incorporating dynamical hindrance in nuclear fission due to dissipation, shell corrections in the fission barrier and level density, and collective enhancement of level density (CELD). National Array of Neutron Detectors (NAND) consisting of 50 organic liquid scintillator detectors (BC 501A) coupled to the pair of position-sensitive multiwire proportional counters (MWPCs) at 15 UD Pelletron+Superconducting Linear Accelerator facility of the Inter-University Accelerator Centre (IUAC, New Delhi).

doi: 10.1103/PhysRevC.107.054619
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2022JI08      Phys.Rev. C 105, 054614 (2022)

P.Jisha, A.M.Vinodkumar, S.Sanila, K.Arjun, B.R.S.Babu, J.Gehlot, S.Nath, N.Madhavan, R.Biswas, A.Parihari, A.Vinayak, A.Mahato, E.Prasad, A.C.Visakh

Role of positive transfer Q values in fusion cross sections for 18O + 182, 184, 186W reactions

NUCLEAR REACTIONS 182,184,186W(18O, X), E=68-104 MeV; measured reaction products, evaporation residues, beam-like particles; deduced evaporation residues σ(E) , fusion σ(E). Comparison to coupled channels calculations (CCFULL code) with inclusion of different inelastic channels. Systematics of fusion σ(E) in reactions induced by 16O and 18O. Heavy Ion Reaction Analyser (HIRA) at the 15 UD Pelletron accelerator facility of the Inter-University Accelerator Centre (IUAC), New Delhi

doi: 10.1103/PhysRevC.105.054614
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD6432.

2022SA36      Phys.Rev. C 106, 024614 (2022)

S.Sanila, A.M.Vinodkumar, B.R.S.Babu, N.Madhavan, S.Nath, J.Gehlot, R.Biswas, C.Kumar, Gonika, A.Rani, A.Parihari, D.Viswakarma, S.Noor, E.Prasad

Fusion studies in 12C + 182, 184, 186W reactions at energies below and near the Coulomb barrier

NUCLEAR REACTIONS 182W(12C, X)194Hg, 184W(12C, X)196Hg, 186W(12C, X)198Hg, E=52-84 MeV; measured reaction products, evaporation residues; deduced evaporation residue σ(E) at energies below and near the Coulomb barrier, fusion and fission excitation functions. Analysis within the framework of coupled channel predictions using CCFULL. Comparison to other experimental data, one-dimensional barrier penetration model (1DBPM) calculations and statistical model calculations using code HIVAP (Heavy-Ion VAPorisation statistical-evaporation model). Systematics of Hg isotopes production in heavy ion fusion reactions. Recoil mass spectrometer - the heavy ion reaction analyzer (HIRA) combined with MWPC and SSSD detectors at 15UD Pelletron accelerator facility at the Inter-University Accelerator Center (IUAC), New Delhi.

doi: 10.1103/PhysRevC.106.024614
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD6440.

2021BA41      Phys.Lett. B 820, 136601 (2021)

K.Banerjee, D.J.Hinde, M.Dasgupta, J.Sadhukhan, E.C.Simpson, D.Y.Jeung, C.Simenel, B.M.A.Swinton-Bland, E.Williams, L.T.Bezzina, I.P.Carter, K.J.Cook, H.M.Albers, Ch.E.Dullmann, J.Khuyagbaatar, B.Kindler, B.Lommel, C.Mokry, E.Prasad, J.Runke, N.Schunck, C.Sengupta, J.F.Smith, P.Thorle-Pospiech, N.Trautmann, K.Vo-Phuoc, J.Walshe, A.Yakushev

Sensitive search for near-symmetric and super-asymmetric fusion-fission of the superheavy element Flerovium (Z=114)

NUCLEAR REACTIONS 208Pb, 244Pu(48Ca, X), 232Th(54Cr, X)Fl, E not given; analyzed available data; deduced masses, σ(θ). Comparison with microscopic calculations of Helmholtz free energy surfaces (FES).

doi: 10.1016/j.physletb.2021.136601
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2021KA31      Int.J.Mod.Phys. E30, 2150053 (2021)

S.Kalkal, S.Mandal, N.Madhavan, A.Jhingan, S.Nath, E.Prasad, R.Sandal, S.Goyal, M.Saxena, G.Mohanto, S.Verma, B.R.Behera, S.Kumar, U.Datta, A.K.Sinha, R.Singh, S.Noor

Ground state and excited state multinucleon transfer channels in interactions of 28Si with 90, 94Zr in near barrier region

NUCLEAR REACTIONS 90,94Zr(28Si, X), E=95.5 MeV; measured reaction products; deduced ground and excited states transfer reaction yields.

doi: 10.1142/S0218301321500531
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2021VI08      Phys.Rev. C 104, 054602 (2021)

A.C.Visakh, E.Prasad, P.V.Laveen, M.Shareef, A.Shamlath, S.Nath, N.Madhavan, J.Gehlot, Gonika, R.Biswas, A.Parihari, J.Khuyagbaatar, B.Lommel, B.Kindler, A.M.Vinodkumar, B.R.S.Babu, S.Sanila, K.M.Varier, S.Appannababu

Fusion studies in 16O + 142, 150Nd reactions at energies near the Coulomb barrier

NUCLEAR REACTIONS 142Nd(16O, X), E=60-104 MeV; 150Nd(16O, X), E=56-104 MeV from the 15-UD Pelletron accelerator at IUAC-New Delhi; measured reaction products using the Heavy Ion Reaction Analyzer (HIRA), with electromagnetic configuration of Q1Q2-ED1-M-MD-ED2-Q3Q4 and two silicon surface barrier detectors (SSBDs), evaporation residues (ERs) using position sensitive multiwire proportional counter (MWPC), two-dimensional ΔE versus ToF spectra, σ(E) for ERs; deduced fusion σ(E). 148Nd(18O, X), 142,144,148Nd(16O, X), E-VB=-10-35 MeV analyzed previous and present experimental measurements for reduced fusion σ(E). Comparison with coupled channels calculations using CCFULL code, and with 1D-BPM predictions using Akyuz-Winther (AW) potential parameters.

doi: 10.1103/PhysRevC.104.054602
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD6412.

2020JI03      Phys.Rev. C 101, 024611 (2020)

P.Jisha, A.M.Vinodkumar, B.R.S.Babu, S.Nath, N.Madhavan, J.Gehlot, A.Jhingan, T.Banerjee, Ish Mukul, R.Dubey, N.Saneesh, K.M.Varier, E.Prasad, A.Shamlath, P.V.Laveen, M.Shareef

Evaporation residue measurements of compound nuclei in the A ≈ 200 region

NUCLEAR REACTIONS 181Ta(16O, X), (18O, X), E=68-110 MeV; measured reaction products, time-of-flight and E-ΔE, evaporation residue σ(E). Comparison with coupled-channel (CC) calculations using CCFULL code. 181Ta(16O, X), (18O, X), E(cm)=60-120 MeV; 180Hf(19F, X), E(cm)=70-115 MeV; analyzed present and previous experimental σ(E) data using the HIVAP code. 181Ta(12C, X), (13C, X), (16O, X), (18O, X), 174,176Yb, 181Ta, 182,184W(16O, X), E(cm)/VB=0.9-1.5; analyzed experimental data in literature for reduced cross sections of evaporation residues. 204,206,208Pb(12C, X), 180Hf, 181Ta, 197Au, 194,198Pt(19F, X), 181Ta, 188,192Os, 197Au(18O, X), 181Ta, 184,186W, 188,192Os, 197Au(16O, X), E not given; analyzed experimental data in literature for charge products ZpZt and neutron numbers of compound nuclei, fission barriers scaling factors, ratio of mass asymmetry values, and fusion probabilities.

doi: 10.1103/PhysRevC.101.024611
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD6379.

2020LA12      Phys.Rev. C 102, 034613 (2020)

P.V.Laveen, E.Prasad, N.Madhavan, A.K.Nasirov, J.Gehlot, S.Nath, G.Mandaglio, G.Giardina, A.M.Vinodkumar, M.Shareef, A.Shamlath, S.K.Duggi, P.Sandya Devi, T.Banerjee, M.M.Hosamani, Khushboo, P.Jisha, N.Kumar, P.Sharma, T.Varughese

Fusion studies in 35, 37Cl + 181Ta reactions via evaporation residue cross section measurements

NUCLEAR REACTIONS 181Ta(35Cl, X), (37Cl, X), E=169.7-236.6 MeV; measured evaporation residues (ERs) using HYbrid Recoil mass Analyzer (HYRA) and position sensitive multiwire proportional counter (MWPC) at the 15-UD Pelletron and superconducting linear accelerator (sc-LINAC) facility of IUAC-New Delhi; deduced σ(E), partial capture, fusion, fast fission and quasifission and total ER cross sections; calculated potential energy surface (PES) of populating 216Th compound nucleus as a function of the distance between the interacting nuclei and charge numbers (Z) of the fragments. Comparison with dinuclear system (DNS) model and statistical model calculations.

doi: 10.1103/PhysRevC.102.034613
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD6392.

2020PR14      Phys.Lett. B 811, 135941 (2020)

E.Prasad, D.J.Hinde, M.Dasgupta, D.Y.Jeung, A.C.Berriman, B.M.A.Swinton-Bland, C.Simenel, E.C.Simpson, R.Bernard, E.Williams, K.J.Cook, D.C.Rafferty, C.Sengupta, J.F.Smith, K.Vo-Phuoc, J.Walshe

Systematics of the mass-asymmetric fission of excited nuclei from 176Os to 206Pb

NUCLEAR REACTIONS 176Os, 176,180Pt, 192,198Hg, 206Pb(p, F), (12C, F), (32S, F), (40Ca, F), (48Ca, F), E not given; analyzed available data; deduced mass-asymmetric fission systematics, total kinetic energy distributions, fission mass-ratio distributions. Comparison with GEF calculations.

doi: 10.1016/j.physletb.2020.135941
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2019BA26      Phys.Rev.Lett. 122, 232503 (2019)

K.Banerjee, D.J.Hinde, M.Dasgupta, E.C.Simpson, D.Y.Jeung, C.Simenel, B.M.A.Swinton-Bland, E.Williams, I.P.Carter, K.J.Cook, H.M.David, C.E.Dullmann, J.Khuyagbaatar, B.Kindler, B.Lommel, E.Prasad, C.Sengupta, J.F.Smith, K.Vo-Phuoc, J.Walshe, A.Yakushev

Mechanisms Suppressing Superheavy Element Yields in Cold Fusion Reactions

NUCLEAR REACTIONS 208Pb(50Ti, X), (48Ca, X), (54Cr, X), E not given; analyzed available data; deduced projectile impact on drastic fall in the symmetric fission yield, which is reflected in the measured mass-angle distribution by the presence of competing fast nonequilibrium deep inelastic and quasifission processes.

doi: 10.1103/PhysRevLett.122.232503
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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
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD6373.

2019SH10      Phys.Rev. C 99, 024618 (2019)

M.Shareef, E.Prasad, A.Jhingan, N.Saneesh, K.S.Golda, A.M.Vinodkumar, M.Kumar, A.Shamlath, P.V.Laveen, A.C.Visakh, M.M.Hosamani, S.K.Duggi, P.Sandya Devi, G.N.Jyothi, A.Tejaswi, P.N.Patil, J.Sadhukhan, P.Sugathan, A.Chatterjee, S.Pal

Nuclear dissipation at high excitation energy and angular momenta in reaction forming 227Np

NUCLEAR REACTIONS 197Au(30Si, X)227Np*, E=152.3, 159.4, 166.4, 173.4, 179.4, 186.4, 192.4 MeV or E*=44-79 MeV; measured reaction products, time correlation spectra of complementary fragments, E(n), I(n), double differential neutron multiplicity spectra, neutron angular distributions, fragment and neutron time of flight using the National Array of Neutron Detector (NAND) array for neutron detection and two multiwire proportional counters for fragment detection at the 15 UD Pelletron accelerator facility of IUAC-New Delhi; deduced neutron multiplicity, pre-, post-and total scission neutron multiplicity and temperature, and total neutron multiplicity. Comparison with statistical model calculations.

doi: 10.1103/PhysRevC.99.024618
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2018HI02      Phys.Rev. C 97, 024616 (2018)

D.J.Hinde, D.Y.Jeung, E.Prasad, A.Wakhle, M.Dasgupta, M.Evers, D.H.Luong, R.du Rietz, C.Simenel, E.C.Simpson, E.Williams

Sub-barrier quasifission in heavy element formation reactions with deformed actinide target nuclei

NUCLEAR REACTIONS 232Th(34S, X)266Sg*, E(cm)=143.6, 145.7, 147.9, 150.5, 158.4, 166.7 MeV; 238U(28Si, X)266Sg*, E(cm)=126.9, 129.5, 137.4, 145.7, 151.0, 155.5 MeV; 232Th(30Si, X)262Rf*, E(cm)=128.2, 131.8, 135.9, 139.5, 143.1, 146.7 MeV; 238U(24Mg, X)262Rf*, E(cm)=110.0, 113.2, 116.4, 120.0, 126.3, 129.5 MeV; measured reaction products, fission and quasifission mass and angle distributions (MADs); 232Th(19F, X), E=76.4, 78.3, 80.1, 82.0, 83.8, 85.7, 87.6, 89.4, 91.2, 93.1, 95.0, 96.8, 98.6, 100.5, 102.4, 107.0 MeV; 232Th(32S, X), (19F, X), (16O, X), (12C, X), (11B, X), E/VB=0.8-1.3; 238U(16O, X), (12C, X), (11B, X), E/VB=0.8-1.3; measured angular distribution of mass-symmetric fission events, σ(E) for full momentum transfer (FMT) fission for 19F+232Th reaction. Experiments used CUBE fission spectrometer at the Australian National University 14UD tandem accelerator facility to determine the probabilities of fast and slow quasifission in reactions with prolate deformed actinide nuclei. Relevance to formation of superheavy elements (SHEs) by fusion of two massive nuclei.

doi: 10.1103/PhysRevC.97.024616
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2018KH05      Phys.Rev. C 97, 064618 (2018)

J.Khuyagbaatar, H.M.David, D.J.Hinde, I.P.Carter, K.J.Cook, M.Dasgupta, Ch.E.Dullmann, D.Y.Jeung, B.Kindler, B.Lommel, D.H.Luong, E.Prasad, D.C.Rafferty, C.Sengupta, C.Simenel, E.C.Simpson, J.F.Smith, K.Vo-Phuoc, J.Walshe, A.Wakhle, E.Williams, A.Yakushev

Nuclear structure dependence of fusion hindrance in heavy element synthesis

NUCLEAR REACTIONS 204,208Pb(48Ti, X), E=240.0, 245.0, 252.2, 259.0, 270.0, 280.0 MeV; 206,208Pb(50Ti, X), E=236.0, 240.0, 252.0, 258.0, 264.0, 270.0, 280.2 MeV; measured reaction products, mass ratio and angular distributions (MAD) of fragments, double differential σ(θ, MR), and widths using CUBE detector array at the Heavy Ion Accelerator Facility of Australian National University. 206Pb(36S, X), (34S, X), (48Ti, X), (50Ti, X), E*=25-60 MeV; calculated mean-squared angular momenta, widths and MR distributions, and compared with experimental data. Discussed impact of nuclear structure on fusion-evaporation reactions.

doi: 10.1103/PhysRevC.97.064618
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2018WA06      Phys.Rev. C 97, 021602 (2018)

A.Wakhle, K.Hammerton, Z.Kohley, D.J.Morrissey, K.Stiefel, J.Yurkon, J.Walshe, K.J.Cook, M.Dasgupta, D.J.Hinde, D.J.Jeung, E.Prasad, D.C.Rafferty, C.Simenel, E.C.Simpson, K.Vo-Phuoc, J.King, W.Loveland, R.Yanez

Capture cross sections for the synthesis of new heavy nuclei using radioactive beams

NUCLEAR REACTIONS 181Ta(39K, X), E=180-210 MeV; 181Ta(46K, X), E=190-215 MeV; measured time of flight and relative position of fission fragments, capture-fission σ(E) from a binary event using 14UD Heavy-ion accelerator facility of Australian National University (ANU), and Coupled Cyclotron Facility (CCF) projectile fragmentation facility at NSCL-MSU, and the Coincident Fission Fragment Detector (CFFD) at the ReA3 facility at NSCL; deduced velocity vectors of the coincident fragments, masses and angular distributions of fission fragments. Comparison with several phenomenological models and microscopic time-dependent Hartree-Fock calculations. Discussed implications for the synthesis of heavy nuclei at radioactive beam facilities. 197Au(31Al, X), E(cm), 248Cm(26Mg, X), E(cm)=110-160 MeV; 248Cm(48Ca, X), E(cm)=195-230 MeV; 154Sm(31Al, X), E(cm)=125-190 MeV; 238U(48Ca, X), E(cm)=185-235 MeV; 238U(64Ni, X), E(cm)=260-300 MeV; compiled theoretical and experimental values of capture fission σ(E). Comparison with several theoretical results.

doi: 10.1103/PhysRevC.97.021602
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2285.

2017MO40      Phys.Rev.Lett. 119, 222502 (2017)

M.Morjean, D.J.Hinde, C.Simenel, D.Y.Jeung, M.Airiau, K.J.Cook, M.Dasgupta, A.Drouart, D.Jacquet, S.Kalkal, C.S.Palshetkar, E.Prasad, D.Rafferty, E.C.Simpson, L.Tassan-Got, K.Vo-Phuoc, E.Williams

Evidence for the Role of Proton Shell Closure in Quasifission Reactions from X-Ray Fluorescence of Mass-Identified Fragments

NUCLEAR REACTIONS 238U(48Ti, X), E=276 MeV; measured reaction products, characteristic fluorescence x rays; deduced photon spectrum, fragment yields.

doi: 10.1103/PhysRevLett.119.222502
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2017PR07      Phys.Rev. C 96, 034608 (2017)

E.Prasad, D.J.Hinde, E.Williams, M.Dasgupta, I.P.Carter, K.J.Cook, D.Y.Jeung, D.H.Luong, C.S.Palshetkar, D.C.Rafferty, K.Ramachandran, C.Simenel, A.Wakhle

Fusion and quasifission studies for the 40Ca + 186W, 192Os reactions

NUCLEAR REACTIONS 186W(40Ca, X)226Pu*, E=199.3, 204.3, 214.3, 225.4 MeV; 192Os(40Ca, X)232Cm*, E=199.3, 204.3, 214.3, 225.3, 239.8, 262.6 MeV; measured mass-angle distributions (MADs) of the fragments, differential σ(θ, E), total fusion σ(E) using the CUBE spectrometer at the Heavy Ion Accelerator Facility of the Australian National University; deduced fragment mass ratio σ(MR), potential parameters from Coupled-channels calculations, Coulomb barriers as a function of orientation angles, parameters of the sticking-time distribution and average sticking time for quasifission components. Comparison with theoretical calculations using classical phenomenological approach by GEneral description of Fission observables (GEF) model. Relevance to quasifission and fusion-fission processes in the production of superheavy elements (SHE).

doi: 10.1103/PhysRevC.96.034608
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD0932.

2017SH06      Phys.Rev. C 95, 034610 (2017)

A.Shamlath, E.Prasad, N.Madhavan, P.V.Laveen, J.Gehlot, A.K.Nasirov, G.Giardina, G.Mandaglio, S.Nath, T.Banerjee, A.M.Vinodkumar, M.Shareef, A.Jhingan, T.Varughese, D.Kumar, P.Sandya Devi, Khushboo, P.Jisha, N.Kumar, M.M.Hosamani, S.Kailas

Fusion and quasifission studies in reactions forming Rn via evaporation residue measurements

NUCLEAR REACTIONS 180Hf(28Si, X)208Rn*, E=130.6, 135.0, 143.9, 149.4, 154.9, 164.2, 171.9, 193.7 MeV; 180Hf(30Si, X)210Rn*, E=130.6, 135.2, 139.6, 144.0, 149.5, 156.3, 160.7, 164.3, 171.8 MeV; measured evaporation residues (ERs) ERs, ΔE vs TOF plots, ER σ(Ε) using the Hybrid Recoil Mass Analyzer (HYRA) at the 15 UD Pelletron accelerator of IUAC-New Delhi. Comparison with theoretical cross sections, using dinuclear system and statistical models, and with the results of 194Pt(16O, X)210Rn* and 160Gd(50Ti, X)210Rn* compound nuclear reactions.

doi: 10.1103/PhysRevC.95.034610
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD6318.

2016BA55      Phys.Rev. C 94, 044607 (2016)

T.Banerjee, S.Nath, A.Jhingan, G.Kaur, R.Dubey, A.Yadav, P.V.Laveen, A.Shamlath, M.Shareef, J.Gehlot, N.Saneesh, E.Prasad, P.Sugathan, S.Pal

Fission fragment angular distributions in pre-actinide nuclei

NUCLEAR REACTIONS 169Tm(28Si, X)197Bi*, E=113.4,; 176Yb(28Si, X)204Po*, E=111.5,, 124.3; 175Lu(28Si, X)203At*, E=114.3, 118.8, 124.3; 180Hf(28Si, X)208Rn*, E=116.6, 121.3, 126.5; 181Ta(28Si, X)209Fr*, E=116.6, 121.4, 126.6; 182W(28Si, X)210Ra*, E=116.9, 121.6, 126.8; measured reaction products, fission product angular distributions, fission σ(E) using nine hybrid telescope detectors at IUAC-New Delhi accelerator facility. Comparison with theoretical cross sections from VECSTAT and PACE3 predictions.

doi: 10.1103/PhysRevC.94.044607
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD6277.

2016KA16      Phys.Rev. C 93, 044605 (2016)

S.Kalkal, E.C.Simpson, D.H.Luong, K.J.Cook, M.Dasgupta, D.J.Hinde, I.P.Carter, D.Y.Jeung, G.Mohanto, C.S.Palshetkar, E.Prasad, D.C.Rafferty, C.Simenel, K.Vo-Phuoc, E.Williams, L.R.Gasques, P.R.S.Gomes, R.Linares

Asymptotic and near-target direct breakup of 6Li and 7Li

NUCLEAR REACTIONS 58Ni(6Li, X), (7Li, X), E=13.07 MeV; 64Zn(6Li, X), E=13.55 MeV; 64Zn(7Li, X), E=13.60 MeV; measured energy, position, and time of flight (TOF) of the charged breakup fragments in coincidence mode using BALiN array, spectra of α-d and α-t breakup pairs at ANU Heavy Ion accelerator facility; deduced prompt and asymptotic breakups, probability of populating the excitation energies above the breakup threshold for 3+ resonant states of 6Li, excitation energy dependent mean-lives, β versus θ12 distributions, asymptotic, near-target, and total direct breakup differential σ(θ). Simulations using a modified version of Monte Carlo classical trajectory model code PLATYPUS.

doi: 10.1103/PhysRevC.93.044605
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2016PR03      Phys.Rev. C 93, 024607 (2016)

E.Prasad, A.Wakhle, D.J.Hinde, E.Williams, M.Dasgupta, M.Evers, D.H.Luong, G.Mohanto, C.Simenel, K.Vo-Phuoc

Exploring quasifission characteristics for 34S + 232Th forming 266Sg

NUCLEAR REACTIONS 232Th(32S, X)266Sg*, E=164.7, 167.2, 169.7, 172.7, 181.6, 191.2 MeV; measured reaction products, fission events, unsymmetrized distribution of fragments, average mass ratio of heavy asymmetric fragments to symmetric fragments as function of E/VB, angular momentum-distributions, fragment-fragment mass angle distribution (MAD) plots, mass drift as function of time. Monte Carlo simulations for mass angle distribution (MAD) plots.

doi: 10.1103/PhysRevC.93.024607
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2016SH01      Nucl.Phys. A945, 67 (2016)

A.Shamlath, M.Shareef, E.Prasad, P.Sugathan, R.G.Thomas, A.Jhingan, S.Appannababu, A.K.Nasirov, A.M.Vinodkumar, K.M.Varier, C.Yadav, B.R.S.Babu, S.Nath, G.Mohanto, Ish Mukul, D.Singh, S.Kailas

Fission fragment mass distribution studies in 30Si + 180Hf reaction

NUCLEAR REACTIONS 180Hf(30Si, F), E=128-148 MeV;194Pt(16O, F), E not given; measured fission fragments using two large area position-sensitive MWPCs; deduced fragment mass distribution; calculated fragment mass distribution, potential energy surface using CCFULL code, ratio quasifission σ to capture σ using DNS (Double Nuclear System) model.

doi: 10.1016/j.nuclphysa.2015.09.011
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2016SH41      Eur.Phys.J. A 52, 342 (2016)

M.Shareef, A.Chatterjee, E.Prasad

Entrance channel systematics of pre-scission neutron multiplicities

COMPILATION 179,189Re, 188Pt, 197Tl, 189Au, 192,198Pb, 201,203Bi, 210Po, 203At, 214Rn, 213Fr, 216Ra, 224,230Th, 229Np, 243Am, 243,248Cf, 251Es, 252Fm; compiled (pre)fission neutron multiplicity from heavy ion collisions at E*=42-81 MeV; deduced fission level density parameter, fission delay.

doi: 10.1140/epja/i2016-16342-4
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2015LA18      J.Phys.(London) G42, 095105 (2015)

P.V.Laveen, E.Prasad, N.Madhavan, S.Pal, J.Sadhukhan, S.Nath, J.Gehlot, A.Jhingan, K.M.Varier, R.G.Thomas

Fusion measurements for the 18O + 194Pt reaction and search for neutron shell closure effects

NUCLEAR REACTIONS 194Pt(18O, X)212Rn, E=77.7-105.3 MeV; measured reaction products, fission fragments; deduced evaporation residue σ, fission fragments σ(θ). Comparison with statistical model analysis of the evaporation residue data employing shell-corrected free energy fission barrier height.

doi: 10.1088/0954-3899/42/9/095105
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD6261.

2015MU14      Phys.Rev. C 92, 054606 (2015)

I.Mukul, S.Nath, K.S.Golda, A.Jhingan, J.Gehlot, E.Prasad, S.Kalkal, M.B.Naik, T.Banerjee, T.Varughese, P.Sugathan, N.Madhavan, S.Pal

Probing fusion-fission dynamics in 203Bi

NUCLEAR REACTIONS 184W(19F, X), E=84.8, 89.8, 94.8, 99.8, 104.8, 109.8, 114.8, 119.8, 124.8 MeV; measured reaction products, (fission fragment)n-coin, fission fragment mass distributions, mass-angle distributions (MAD plots), double differential σ(E, θ) for evaporated neutrons, pre-scission and post-scission neutron multiplicities at 15UD Pelletron facility of UAC-Delhi; deduced no significant mass-angle correlations, Gaussian shape of fragment mass distributions, dissipative nature of decay of compound nuclei (CN), No clear signatures of non-CN fission (NCNF) processes. Statistical model (SM) calculation.

doi: 10.1103/PhysRevC.92.054606
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2015PR07      Phys.Rev. C 91, 064605 (2015)

E.Prasad, D.J.Hinde, K.Ramachandran, E.Williams, M.Dasgupta, I.P.Carter, K.J.Cook, D.Y.Jeung, D.H.Luong, S.McNeil, C.S.Palshetkar, D.C.Rafferty, C.Simenel, A.Wakhle, J.Khuyagbaatar, Ch.E.Dullmann, B.Lommel, B.Kindler

Observation of mass-asymmetric fission of mercury nuclei in heavy ion fusion

NUCLEAR REACTIONS 142Nd(40Ca, X)182Hg*, E=167.7, 194.9, 199.9, 210.0, 221.1 MeV; 182W(13C, X)195Hg*, E=60.0, 63.0, 66.0 MeV; measured fission fragments mass rations and mass-angle distributions using the CUBE spectrometer at 14UD Pelletron facility of ANU-Canberra; deduced mass-asymmetric fission of 182Hg compound nucleus at E*=33.6 MeV, and mass-symmetric fission of 195Hg compound nucleus at all energies.Kinematic reconstruction method. Comparison with results from mass-asymmetric fission of 180Hg in beta-delayed fission process, and with theoretical predictions.

doi: 10.1103/PhysRevC.91.064605
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2015SA16      Phys.Rev. C 91, 044621 (2015)

R.Sandal, B.R.Behera, V.Singh, M.Kaur, A.Kumar, G.Kaur, P.Sharma, N.Madhavan, S.Nath, J.Gehlot, A.Jhingan, K.S.Golda, H.Singh, S.Mandal, S.Verma, E.Prasad, K.M.Varier, A.M.Vinodkumar, A.Saxena, J.Sadhukhan, S.Pal

Probing nuclear dissipation via evaporation residue excitation functions for the 16, 18O+198Pt reactions

NUCLEAR REACTIONS 198Pt(16O, 16O), (16O, X)214Rn*, E=78.0-105.6 MeV; 198Pt(18O, 18O), (18O, X)216Rn*, E=77.8-105.4; measured evaporation residues (ER), scattered 16,18O spectra, TOF spectrum, angular distributions of ERs, σ(E) for ERs and fusion using HYRA analyzer at IUAC-New Delhi 15 UD Pelletron facility. Comparison with statistical model calculations of compound nuclear decay with Kramers' fission width.

doi: 10.1103/PhysRevC.91.044621
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD6263.

2014KA10      Phys.Rev. C 89, 034621 (2014)

M.Kaur, B.R.Behera, G.Singh, V.Singh, R.Sandal, A.Kumar, H.Singh, G.Singh, K.P.Singh, N.Madhavan, S.Nath, A.Jhingan, J.Gehlot, K.S.Golda, P.Sugathan, D.Siwal, S.Kalkal, E.Prasad, S.Appannababu

Anomalous deviations from statistical evaporation spectra for the decay of the 73Br and 77Rb compound systems

NUCLEAR REACTIONS 45Sc(28Si, X)73Br*, E=125 MeV; 45Sc(32S, X)77Rb*, E=125 MeV; measured inclusive and exclusive light charged-particle and neutron spectra, time-of flight, energy loss versus time-of-flight, σ for α particles, protons, evaporation residue σ using HIRA spectrometer at IUAC accelerator facility. Comparison with statistical model calculations using CASCADE code. Discussed effects of multistep compound (MSC) process.

doi: 10.1103/PhysRevC.89.034621
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2014SA71      Phys.Rev. C 90, 064620 (2014)

S.Santra, A.Pal, P.K.Rath, B.K.Nayak, N.L.Singh, D.Chattopadhyay, B.R.Behera, V.Singh, A.Jhingan, P.Sugathan, K.S.Golda, S.Sodaye, S.Appannababu, E.Prasad, S.Kailas

Effect of projectile breakup on fission-fragment mass distributions in the 6, 7Li + 238U reactions

NUCLEAR REACTIONS 238U(6Li, F), E=30, 34, 39, 45, 50 MeV; 238U(7Li, F), E=31.4, 35.4, 40.4, 41.4, 45, 51.4 MeV; measured fission fragment spectra, time-of-flight, fission-fragment folding angle distributions at IUAC-New Delhi Pelletron facility; deduced yield of fission fragments as a function of fragment mass, fission-fragment mass distribution, peak to valley (P:V) ratio of fission fragment mass distribution, mass distributions for complete fusion (CF) and total fusion (TF) events. Comparison with previous experimental results.

doi: 10.1103/PhysRevC.90.064620
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD6245.

2013SA01      Phys.Rev. C 87, 014604 (2013); Erratum Phys.Rev. C 87, 069901 (2013)

R.Sandal, B.R.Behera, V.Singh, M.Kaur, A.Kumar, G.Singh, K.P.Singh, P.Sugathan, A.Jhingan, K.S.Golda, M.B.Chatterjee, R.K.Bhowmik, S.Kalkal, D.Siwal, S.Goyal, S.Mandal, E.Prasad, K.Mahata, A.Saxena, J.Sadhukhan, S.Pal

Effect of N/Z in pre-scission neutron multiplicity for 16, 18O + 194, 198Pt systems

NUCLEAR REACTIONS 194,198Pt(16O, X), (18O, X)210Rn*/212Rn*/214Rn*/216Rn*, E=50, 61, 71.7, 79 MeV; measured fission fragment and neutron spectra by TOF, σ(E, θ) using NAND neutron detector array at LINAC+Pelletron facility at IUAC; deduced pre-scission neutron multiplicity. Statistical model analysis. Shell closure effect at N=126 for 212Rn.

doi: 10.1103/PhysRevC.87.014604
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD6203.

2012MO21      Nucl.Phys. A890-891, 62 (2012)

G.Mohanto, N.Madhavan, S.Nath, J.Sadhukhan, J.Gehlot, I.Mazumdar, M.B.Naik, E.Prasad, I.Mukul, T.Varughese, A.Jhingan, R.K.Bhowmik, A.K.Sinha, D.A.Gothe, P.B.Chavan, S.Pal, V.S.Ramamurthy, A.Roy

Entrance channel effect on ER spin distribution

NUCLEAR REACTIONS 170Er(30Si, X), E=126.0, 130.1, 135.2, 140.3, 145.4, 150.5, 155.6, 160.7 MeV; measured evaporation residue E(ER), I(ER) using multiwire proportional counter, Eγ, Iγ(θ), γγ-coin, (ER)γ-coin; calculated compound nucleus spin distribution using CCFULL code, fusion σ, evaporation residue σ; deduced γ multiplicity, level density parameters, fission barrier, compound nucleus spin distribution, fusion σ, evaporation residue σ. Compared other reactions leading to the same composite system.

doi: 10.1016/j.nuclphysa.2012.07.004
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2012PR04      Nucl.Phys. A882, 62 (2012)

E.Prasad, K.M.Varier, R.G.Thomas, A.M.Vinodkumar, K.Mahata, S.Appannababu, P.Sugathan, K.S.Golda, B.R.S.Babu, A.Saxena, B.V.John, S.Kailas

Fission fragment angular distribution measurements for 16O + 194Pt reaction at energies near the Coulomb barrier

NUCLEAR REACTIONS 194Pt(16O, F), E=79-90 MeV; measured fission E(fragment), I(fragment, θ); calculated σ(θ), fission barrier, ER σ, neutron multiplicity using SSPM (saddle point statistical model) PACE code and RFRM (rotating FR model) moments of inertia; deduced fission fragments σ(θ), σ, fission probability, fission barrier, level density parameters.

doi: 10.1016/j.nuclphysa.2012.03.005
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD6182.

2012YA13      Phys.Rev. C 86, 034606 (2012)

C.Yadav, R.G.Thomas, R.K.Choudhury, P.Sugathan, A.Jhingan, S.Appannababu, K.S.Golda, D.Singh, Ish Mukul, J.Gehlot, E.Prasad, H.J.Wollersheim

Evidence of quasifission in asymmetric reactions forming the 250Cf compound system

NUCLEAR REACTIONS 238U(12C, X)250Cf(*), E=61-76 MeV; 232Th(18O, X)250Cf(*), E=80-96 MeV; measured fission fragment distributions, TOF, mass ratio versus parallel velocity plots, mass-angle correlations, fission fragment mass distribution. Evidence of quasifission in the 18O+232Th system.

doi: 10.1103/PhysRevC.86.034606
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2011AP01      Phys.Rev. C 83, 034605 (2011)

S.Appannababu, S.Mukherjee, B.K.Nayak, R.G.Thomas, P.Sugathan, A.Jhingan, E.Prasad, D.Negi, N.N.Deshmukh, P.K.Rath, N.L.Singh, R.K.Choudhury

Fission fragment mass distributions in reactions forming the 213Fr compound nucleus

NUCLEAR REACTIONS 186W(27Al, X), E=123-140 MeV; 197Au(16O, X), E=79-100 MeV; measured fission fragment spectra; deduced density plots for mass ratio vs center of mass angle, mass ratio distributions 213Fr; deduced mass variance. Comparison with theoretical calculations.

doi: 10.1103/PhysRevC.83.034605
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2011KA16      Phys.Rev. C 83, 054607 (2011)

S.Kalkal, S.Mandal, N.Madhavan, A.Jhingan, E.Prasad, R.Sandal, S.Nath, J.Gehlot, R.Garg, G.Mohanto, M.Saxena, S.Goyal, S.Verma, B.R.Behera, S.Kumar, U.D.Pramanik, A.K.Sinha, R.Singh

Multinucleon transfer reactions for the 28Si+90, 94Zr systems in the region below and near the Coulomb barrier

NUCLEAR REACTIONS 90,94Zr(28Si, X), E=83.3, 86.4, 89.5, 92.5, 95.5 MeV; measured fragment spectra, time of flight, correlation spectrum between time of flight and position of recoiling particles, mass spectrum for 90,91,92,93,94Zr and 95Nb, transfer probability for 1n, 2n, 3n, 4n and 1p channels, excitation energy distributions of projectile like particles of 27Al, 28,29,30,31,32Si. Evidence of odd-even staggering in the extracted transfer probabilities implies the role of pairing correlation in multinucleon transfer reactions. Comparison with GRAZING calculations.

doi: 10.1103/PhysRevC.83.054607
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2011KA46      J.Phys.:Conf.Ser. 312, 082027 (2011)

S.Kalkal, S.Mandal, N.Madhavan, A.Jhingan, E.Prasad, R.Sandal, J.Gehlot, S.Verma, R.Garg, S.Goyal, M.Saxena, S.Nath, B.Behera, S.Kumar, U.D.Pramanik, D.Siwal, G.Mohanto, H.J.Wollersheim, A.K.Sinha, R.Singh

Fusion and transfer reactions around the Coulomb barrier for 28Si+90, 94Zr systems

NUCLEAR REACTIONS 90,92,94Zr(28Si, X), E=82, 84, 86, 88, 90, 92, 94, 96, 98, 100, 103, 107, 110, 115, 120 MeV; measured reaction products; deduced fusion σ; calculated fusion σ using CCFULL.

doi: 10.1088/1742-6596/312/4/082027
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2011NA05      Nucl.Phys. A850, 22 (2011)

S.Nath, J.Gehlot, E.Prasad, J.Sadhukhan, P.D.Shidling, N.Madhavan, S.Muralithar, K.S.Golda, A.Jhingan, T.Varughese, P.V.Madhusudhana Rao, A.K.Sinha, S.Pal

Angular momentum distribution for the formation of evaporation residues in fusion of 19F with 184W near the Coulomb barrier

NUCLEAR REACTIONS 184W(19F, X), E=89.2, 94.2, 99.2, 104.3, 109.3 MeV; measured Eγ, Iγ, fragment spectra, (fragment)γ-coin using BGO array and Heavy Ion Reaction Analyzer; deduced multiplicities, σ; calculated σ using CCFULL statistical model code. Comparison with 175Lu(19F, X) data.

doi: 10.1016/j.nuclphysa.2010.12.004
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2011PR13      Phys.Rev. C 84, 064606 (2011)

E.Prasad, K.M.Varier, N.Madhavan, S.Nath, J.Gehlot, S.Kalkal, J.Sadhukhan, G.Mohanto, P.Sugathan, A.Jhingan, B.R.S.Babu, T.Varughese, K.S.Golda, B.P.A.Kumar, B.Satheesh, S.Pal, R.Singh, A.K.Sinha, S.Kailas

Evaporation residue excitation function measurement for the 16O + 194Pt reaction

NUCLEAR REACTIONS 194Pt(16O, X)210Rn*, E=75.4, 79.5, 83.7, 87.8, 91.9, 96.0, 101.1, 103.1 MeV; measured particle spectra of evaporation residues, time of flight, energy loss, σ(θ) of evaporation residues, evaporation residue cross sections. Hybrid Recoil Mass Analyzer (HYRA). Data analyzed with statistical model calculations using KramersĀ formula. PACE3 results. 197Au(16O, X)213Fr*, E(cm)=70-130 MeV; 197Au(18O, X)215Fr*, E(cm)=60-120 MeV; analyzed σ(E) data with statistical model calculations assuming Bohr-Wheeler and Kramers fission widths.

doi: 10.1103/PhysRevC.84.064606
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD6117.

2010KA08      Phys.Rev. C 81, 044610 (2010)

S.Kalkal, S.Mandal, N.Madhavan, E.Prasad, S.Verma, A.Jhingan, R.Sandal, S.Nath, J.Gehlot, B.R.Behera, M.Saxena, S.Goyal, D.Siwal, R.Garg, U.D.Pramanik, S.Kumar, T.Varughese, K.S.Golda, S.Muralithar, A.K.Sinha, R.Singh

Channel coupling effects on the fusion excitation functions for 28Si+90, 94Zr in sub- and near-barrier regions

NUCLEAR REACTIONS 90Zr(28Si, X), E(cm)=65.7, 67.3, 68.9, 70.4, 72.0, 73.6, 75.2, 76.7, 79.1, 82.2, 84.6, 88.5, 92.4 MeV; 94Zr(28Si, X), E(cm)=63.3, 65.0, 66.6, 68.2, 69.7, 71.3, 72.9, 74.5, 76.1, 77.7, 80.0, 83.2, 85.6, 89.6, 93.5 MeV; measured Eγ, Iγ, (evaporation residues)γ-coin, fusionσ(E). Comparison with coupled-channels calculations using CCFULL computer code.

doi: 10.1103/PhysRevC.81.044610
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD6183.

2010NA14      Phys.Rev. C 81, 064601 (2010)

S.Nath, P.V.Madhusudhana Rao, S.Pal, J.Gehlot, E.Prasad, G.Mohanto, S.Kalkal, J.Sadhukhan, P.D.Shidling, K.S.Golda, A.Jhingan, N.Madhavan, S.Muralithar, A.K.Sinha

Evaporation residue excitation function from complete fusion of 19F with 184W

NUCLEAR REACTIONS 184W(19F, X), E=90-130 MeV; measured Eγ, Iγ, (evaporation residues)γ-coin, evaporation residue cross sections using energy and time-of-flight method, excitation functions. Statistical model analysis. Discussed effect of presence of isomeric states in the evaporation residues of odd-A Bi isotopes and 199Bi.

doi: 10.1103/PhysRevC.81.064601
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD6139.

2010PR05      Phys.Rev. C 81, 054608 (2010)

E.Prasad, K.M.Varier, R.G.Thomas, P.Sugathan, A.Jhingan, N.Madhavan, B.R.S.Babu, R.Sandal, S.Kalkal, S.Appannababu, J.Gehlot, K.S.Golda, S.Nath, A.M.Vinodkumar, B.P.A.Kumar, B.V.John, G.Mohanto, M.M.Musthafa, R.Singh, A.K.Sinha, S.Kailas

Conclusive evidence of quasifission in reactions forming the 210Rn compound nucleus

NUCLEAR REACTIONS 186W(24Mg, X)210Rn, E=111-125 MeV; 194Pt(16O, X)210Rn, E=75-102 MeV; measured fission fragment mass ratio distributions and mass ratio widths. Comparison with coupled-channel calculations.

doi: 10.1103/PhysRevC.81.054608
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD6110.

2010PR08      Nucl.Phys. A834, 208c (2010)

E.Prasad, K.M.Varier, B.R.S.Babu, N.Madhavan, K.S.Golda, S.Nath, B.P.A.Kumar, J.J.Das, J.Gehlot, P.Sugathan, A.Jhingan, A.K.Sinha, B.R.Behera, R.Sandal, H.Singh, R.Singh, R.G.Thomas, S.Kailas

Study of fission fragment mass distribution for 16O + 194Pt reaction

NUCLEAR REACTIONS 194Pt(16O, F), E=75-102 MeV; measured fission fragment mass and angular distributions using TOF method. Comparison with calculations.

doi: 10.1016/j.nuclphysa.2009.12.042
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD6110.

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