NSR Query Results
Output year order : Descending NSR database version of May 1, 2024. Search: Author = J.Gehlot Found 60 matches. 2024HA02 Nucl.Phys. A1042, 122789 (2024) K.Hajara, M.M.Musthafa, N.Madhavan, S.Nath, J.Gehlot, Gonika, C.V.Midhun, Sh.Akbar, F.Sh.Shana, A.Parihari, R.Biswas, A.Kaur Entrance channel dependence of quasi fission in reactions leading to 206Po compound nucleus NUCLEAR REACTIONS 187Re(19F, X)206Pb, E=157.37, 152.30, 142.16, 132.01, 121.83 MeV; measured reaction products; deduced evaporation residue (ER) σ, normalized yields. Comparison with available data, theoretical calculations. The 15 UD Pelletron + SC - LINAC combined accelerator facility at IUAC, New Delhi.
doi: 10.1016/j.nuclphysa.2023.122789
2024KA01 Nucl.Phys. A1042, 122791 (2024) A.Kaur, A.Kumar, Ch.Sharma, N.Dhanda, Raghav, N.Madhavan, S.Nath, J.Gehlot, Gonika, Ch.Kumar, P.Sherpa, A.Parihari, J.Pandey, A.K.Gupta, H.P.Sharma, B.R.Behera Evaporation residue cross-section measurements for 30Si+142Ce system NUCLEAR REACTIONS 142Ce(30Si, X), (28Si, X), E=105-132 MeV; measured reaction products; deduced evaporation residue (ER) σ. Comparison with coupled-channels calculations using the CCFULL code. The HYbrid Recoil mass Analyzer (HYRA) at IUAC, New Delhi.
doi: 10.1016/j.nuclphysa.2023.122791
2023BI02 Eur.Phys.J. A 59, 60 (2023) R.Biswas, S.Nath, J.Gehlot, Gonika, C.Kumar, A.Parihari, N.Madhavan, A.Vinayak, A.Mahato, S.Noor, P.Sherpa, K.Sekizawa Determination of 1p- and 2p-stripping excitation functions for 16O+142Ce using a recoil mass spectrometer NUCLEAR REACTIONS 142Ce(16O, 15N), (16O, 14C), E=57-69 MeV; measured reaction products, TOF; deduced σ(θ). Comparison with finite-range CRC model calculations performed using the code fresco. 15UD Pelletron accelerator at IUAC, New Delhi.
doi: 10.1140/epja/s10050-023-00975-z
2023PR09 Phys.Rev. C 107, 064616 (2023) R.Prajapat, M.Maiti, R.Kumar, M.Sagwal, Gonika, C.Kumar, R.Biswas, J.Gehlot, S.Nath, N.Madhavan Investigation of the role of neutron transfer and fusion hindrance in 28Si + 158Gd at deep sub-barrier energies NUCLEAR REACTIONS 158Gd(28Si, X), E=107-140 MeV; measured reaction products, evaporation residues; deduced fusion σ(E), fusion excitation functions, fusion barrier distribution (BD), astrophysical S-factor, logarithmic derivatives, fusion hindrance threshold energy. Comparison of fusion excitation functions and BD of 28Si+158Gd with 30Si+156Gd reaction. Systematics of fusion hindrance threshold energy as a function of entrance channel parameter for systems 28Si+158Gd, 64Ni+100Mo, 60No+89Y, 64Ni+64Ni, 28Si+30Si, 28Si+64Ni, 11B+197Au, 12C+198Pt, 16O+208Pb. Obtained cross-sections analyzed in the framework of CCFULL and ECC. Compared with theoretical model calculations. Recoil mass spectrometer HIRA at 15 UD Pelletron accelerator facility (IUAC, New Delhi).
doi: 10.1103/PhysRevC.107.064616
2022DE10 Phys.Rev. C 105, 054608 (2022) N.K.Deb, K.Kalita, H.Al Rashid, A.Das, S.Nath, J.Gehlot, N.Madhavan, R.Biswas, R.N.Sahoo, P.K.Giri, A.Parihari, N.K.Rai, S.Biswas, A.Mahato, B.J.Roy Investigation of isotopic dependence on the O + Ni fusion cross section near barrier energies NUCLEAR REACTIONS 61Ni(16O, X), E=34.6-49.7 MeV; 61Ni(18O, X), E=33.6-52.6 MeV; 62Ni(18O, X), E=33.9-52.9 MeV; measured reaction products, evaporation residues; deduced fusion σ(Ε), fusion barrier distribution, fusion excitation function. Comparison to other experimental data and one-dimensional barrier penetration model (1DBPM) calculations. Recoil mass spectrometer - the heavy ion reaction analyzer (HIRA) at 15UD Pelletron accelerator facility at theInter-University Accelerator Center (IUAC), New Delhi.
doi: 10.1103/PhysRevC.105.054608
2022HA11 Phys.Rev. C 105, 044619 (2022) K.Hajara, M.M.Musthafa, C.V.Midhun, S.Akbar, P.T.M.Shan, N.Madhavan, S.Nath, J.Gehlot, Gonika, R.Biswas, F.S.Shana, A.Kaur, P.N.Patil Evaporation residue cross section measurements for the 30Si + 176Yb reaction NUCLEAR REACTIONS 176Yb(30Si, X)206Po*, E=125-203 MeV; measured reaction products, angular distributions; deduced evaporation residue σ(E).Comparison to statistical model calculations and to experimental results obtained in 194Pt(12C, X)206Po reaction. 15 UD Pelletron+SC–LINAC accelerator facility at IUAC, New Delhi.
doi: 10.1103/PhysRevC.105.044619
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
2022KA07 Nucl.Phys. A1019, 122384 (2022) D.P.Kaur, B.R.Behera, N.Madhavan, S.Nath, J.Gehlot, A.Kaur, Raghav, Gonika, R.Biswas, Subodh, Amit, A.Parihari, K.Rani, H.Arora, Shruti, S.Pal Measurements of evaporation residue cross-sections for 48Ti + 140, 142Ce reactions NUCLEAR REACTIONS 140,142Ce(48Ti, X), E=208-273 MeV; measured reaction products; deduced transmission efficiency, evaporation residue σ. Comparison with statistical model calculations.
doi: 10.1016/j.nuclphysa.2022.122384
2022MU19 Eur.Phys.J. A 58, 250 (2022) S.Muralithar, N.Madhavan, P.Sugathan, R.P.Singh, A.Jhingan, R.Kumar, S.Nath, K.S.Golda, J.Gehlot Nuclear reaction and structure studies using experimental facilities at Inter-University Accelerator Centre (IUAC)
doi: 10.1140/epja/s10050-022-00855-y
2022NO08 Eur.Phys.J. A 58, 129 (2022) S.Noor, S.Kalkal, B.K.Guron, N.Madhavan, S.Nath, J.Gehlot, Gonika, R.Biswas, C.Kumar, A.Rani, A.Parihari Channel coupling effects in interactions of 19F with 64, 68Zn at energies around the Coulomb barrier NUCLEAR REACTIONS 64,68Zn(18F, X), E=40-60 MeV; measured reaction products; deduced fusion σ, Wood-Saxon potential parameters. Comparison with 1d-BPM, CCFULL and GRAZING calculations, CCDEF calculations. Heavy Ion Reacti on Analyzer (HIRA) at Inter-University Accelerator Center (IUAC), New Delhi.
doi: 10.1140/epja/s10050-022-00783-x
2022PR05 Phys.Rev. C 105, 064612 (2022) R.Prajapat, M.Maiti, R.Kumar, M.Sagwal, Gonika, C.Kumar, R.Biswas, J.Gehlot, S.Nath, N.Madhavan Fusion and back-angle quasielastic measurements in 30Si + 156Gd near the Coulomb barrier NUCLEAR REACTIONS 156Gd(30Si, X), (30Si, 30Si'), E=108-136 MeV; measured reaction products, evaporation residues; deduced fusion σ(Ε), quasielastic scattering σ(θ) fusion barrier distribution, fusion excitation function, quasielastic scattering excitation function, Analysis within the framework of coupled channel predictions using CCFULL and ECC model codes. Comparison to other experimental data and one-dimensional barrier penetration model (1DBPM) calculations. 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.105.064612
2022RA29 Phys.Rev. C 106, 064606 (2022) A.Rani, S.Mandal, K.Chakraborty, R.Gupta, C.V.Ahmad, A.Parihari, D.Vishwakarma, P.Khandelwal, P.S.Rawat, P.Sherpa, S.Kumar, N.Madhavan, S.Nath, J.Gehlot, R.Biswas, Gonika, C.Kumar, S.Noor, A.Vinayak Examining the correlation between multi-neutron transfer and inelastic excitations in sub-barrier fusion enhancement NUCLEAR REACTIONS 116,120,124Sn(28Si, X), E=88-121 MeV; measured reaction products, evaporation residues; deduced fusion σ(E). Comparison to uncoupled (1-D BPM), coupled-channels calculations (CCFULL code), FRESCO and semiclassical calculations (ECC). Suggested incorporation of multi-neutron transfer channel coupling along with the inelastic excitation simultaneously in the coupled-channels formalism in order to reproduce the fusion excitation function. Systematics of the fusion reactions for 28Si projectile on various targets together with Sn targets and various projectiles. Recoil Mass Separator (RMS), Heavy Ion Reaction Analyzer (HIRA) at the Inter-University Accelerator Centre (IUAC), New Delhi.
doi: 10.1103/PhysRevC.106.064606
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
2021KU18 Phys.Rev. C 104, 014602 (2021) D.Kumar, M.Maiti, R.Prajapat, A.Chauhan, R.Biswas, J.Gehlot, S.Nath, R.Kumar, N.Madhavan, G.N.Jyothi, R.N.Sahoo, M.M.Shaikh, V.Srivastava Analysis of mass-separated evaporation residues formed in 32S + 70, 68Zn fusion reactions: The special case of 97, 95Ru NUCLEAR REACTIONS 68Zn(32S, X), E=130-150 MeV; 70Zn(32S, X), E=115-135 MeV; measured produced evaporation residues (ERs) transported to the focal plane of HIRA detector array and a multiwire proportional counter (MWPC), Eγ, Iγ from the radioactive ERs at the 15 UD Pelletron facility of the Inter-University Accelerator Centre (IUAC), New Delhi; 95mTc, 97,97m,98Rh, 97m,98Ru; measured γ-ray spectra from the decays of the produced ERs; deduced two-dimensional ΔE vs X-position matrices of different mass product, yields of evaporation residues and compared with theoretical yields using semimicroscopic Monte Carlo code TERS. 95,97Ru; deduced maximum production yields.
doi: 10.1103/PhysRevC.104.014602
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
2020CH47 Phys.Rev. C 102, 064606 (2020) A.Chauhan, R.Prajapat, G.Sarkar, M.Maiti, R.Kumar, Malvika, Gonika, J.Gehlot, S.Nath, A.Parihari, N.Madhavan Evaporation residue cross section in the 37Cl + 68Zn fusion reaction near the Coulomb barrier NUCLEAR REACTIONS 68Zn(37Cl, X), (37Cl, 4n)101Ag, (37Cl, 5n)100Ag, (37Cl, 3np)101Pd, (37Cl, 4np)100Pd, (37Cl, 5np)99Pd, (37Cl, nα)100Rh, (37Cl, 2nα)99Rh, (37Cl, 3nα)98Rh, (37Cl, 4nα)97Rh, (37Cl, 2npα)98Ru, (37Cl, 3npα)97Ru, E=94.8-138.9 MeV; measured recoiling evaporation residues (ERs), time-of-flight using the recoil mass spectrometer HIRA at the 15UD Pelletron accelerator facility of IUAC-New Delhi; deduced two-dimensional mass spectrum, fusion σ(E), total ER σ(E) for the production of individual residual nuclei, fragmentation potentials. Comparison with theoretical calculations using CCFULL code for coupled channel model, PACE4 code for statistical model, DCM code for non-statistical model.
doi: 10.1103/PhysRevC.102.064606
2020DE32 Phys.Rev. C 102, 034603 (2020) N.K.Deb, K.Kalita, H.Al Rashid, S.Nath, J.Gehlot, N.Madhavan, R.Biswas, R.N.Sahoo, P.K.Giri, A.Das, T.Rajbongshi, A.Parihari, N.K.Rai, S.Biswas, Khushboo, A.Mahato, B.J.Roy, A.Vinayak, A.Rani Role of neutron transfer in the sub-barrier fusion cross section in 18O + 116Sn NUCLEAR REACTIONS 116Sn(18O, X), E(cm)=44.6-74.3 MeV; measured evaporation residues, time of flight of evaporation residue, fusion σ(E) using the Heavy-Ion Reaction Analyzer (HIRA) array at the 15 UD Pelletron of IUAC-New Delhi; deduced fusion barrier distributions; examined the effects of positive Q-value neutron transfer (PQNT) channels on sub-barrier fusion. Comparisons with coupled-channels calculations using the CCFULL code, including 2+ and 3- excited states of 116Sn, and 2+ excited state of 18O; analyzed systematics of reduced fusion excitation functions of 112,116Sn, 112Cd(16O, X) and 116Sn, 148Nd, 92Mo, 74Ge(18O, X) reactions at sub-barrier energies.
doi: 10.1103/PhysRevC.102.034603
2020HO02 Phys.Rev. C 101, 014616 (2020) M.M.Hosamani, N.M.Badiger, N.Madhavan, I.Mazumdar, S.Nath, J.Gehlot, A.K.Sinha, S.M.Patel, P.B.Chavan, T.Varughese, Vi.Srivastava, M.M.Shaikh, P.S.Devi, P.V.Laveen, A.Shamlath, M.Shareef, S.K.Duggi, P.V.Madhusudhana Rao, G.N.Jyothi, A.Tejaswi, P.N.Patil, A.Vinayak, K.K.Rajesh, A.Yadav, A.Parihari, R.Biswas, M.Dhibar, D.P.Kaur, M.Ratna Raju, J.Joseph Evaporation-residue-gated spin distribution measurements of the highly fissile compound nucleus 224Th* through 16O + 208Pb and 18O + 206Pb reactions NUCLEAR REACTIONS 208Pb(16O, X)224Th*, E=87, 93.2, 99.3, 105.5, 113.5, 122.6 MeV pulsed beam; 206Pb(18O, X)224Th*, E=85.7, 91.9, 100, 104.1, 108.2, 112.2, 117.4, 121.4 MeV pulsed beam; measured evaporation residues (ER), σ(E) and spin distributions of ERs from deexciting 224Th compound nucleus using the HYbrid Recoil mass Analyzer (HYRA) coupled with the TIFR 4π spin spectrometer of of 32 NaI(Tl) scintillation detectors at the IUAC-New Delhi accelerator facility; deduced experimental and simulated fold distributions, reduced ER σ(E), experimental absolute ER σ(E), including results of previous experiments.
doi: 10.1103/PhysRevC.101.014616
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
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
2020SA32 Phys.Rev. C 102, 024615 (2020) R.N.Sahoo, M.Kaushik, A.Sood, A.Sharma, S.Thakur, Pa.Kumar, M.M.Shaikh, R.Biswas, A.Yadav, M.K.Sharma, J.Gehlot, S.Nath, N.Madhavan, R.G.Pillay, E.M.Kozulin, G.N.Knyazheva, K.V.Novikov, P.P.Singh Role of neutron transfer in sub-barrier fusion NUCLEAR REACTIONS 130Te(35Cl, X), E(cm)=94.0, 95.6, 97.2, 98.8, 100.3, 101.9, 103.5, 105.0 MeV; measured evaporation residues (ERs), ΔE-time spectra, fusion σ(E) using recoil mass separator HIRA at IUAC-New Delhi accelerator facility. Comparison with experimental fusion σ(E) data for 130Te(37Cl, X), and other systems. Coupled-channels analysis using CCFULL code.
doi: 10.1103/PhysRevC.102.024615
2019GE02 Phys.Rev. C 99, 034615 (2019) J.Gehlot, A.M.Vinodkumar, N.Madhavan, S.Nath, A.Jhingan, T.Varughese, T.Banerjee, A.Shamlath, P.V.Laveen, M.Shareef, P.Jisha, P.Sandya Devi, G.N.Jyothi, M.M.Hosamani, I.Mazumdar, V.I.Chepigin, M.L.Chelnokov, A.V.Yeremin, A.K.Sinha, B.R.S.Babu Evaporation residue cross-section measurements for 16O+203, 205Tl NUCLEAR REACTIONS 203,205Tl(16O, X), E=82-113 MeV; measured reaction products, time of flight, σ(E) of evaporation residues (ERs), and individual exit channel σ(E) using gas-filled HYbrid Recoil Analyzer (HYRA) for separation of ERs, two silicon detectors and a multiwire proportional counter (MWPC) to detect the ERs at the 15 UD Pelletron accelerator facility of IUAC, New Delhi; simulated ER angular distributions using the code PACE4. 209Bi(12C, X), E(cm)=50-115 MeV; 208Pb(12C, X), (16O, X), (19F, X); 203,205Tl(16O, X), E=82-113 MeV; 204Pb(16O, X); 209Bi(12C, X); comparison of the present and previously measured reduced σ(E) with statistical model calculations using HIVAP code.
doi: 10.1103/PhysRevC.99.034615
2019GE03 Phys.Rev. C 99, 061601 (2019) J.Gehlot, S.Nath, T.Banerjee, Is.Mukul, R.Dubey, A.Shamlath, P.V.Laveen, M.Shareef, Md.M.Shaikh, A.Jhingan, N.Madhavan, T.Rajbongshi, P.Jisha, S.Pal Search for stabilizing effects of the Z=82 shell closure against fission NUCLEAR REACTIONS 180Hf(19F, X)199Tl*,181Ta(19F, X)200Pb*,182W(19F, X)201Bi*, E=4.2-6.3 MeV/nucleon; measured charged-particle spectra, time-of-flight (TOF), ΔE versus TOF plots, evaporation residue (ER) σ(E) using the Heavy Ion Reaction Analyzer (HIRA) at IUAC-New Delhi accelerator facility; calculated capture σ(E) and ER σ(E) using coupled-channels formalism and statistical model, respectively. Comparison between measurements and calculations; deduced no enhanced stabilizing effects of the Z=82 shell closure against fission in the compound nucleus.
doi: 10.1103/PhysRevC.99.061601
2019KH10 Phys.Rev. C 100, 064612 (2019) Khushboo, N.Madhavan, S.Nath, A.Jhingan, J.Gehlot, B.Behera, S.Verma, S.Kalkal, S.Mandal Searching the reason for sub-barrier fusion enhancement through multineutron transfer channels NUCLEAR REACTIONS 70Zn(40Ca, X), E=106-142 MeV; measured evaporation residues, yields, fusion σ(E) using the Heavy-Ion Reaction Analyzer (HIRA) array at the Pelletron accelerator of IUAC-New Delhi; investigated effects of positive Q-value multi-neutron transfer channels on sub-barrier fusion. Comparison with coupled-channels calculations using CCFULL and ECC codes, including 3- excited state in 40Ca. 40,48Ca, 58,64Ni, 90,94,96Zr(40Ca, X), E(cm)=-3 to +3 MeV; analyzed experimental σ(fusion) data in literature.
doi: 10.1103/PhysRevC.100.064612
2019RA30 Phys.Rev. C 100, 044611 (2019) K.K.Rajesh, M.M.Musthafa, N.Madhavan, S.Nath, J.Gehlot, J.Sadhukhan, P.Mohamed Aslam, P.T.Muhammed shan, E.Prasad, M.M.Hosamani, T.Varughese, A.Yadav, V.R.Sharma, V.Srivastava, Md.M.Shaikh, M.Shareef, A.Shamlath, P.V.Laveen Measurement of fusion evaporation residue cross sections in the 48Ti 138Ba reaction NUCLEAR REACTIONS 138Ba(48Ti, X)186Pt*, E=189.3, 195.5, 201.7, 208.9, 215.7, 224.0, 234.4 MeV; measured evaporation residues (ERs), angular distributions and total σ(E) for ERs using hybrid recoil mass analyzer (HYRA) at the Pelletron+LINAC facility of IUAC-New Delhi; deduced evidence of entrance channel effect with increasing values of charge product, and no profound effect of target shell closure. Comparison of data from this experiment and for previous 154Sm(32S, X) reaction to dynamical model calculations with one-dimensional Langevin equations using CCFULL code.
doi: 10.1103/PhysRevC.100.044611
2019SA17 Phys.Rev. C 99, 024607 (2019) R.N.Sahoo, M.Kaushik, A.Sood, P.Kumar, A.Sharma, S.Thakur, P.P.Singh, P.K.Raina, M.M.Shaikh, R.Biswas, A.Yadav, J.Gehlot, S.Nath, N.Madhavan, V.Srivastava, M.K.Sharma, B.P.Singh, R.Prasad, A.Rani, A.Banerjee, U.Gupta, N.K.Deb, B.J.Roy Sub-barrier fusion in the 37Cl + 130Te system NUCLEAR REACTIONS 130Te(37Cl, X), E=121-155 MeV; measured reaction products, evaporation residues, time of flight of evaporation residue, fusion σ(E) using the HIRA recoil mass spectrometer at the 15UD Pelletron accelerator of IUAC-New Delhi; deduced fusion barrier distributions, astrophysical S factor, logarithmic derivative L(E) factor. Comparison with coupled-channels code calculations using CCFULL code. Systematics of reduced fusion excitation functions of 37Cl projectiles on 58,60,62,64Ni, 130Te targets at sub-barrier energies.
doi: 10.1103/PhysRevC.99.024607
2018SH28 J.Phys.(London) G45, 095103 (2018) M.M.Shaikh, S.Nath, J.Gehlot, T.Banerjee, I.Mukul, R.Dubey, A.Shamlath, P.V.Laveen, M.Shareef, A.Jhingan, N.Madhavan, T.Rajbongshi, P.Jisha, G.N.Jyothi, A.Tejaswi, R.N.Sahoo, A.Rani Investigation of fusion hindrance in a soft asymmetric system deep below the barrier NUCLEAR REACTIONS 181Ta(19F, X), E=73.7, 85.7 MeV; measured reaction products, TOF; deduced σ. Comparison with theoretical calculations.
doi: 10.1088/1361-6471/aad5c7
2017BA19 Phys.Rev. C 96, 014618 (2017) T.Banerjee, S.Nath, A.Jhingan, N.Saneesh, M.Kumar, A.Yadav, G.Kaur, R.Dubey, M.Shareef, P.V.Laveen, A.Shamlath, M.M.Shaikh, S.Biswas, J.Gehlot, K.S.Golda, P.Sugathan, S.Pal Effect of collective enhancement in level density in the fission of pre-actinides NUCLEAR REACTIONS 182W, 187Re, 193Ir(19F, F)201Bi*/206Po*/212Rn*, E=82-120 MeV from 15UD Pelletron accelerator of IUAC, New Delhi]; measured fission fragments using nine hybrid (E-ΔE) telescope, capture and fission σ(E), angular distributions of fission fragments; deduced presence of dynamical effects in the exit channel based on comparison of experimental data with predictions of a statistical model which includes the effects of shell, orientation degree of freedom, and collective enhancement in level density (CELD). 192Os, 194Pt, 197Au(19F, F)211At*/213Fr*/216Ra*, E(cm)=70-150 MeV; analyzed previous experimental data to extract capture and fission σ(E).
doi: 10.1103/PhysRevC.96.014618
2017KH12 Phys.Rev. C 96, 014614 (2017) Khushboo, S.Mandal, S.Nath, N.Madhavan, J.Gehlot, A.Jhingan, N.Kumar, T.Banerjee, G.Kaur, K.R.Devi, A.Banerjee, Neelam, T.Varughese, D.Siwal, R.Garg, I.Mukul, M.Saxena, S.Verma, S.Kumar, B.R.Behera, P.Verma Relationship between and effect of inelastic excitations and transfer channels on sub-barrier fusion enhancement NUCLEAR REACTIONS 96Zr(28Si, X), E(cm)=63.0-92.5 MeV; 92Zr(28Si, X), E(cm)=67.8, 70.9, 76.3, 84.0 MeV; measured time-of-flight (TOF) vs energy loss (ΔE) two-dimensional spectra of evaporation residues (ER), fusion σ(E) using Heavy Ion Reaction Analyzer (HIRA) using the Pelletron accelerator of IUAC-New Delhi; comparison with coupled-channels calculations using CCFULL code; investigated effects of nuclear structure of interacting nuclei and neutron transfer channels on sub-barrier fusion.
doi: 10.1103/PhysRevC.96.014614
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
2017SH33 Phys.Rev. C 96, 034613 (2017) P.Sharma, B.R.Behera, R.Mahajan, M.Thakur, G.Kaur, K.Kapoor, K.Rani, N.Madhavan, S.Nath, J.Gehlot, R.Dubey, I.Mazumdar, S.M.Patel, M.Dhibar, M.M.Hosamani, Khushboo, N.Kumar, A.Shamlath, G.Mohanto, S.Pal Evaporation residue cross-section measurements for 48Ti-induced reactions NUCLEAR REACTIONS 142Nd(48Ti, X), E(cm)=140.43-202.01 MeV; 150Nd, (48Ti, X), E(cm)=142.18-204.61 MeV; 144Sm(48Ti, X), E(cm)=140.83-202.63 MeV; measured yield of evaporation residues (ERs) from two-dimensional time-of-flight and energy loss spectra, and σ(ER) using gas-filled mode of hybrid recoil mass analyzer (HYRA) at 15UD Pelletron+LINAC accelerator facility of IUAC-New Delhi. Comparison with statistical model calculations, using coupled-channel code CCFULL to obtain spin distribution of the compound nucleus.
doi: 10.1103/PhysRevC.96.034613
2017SU07 Phys.Rev. C 95, 024604 (2017) K.Sudarshan, R.Tripathi, S.Sodaye, S.K.Sharma, P.K.Pujari, J.Gehlot, N.Madhavan, S.Nath, G.Mohanto, I.Mukul, A.Jhingan, I.Mazumdar Spin distributions and cross sections of evaporation residues in the 28Si + 176Yb reaction NUCLEAR REACTIONS 176Yb(28Si, X), E=143-178 MeV in steps of 7 MeV; measured evaporation-residue σ(E), Eγ, Iγ, (residue)γ-coin, γ-ray multiplicities using the hybrid recoil mass analyzer (HYRA) coupled to TIFR 4π-spin spectrometer at the Pelletron-LINAC accelerator of IUAC-New Delhi, and off-line σ(E) of evaporation residues using the recoil catcher technique γ-detection at Pelletron-LINAC of BARC-TIFR-Mumbai. 198,199,200Po, 199,200mBi; measured formation σ(E). Comparison of average γ-ray multiplicities with predictions of the statistical model calculations using PACE2 and CCFUS codes.
doi: 10.1103/PhysRevC.95.024604
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, 117.9.123.4; 176Yb(28Si, X)204Po*, E=111.5, 116.2.118.4, 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
2016RA19 Phys.Rev. C 93, 054622 (2016) T.Rajbongshi, K.Kalita, S.Nath, J.Gehlot, T.Banerjee, I.Mukul, R.Dubey, N.Madhavan, C.J.Lin, A.Shamlath, P.V.Laveen, M.Shareef, N.Kumar, P.Jisha, P.Sharma Deformation effects on sub-barrier fusion cross sections in 16O + 174, 176Yb NUCLEAR REACTIONS 174,176Yb(16O, X), E=64.6-103.6 MeV; measured evaporation residues (ER), scatter plots between ΔE and TOF of the events, fusion σ(E) using HIRA recoil mass spectrometer at IUAC-New Delhi; deduced barrier distribution, hexadecapole deformation parameter (β4). Comparison with coupled-Channel calculations using CCFULL code.
doi: 10.1103/PhysRevC.93.054622
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
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
2015RO20 Eur.Phys.J. A 51, 153 (2015) T.Roy, G.Mukherjee, N.Madhavan, T.K.Rana, S.Bhattacharya, Md.A.Asgar, I.Bala, K.Basu, S.S.Bhattacharjee, C.Bhattacharya, S.Bhattacharya, S.Bhattacharyya, J.Gehlot, S.S.Ghugre, R.K.Gurjar, A.Jhingan, R.Kumar, S.Muralithar, S.Nath, H.Pai, R.Palit, R.Raut, R.P.Singh, A.K.Sinha, T.Varughese A new high-spin isomer in 195Bi NUCLEAR REACTIONS 169Tm(30Si, 6n), E=168 MeV;169Tm(30Si, 4n), E=146 MeV; measured evaporation residues using HYRA (HYbrid Recoil mass Analyzer), Eγ, Iγ, γγ-coin; deduced γ energy spectrum, TAC spectrum, time spectrum gated by specific transition, γ ray multipolarity, J, π of initial and final states. 195Bi deduced levels, J, π, new high spin isomeric state, isomer T1/2. 194Pb, 195Bi calculated total Routhian Surface for different configurations, deformation. Isomer compared with other isomers in the region.
doi: 10.1140/epja/i2015-15153-5
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
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
2014MU11 J.Phys.(London) G41, 115103 (2014) I.Mukul, A.Roy, P.Sugathan, J.Gehlot, G.Mohanto, S.Nath, N.Madhavan, R.Dubey, T.Banerjee, N.Saneesh, I.Mazumdar, D.A.Gothe, A.K.R.Kumar, P.Arumugam, M.Kaur Decoupling the effect of temperature on GDR widths in excited compound nucleus 144Sm NUCLEAR REACTIONS 116Cd(28Si, X)144Sm, E=170, 196.5 MeV; measured reaction products, Eγ, Iγ; deduced fusion σ, giant dipole resonance parameters. Thermal shape fluctuation model calculations.
doi: 10.1088/0954-3899/41/11/115103
2014SI03 Phys.Rev. C 89, 024609 (2014) V.Singh, B.R.Behera, M.Kaur, A.Kumar, K.P.Singh, N.Madhavan, S.Nath, J.Gehlot, G.Mohanto, A.Jhingan, Ish Mukul, T.Varughese, J.Sadhukhan, S.Pal, S.Goyal, A.Saxena, S.Santra, S.Kailas Measurement of evaporation residue excitation functions for the 19F + 194, 196, 198Pt reactions NUCLEAR REACTIONS 194Pt, 196Pt, 198Pt(19F, X)213Fr*/215Fr*/217Fr*, E=96.2-137.3 MeV; measured spectra and angular distribution of evaporation residues (ER), σ(ER, E) using HYRA analyzer at IUAC-Pelletron-Linac facility; deduced survival probability, scaling of the FRLDM fission barrier. Comparison with statistical model calculations.
doi: 10.1103/PhysRevC.89.024609
2013GO09 Nucl.Phys. A913, 157 (2013) K.S.Golda, A.Saxena, V.K.Mittal, K.Mahata, P.Sugathan, A.Jhingan, V.Singh, R.Sandal, S.Goyal, J.Gehlot, A.Dhal, B.R.Behera, R.K.Bhowmik, S.Kailas Determination of shell correction energies at saddle point using pre-scission neutron multiplicities NUCLEAR REACTIONS 194,198Pt(12C, n), E*=49.3, 54.3, 59.4, 62.2 MeV; measured fission fragments, En, In(θ) using ToF; deduced neutron multiplicity vs En and θ, pre-scission neutron multiplicity vs E*, fusion-fission σ; calculated fission barrier, shell effects, statistical model parameters, pre-scission neutron multiplicity vs E*, fusion-fission σ, fission σ vs E*, evaporation residue σ vs E*. Compared with published 208Pb+α system.
doi: 10.1016/j.nuclphysa.2013.06.016
2013IS10 Phys.Rev. C 88, 024312 (2013) Ish Mukul, A.Roy, P.Sugathan, J.Gehlot, G.Mohanto, N.Madhavan, S.Nath, R.Dubey, I.Mazumdar, D.A.Gothe, M.Kaur, A.K.R.Kumar, P.Arumugam Effect of angular momentum on giant dipole resonance observables in the 28Si+116Cd reaction NUCLEAR REACTIONS 116Cd(28Si, X)144Sm*, E=125, 140 MeV; measured Eγ, Iγ, γγ-coin, time-of-flight, fold distribution using 4π spin spectrometer at Pelletron facility of IUAC; deduced γ-ray multiplicity, angular momentum distribution, average angular momentum, GDR energies, centroids, widths, deformation parameter, and strength distribution. Statistical model analysis using CASCADE computer code. Comparison with thermal shape fluctuation model (TSFM)calculations. 144Sm; calculated potential energy surface contours at different angular momenta and temperatures in (β, γ) plane.
doi: 10.1103/PhysRevC.88.024312
2013MO26 Phys.Rev. C 88, 034606 (2013) G.Mohanto, N.Madhavan, S.Nath, J.Gehlot, I. Mukul, A.Jhingan, T.Varughese, A.Roy, R.K.Bhowmik, I.Mazumdar, D.A.Gothe, P.B.Chavan, J.Sadhukhan, S.Pal, M.Kaur, V.Singh, A.K.Sinha, V.S.Ramamurthy Evaporation residue excitation function and spin distribution for 31P+170Er NUCLEAR REACTIONS 170Er(31P, xn), E=134.4, 136.5, 141.6, 146.7, 151.9, 157.0, 162.1, 167.3, 172.0, 177.2 MeV; measured reaction products, Eγ, Iγ, TOF, evaporation residue (ER) σ(E) and spin distribution, ER-gated γ-multiplicity distributions using HYbrid Recoil mass Analyzer (HYRA) and a 4π spin spectrometer for γ rays at IUAC facility in Delhi. Comparison with statistical model calculations using CCFULL computer code. Discussed effect of compound nucleus shell closure.
doi: 10.1103/PhysRevC.88.034606
2012DH01 Eur.Phys.J. A 48, 28 (2012) A.Dhal, R.K.Sinha, D.Negi, T.Trivedi, M.K.Raju, D.Choudhury, G.Mohanto, S.Kumar, J.Gehlot, R.Kumar, S.Nath, S.S.Ghugre, R.P.Singh, J.J.Das, S.Muralithar, N.Madhavan, J.B.Gupta, A.K.Sinha, A.K.Jain, I.M.Govil, R.K.Bhowmik, S.C.Pancholi, L.Chaturvedi Shape evolution in odd-A 137Pm NUCLEAR REACTIONS 109Ag(32S, 2n2p), E=150 MeV; measured Eγ, Iγ using array of Compton suppressed clover detectors; deduced levels, J, π, γ transitions, bands, rotational bands, γ transition linear polarization, high spin, B(M1), B(E2); calculated nuclear deformation, shape evolution using TRS (Total Routhian Surface), CSM (cranked Shell Model).
doi: 10.1140/epja/i2012-12028-3
2012KA06 Phys.Rev. C 85, 034606 (2012) S.Kalkal, S.Mandal, A.Jhingan, J.Gehlot, P.Sugathan, K.S.Golda, N.Madhavan, R.Garg, S.Goyal, G.Mohanto, R.Sandal, S.Chakraborty, S.Verma, B.Behera, G.Eleonora, H.J.Wollersheim, R.Singh Measurements and coupled reaction channels analysis of one- and two-proton transfer reactions for the 28Si + 90, 94Zr systems NUCLEAR REACTIONS 90,94Zr(28Si, X), E=120 MeV; measured E(particle), energy loss, time of flight, σ(θ) for one-proton and two-proton stripping channels. Comparison with the coupled reaction channels (CRC) code FRESCO. DWBA analysis of σ(θ) data. Contribution of indirect multistep and sequential transfer to the two-proton stripping reaction above the Coulomb barrier.
doi: 10.1103/PhysRevC.85.034606
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
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
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
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
2011MU20 J.Phys.:Conf.Ser. 312, 052015 (2011) S.Muralithar, K.Rani, R.P.Singh, R.Kumar, J.J.Das, J.Gehlot, K.S.Golda, A.Jhingan, N.Madhavan, S.Nath, P.Sugathan, T.Varughese, M.Archunan, P.Barua, A.Gupta, M.Jain, A.Kothari, B.P.A.Kumar, A.J.Malyadri, U.G.Naik, R.Kumar, R.Kumar, J.Zacharias, S.Rao, S.K.Saini, S.K.Suman, M.Kumar, E.T.Subramaniam, S.Venkataramanan, A.Dhal, G.Jnaneswari, D.Negi, M.K.Raju, T.Trivedi, R.K.Bhowmik, for the INGA collaboration Indian National Gamma Array at IUAC NUCLEAR REACTIONS 94Mo(16O, 2np), E=70 MeV;130Te(14N, 5n), E=75 MeV; measured reaction products, Eγ, Iγ, γ-γ-, γ-γ-γ-coin. 107In, 139Pr; deduced energy levels, delayed γ-transition of isomer with T1/2.
doi: 10.1088/1742-6596/312/5/052015
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
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 Kramers 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
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
2010KA29 Nucl.Phys. A842, 1 (2010) D.Kanjilal, S.Bhattacharya, A.Goswami, R.Kshetri, R.Raut, S.Saha, R.K.Bhowmik, J.Gehlot, S.Muralithar, R.P.Singh, G.Jnaneswari, G.Mukherjee, B.Mukherjee High spin states and isomeric decays in doubly-odd 208Fr NUCLEAR REACTIONS 197Au(16O, xn)208Fr/209Fr/210Fr, E=88, 94, 100 MeV; measured Eγ, Iγ, γγ-coin, evaporation residue yields, T1/2 using INGA array. 208Fr; deduced energy levels, J, π, T1/2, DCO ratios. 204Po, 206At, 208Rn; deduced levels T1/2. Comparison with other data.
doi: 10.1016/j.nuclphysa.2010.04.003
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
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
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
2010VE04 Eur.Phys.J. A 44, 385 (2010) S.Verma, J.J.Das, A.Jhingan, K.Kalita, S.Barua, K.S.Golda, N.Madhavan, P.Sugathan, S.Nath, T.Varughese, J.Gehlot, S.Mandal, Ranjit, P.K.Sahu, B.John, B.K.Nayak, V.Jha, A.Saxena, S.K.Datta and R.Singh Interaction of loosely bound radioactive 7Be and stable 7Li with 9Be NUCLEAR REACTIONS 9Be(7Li, X), E=15.75, 24, 30 MeV; 9Be(7Be, X), E=17, 19, 21 MeV; 9Be(7Be, 6Li), E=19, 21 MeV; measured reaction products; 7,9Be, 7Li; deduced σ(θ), α-energy spectra, energy dependence of the fusion σ. Comparison with FRDWBA calculations.
doi: 10.1140/epja/i2010-10966-2
2007VE13 Eur.Phys.J. Special Topics 150, 75 (2007) S.Verma, J.J.Das, A.Jhingan, K.Kalita, S.Barua, K.S.Golda, N.Madhavan, P.Sugathan, S.Nath, T.Varughese, J.Gehlot, S.Mandal, S.Ranjit, P.K.Sahu, B.John, B.K.Nayak, A.Saxena, S.K.Datta, R.Singh Measurements of elastic scattering for 7Be, 7Li + 9Be systems and fusion cross sections for 7Li + 9Be system NUCLEAR REACTIONS 9Be(7Li, 7Li), E=17, 19, 21 MeV; 9Be(7Li, 7Li), E=15.75, 24.00, 30.00 MeV; measured elastic scattering σ(θ). Compared results to optical model calculations. 9Be(7Li, X), E=15.75, 24.00, 30.00 MeV; measured Eα, Iα from compound nuclear evaporation, fusion cross sections.
doi: 10.1140/epjst/e2007-00270-0
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