NSR Query Results
Output year order : Descending NSR database version of April 26, 2024. Search: Author = P.Sugathan Found 100 matches. 2024VI01 J.Phys.(London) G51, 035103 (2024) Vikas, Kavita, K.S.Golda, T.K.Ghosh, A.Jhingan, P.Sugathan, A.Chatterjee, B.R.Behera, A.Kumar, R.Kumar, N.Saneesh, Mohit, A.Yadav, C.Yadav, S.Appannababu, S.K.Duggi, R.Dubey, K.Rani, N.Kumar, A.Banerjee, A.Rani, Kajal, Sh.Noor, J.Acharya, H.Singh Measurement of mass-angle and mass-total kinetic energy distributions from the fission of 190Pt compound nucleus NUCLEAR REACTIONS 178Hf(12C, X)190Pt, E=60-88.2 MeV; measured reaction products, fission fragments; deduced excitation energies, excitation energy at saddle point, measured mean mass-total kinetic energy (TKE), dependence of mean mass ratio as a function of mean center of mass emission angle, mass-energy correlations, TKE distributions are well described with the single Gaussian fits. The General Purpose Scattering Chamber facility at Inter University Accelerator Centre (IUAC), New Delhi.
doi: 10.1088/1361-6471/ad1f2f
2023AR03 Chin.Phys.C 47, 034003 (2023) D.Arora, P.Sugathan, A.Chatterjee Investigating the fission dynamics of the following neutron shell closed nuclei within a stochastic dynamical approach: 210Po, 212Rn, and 213Fr NUCLEAR STRUCTURE 210Po, 212Rn, 213Fr; calculated pre-scission neutron multiplicities and σ, potential energy distribution as a function of the nuclear deformation coordinate by using a phenomenological universal friction form factor with no ad-hoc adjustment of the model parameters. Comparison with available data.
doi: 10.1088/1674-1137/aca7e2
2023SA37 Phys.Rev. C 108, 034609 (2023) N.Saneesh, D.Arora, A.Chatterjee, N.Kumar, A.Parihari, C.Kumar, I.Ahmed, S.Kumar, M.Kumar, A.Jhingan, K.S.Golda, A.M.Vinodkumar, P.Sugathan Impact of multichance fission on fragment-neutron correlations in 227Pa
doi: 10.1103/PhysRevC.108.034609
2023SH01 Appl.Radiat.Isot. 193, 110655 (2023) F.S.Shana, K.S.Golda, N.Saneesh, D.Arora, P.Sugathan Energy measurement of 241Am-9Be neutrons by tagged neutron time-of-flight NUCLEAR REACTIONS 9Be(α, n), E=5.486 MeV; measured reaction products, En, In, TOF; deduced neutron spectra, yields. Comparison with FLUKA calculations.
doi: 10.1016/j.apradiso.2023.110655
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
2023SH16 Phys.Rev. C 107, 064615 (2023) C.Sharma, B.R.Behera, Shruti, Amit, B.Rohila, A.Kaur, Subodh, N.Dhanda, A.Kumar, P.Sugathan, A.Jhingan, K.S.Golda, N.Saneesh, M.Kumar, H.Arora, D.Arora, H.P.Sharma Fission dynamics and entrance-channel study in the 210Po compound nucleus via light-particle multiplicities NUCLEAR REACTIONS 198Pt(12C, X)210Po, E=81 MeV; measured reaction products, fission fragments, neutron time-of-flight, En, In, angular distribution, (fragment)n-coin; deduced neutron multiplicity spectra, neutron angular distribution, pre-scission and post-fission contributions to neutron multiplicity, time evolution of the reactions (dynamical model calculations with HICOL). Comparison to experimental results obtained for 18O+192Os reaction and statistical model calculations done using the JOANNE2 code. 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 IUAC (New Delhi).
doi: 10.1103/PhysRevC.107.064615
2023SH27 Eur.Phys.J. A 59, 238 (2023) Shruti, B.R.Behera, N.Saneesh, A.K.Nasirov, H.Arora, C.Sharma, Amit, Subodh, D.Arora, K.Chakraborty, A.Kaur, Raghav, M.Kumar, K.S.Golda, A.Jhingan, P.Sugathan, H.Singh, S.Mandal, H.J.Wollersheim, J.Gerl Probing binary fragmentation dynamics of 48Ti + 232Th reaction at an excitation energy of 63.5 MeV NUCLEAR REACTIONS 232Th(48Ti, X)280Cn, E=280 MeV; measured reaction and fission products; deduced mass distribution and mass-TKE correlation, fission Fragment mass distribution, mass-angle distribution, yields of binary fragments. Comparison with calculations. The 15UD Pelletron + LINAC accelerator at the Inter University Accelerator Centre (IUAC), New Delhi.
doi: 10.1140/epja/s10050-023-01135-z
2022JO03 Eur.Phys.J. A 58, 40 (2022) C.Joshi, H.Kumawat, R.K.Singh, N.L.Singh, D.Patel, B.K.Nayak, J.Acharya, A.Parihari, K.Rani, S.D.Sharma, G.Kaur, I.Ahmed, K.S.Golda, N.Saneesh, M.Kumar, A.Jhingan, P.Sugathan Exploring breakup coupling effect in 7Li+92, 100Mo elastic scattering around Coulomb barrier energies NUCLEAR REACTIONS 92,100Mo(7Li, 7Li), E=15-35 MeV; measured reaction products; deduced σ, optical model potentials. Comparison with continuum-discretized coupled-channels calculations. The General Purpose Scattering Chamber (GPSC) facility at Inter University Accelerator Centre (IUAC), New Delhi.
doi: 10.1140/epja/s10050-022-00690-1
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
2022RA23 J.Phys.(London) G49, 035103 (2022) N.K.Rai, A.Gandhi, M.T.Senthil Kannan, S.K.Roy, N.Saneesh, M.Kumar, G.Kaur, D.Arora, K.S.Golda, A.Jhingan, P.Sugathan, T.K.Ghosh, J.Sadhukhan, B.K.Nayak, N.K.Deb, S.Biswas, A.Chakraborty, A.Parihari, A.Kumar Inference on fission timescale from neutron multiplicity measurement in 18O + 184W NUCLEAR REACTIONS 184W(18O, X)1NN, E=67.23-76.37 MeV; measured reaction products, En, In; deduced pre-scission and post-scission neutron multiplicities, fission yield distributions. Comparison with theoretical calculations. The National Array of Neutron Detectors (NAND) facility of the Inter University Accelerator Center (IUAC), New Delhi.
doi: 10.1088/1361-6471/ac4b3f
2021KU08 Phys.Lett. B 814, 136062 (2021) N.Kumar, S.Verma, S.Mohsina, J.Sadhukhan, K.Rojeeta Devi, A.Banerjee, N.Saneesh, M.Kumar, R.Mahajan, M.Thakur, G.Kaur, A.Rani, Neelam, A.Yadav, Kavita, R.Kumar, Unnati, S.Mandal, S.Kumar, B.R.Behera, K.S.Golda, A.Jhingan, P.Sugathan Probing entrance channel effects in fusion-fission dynamics through neutron multiplicity measurement of 208Rn NUCLEAR REACTIONS 178Hf(30Si, X), 160Gd(48Ti, X)208Rn, E=54-80 MeV; measured fission products, En, In; calculated potential energy surface; deduced double differential neutron multiplicities. Comparison with available data.
doi: 10.1016/j.physletb.2021.136062
2021SI22 J.Phys.(London) G48, 075104 (2021) V.Singh, B.R.Behera, M.Kaur, A.Jhingan, R.Kaur, P.Sugathan, D.Siwal, S.Goyal, K.P.Singh, S.Pal, A.Saxena, S.Kailas Measurement of fission excitation function for 19F + 194, 196, 198Pt reactions NUCLEAR REACTIONS 194,196,198Pt(19F, F), E=90.5-118.7 MeV; measured reaction products. 213,215,217Fr; deduced fragment yields, σ, pre-scission neutron multiplicity. Comparison with statistical model calculations.
doi: 10.1088/1361-6471/abe8cd
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
2019KA29 Phys.Rev. C 100, 014620 (2019) K.Kapoor, N.Bansal, C.Sharma, S.Verma, K.Rani, R.Mahajan, B.R.Behera, K.P.Singh, A.Kumar, H.Singh, R.Dubey, N.Saneesh, M.Kumar, A.Yadav, A.Jhingan, P.Sugathan, B.K.Nayak, A.Saxena, H.P.Sharma, S.K.Chamoli Role of viscosity in fusion-fission dynamics via simultaneously measured neutron and α-particle multiplicities NUCLEAR REACTIONS 196Pt(16O, X)212Rn*, E=93, 99, 106 MeV pulsed beam; measured reaction products, particle-identification plot, Eα, Iα, En, In, (fragment)α- and (fragment)n-coin, pre-, and post-scission α and n multiplicity spectra, angular distributions using multiwire proportional counters for fragment detection, CsI(Tl) detectors for α detection, and organic scintillators for neutron detection at 15UD Pelletron facility of IUAC, New Delhi. Comparison with statistical model calculations using JOANNE2 code.
doi: 10.1103/PhysRevC.100.014620
2019KA38 Phys.Rev. C 100, 024626 (2019) Kavita, K.S.Golda, T.K.Ghosh, A.Jhingan, P.Sugathan, A.Chatterjee, B.R.Behera, Ashok Kumar, R.Kumar, N.Saneesh, M.Kumar, A.Yadav, C.Yadav, N.Kumar, A.Banerjee, A.Rani, S.K.Duggi, R.Dubey, K.Rani, S.Noor, J.Acharya, H.Singh Fusion-fission dynamics of 188, 190Pt through fission fragment mass distribution measurements NUCLEAR REACTIONS 160Gd(28Si, X)188Pt*, E=120, 125, 130, 135, 140 MeV; 178Hf(12C, X)190Pt*, E=70, 75, 80, 83.5, 88.2 MeV; measured reaction products, TOF, (fragment)(fragment)-coin, mass-yield distribution; deduced velocity distribution and mass ratio of fission fragments, width of the fission fragment distributions and the excitation energies. Comparison of width of mass distributions with saddle-point model. Measurement was performed at the Inter-university Accelerator Centre (IUAC), New Delhi, India.
doi: 10.1103/PhysRevC.100.024626
2019PA14 Phys.Rev. C 99, 024620 (2019) A.Pal, S.Santra, D.Chattopadhyay, A.Kundu, A.Jhingan, P.Sugathan, B.K.Nayak, A.Saxena, S.Kailas Measurement of incomplete fusion cross sections in 6, 7Li + 238U reactions NUCLEAR REACTIONS 238U(6Li, F), (6Li, αF), (6Li, tF), (6Li, dF), (6Li, pF), (7Li, F), (7Li, αF), (7Li, tF), (7Li, dF), (7Li, pF)241Pu/242Pu/243Pu/244Pu/240Np/241Np, E=30, 34, 40, 31.2, 41.4 MeV; measured reaction products, triple coincidences between the two fission fragments and one light charged projectile-like fragment (PLF), complete fusion (CF) and incomplete fusion (ICF) differential σ(θ, E), and total σ(E) using two multiwire proportional counter (MWPC) detectors and an array of CSI(Tl) scintillation detectors at the Pelletron accelerator facility of IUAC-New Delhi. Monte Carlo simulation and fission probability by GEF code. Comparison with previous experimental data for different systems, and with continuum discretized coupled channels (CDCC) calculations using FRESCO code. Systematics of ratios of total fusion cross-sections for 6Li and 7Li projectiles on 24Mg, 28Si, 59Co, 64Zn, 124Sn, 159Tb, 197Au, 232Au, 238U targets. Discussed difference in peak to valley ratio between complete fusion (CF) and total fission.
doi: 10.1103/PhysRevC.99.024620
2019RA18 Phys.Rev. C 100, 014614 (2019) N.K.Rai, A.Gandhi, Ajay Kumar, N.Saneesh, M.Kumar, G.Kaur, A.Parihari, D.Arora, K.S.Golda, A.Jhingan, P.Sugathan, T.K.Ghosh, J.Sadhukhan, B.K.Nayak, N.K.Deb, S.Biswas, A.Chakraborty Measurement of neutron multiplicity to investigate the role of entrance channel parameters on the nuclear dissipation NUCLEAR REACTIONS 186W(18O, X), E=96.49, 101.50, 106.51 MeV; measured fission fragments, time-of-flight for fission fragments, E(n), I(n), (fragment)n-coin, angular distribution of neutrons, pre- and post-scission neutron multiplicity and temperature, and nuclear dissipation parameter using the NAND array of organic liquid scintillator detectors for neutron detection and multiwire proportional counters for fragment detection at the 15UD Pelletron accelerator of IUAC, New Delhi; deduced variation of the dissipation parameter β with respect to the entrance channel mass asymmetry. Comparison with statistical model calculations using the code VECSTAT.
doi: 10.1103/PhysRevC.100.014614
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
2018KA31 Acta Phys.Pol. B49, 651 (2018) G.Kaur, B.R.Behera, A.Jhingan, R.Dubey, T.Banerjee, M.Thakur, R.Mahajan, P.Sharma, Khushboo, N.Saneesh, A.Yadav, K.Kapoor, N.Kumar, K.Rani, P.Sugathan, N.Rowley Quasi-elastic Scattering in the 48Ti+232Th Reaction NUCLEAR REACTIONS 232Th(48Ti, x), E=220-285 MeV; measured reaction products energy, intensity, angle, mainly projectile-like particles using hybrid telescope array; separated pure QuasiElastic (QE) events; deduced barrier distribution, σ(θ); calculated barrier distribution, σ(θ) using coupled channels with deformation, vibration and rotation.
doi: 10.5506/aphyspolb.49.651
2018MA48 Acta Phys.Pol. B49, 645 (2018) R.Mahajan, B.R.Behera, M.Thakur, G.Kaur, P.Sharma, K.Kapoor, P.Sugathan, A.Jhingan, A.Chatterjee, N.Saneesh, R.Dubey, A.Yadav, N.Kumar, H.Singh, A.Kumar, A.Saxena, S.Pal Fission Dynamics of 192, 202, 206, 210Po Compound Nuclei by Neutron Multiplicity Measurements NUCLEAR REACTIONS 144,154Sm(48Ti, x), E*=72 MeV; measured En, In; deduced neutron yields, double-differential yields, neutron pre and post multiplicities, pre and post temperatures of neutron sources; calculated neutron multiplicities, temperatures using compound nucleus statistical model with the strength of nuclear dissipation as a free parameter. Yields compared with 191Os(18O, x) and 194Pt(12C, x) reactions at 73.5 and 76.7 MeV, respectively, measured earlier; deduced no specific dependence on the (N-Z)/A of the fissioning nuclei, deduced importance of entrance channels.
doi: 10.5506/aphyspolb.49.645
2018MA55 Phys.Rev. C 98, 034601 (2018) R.Mahajan, B.R.Behera, M.Thakur, G.Kaur, P.Sharma, K.Kapoor, A.Kumar, P.Sugathan, A.Jhingan, A.Chatterjee, N.Saneesh, A.Yadav, R.Dubey, N.Kumar, H.Singh, A.Saxena, S.Pal Systematic study of 192, 202, 206, 210Po compound nuclei using neutron multiplicity as a probe NUCLEAR REACTIONS 144Sm(48Ti, X)192Po*, E=260 MeV; 154Sm(48Ti, X)202Po*, E=230 MeV; measured reaction products, time of flight, E(n), I(n), n(fragment)-coin, neutron multiplicity spectra using the NAND array for neutron detection at the 15 UD Pelletron+LINAC facility of IUAC-New Delhi; deduced compound nucleus pre- and post-scission neutron multiplicity and partial fusion σ. 194Pt(12C, X)206Po*, E*=76.7 MeV; 192Os(18O, X)210Po*, E*=73.5 MeV; analyzed compound nucleus pre-scission neutron multiplicity. Comparison with Shell model predictions for 192,202,206,210Po compound nuclei.
doi: 10.1103/PhysRevC.98.034601
2018PA42 Phys.Rev. C 98, 031601 (2018) A.Pal, S.Santra, D.Chattopadhyay, A.Kundu, A.Jhingan, P.Sugathan, N.Saneesh, M.Kumar, N.L.Singh, A.Yadav, C.Yadav, R.Dubey, K.Kapoor, K.Rani, H.Arora, A.C.Visakh, D.Kaur, B.K.Nayak, A.Saxena, S.Kailas, K.-H.Schmidt Mass distributions of fission fragments from nuclei populated by multinucleon transfer or incomplete fusion channels in 6, 7Li + 238U reactions NUCLEAR REACTIONS 238U(6Li, F), (6Li, αF), (6Li, tF), (6Li, dF), (6Li, pF), (7Li, F), (7Li, αF), (7Li, tF), (7Li, dF), (7Li, pF)241Pu/242Pu/243Pu/244Pu/240Np/241Np, E=30, 34, 40, 31.4, 41.4 MeV; measured mass and folding angle distributions for inclusive fission and fission fragments in coincidence with α, t, d, and p at IUAC-New Delhi Pelletron accelerator facility; deduced peak/valley ratio for inclusive and breakup/transfer-fission. Comparison with previous experimental data, and with predictions of GEF code. Discussed shell correction parameter for symmetric fragments.
doi: 10.1103/PhysRevC.98.031601
2018TH03 Phys.Rev. C 98, 014606 (2018) M.Thakur, B.R.Behera, R.Mahajan, G.Kaur, P.Sharma, K.Kapoor, K.Rani, P.Sugathan, A.Jhingan, N.Saneesh, R.Dubey, A.Yadav, A.Chatterjee, M.B.Chatterjee, N.Kumar, S.Mandal, S.K.Duggi, A.Saxena, S.Kailas, S.Pal Measurement of mass-gated neutron multiplicity for the 48Ti + 208Pb reaction at 57.4 MeV excitation energy NUCLEAR REACTIONS 208Pb(48Ti, F)256Rf*, E=275 MeV; measured fission products, neutrons, (particle)n-coin, angular distributions, double differential neutron multiplicity spectra using position-sensitive multiwire proportional counters (MWPC) for particles and NAND array for neutrons at the 15UD Pelletron-LINAC facility of IUAC-New Delhi; deduced scatter plot of mass and total kinetic energy (TKE) of fission fragments, neutron multiplicity and temperature values, prescission neutron multiplicity. Quasifission (QF) processes investigated through analyses of angular distributions, mass distributions (MD), mass-energy distributions (MED), and mass-angle distributions (MAD) of the fission fragments. Comparison with statistical model calculations.
doi: 10.1103/PhysRevC.98.014606
2018TH04 Acta Phys.Pol. B49, 631 (2018) M.Thakur, B.R.Behera, R.Mahajan, N.Saneesh, G.Kaur, P.Sharma, R.Dubey, K.Kapoor, A.Yadav, N.Kumar, S.Kumar, K.Rani, P.Sugathan, A.Jhingan, A.Chatterjee, M.B.Chatterjee, S.Mandal, A.Saxena, S.Pal, S.Kailas Fission Dynamics Studies of Near Super-heavy Compound Nucleus 256Rf NUCLEAR REACTIONS 208Pb(48Ti, f), E*=57.4 MeV; measured neutron multiplicity; deduced neutron energy spectra corrected for efficiency of the neutron detectors calculated using statistical code FLUKA at a threshold of 120 keV, spectra come from compound nucleus (pre-scission), fission fragment F1 and the complementary fission fragment F2 (post-scission); calculated double-differential neutron multiplicity spectra and their mechanisms contribution at E=273.1 MeV; fitted to the data; calculated variation of neutron pre-scission multiplicity Mpren vs E*; deduced the value of τdelay=33 x 1021 from the fit to data of 232Th(19F, f) reaction.
doi: 10.5506/aphyspolb.49.631
2017AD09 J.Phys.(London) G44, 015102 (2017) S.Adhikari, C.Basu, P.Sugathan, A.Jhinghan, B.R.Behera, N.Saneesh, G.Kaur, M.Thakur, R.Mahajan, R.Dubey, A.K.Mitra Breakup effects on alpha spectroscopic factors of 16O NUCLEAR REACTIONS 12C(7Li, t)16O, E=20 MeV; measured reaction products; deduced σ(θ), σ, reduced α width, asymptotic normalization constant, spectroscopic factors. Comparison with theoretical calculations.
doi: 10.1088/0954-3899/44/1/015102
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
2017KA16 Acta Phys.Pol. B48, 619 (2017) G.Kaur, B.R.Behera, A.Jhingan, R.Dubey, M.Thakur, P.Sharma, R.Mahajan, T.Banerjee, Khushboo, N.Saneesh, A.Kumar, S.Mandal, B.K.Nayak, A.Saxena, P.Sugathan, N.Rowley Influence of Positive Q-value Neutron Transfer Coupling on Fusion Enhancement in 28Si+154Sm Reaction NUCLEAR REACTIONS 154Sm(28Si, 30Si), E(eff)=85-115 MeV; calculated QE barrier distribution vs E(eff) using CCFULL code with vibrational and rotational couplings for the 2+1 state of 28Si, deformation before and after 2n transfer. Compared with data published by the same group and with calculations for other 28Si reactions.
doi: 10.5506/APhysPolB.48.619
2017KA58 Phys.Rev. C 96, 054605 (2017) K.Kapoor, S.Verma, P.Sharma, R.Mahajan, N.Kaur, G.Kaur, B.R.Behera, K.P.Singh, A.Kumar, H.Singh, R.Dubey, N.Saneesh, A.Jhingan, P.Sugathan, G.Mohanto, B.K.Nayak, A.Saxena, H.P.Sharma, S.K.Chamoli, I.Mukul, V.Singh Fission time scale from pre-scission neutron and α multiplicities in the 16O + 194Pt reaction NUCLEAR REACTIONS 194Pt(16O, X)210Rn*, E=98.4 MeV; measured Eα, Iα, fission fragments, (fragments)α-coin, angular distributions using multiwire proportional counters (MWPC) for detection of fission fragments, and an array of CsI detectors for α particles at 15UD Pelletron facility of IUAC-New Delhi; deduced particle identification plot, fission fragments mass ratio distribution, normalized α-particle multiplicity spectra, dissipation energy and dinucleus elongation as function of time and angular momentum, transient times and saddle to scission times. Comparison with statistical model calculations using JOANNE2 code.
doi: 10.1103/PhysRevC.96.054605
2017TH04 Eur.Phys.J. A 53, 133 (2017) M.Thakur, B.R.Behera, R.Mahajan, N.Saneesh, G.Kaur, P.Sharma, R.Dubey, K.Kapoor, A.Yadav, N.Kumar, S.Kumar, K.Rani, P.Sugathan, A.Jhingan, A.Chatterjee, M.B.Chatterjee, S.Mandal, A.Saxena, S.Pal, S.Kailas, A.Nasirov, B.Kayumov Binary fragmentation based studies for the near super-heavy compound nucleus 256Rf NUCLEAR REACTIONS 208Pb(48Ti, x), E=275 MeV; measured fission fragments using MWPCs; deduced intermediate mass fragments mass distribution, TKE; calculated QF (QuasiFission), FF (Fast Fission), DNS (Double Nuclear System) yields separately, especially close to near superheavy 256Rf. Compared to data.
doi: 10.1140/epja/i2017-12323-5
2016BA32 Phys.Rev. C 93, 064602 (2016) K.Banerjee, T.K.Ghosh, P.Roy, S.Bhattacharya, A.Chaudhuri, C.Bhattacharya, R.Pandey, S.Kundu, G.Mukherjee, T.K.Rana, J.K.Meena, G.Mohanto, R.Dubey, N.Saneesh, P.Sugathan, R.Guin, S.Das, P.Bhattacharya Fission dynamics study in 243Am and 254Fm NUCLEAR REACTIONS 232Th, 243Am(11B, F), E=56, 59, 61, 63, 66, 70, 74 MeV; measured fission fragment mass distributions, distribution of velocity of the fissioning nuclei, folding angle distribution of all the fission fragments, fission fragment angular anisotropies at 15UD Pelletron accelerator of IUAC-New Delhi; deduced departure from statistical saddle-point model predictions at near-barrier energies, and the presence of nonequilibrium fission processes.
doi: 10.1103/PhysRevC.93.064602
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
2016CH34 Phys.Rev. C 94, 024617 (2016) A.Chaudhuri, A.Sen, T.K.Ghosh, K.Banerjee, J.Sadhukhan, S.Bhattacharya, P.Roy, T.Roy, C.Bhattacharya, Md.A.Asgar, A.Dey, S.Kundu, S.Manna, J.K.Meena, G.Mukherjee, R.Pandey, T.K.Rana, V.Srivastava, R.Dubey, G.Kaur, N.Saneesh, P.Sugathan, P.Bhattacharya Fission fragment mass distributions in reactions populating 200Pb NUCLEAR REACTIONS 184W(16O, X)200Pb*, E*=58.6, 64.1, 69.6, 75.2 MeV; 181Ta(19F, X)200Pb*, E*=59.6, 65.0, 70.4, 75.9 MeV; measured mass distributions of fission fragments as function of excitation energy, and mass angle distributions using sensitive multiwire proportional counters (MWPCs) and pulsed beams at 15UD Pelletron accelerator facility of IUAC-New Delhi; deduced no evidence for quasifission.
doi: 10.1103/PhysRevC.94.024617
2016DU01 Phys.Lett. B 752, 338 (2016) R.Dubey, P.Sugathan, A.Jhingan, G.Kaur, I.Mukul, G.Mohanto, D.Siwal, N.Saneesh, T.Banerjee, M.Thakur, R.Mahajan, N.Kumar, M.B.Chatterjee Interplay of fission modes in mass distribution of light actinide nuclei 225, 227Pa NUCLEAR REACTIONS 206,208Pb(19F, X)225Pa/227Pa, E=87-120 MeV; measured fission fragments; deduced σ, fission-fragment mass distributions, two-mode feature: presence of asymmetric fission events mixed with symmetric fission events. Comparison with available data.
doi: 10.1016/j.physletb.2015.11.060
2016DU08 Acta Phys.Pol. B47, 953 (2016) R.Dubey, P.Sugathan, A.Jhingan, T.Banerjee, N.Saneesh, G.Kaur, M.Thakur, R.Mahajan, I.Mukul, D.Siwal Study the Fission Dynamics of 225Pa Nuclei Around the Sub-barrier Energy NUCLEAR REACTIONS 206Pb(19F, X)225Pa, E=89, 112 MeV; measured reaction products; deduced yields, mass ratio of fission fragments.
doi: 10.5506/APhysPolB.47.953
2016KA10 Acta Phys.Pol. B47, 847 (2016) G.Kaur, B.R.Behera, A.Jhingan, B.K.Nayak, R.Dubey, P.Sharma, M.Thakur, R.Mahajan, N.Saneesh, T.Banerjee, Khushboo, A.Kumar, S.Mandal, A.Saxena, P.Sugathan, N.Rowley Measurement of Quasi-elastic Scattering: to Probe 28Si+154Sm Reaction NUCLEAR REACTIONS 154Sm(28Si, 28Si), E=118 MeV; measured reaction products; deduced quasi-elastic σ, experimental barrier distribution.
doi: 10.5506/APhysPolB.47.847
2016KA39 Phys.Rev. C 94, 034613 (2016) G.Kaur, B.R.Behera, A.Jhingan, B.K.Nayak, R.Dubey, P.Sharma, M.Thakur, R.Mahajan, N.Saneesh, T.Banerjee, Khushboo, A.Kumar, S.Mandal, A.Saxena, P.Sugathan, N.Rowley Effect of coupling in the 28Si + 154Sm reaction studied by quasi-elastic scattering NUCLEAR REACTIONS 154Sm(28Si, X), E=90.0-135.0 MeV; measured projectile-like fragments using ΔE-E hybrid telescope detector at IUAC 15UD Pelletron accelerator facility; deduced quasi-elastic σ(E) and corresponding barrier distribution, influence of couplings to excited states in 28Si projectile and in 154Sm target on fusion σ. Comparison with 154Sm(16O, X) data, and with coupled-channels predictions.
doi: 10.1103/PhysRevC.94.034613
2016RA08 Phys.Rev. C 93, 034317 (2016) M.K.Raju, P.V.Madhusudhana Rao, S.Muralithar, R.P.Singh, G.H.Bhat, J.A.Sheikh, S.K.Tandel, P.Sugathan, T.Seshi Reddy, B.V.Thirumala Rao, R.K.Bhowmik Observation of a γ band based on a two-quasiparticle configuration in 70Ge NUCLEAR REACTIONS 64Ni(12C, 2nα), E=55 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO) using the Gamma Detector Array (GDA) at the 15 UD Pelletron accelerator of IUAC-New Delhi. 70Ge; deduced high-spin levels, J, π, multipolarity, bands, alignments, Comparison with Cranked Hartree-Fock-Bogoliubov calculations, and triaxial projected shell-model calculations. Total Routhian surface calculations. NUCLEAR STRUCTURE 68,70Ge; calculated levels, J, π, band alignments using triaxial projected shell-model. Comparison with experimental values.
doi: 10.1103/PhysRevC.93.034317
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
2015KA47 Phys.Rev. C 92, 044609 (2015) G.Kaur, B.R.Behera, A.Jhingan, P.Sugathan, K.Hagino Influence of vibrational excitation on surface diffuseness of the internuclear potential: Study through heavy-ion quasielastic scattering at deep sub-barrier energies NUCLEAR REACTIONS 105,106Pd(12C, 12C'), (13C, 13C'), E=30-52 MeV; analyzed experimental data for quasielastic scattering σ(E, θ) at a backward angle; deduced surface diffuseness parameter in the internuclear potential. Single-channel and coupled-channels calculations including the quadrupole vibrational excitations in the target nuclei.
doi: 10.1103/PhysRevC.92.044609
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
2015RA20 Phys.Rev. C 92, 064324 (2015) M.K.Raju, P.V.Madhusudhana Rao, S.K.Tandel, P.Sugathan, R.P.Singh, S.Muralithar, T.Seshi Reddy, B.V.Thirumala Rao, J.Meng, S.Zhang, J.Li, Q.B.Chen, B.Qi, R.K.Bhowmik High spin spectroscopy and shape coexistence in 73As NUCLEAR REACTIONS 64Ni(12C, 2npγ), E=55 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO), σ using GDA array at 15UD Pelletron facility of IUAC-New Delhi. Enriched target. 73As; deduced high-spin levels, J, π, bands, multipolarity, alignments, moment of inertia plots, signature splitting, configuration, shape coexistence; calculated potential energy surface (PES) contour in (β, γ) plane. Cranked shell-model (CSM), particle-rotor model (PRM), and relativistic mean-field (RMF) calculations.
doi: 10.1103/PhysRevC.92.064324
2014AD07 Phys.Rev. C 89, 044618 (2014) S.Adhikari, C.Basu, I.J.Thompson, P.Sugathan, A.Jhinghan, K.S.Golda, A.Babu, D.Singh, S.Ray, A.K.Mitra Observation of a breakup-induced α-transfer process for some bound states of 16O populated by the 12C6Li, d)16O* reaction NUCLEAR REACTIONS 12C(6Li, d)16O*, E=20 MeV; measured deuteron spectra, σ(θ) at 15UD Pelletron facility of IUAC. 16O; deduced levels, α-unbound states, J, π, spectroscopic amplitudes, S(α) spectroscopic factors. 12C(α, γ); deduced astrophysical E2 S factor. Comparison with R-matrix FR-DWBA, Hauser-Feshbach, and Continuum discretized coupled-channel coupled reaction channel (CDCC-CRC) calculations with and without the inclusion of the breakup of 6Li. Comparison with previous experimental results.
doi: 10.1103/PhysRevC.89.044618
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
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
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
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
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
2013SI19 Phys.Rev. C 87, 064601 (2013) V.Singh, B.R.Behera, M.Kaur, A.Kumar, P.Sugathan, K.S.Golda, A.Jhingan, M.B.Chatterjee, R.K.Bhowmik, D.Siwal, S.Goyal, J.Sadhukhan, S.Pal, A.Saxena, S.Santra, S.Kailas Neutron multiplicity measurements for 19F+194, 196, 198Pt systems to investigate the effect of shell closure on nuclear dissipation NUCLEAR REACTIONS 194,196,198Pt(19F, X)213Fr*/215Fr*/217Fr*, E=90.2-139.6 MeV; measured fragment spectra, E(n), (fragment)n-coin, time-of-flight, neutron angular distributions, pre- and post-scission neutron multiplicities using NAND array at IUAC facility in Delhi; deduced reduced dissipation coefficients β as function of excitation energy, shell effects on dissipation strength. Comparison with statistical model calculations using Kramers fission width.
doi: 10.1103/PhysRevC.87.064601
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
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
2012RA22 J.Radioanal.Nucl.Chem. 294, 53 (2012) M.K.Raju, P.Sugathan, T.Seshi Reddy, B.V.T.Rao, S.Muralithar, R.P.Singh, R.K.Bhowmik, P.V.Madhusudhana Rao In-beam gamma spectroscopy of 73As nucleus NUCLEAR REACTIONS 64Ni(12C, 2np)73As, E=55 MeV; measured reaction products, Eγ, Iγ; deduced level scheme, J, π, high-spin level structures, yrast positive parity band.
doi: 10.1007/s10967-011-1609-6
2012SI12 Phys.Rev. C 86, 014609 (2012) V.Singh, B.R.Behera, M.Kaur, P.Sugathan, K.S.Golda, A.Jhingan, J.Sadhukhan, D.Siwal, S.Goyal, S.Santra, A.Kumar, R.K.Bhowmik, M.B.Chatterjee, A.Saxena, S.Pal, S.Kailas Search for an effect of shell closure on nuclear dissipation via a neutron-multiplicity measurement NUCLEAR REACTIONS 194,196,198Pt(19F, X)213Fr/215Fr/217Fr, E=92-141 MeV; measured neutron spectra, n(fission fragment)-coin, prescission and total neutron multiplicity excitation functions using the NAND array at Pelletron+LINAC facility of IUAC, pulsed beam. Statistical model analysis. Shell effects on nuclear dissipation.
doi: 10.1103/PhysRevC.86.014609
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
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
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
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
2011SA05 Phys.Rev. C 83, 024605 (2011) K.Banerjee, T.K.Ghosh, S.Bhattacharya, C.Bhattacharya, S.Kundu, T.K.Rana, G.Mukherjee, J.K.Meena, J.Sadhukhan, S.Pal, P.Bhattacharya, K.S.Golda, P.Sugathan, R.P.Singh Evidence of quasifission in the 16O+ 238U reaction at sub-barrier energies NUCLEAR REACTIONS 238U(16O, F), E=83, 85, 87, 89, 92, 96, 100 MeV; 197Au(16O, X), E=10 MeV; measured E(n) by TOF, fission fragments, distribution of velocity of the fissioning nuclei, folding angle distribution of fission fragments, mass distributions, neutron multiplicity spectra. Comparison with standard statistical model predictions.
doi: 10.1103/PhysRevC.83.024605
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
2009AP03 Phys.Rev. C 80, 024603 (2009) S.Appannababu, S.Mukherjee, N.L.Singh, P.K.Rath, G.Kiran Kumar, R.G.Thomas, S.Santra, B.K.Nayak, A.Saxena, R.K.Choudhury, K.S.Golda, A.Jhingan, R.Kumar, P.Sugathan, H.Singh Absence of entrance channel effects in fission fragment anisotropies of the 215Fr compound nucleus NUCLEAR REACTIONS 197Au(18O, X)215Fr, E=77.7-96.7 MeV; 204Pb(11B, X)215Fr, E=51.5-63.5 MeV; measured fission fragment angular distributions and anisotropies of the 215Fr compound nucleus; deduced fission excitation functions, fusion barrier distributions. Comparison with standard saddle-point statistical model (SSPSM) calculations.
doi: 10.1103/PhysRevC.80.024603
2009SI36 Phys.Rev. C 80, 064615 (2009) H.Singh, B.R.Behera, G.Singh, I.M.Govil, K.S.Golda, A.Jhingan, R.P.Singh, P.Sugathan, M.B.Chatterjee, S.K.Datta, S.Pal, Ranjeet, S.Mandal, P.D.Shidling, G.Viesti Measurement of neutron multiplicity from fission of 228U and nuclear dissipation NUCLEAR REACTIONS 209Bi(19F, X)228U, E=100, 104, 108, 112, 116 MeV; measured neutrons by tof and fission fragments; deduced pre-scission and post-scission neutron multiplicity spectra and total neutron multiplicities from the fission of compound nucleus 228U. Comparison with statistical model calculations using Bohr-Wheeler transition state fission width and Kramer dissipative dynamical fission width.
doi: 10.1103/PhysRevC.80.064615
2008SH21 Phys.Lett. B 670, 99 (2008) P.D.Shidling, N.Madhavan, V.S.Ramamurthy, S.Nath, N.M.Badiger, S.Pal, A.K.Sinha, A.Jhingan, S.Muralithar, P.Sugathan, S.Kailas, B.R.Behera, R.Singh, K.M.Varier, M.C.Radhakrishna Experimental signature of entrance channel effect in heavy mass region via evaporation residue cross section and spin distribution measurements NUCLEAR REACTIONS 184W(16O, F), 181Ta(19F, F), E*=50-90 MeV; measured Eγ, Iγ, (particle)γ-coin, Evaporation Residue cross sections and γ multiplicity distributions.
doi: 10.1016/j.physletb.2008.10.044
2008SI23 Phys.Rev. C 78, 024609 (2008) H.Singh, K.S.Golda, S.Pal, Ranjeet, R.Sandal, B.R.Behera, G.Singh, A.Jhingan, R.P.Singh, P.Sugathan, M.B.Chatterjee, S.K.Datta, A.Kumar, G.Viesti, I.M.Govil Role of nuclear dissipation and entrance channel mass asymmetry in pre-scission neutron multiplicity enhancement in fusion-fission reactions NUCLEAR REACTIONS 204Pb(12C, X), E=75-95 MeV; 197Au(19F, X), E=98-118 MeV; measured pre-scission neutron multiplicities, fusion σ, neutron yields. 216Ra; deduced fission dissipation strength.
doi: 10.1103/PhysRevC.78.024609
2007KU19 Phys.Rev. C 76, 034301 (2007) R.Kumar, S.K.Chamoli, I.M.Govil, A.Dhal, R.K.Sinha, L.Chaturvedi, Z.Naik, C.R.Praharaj, S.Muralithar, R.P.Singh, N.Madhavan, P.Sugathan, J.J.Das, R.K.Bhowmik Shape coexistence and high spin states in 52Cr NUCLEAR REACTIONS 27Al(28Si, 3p), E=70 MeV; measured Eγ, Iγ(θ), γγ-coinc. 52Cr deduced levels, J, π. Compared results to model calculations.
doi: 10.1103/PhysRevC.76.034301
2007SI28 Phys.Rev. C 76, 044610 (2007); Erratum Phys.Rev. C 80, 019909 (2009) H.Singh, A.Kumar, B.R.Behera, I.M.Govil, K.S.Golda, P.Kumar, A.Jhingan, R.P.Singh, P.Sugathan, M.B.Chatterjee, S.K.Datta, Ranjeet, S.Pal, G.Viesti Entrance channel effects in fission of 197Tl NUCLEAR REACTIONS 181Ta(16O, F), E=105, 110, 115 MeV; 178Hf(19F, F), E=108, 113, 118 MeV; measured neutron spectra, neutron multiplicities, angular momentum, dissipation strengths as function of excitation energies. 197Tl; deduced compound nucleus fission channels.
doi: 10.1103/PhysRevC.76.044610
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
2006DA02 Phys.Rev. C 73, 015808 (2006) J.J.Das, V.M.Datar, P.Sugathan, N.Madhavan, P.V.Madhusudhana Rao, A.Jhingan, A.Navin, S.K.Dhiman, S.Barua, S.Nath, T.Varughese, A.K.Sinha, R.Singh, A.Ray, D.L.Sastry, R.G.Kulkarni, R.Shyam Astrophysical S17(0) factor from a measurement of the 2H(7Be, 8B)n reaction at Ec.m. = 4.5 MeV NUCLEAR REACTIONS 2H(7Be, 7Be), (7Be, 8B), E(cm)=4.5 MeV; measured σ(θ); deduced parameters. 7Be(p, γ), E=low; deduced astrophysical S-factor. Asymptotic normalization coefficient method.
doi: 10.1103/PhysRevC.73.015808
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
2006KR07 Eur.Phys.J. A 29, 151 (2006) Krishichayan, A.Chakraborty, S.Mukhopadhyay, S.Ray, N.S.Pattabiraman, S.S.Ghugre, R.Goswami, A.K.Sinha, S.Sarkar, U.Garg, P.V.Madhusudhana Rao, S.K.Basu, B.K.Yogi, L.Chaturvedi, A.Dhal, R.K.Sinha, M.S.Sarkar, S.Saha, R.Singh, R.K.Bhowmik, A.Jhingan, N.Madhavan, S.Muralithar, S.Nath, R.P.Singh, P.Sugathan Spin-parity measurements in the neutron-rich N ∼ 20 34P and 36S nuclei NUCLEAR REACTIONS 115In(34S, X)34P/36S/146Tb/145Gd/146Gd, E=140 MeV; measured Eγ, Iγ, γγ-coin, γ-ray polarization. 34P, 36S deduced levels, J, π, configurations.
doi: 10.1140/epja/i2006-10084-x
2006RA07 Phys.Rev. C 73, 034323 (2006) A.Ray, P.Das, S.K.Saha, S.K.Das, J.J.Das, N.Madhavan, S.Nath, P.Sugathan, P.V.M.Rao, A.Jhingan Change of 7Be decay rate in exohedral and endohedral C60 fullerene compounds and its implications RADIOACTIVITY 7Be(EC); measured T1/2 for source implanted in C60 and gold foil; deduced environmental effects.
doi: 10.1103/PhysRevC.73.034323
2006SH28 Phys.Rev.C 74, 064603 (2006) P.D.Shidling, N.M.Badiger, S.Nath, R.Kumar, A.Jhingan, R.P.Singh, P.Sugathan, S.Muralithar, N.Madhavan, A.K.Sinha, S.Pal, S.Kailas, S.Verma, K.Kalita, S.Mandal, R.Singh, B.R.Behera, K.M.Varier, M.C.Radhakrishna Fission hindrance studies in 200Pb: Evaporation residue cross section and spin distribution measurements NUCLEAR REACTIONS 184W(16O, xnyp), E=84, 92, 100, 108, 116, 120 MeV; measured Eγ, Iγ, fusion and evaporation residue σ; deduced spin distributions for residual nuclei, fission hindrance.
doi: 10.1103/PhysRevC.74.064603
2005BA96 Phys.Rev. C 72, 044602 (2005) S.Barua, J.J.Das, A.Jhingan, N.Madhavan, T.Varughese, P.Sugathan, K.Kalita, S.Verma, B.Bhattacharjee, S.K.Datta, K.Boruah Investigation of scattering between mirror nuclei 7Be and 7Li NUCLEAR REACTIONS 7Li(7Be, 7Be), E(cm)=8.87, 9.87 MeV; measured σ(θ); deduced optical model parameters.
doi: 10.1103/PhysRevC.72.044602
2005CH65 Phys.Rev. C 72, 054309 (2005) A.Chakraborty, Krishichayan, S.S.Ghugre, R.Goswami, S.Mukhopadhyay, N.S.Pattabiraman, S.Ray, A.K.Sinha, S.Sarkar, P.V.Madhusudhana Rao, U.Garg, S.K.Basu, M.B.Chatterjee, M.S.Sarkar, L.Chaturvedi, A.Dhal, R.K.Sinha, I.M.Govil, R.K.Bhowmik, A.Jhingan, N.Madhavan, S.Muralithar, S.Nath, R.P.Singh, P.Sugathan Spectroscopy of 90Nb at high spin NUCLEAR REACTIONS 63Cu(31P, n3p), E=120, 125 MeV; measured prompt and delayed Eγ, Iγ, γγ-, (recoil)γ-coin. 90Nb deduced levels, J, π, configurations, isomeric states T1/2, B(E2). Large-basis shell model calculations.
doi: 10.1103/PhysRevC.72.054309
2005DA41 Nucl.Instrum.Methods Phys.Res. B241, 953 (2005) J.J.Das, P.Sugathan, N.Madhavan, P.V.Madhusudhana Rao, A.Jhingan, T.Varughese, S.Barua, S.Nath, A.K.Sinha, B.Kumar, J.Zacharias Production of light radioactive ion beams (RIB) using inverse kinematics NUCLEAR REACTIONS H, C(7Li, X)7Be, E ≈ 25-30 MeV; measured yields.
doi: 10.1016/j.nimb.2005.07.201
2005SI31 Eur.Phys.J. A 25, 345 (2005) K.Singh, Z.Naik, R.Kumar, J.Goswamy, D.Mehta, N.Singh, C.R.Praharaj, E.S.Paul, K.P.Singh, R.P.Singh, S.Muralithar, N.Madhavan, J.J.Das, S.Nath, A.Jhingan, P.Sugathan, R.K.Bhowmik Rotational structures in 123Cs NUCLEAR REACTIONS 100Mo(28Si, 4np), E=130 MeV; measured Eγ, Iγ, γγ-coin. 123Cs deduced high-spin levels, J, π, configurations. Total Routhian surface calculations.
doi: 10.1140/epja/i2005-10131-2
2004BB07 Nucl.Phys. A746, 467c (2004) S.Barua, J.J.Das, A.Jhingan, T.Varughese, N.Madhavan, P.Sugathan, S.Verma, K.Kalita, B.Bhattacharjee, S.K.Datta, K.Boruah Study of elastic scattering of mirror nuclei 7Be + 7Li NUCLEAR REACTIONS 7Li(7Be, 7Be), E=21 MeV; measured σ(θ); deduced reaction mechanism features.
doi: 10.1016/j.nuclphysa.2004.09.144
2004CH35 Phys.Rev. C 70, 014311 (2004) A.Chakraborty, Krishichayan, S.S.Ghugre, R.Goswami, S.Mukhopadhyay, N.S.Pattabiraman, S.Ray, A.K.Sinha, S.Sarkar, P.V.M.Rao, U.Garg, S.K.Basu, L.Chaturvedi, A.Dhal, R.K.Sinha, I.M.Govil, M.B.Chatterjee, M.S.Sarkar, R.K.Bhowmik, A.Jhingan, N.Madhavan, S.Muralithar, S.Nath, R.P.Singh, P.Sugathan Lifetime measurements of microsecond isomers in the N = 48 nuclei 88Zr and 90Mo using recoil-isomer tagging NUCLEAR REACTIONS 63Cu(31P, xnyp)90Mo/88Zr, E=120 MeV; measured prompt and delayed Eγ, Iγ, γγ-, (recoil)γ-coin. 90Mo, 88Zr deduced isomeric states T1/2, B(E2). Recoil-isomer tagging, comparison with model predictions.
doi: 10.1103/PhysRevC.70.014311
2004DA33 Nucl.Phys. A746, 561c (2004) J.J.Das, V.M.Datar, P.Sugathan, N.Madhavan, P.V.Madhusudhana Rao, A.Jhingan, A.Navin, S.K.Dhiman, S.Barua, S.Nath, T.Varughese, A.K.Sinha, R.Singh, A.Ray, D.L.Shastry, R.G.Kulkarni, R.Shyam A new measurement of d(7Be, 8B)n reaction at Ec.m. = 4.5 MeV for the extraction of S17(0) factor using ANC method NUCLEAR REACTIONS 2H(7Be, 7Be), (7Be, 8B), E(cm)=4.5 MeV; measured σ(θ); deduced parameters. 7Be(p, γ), E=low; deduced astrophysical S-factor.
doi: 10.1016/j.nuclphysa.2004.09.090
2004KR14 Phys.Rev. C 70, 044315 (2004) Krishichayan, A.Chakraborty, S.S.Ghugre, R.Goswami, S.Mukhopadhyay, N.S.Pattabiraman, S.Ray, A.K.Sinha, S.Sarkar, P.V.M.Rao, U.Garg, S.K.Basu, B.K.Yogi, L.Chaturvedi, A.Dhal, R.K.Sinha, M.S.Sarkar, S.Saha, R.Singh, R.K.Bhowmik, A.Jhingan, N.Madhavan, S.Muralithar, S.Nath, R.P.Singh, P.Sugathan High-spin states in the odd-odd nucleus 146Tb NUCLEAR REACTIONS 115In(34S, 3n), E=140 MeV; measured Eγ, Iγ, γγ-coin, γ-ray polarization. 146Tb deduced high-spin levels, J, π, configurations.
doi: 10.1103/PhysRevC.70.044315
2004SI26 Eur.Phys.J. A 21, 359 (2004) K.Singh, J.Goswamy, D.Mehta, N.Singh, R.P.Singh, S.Muralithar, E.S.Paul, K.P.Singh, N.Madhavan, J.J.Das, S.Nath, A.Jhingan, P.Sugathan, R.K.Bhowmik Band structures of the 123Cs nucleus NUCLEAR REACTIONS 100Mo(28Si, 4np), E=130 MeV; measured Eγ, Iγ, γγ-coin. 123Cs deduced high-spin levels, J, π, configurations.
doi: 10.1140/epja/i2004-10064-2
2003NA19 Yad.Fiz. 66, 1567 (2003); Phys.Atomic Nuclei 66, 1523 (2003) S.Nath, A.Jhingan, T.Varughese, J.J.Das, P.Sugathan, N.Madhavan, R.Kumar, R.P.Singh, S.Muralithar, R.K.Bhowmik, A.K.Sinha The Present and Planned Recoil Mass Spectrometers at Nuclear Science Centre, New Delhi
doi: 10.1134/1.1601760
2002TR02 Phys.Rev. C65, 014614 (2002) V.Tripathi, L.T.Baby, J.J.Das, P.Sugathan, N.Madhavan, A.K.Sinha, P.V.M.Rao, S.K.Hui, R.Singh, K.Hagino Isotopic Dependence and Channel Coupling Effects in the Fusion of 16O + 112, 116Sn and 32S + 112, 116, 120Sn at Energies Around the Barrier NUCLEAR REACTIONS 112,116Sn(16O, X), E=52-70 MeV; 112,116,120Sn(32S, X), E=110-140 MeV; measured fusion σ; deduced barrier distributions. Comparison with coupled channels calculations.
doi: 10.1103/PhysRevC.65.014614
2000BA57 Phys.Rev. C62, 014603 (2000) L.T.Baby, V.Tripathi, J.J.Das, P.Sugathan, N.Madhavan, A.K.Sinha, M.C.Radhakrishna, P.V.M.Rao, S.K.Hui, K.Hagino Role of 28Si Excitations in the Sub-Barrier Fusion of 28Si + 120Sn NUCLEAR REACTIONS 120Sn(28Si, X), E=95-125 MeV; 120Sn(16O, X), E=50-68 MeV; measured fusion σ, barrier distributions; deduced role of 28Si rotational states excitation in sub-barrier fusion enhancement. Recoil mass separator. Exact coupled-channels calculations.
doi: 10.1103/PhysRevC.62.014603
2000HU15 Phys.Rev. C62, 054604 (2000); Comment Phys.Rev. C64, 019802 (2001) S.K.Hui, C.R.Bhuinya, A.K.Ganguly, N.Madhavan, J.J.Das, P.Sugathan, D.O.Kataria, S.Murlithar, L.T.Baby, V.Tripathi, A.Jhingan, A.K.Sinha, P.V.M.Rao, N.V.S.V.Prasad, A.M.Vinodkumar, R.Singh, M.Thoennessen, G.Gervais Spin and Excitation Energy Dependence of Fission Survival for the 19F + 175Lu System NUCLEAR REACTIONS 175Lu(19F, X), E=90-139 MeV; measured evaporation residues excitation function, γ-ray multiplicities; deduced spin dependence of fission survival, dissipation effects. Comparisons with model predictions.
doi: 10.1103/PhysRevC.62.054604
2000MU23 Acta Phys.Hung.N.S. 11, 189 (2000); Erratum Acta Phys.Hung.N.S. 13, 253 (2001) B.Mukherjee, S.Muralithar, G.Mukherjee, R.P.Singh, R.Kumar, J.J.Das, P.Sugathan, N.Madhavan, P.V.M.Rao, A.K.Sinha, A.K.Pande, L.Chaturvedi, S.C.Pancholi, R.K.Bhowmik High Spin States in 70Ge NUCLEAR REACTIONS 46Ti(28Si, 4p), E=110 MeV; measured Eγ, Iγ, γγ-, (recoil)γ-coin. 70Ge deduced high-spin levels, J, π. Recoil mass spectrometer.
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1999CH24 Phys.Rev. C60, 024606 (1999) D.R.Chakrabarty, V.M.Datar, Y.K.Agarwal, C.V.K.Baba, M.S.Samant, I.Mazumdar, A.K.Sinha, P.Sugathan Hard Photon Production in p + 197Au Reaction at Ep = 27 MeV NUCLEAR REACTIONS 197Au(p, γ), E=27 MeV; measured Eγ, Iγ, σ(θ). 198Hg deduced single-particle levels, resonance widths. 12C(p, p'γ), E=27 MeV; measured Eγ, Iγ. NaI, BaF2 detectors.
doi: 10.1103/PhysRevC.60.024606
1999TR11 Pramana 53, 535 (1999) V.Tripathi, L.T.Baby, P.V.M.Rao, S.K.Hui, R.Singh, J.J.Das, P.Sugathan, N.Madhavan, A.K.Sinha Measurement of the Ground State 2n Pickup Probability for 28Si + 68Zn and Its Role in Sub-Barrier Fusion Enhancement NUCLEAR REACTIONS 68Zn(28Si, 30Si), E=78 MeV; measured ground, excited state transfer yields; deduced transfer role in sub-barrier enhancement. 68Zn(28Si, 29Si), E=78 MeV; measured transfer probability. Coupled-channels calculations. Fragment recoil separator.
doi: 10.1007/s12043-999-0026-7
1999VA20 Pramana 53, 529 (1999) K.M.Varier, A.M.Vinodkumar, N.V.S.V.Prasad, P.V.M.Rao, D.L.Sastry, L.T.Baby, M.C.Radhakrishna, N.G.Puttaswamy, J.J.Das, P.Sugathan, N.Madhavan, A.K.Sinha, D.O.Kataria Transfer Measurements for the Ti + Ni Systems at Near Barrier Energies NUCLEAR REACTIONS 64Ni(46Ti, X), (48Ti, X), E=120-142 MeV; measured one-, two-neutron transfer probability; deduced effect on fusion σ.
doi: 10.1007/s12043-999-0025-8
1998GO04 Phys.Rev. C57, 1269 (1998) I.M.Govil, R.Singh, A.Kumar, J.Kaur, A.K.Sinha, N.Madhavan, D.O.Kataria, P.Sugathan, S.K.Kataria, K.Kumar, B.John, G.V.Ravi Prasad α-Particle Emission as a Probe of Dynamical Deformations NUCLEAR REACTIONS 51V(28Si, αX), (28Si, pX), E=140 MeV; measured α, p σ(E, θ), (particle)(recoil)-coin; deduced dynamical deformation effects. Statistical model calculations.
doi: 10.1103/PhysRevC.57.1269
1998MA85 Nucl.Instrum.Methods Phys.Res. A417, 297 (1998) I.Mazumdar, P.Sugathan, J.J.Das, D.O.Kataria, N.Madhavan, A.K.Sinha A Large High-Energy Gamma-Ray Spectrometer at NSC NUCLEAR REACTIONS 11B(p, γ), E=7.2 MeV; measured Eγ, Iγ; deduced detector response. 197Au(p, p'), E=27 MeV; measured Eγ, Iγ; deduced nuclear-nuclear bremsstrahlung contribution. 105Pd(28Si, X), E=120, 140 MeV; measured Eγ, Iγ. 133Nd deduced GDR decay spin dependence features. NaI high-energy gamma ray spectrometer.
doi: 10.1016/S0168-9002(98)00737-2
1997BA59 Phys.Rev. C56, 1936 (1997) L.T.Baby, V.Tripathi, D.O.Kataria, J.J.Das, P.Sugathan, N.Madhavan, A.K.Sinha, M.C.Radhakrishna, N.M.Badiger, N.G.Puttaswamy, A.M.Vinodkumar, N.V.S.V.Prasad Transfer and Higher-Order Phonon Coupling Effects in the Sub-Barrier Fusion of 28Si and 93Nb NUCLEAR REACTIONS, ICPND 93Nb(28Si, X), E=88-118 MeV; measured fusion σ, one-, two-nucleon transfer probabilities; deduced anomalous sub-barrier enhancement. Recoil mass separator. Coupled-channels calculations, semiclassical approximation.
doi: 10.1103/PhysRevC.56.1936
1997KA48 Phys.Rev. C56, 1902 (1997) D.O.Kataria, A.K.Sinha, J.J.Das, N.Madhavan, P.Sugathan, L.T.Baby, I.Mazumdar, R.Singh, C.V.K.Baba, Y.K.Agarwal, A.M.Vinodkumar, K.M.Varier One- and Two-Nucleon Transfer in the 28Si + 68Zn System at Energies Below the Coulomb Barrier NUCLEAR REACTIONS, ICPND 68Zn(28Si, 29Si), (28Si, 30Si), (28Si, 27Al), (28Si, 26Mg), E=65-83 MeV; measured target-like fragment mass, E, yield; deduced two-nucleon transfer related features. 68Zn(28Si, X), E=50-70 MeV; calculated fusion σ(E). 28Si, 68Zn levels deduced β2, β3. Recoil mass separator. Semiclassical theory, coupled-channels calculations.
doi: 10.1103/PhysRevC.56.1902
1997SI26 J.Phys.(London) G23, 1331 (1997) A.K.Sinha, L.T.Baby, N.Badiger, J.J.Das, S.K.Hui, D.O.Kataria, R.G.Kulkarni, N.Madhavan, P.V.M.Rao, I.Majumdar, M.C.Radhakrishna, N.V.S.V.Prasad, N.G.Puttaswamy, P.Shakeeb, R.Singh, D.L.Shastry, P.Sugathan, V.Tripathi, K.M.Varier, A.M.Vinodkumar Sub-Barrier Few-Nucleon Transfer Reaction and Channel Coupling Effects in Heavy Ion Fusion NUCLEAR REACTIONS, ICPND 64Ni(32S, X), E not given; measured transfer reaction probabilities; 64Ni(28Si, X), E(cm)=45-65 MeV; 144Nd(28Si, X), E=110-135 MeV; measured fusion, transfer σ. HIRA recoil mass separator. Coupled-channel calculations.
doi: 10.1088/0954-3899/23/10/022
1996KA55 Nucl.Instrum.Methods Phys.Res. A372, 311 (1996) D.O.Kataria, J.J.Das, N.Madhavan, P.Sugathan, A.K.Sinha, G.Dayanand, M.C.Radhakrishna, A.M.Vinodkumar, K.M.Varier, M.Singh, N.V.S.V.Prasad A Modular Focal Plane Detector System for the Heavy Ion Reaction Analyzer at NSC, New Delhi NUCLEAR REACTIONS 48Ti(32S, X), E=80 MeV; 68Zn(28Si, X), E=78 MeV; 60Ni(48Ti, X), E=160 MeV; 27Al(28Si, X), E=150 MeV; measured evaporation residue energy spectra; deduced detector characteristics. Low pressure multi-wire proportional counter plus split anode ionization detector.
doi: 10.1016/0168-9002(95)01242-7
1996PR05 Nucl.Phys. A603, 176 (1996) N.V.S.V.Prasad, A.M.Vinodkumar, A.K.Sinha, K.M.Varier, D.L.Sastry, N.Madhavan, P.Sugathan, D.O.Kataria, J.J.Das Study of Transfer Channel Coupling and Entrance Channel Effects for the Near and Sub-Barrier Fusion of 46Ti + 64Ni, 50Ti + 60Ni and 19F + 93Nb Systems NUCLEAR REACTIONS 64Ni(46Ti, X), E(cm)=72.7-92.3 MeV; 60Ni(50Ti, X), E(cm)=72.6-90.8 MeV; 93Nb(19F, X), E(cm)=44.4-59.4 MeV; measured σ(evaporation residue), σ(E). 93Nb(19F, X), E=57, 60 MeV; measured σ(E), transfer reaction. Self-supporting foils, recoil mass separator, multi-wire proportional counter.
doi: 10.1016/0375-9474(96)00110-8
1996VI01 Phys.Rev. C53, 803 (1996) A.M.Vinodkumar, K.M.Varier, N.V.S.V.Prasad, D.L.Sastry, A.K.Sinha, N.Madhavan, P.Sugathan, D.O.Kataria, J.J.Das Absence of Isotopic Dependence in the Sub-Barrier Fusion of 48Ti + 58,60,64Ni System NUCLEAR REACTIONS, ICPND 48Ti(58Ni, X), (60Ni, X), (64Ni, X), E=72-95 MeV; measured Eγ, Iγ, evaporation residue σ; deduced average spin distributions, fusion σ(E). Recoil mass seperator, enriched targets. Coupled-channels calculations.
doi: 10.1103/PhysRevC.53.803
1996VI05 Phys.Rev. C54, 791 (1996) A.M.Vinodkumar, A.K.Sinha, N.V.S.V.Prasad, K.M.Varier, P.Sugathan Fusion Systematics in the Barrier Region using the Neutron Flow Model NUCLEAR STRUCTURE A=64-208; analyzed heavy-ion induced fusion reaction data for targets from 64Ni-208Pb; deduced intersurface distance, barrier distribution width related features.
doi: 10.1103/PhysRevC.54.791
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