NSR Query Results
Output year order : Descending NSR database version of April 11, 2024. Search: Author = D.C.Biswas Found 78 matches. 2022GU19 Phys.Lett. B 834, 137452 (2022) Y.K.Gupta, G.K.Prajapati, B.V.John, B.N.Joshi, L.S.Danu, S.Dubey, S.Mukhopadhyay, N.Kumar, K.Mahata, K.Ramachandran, A.Jhingan, M.Kumar, N.Deshmukh, A.S.Pradeep, B.K.Nayak, D.C.Biswas New signature of non-equilibrium fission from pre-scission α-particle emission NUCLEAR REACTIONS 232Th(16O, F)4H, E=96 MeV; measured reaction products, Eα, Iα, Ep, Ip, Eγ, Iγ; deduced pre-scission α-particle multiplicity spectra, fission time. Comparison with statistical model calculations. BARC-TIFR 14-MV Pelletron accelerator facility at Mumbai.
doi: 10.1016/j.physletb.2022.137452
2021DE09 Phys.Rev. C 103, 044322 (2021) A.Dey, D.C.Biswas, A.Chakraborty, S.Mukhopadhyay, A.K.Mondal, L.S.Danu, B.Mukherjee, S.Garg, B.Maheshwari, A.K.Jain, A.Blanc, G.de France, M.Jentschel, U.Koster, S.Leoni, P.Mutti, G.Simpson, T.Soldner, C.A.Ur, and W.Urban Measurement of relative isotopic yield distribution of even-even fission fragments from 235U(nth, f) following γ-ray spectroscopy NUCLEAR REACTIONS 235U(n, F)86Se/88Se/88Kr/90Kr/92Kr/92Sr/94Sr/96Sr/96Zr/98Zr/100Zr/102Zr/104Mo/106Mo/130Sn/132Sn/132Te/136Xe/138Xe/140Xe/144Ba/146Ba/144Ce, E=thermal; measured Eγ, Iγ, γγ- and γγγ-coin using the EXILL array of eight EXOGAM Clover detectors, six large coaxial detectors from GASP, and two clovers at ILL-Grenoble for γ detection; deduced relative isotopic yield distributions of the even-even neutron-rich fission fragments. Z=34-54, A=86-142; assigned values of the third component of isospins T3 and total isospins for all the possible even-even fission fragments produced in the 235U(n, F), E=thermal reaction. Comparison with theoretical calculations using the semiempirical GEF model, and isospin conservation (ISCF) approach.
doi: 10.1103/PhysRevC.103.044322
2021JO07 Nucl.Phys. A1016, 122320 (2021) B.N.Joshi, Arun K.Jain, D.C.Biswas, B.V.John, Y.K.Gupta, L.S.Danu, R.P.Vind, G.K.Prajapati, S.Mukhopadhyay, N.Kumar Direct 16O-cluster knockout from 24Mg(g.s.) NUCLEAR REACTIONS 24Mg(16O, 216O)8Be, E=127, 119 MeV; measured reaction products; deduced σ(θ, E). Comparison with FR-DWIA calculations. BARC-TIFR Pelletron LINAC facility.
doi: 10.1016/j.nuclphysa.2021.122320
2021PA30 Phys.Rev. C 104, 024604 (2021) D.Paul, A.Sen, T.K.Ghosh, Md.M.Shaikh, K.Atreya, R.Santra, S.Kundu, T.K.Rana, K.Banerjee, C.Bhattacharya, S.Bhattacharya, J.K.Meena, D.C.Biswas, B.N.Joshi, N.Kumar, G.K.Prajapati, Y.K.Gupta, K.Mahata, K.Ramachandran, S.Pal Fission fragment mass and folding angle distributions in the reaction 9Be +238U NUCLEAR REACTIONS 238U(9Be, F), E=37.5, 39, 42, 47 MeV pulsed beam from BARC-TIFR Pelletron facility in Mumbai; measured fission fragments, σ(E) using two position-sensitive multiwire proportional counters (MWPC) and time-of-flight (TOF) method; deduced folding angle distributions, yields, fission fragment mass distributions, σ(E)(exp)/σ(E)(theory), incomplete fusion fission (ICF) σ(E), half-mass distribution in the fission of the compound nucleus 247Cm at 47 MeV. Comparison with experimental results from 6,7Li-induced reactions on actinide targets, and 238U(p, F), (α, F) and 232Th(12C, F) reactions. Comparison with semiempirical theoretical calculation using GEF code, and with macro-microscopic two-center shell model calculations, considering the admixture of incomplete fusion fission mechanism.
doi: 10.1103/PhysRevC.104.024604
2020MU08 Nucl.Phys. A1000, 121785 (2020) S.Mukhopadhyay, D.C.Biswas, L.S.Danu, R.Chakrabarti, U.Garg, S.K.Tandel, Y.K.Gupta, B.N.Joshi, G.K.Prajapati, B.V.John, S.Saha, J.Sethi, R.Palit Lifetime measurement and shell model description of negative parity states up to band-termination in 49V
doi: 10.1016/j.nuclphysa.2020.121785
2020PA45 Phys.Rev. C 102, 054604 (2020) D.Paul, A.Sen, T.K.Ghosh, Md.M.Shaikh, K.Atreya, S.Kundu, K.Banerjee, C.Bhattacharya, S.Bhattacharya, J.K.Meena, D.C.Biswas, B.N.Joshi, N.Kumar, G.K.Prajapati, Y.K.Gupta, K.Mahata, K.Ramachandran, S.Pal Measurement of fragment-mass distributions from fission of 214At following the 9Be + 205Tl reaction NUCLEAR REACTIONS 205Tl(9Be, X)214At*, E=42, 43.5, 45, 47 MeV; measured reaction products, yields, time-of-flight difference of the fission fragments, Angular correlations using two position-sensitive multiwire proportional counters (MWPC) at the BARC-TIFR Pelletron facility; deduced fission-fragments mass distributions, half-mass yield distribution, slight asymmetric mass distribution. Comparison with theoretical predictions from a recent macroscopic-microscopic calculation.
doi: 10.1103/PhysRevC.102.054604
2020PR13 Phys.Rev. C 102, 054605 (2020) G.K.Prajapati, Y.K.Gupta, B.V.John, B.N.Joshi, H.Kaur, N.Kumar, L.S.Danu, S.Mukhopadhyay, S.Dubey, S.R.Jain, D.C.Biswas, B.K.Nayak Temperature and isospin dependence of the level-density parameter in the A ≈ 110 mass region NUCLEAR REACTIONS 94Mo(16O, X)110Sn*, E=55, 60, 70, 75, 80 MeV; 100Mo(16O, X)116Sn*, E=55, 60, 70, 75, 80, 95.5, 104.9, 114.6, 124.6, 136.6 MeV; measured reaction products, Eα, Iα, angular distributions using CsI(Tl) detectors in a Charge Particle Detector Array at the BARC-TIFR Pelletron Linac Accelerator facility; deduced double-differential σ(Eα), averaged α-particle energy spectra, inverse level-density parameter for Cd nuclei as a function of temperature and isospin. Statistical model analysis of experimental data using PACE2 code.
doi: 10.1103/PhysRevC.102.054605
2019KU10 Phys.Rev. C 99, 041602 (2019) N.Kumar, D.C.Biswas, T.K.Ghosh, J.Sadhukhan, B.N.Joshi, Y.K.Gupta, R.P.Vind, G.K.Prajapati, S.Dubey, L.S.Danu, S.Mukhopadhyay, K.Mahata, B.V.John, S.Sodaye Role of quasifission in fission fragment mass distributions for the 28Si + 197Au reaction NUCLEAR REACTIONS 197Au(28Si, X), E=135.4-180.0 MeV; measured yields mass distribution and time correlation of fission fragments, distribution of ratio of parallel components as a function of mass ratio, variance of fission fragment mass distribution as a function of beam energy using two position-sensitive multiwire proportional counters (MWPCs) at Pelletron-LINAC facility of TIFR, Mumbai. Comparison with dynamical and statistical model calculations. 225Np; calculated potential energy surface (PES). Discussed role of quasifission process in fission fragment mass distribution.
doi: 10.1103/PhysRevC.99.041602
2018GU16 Phys.Rev. C 98, 041601 (2018) Y.K.Gupta, D.C.Biswas, G.K.Prajapati, L.S.Danu, B.N.Joshi, S.Mukhopadhyay, B.V.John, S.Dubey, Si.Chettri, N.Kumar, R.P.Vind, S.Mukherjee Affirmation of transfer-breakup as a source for α particle emission in 12, 13C + 232Th fission reactions NUCLEAR REACTIONS 232Th(12C, F), (13C, F), E=74.5 MeV; measured reaction products and fission fragments, Eα, Iα, α(θ), (fragment)α-coin, α-particle multiplicity spectra by moving source disentangling analysis (MSDA) using position sensitive ionization chambers and hybrid detector telescope for fission fragment and α detection at BARC-TIFR 14-MV Pelletron accelerator facility; deduced compound nucleus excitation energy, Qα and S(n), α-particle multiplicity contributions, complementary fission fragment, near-scission emission, excess α-particle emission from α-transfer induced fission by α-particle transfer following breakup of 8Be into two α particles.
doi: 10.1103/PhysRevC.98.041601
2017CH15 Acta Phys.Pol. B48, 337 (2017) S.K.Chamoli, A.Rohilla, C.K.Gupta, R.P.Singh, S.Muralithar, S.Chakraborty, H.P.Sharma, A.Kumar, I.M.Govil, D.C.Biswas Investigating Prolate-Oblate Shape Inversion in Pt Nuclei Near A - 188 NUCLEAR REACTIONS 174Yb(18O, 2n), E=79 MeV; measured Eγ, Iγ using GDA (Gamma Detector Array) setup; deduced B(E2) vs spin, γ transitions near the yrast band, shifted and unshifted components of γ-ray transitions up to spin 12+, level population using set of Bateman equations, quadrupole moment, changing of nuclear shape of 188Pt at low spins; calculated B(E2) for states up to 45+ state using CHFB and IBM for oblate and prolate shapes; deduced absolute β2 deformation from the fit to measured data.
doi: 10.5506/APhysPolB.48.337
2017GU18 Phys.Rev. C 96, 014608 (2017) Y.K.Gupta, D.C.Biswas, O.Serot, D.Bernard, O.Litaize, S.Julien-Laferriere, A.Chebboubi, G.Kessedjian, C.Sage, A.Blanc, H.Faust, U.Koster, A.Ebran, L.Mathieu, A.Letourneau, T.Materna, S.Panebianco Fission fragment yield distribution in the heavy-mass region from the 239Pu (nth, f) reaction NUCLEAR REACTIONS 239Pu(n, F), E=thermal; measured fission fragments in A=126 to 150 range using the Lohengrin recoil-mass spectrometer at ILL-Grenoble high-flux reactor facility; deduced distributions of kinetic energies and ionic charge, relative mass yields in three independent experiments. Comparison with JEFF-3.1.1 fission yield evaluation, and with predictions of Monte Carlo nuclear fission models using GEF and FIFRELIN codes.
doi: 10.1103/PhysRevC.96.014608
2017JO03 Pramana 88, 29 (2017) B.N.Joshi, A.K.Jain, D.C.Biswas, B.V.John, Y.K.Gupta, L.S.Danu, R.P.Vind, R.P.Vind, G.K.Prajapati, S.Mukhopadhyay, A.Saxena Search for 12C+12C clustering in 24Mg ground state NUCLEAR REACTIONS 24Mg(12C, 212C)12C, E=104 MeV; measured reaction products; deduced σ(θ, E). Comparison with theoretical calculations.
doi: 10.1007/s12043-016-1331-6
2017MU12 Phys.Rev. C 96, 014315 (2017); Pub. Note Phys.Rev. C 96, 019901 (2017) S.Mukhopadhyay, D.C.Biswas, S.K.Tandel, S.Frauendorf, L.S.Danu, P.N.Prashanth, B.N.Joshi, G.K.Prajapati, B.V.John, S.Nag, T.Trivedi, S.Saha, J.Sethi, R.Palit, P.K.Joshi Semi-decoupled band and other high-spin band structures in 188Pt NUCLEAR REACTIONS 174Yb(18O, 4n)188Pt, E=85 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO), γγ(linear pol)(IPDCO) using the INGA array at the Pelletron-Linac facility of TIFR-Mumbai. 188Pt; deduced high-spin levels, J, π, multipolarities, bands, semi-decoupled band, alignments, staggering. Comparison with cranking model calculations. Systematics of staggering and negative-parity sequences based on 5- in 186,188,190,192,194,196Pt.
doi: 10.1103/PhysRevC.96.014315
2017PA46 Chin.Phys.C 41, 104001 (2017) D.Patel, S.Mukherjee, N.Deshmukh, J.Lubian, J.-S.Wang, T.Correa, B.K.Nayak, Y.-Y.Yang, W.i-H.Ma, D.C.Biswas, Y.K.Gupta, S.Santra, E.T.Mirgule, L.S.Danu, N.L.Singh, A.Saxena Influence of breakup on elastic and α-production channels in the 6Li+ 116Sn reaction NUCLEAR REACTIONS 116Sn(6Li, X)4H, E=22-40 MeV; measured reaction products, Eα, Iα; deduced σ(θ). Comparison with the predictions of continuum-discretized coupled channels (CDCC) calculations.
doi: 10.1088/1674-1137/41/10/104001
2017RO07 Eur.Phys.J. A 53, 64 (2017) A.Rohilla, C.K.Gupta, R.P.Singh, S.Muralithar, S.Chakraborty, H.P.Sharma, A.Kumar, I.M.Govil, D.C.Biswas, S.K.Chamoli Lifetime measurements in shape transition nucleus 188Pt NUCLEAR REACTIONS 174Yb(18O, 4n), E=79 MeV; measured Eγ, Iγ using Gamma Detector Array of 6 HPGe and BGO multiplicity filter; deduced yrast band γ-ray transitions, yrast band quadrupole moment, B(E2), γ transitions T1/2 using LIFETIME code; calculated equilibrium shape, deformation, quadrupole moment for the yrast band using TRS (Total Routhian Surface), B(E2) using TPSM (Triaxial Projected Shell Model) and TRS (Total Routhian Surface).
doi: 10.1140/epja/i2017-12256-y
2016BI02 Phys.Rev. C 93, 034324 (2016) S.Biswas, R.Palit, A.Navin, M.Rejmund, A.Bisoi, M.S.Sarkar, S.Sarkar, S.Bhattacharyya, D.C.Biswas, M.Caamano, M.P.Carpenter, D.Choudhury, E.Clement, L.S.Danu, O.Delaune, F.Farget, G.de France, S.S.Hota, B.Jacquot, A.Lemasson, S.Mukhopadhyay, V.Nanal, R.G.Pillay, S.Saha, J.Sethi, P.Singh, P.C.Srivastava, S.K.Tandel Structure of 13252Te80: The two-particle and two-hole spectrum of 13250Sn82 NUCLEAR REACTIONS 232Th(7Li, F)132Te, E=5.4 MeV/nucleon; 9Be(238U, F), E=6.2 MeV/nucleon; measured Eγ, Iγ, γγ-coin, γγ(t), (fragment)γ-, (fragment)γγ-coin, γγ(θ) using INGA array at TIFR-BARC Pelletron LINAC facility for (7Li, F) reaction, and EXOGAM-VAMOS++ system at GANIL for (238U, F) reaction. 132Te; deduced high-spin levels, J, π, multipolarity, configurations, proton and neutron wavefunction amplitudes, p-n correlations at high spin. Comparison with shell-model calculations using jj55pna and modified jj55pna interactions. Systematics of positive-parity level energies in 122,124,126,128,130,132,134,136Te. NUCLEAR STRUCTURE 132Te; calculated levels, J, π, proton and neutron wavefunction amplitudes, decomposition of the total angular momentum of positive- and negative-parity states using shell model jj55pna and modified jj55pna interactions. Comparison with experimental values. 132Te, 130Sn; 130Te, 128Sn; 128Te, 126Sn; deduced energy differences between the experimental and calculated energy levels of positive-parity as a function of spin, with calculations using shell model.
doi: 10.1103/PhysRevC.93.034324
2016DU25 Phys.Rev. C 94, 064610 (2016) S.Dubey, D.C.Biswas, S.Mukherjee, D.Patel, Y.K.Gupta, G.K.Prajapati, B.N.Joshi, L.S.Danu, S.Mukhopadhyay, B.V.John, S.V.Suryanarayana, R.P.Vind Quasi-elastic scattering and transfer angular distribution for 10, 11B + 232Th systems at near-barrier energies NUCLEAR REACTIONS 232Th(11B, 11B'), (11B, X), E=52, 53, 54, 55, 56, 57, 59, 61, 65 MeV; 232Th(10B, 10B'), (10B, X), E=49, 51, 52, 53, 54, 55, 56, 57, 59, 61, 65 MeV; measured outgoing particles, quasielastic σ(θ, E), transfer σ(E) for 12,13C, 9,10Be, 6,7Li, and reaction σ(E) at 14UD BARC-TIFR Pelletron facility; deduced optical model parameters, energy dependence of the real and imaginary potentials, reduced reaction cross sections. Optical model analysis using code ECIS with phenomenological Woods-Saxon potentials.
doi: 10.1103/PhysRevC.94.064610
2016RO06 Pramana 86, 97 (2016) B.J.Roy, A.Parmar, T.Nandi, B.Mohanty, M.Oswal, S.Klumar, A.Jhingan, V.Jha, D.C.Biswas Measurement of multinucleon transfer cross-sections in 58Ni, 56Fe(12C, x); x: 13, 11C, 11, 10B, 10, 9, 7Be, 8Beg.s. and 7, 6Li at E(12C) = 60 MeV NUCLEAR REACTIONS 58Ni(12C, 13C), (12C, 11C), (12C, 11B), (12C, 10B), (12C, 10Be), (12C, 9Be), (12C, 7Be), (12C, 7Li), (12C, 6Li), E=60 MeV; measured reaction products, Eα, Iα; deduced σ(θ), parameters, transfer probabilities. The optical model (OM) search code SFRESCO, comparison with available data.
doi: 10.1007/s12043-015-0965-0
2015BA33 Phys.Rev. C 92, 024318 (2015) P.Banerjee, S.Ganguly, M.K.Pradhan, Md.M.Shaikh, H.P.Sharma, S.Chakraborty, R.Palit, R.G.Pillay, V.Nanal, S.Saha, J.Sethi, D.C.Biswas γ-ray spectroscopy of fission fragments produced in 208Pb(18O, f) NUCLEAR REACTIONS 208Pb(18O, F), E=90 MeV; measured Eγ, Iγ, γγ-coin, average total neutron multiplicity during fission, relative isotopic yields of fission fragments and fragment mass distribution by detecting prompt γ rays using INGA array at BARC-TIFR Pelletron LINAC facility. 110Pd, 116Cd; deduced high-spin levels, J, π, bands, configuration. 104Mo; observed γ.
doi: 10.1103/PhysRevC.92.024318
2015CH05 Phys.Rev. C 91, 014318 (2015) D.Choudhury, R.Palit, P.Singh, J.Sethi, S.Saha, S.Biswas, H.C.Jain, V.Nanal, R.G.Pillay, R.Donthi, S.K.Jadhav, B.S.Naidu, B.Maheshwari, A.K.Jain, S.C.Pancholi, R.P.Singh, S.Mukhopadhyay, D.C.Biswas, L.S.Danu, S.K.Tandel, L.Chaturvedi, K.R.Devi, S.Singh Role of neutrons in the coexistence of magnetic and antimagnetic rotation bands in 107Cd NUCLEAR REACTIONS 94Zr(18O, 5n), E=90 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO), γγ(linear pol), level half-lives by DSAM using INGA array at TIFR-BARC Pelletron-Linac facility. 107Cd; deduced levels, J, π, multipolarity, configuration, B(M1), alignment plots, magnetic (shears) and antimagnetic rotational (MR and AMR) bands. Comparison with tilted axis cranking and semiclassical model (SCM) calculations.
doi: 10.1103/PhysRevC.91.014318
2015CH55 Phys.Rev. C 92, 041601 (2015) A.Chaudhuri, T.K.Ghosh, K.Banerjee, S.Bhattacharya, J.Sadhukhan, S.Kundu, C.Bhattacharya, J.K.Meena, G.Mukherjee, A.K.Saha, Md.A.Asgar, A.Dey, S.Manna, R.Pandey, T.K.Rana, P.Roy, T.Roy, V.Srivastava, P.Bhattacharya, D.C.Biswas, B.N.Joshi, K.Mahata, A.Shrivastava, R.P.Vind, S.Pal, B.R.Behera, V.Singh No influence of a N=126 neutron-shell closure in fission-fragment mass distributions NUCLEAR REACTIONS 194Pt(12C, F)206Po*, 198Pt(12C, F)210Po*, E=58-78 MeV; measured fission fragment spectra, distributions of folding angles and mass distributions of complementary fission fragments using multi-wire proportional counters (MWPC) at BARC-TIFR Pelletron facility; deduced effect of shell correction in the saddle ridge on the mass distribution of fission fragments, no evidence for the modification of potential energy surface at the saddle point due to N=126 neutron shell closure in 210Po.
doi: 10.1103/PhysRevC.92.041601
2015DA13 Pramana 85, 379 (2015) L.S.Danu, D.C.Biswas, B.K.Nayak, R.K.Choudhury Fission fragment mass distributions via prompt γ-ray spectroscopy NUCLEAR REACTIONS 238U(18O, X), E=100 MeV; measured reaction products, Eγ, Iγ; deduced relative yield distribution of various fission fragments, fission fragment mass distributions. Comparison with available data.
doi: 10.1007/s12043-015-1052-2
2015PA26 Phys.Rev. C 91, 054614 (2015) D.Patel, S.Mukherjee, D.C.Biswas, B.K.Nayak, Y.K.Gupta, L.S.Danu, S.Santra, E.T.Mirgule Investigation of the threshold anomaly for the 7Li + 159Tb system NUCLEAR REACTIONS 159Tb(7Li, 7Li), E=24, 26, 28, 30, 35, 40, 44 MeV; measured elastically scattered 7Li spectra, σ(θ, E)(elastic)/σ(Rutherford) at BARC-TIFR Pelletron facility. Optical-model analysis using the Woods-Saxon potential. Comparison with Continuum-discretized coupled-channels calculations using FRESCO computer code with and without breakup couplings. Reduced reaction cross sections compared with previous experimental results of cross sections involving 7Li and 16O projectiles and different targets.
doi: 10.1103/PhysRevC.91.054614
2014DU02 Phys.Rev. C 89, 014610 (2014) S.Dubey, S.Mukherjee, D.C.Biswas, B.K.Nayak, D.Patel, G.K.Prajapati, Y.K.Gupta, B.N.Joshi, L.S.Danu, S.Mukhopadhyay, B.V.John, V.V.Desai, S.V.Suryanarayana, R.P.Vind, N.N.Deshmukh, S.Appnnababu, P.M.Prajapati Effect of breakup processes on the near-barrier elastic scattering of the 6, 7Li + 232Th systems NUCLEAR REACTIONS 232Th(6Li, 6Li), (7Li, 7Li), E=24, 26, 30, 32, 35, 40, 44 MeV; measured scattered 6,7Li particle spectra, σ(E, θ), total fusion and reaction σ(E) using ΔE-E telescopes at BARC-TIFR pelletron accelerator facility; analyzed data by optical potential model ECIS code with Woods-Saxon and Sao Paulo potentials. Indication of breakup threshold anomaly for 6Li scattering. Discussed role of projectile breakup on reaction mechanism.
doi: 10.1103/PhysRevC.89.014610
2014MU08 Nucl.Data Sheets 119, 217 (2014) E.Murray, A.G.Smith, A.J.Pollitt, J.Matarranz, I.Tsekhanovich, T.Soldner, U.Koster, D.C.Biswas Measurement of Gamma Energy Distributions and Multiplicities Using STEFF NUCLEAR REACTIONS 235U(n, F), E=thermal; measured Eγ, Iγ, γγ-coin using STEFF (SpecTrometer for Exotic Fission Fragments) with NaI and NE213 detectors; deduced γ multiplicity, mass and charge yields.
doi: 10.1016/j.nds.2014.08.060
2014MU12 Phys.Lett. B 739, 462 (2014) S.Mukhopadhyay, D.C.Biswas, S.K.Tandel, L.S.Danu, B.N.Joshi, G.K.Prajapati, S.Nag, T.Trivedi, S.Saha, J.Sethi, R.Palit, P.K.Joshi Coexisting shape- and high-K isomers in the shape transitional nucleus188Pt NUCLEAR REACTIONS 174Yb(18O, 4n)188Pt, E=85 MeV; measured reaction products, Eγ, Iγ, γ-γ-coin.; deduced energy levels, J, π, B(E2), K-isomeric states, shape evolution, yrast positive parity structure. Comparison with available data, Ultimate Cranker calculations.
doi: 10.1016/j.physletb.2014.10.069
2014PA27 Phys.Rev. C 89, 064614 (2014) D.Patel, S.Mukherjee, B.K.Nayak, S.V.Suryanarayana, D.C.Biswas, E.T.Mirgule, Y.K.Gupta, L.S.Danu, B.V.John, A.Saxena Fusion barrier distributions in 6, 7Li + 209Bi reactions from quasi-elastic and fusion excitation function measurements NUCLEAR REACTIONS 209Bi(6Li, X), (7Li, X), E=22.0-39.0 MeV; measured particle spectra, quasi-elastic σ(E), α cross sections versus incident energy at 14UD BARC-TIFR Pelletron facility; deduced fusion barrier distributions, transmission or capture probability as a function of incident energy; calculated total reaction σ(E), integrated breakup σ(E), breakup σ(E), and fusion distributions by continuum-discretized coupled-channel (CDCC) theory using FRESCO code.
doi: 10.1103/PhysRevC.89.064614
2013DE09 Phys.Rev. C 87, 034604 (2013) V.V.Desai, B.K.Nayak, A.Saxena, D.C.Biswas, E.T.Mirgule, B.John, S.Santra, Y.K.Gupta, L.S.Danu, G.K.Prajapati, B.N.Joshi, S.Mukhopadhyay, S.Kailas, P.K.Pujari, A.Kumar, D.Patel, S.Mukherjee, P.M.Prajapati Determination of 241Pu(n, f) cross sections by the surrogate-ratio method NUCLEAR REACTIONS 238U(6Li, d), E=39.6 MeV; 232Th(6Li, d), E=39.0 MeV; measured proton, deuteron, triton, α, projectile-like fragment (PLF), and fission fragment spectra, energy loss at BARC-TIFR facility; deduced σ. 241Pu(n, F), E=16-20 MeV; deduced σ(E) using surrogate ratio method (SRM). Comparison with previous studies, and calculations using EMPIRE 3.1 code for fission barrier libraries RIPL-1 and RIPL-3, and the barrier formula (BF). Best-fit σ(E) deduced for E(n)=2-20 MeV.
doi: 10.1103/PhysRevC.87.034604
2013TA12 Phys.Rev. C 87, 034319 (2013) S.K.Tandel, M.Hemalatha, A.Y.Deo, S.B.Patel, R.Palit, T.Trivedi, J.Sethi, S.Saha, D.C.Biswas, S.Mukhopadhyay Evolution of octupole collectivity in 221Th NUCLEAR REACTIONS 208Pb(16O, 3n), E=86 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO) using INGA array at TIFR facility. 221Th; deduced high-spin levels, J, π, bands, multipolarity, moment of inertia plots, reflection-asymmetric octupole structures, intrinsic electric dipole moment. Systematics of energy splittings between positive and negative-parity states in odd-A (A=219-225) Th nuclei. Comparison with Woods-Saxon cranking calculations including octupole deformation.
doi: 10.1103/PhysRevC.87.034319
2012BI15 J.Phys.:Conf.Ser. 381, 012091 (2012) D.C.Biswas, P.Roy, Y.K.Gupta, B.N.Joshi, B.K.Nayak, L.S .Danu, B.V.John, R.P.Vind, N.Deshmukh, S.Mukherjee, A.K.Jain, R.K.Choudhury Projectile structure effects in multi-nucleon and cluster transfers in 16, 18O+164Dy, 208Pb reactions NUCLEAR REACTIONS 164Dy, 208Pb(16O, X), (18O, X), E=90, 96 MeV; measured reaction fragments using ΔE-E Si telescopes inside scattering chamber; deduced projectile-like fragments σ(θ).
doi: 10.1088/1742-6596/381/1/012091
2012DA17 Eur.Phys.J. A 48, 186 (2012) L.S.Danu, P.K.Joshi, D.C.Biswas, S.Mukhopadhyay, A.Goswami, P.N.Prashanth, L.A.Kinage, R.K.Choudhury, B.Singh Revisiting the decay scheme and half-life of 139Ba RADIOACTIVITY 139Ba(β-); measured 139La Eγ, Iγ, γγ-coin. 139Ba deduced β-decay scheme, branching ratios, log ft to individual levels. 139La deduced levels, J, π, γ transitions, branching ratios, T1/2 of individual levels. 139Ba deduced β-decay scheme, branching ratios, log ft to individual levels. Compared with other data and ENSDF.
doi: 10.1140/epja/i2012-12186-2
2012GU15 Phys.Rev. C 86, 014615 (2012) Y.K.Gupta, D.C.Biswas, B.John, B.K.Nayak, A.Chatterjee, R.K.Choudhury Enhanced α-particle emission in 12C+232Th fission due to the transfer-breakup process NUCLEAR REACTIONS 232Th(12C, X), E=69 MeV; measured Eα, α( fission fragment)-coin, α(θ), α-particle multiplicity spectra, 2α-particle spectra from 8Be breakup; deduced prefission and postfission components of a-particle emission from fits of spectra with moving-source model.
doi: 10.1103/PhysRevC.86.014615
2012MU08 Phys.Rev. C 85, 064321 (2012) S.Mukhopadhyay, L.S.Danu, D.C.Biswas, A.Goswami, P.N.Prashanth, L.A.Kinage, A.Chatterjee, R.K.Choudhury Prompt γ spectroscopic studies of fragment nuclei in thermal neutron induced fission of 235U NUCLEAR REACTIONS 235U(n, F), E=thermal; measured Eγ, Iγ, γγ-coin. 88,90Kr, 94,95,96,98Sr, 96,98,100,102Zr, 128,130,132,134,136Te, 136,137,138,139,140Xe, 140,141,142,143,144,145,146Ba; deduced yrast and near-yrast levels, J, π, isotopic yield and mean angular momentum distributions of fission fragments.
doi: 10.1103/PhysRevC.85.064321
2012SA36 Phys.Rev. C 86, 034315 (2012) S.Saha, R.Palit, J.Sethi, T.Trivedi, P.C.Srivastava, S.Kumar, B.S.Naidu, R.Donthi, S.Jadhav, D.C.Biswas, U.Garg, A.Goswami, H.C.Jain, P.K.Joshi, G.Mukherjee, Z.Naik, S.Nag, V.Nanal, R.G.Pillay, S.Saha, A.K.Singh Experimental investigation of shell-model excitations of 89Zr up to high spin NUCLEAR REACTIONS 80Se(13C, 4n)89Zr, E=50 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO), γγ(linear pol) using INGA array at TIFR Pelletron facility. 89Zr; deduced high-spin levels, J, π, multipolarity, configuration. Comparison with shell-model calculations. NUCLEAR STRUCTURE 89Zr; calculated levels, J, π, wave functions, configurations using shell-model with JUN45 and jj44b interactions.
doi: 10.1103/PhysRevC.86.034315
2012TR01 Phys.Rev. C 85, 014327 (2012) T.Trivedi, R.Palit, J.Sethi, S.Saha, S.Kumar, Z.Naik, V.V.Parkar, B.S.Naidu, A.Y.Deo, A.Raghav, P.K.Joshi, H.C.Jain, S.Sihotra, D.Mehta, A.K.Jain, D.Choudhury, D.Negi, S.Roy, S.Chattopadhyay, A.K.Singh, P.Singh, D.C.Biswas, R.K.Bhowmik, S.Muralithar, R.P.Singh, R.Kumar, K.Rani Small quadrupole deformation for the dipole bands in 112In NUCLEAR REACTIONS 100Mo(16O, 3np), E=80 MeV; measured Eγ, Iγ, γγ-coin, DCO, linear polarization, half-lives by DSAM using INGA array. 112In; deduced levels, J, π, bands, multipolarity, configuration, B(M1), magnetic-dipole rotational band. Comparison with tilted axis cranking model calculations.
doi: 10.1103/PhysRevC.85.014327
2012TR11 J.Phys.:Conf.Ser. 381, 012061 (2012) T.Trivedi, R.Palit, J.Sethi, S.Saha, S.Kumar, Z.Naik, V.V.Parkar, B.S.Naidu, A.Y.Deo, A.Raghav, P.K.Joshi, H.C.Jain, S.Sihotra, D.Mehta, A.K.Jain, D.Choudhury, D.Negi, S.Roy, S.Chattopadhyay, A.K.Singh, P.Singh, D.C.Biswas, R.K.Bhowmik, S.Muralithar, R.P.Singh, R.Kumar, K.Rani Structure of Dipole Bands in 112In: Through Lifetime Measurement NUCLEAR REACTIONS 100Mo(16O, 3np), E=80 MeV; measured reaction products, Eγ, Iγ, γ-γ-coin.; deduced B(M1), a negative-parity dipole band, 112In lifetime and magnetic rotation. Tilted axis cranking (TAC) calculations.
doi: 10.1088/1742-6596/381/1/012061
2011AP02 Phys.Rev. C 83, 067601 (2011); Pub Note Phys.Rev. C 83, 069902 (2011) S.Appannababu, R.G.Thomas, L.S.Danu, P.K.Rath, Y.K.Gupta, B.V.John, B.K.Nayak, D.C.Biswas, A.Saxena, S.Mukherjee, R.K.Choudhury Fission fragment angular distributions in the 9Be + 232Th reaction NUCLEAR REACTIONS 232Th(9Be, X), E=39, 41, 44, 50 MeV; measured fission fragment spectra, σ(E, θ). Comparison with standard statistical saddle-point model (SSPM), and the preequilibrium fission (PEQ) model. Comparison of fission anisotropies for projectiles of 7Li, 9Be, 11B, 12C, 16O and 19F on 232Th target.
doi: 10.1103/PhysRevC.83.067601
2011DE05 Phys.Rev. C 83, 024607 (2011) N.N.Deshmukh, S.Mukherjee, D.Patel, N.L.Singh, P.K.Rath, B.K.Nayak, D.C.Biswas, S.Santra, E.T.Mirgule, L.S.Danu, Y.K.Gupta, A.Saxena, R.K.Choudhury, R.Kumar, J.Lubian, C.C.Lopes, E.N.Cardozo, P.R.S.Gomes Breakup threshold anomaly in the near-barrier elastic scattering of 6Li + 116, 112Sn NUCLEAR REACTIONS 112Sn(6Li, 6Li), (6Li, X), E=21, 23, 25, 35 MeV; 116Sn(6Li, 6Li), (6Li, X), E=20, 21, 22, 23, 26, 30, 35 MeV; measured 6Li spectra by E-ΔE method; deduced elastic scattering σ and total reaction σ. Optical model analysis with phenomenological Woods-Saxon potential. Comparison of reduced cross sections with reaction cross sections for several other systems. Presence of the breakup threshold anomaly.
doi: 10.1103/PhysRevC.83.024607
2011DE29 Eur.Phys.J. A 47, 118 (2011) N.N.Deshmukh, S.Mukherjee, B.K.Nayak, D.C.Biswas, S.Santra, E.T.Mirgule, S.Appannababu, D.Patel, A.Saxena, R.K.Choudhury, J.Lubian, P.R.S.Gomes Investigation of the threshold anomaly in the near-barrier elastic scattering of 7Li on 116Sn NUCLEAR REACTIONS 116Sn(7Li, 7Li), E=18, 19, 20, 21, 22, 23, 24, 26, 30, 35 MeV; measured E(particle), I(particle, θ); calculated σ, σ(θ); deduced σ, σ(θ), optical potential parameters.
doi: 10.1140/epja/i2011-11118-0
2011GU19 Phys.Rev. C 84, 031603 (2011) Y.K.Gupta, D.C.Biswas, R.K.Choudhury, A.Saxena, B.K.Nayak, B.John, K.Ramachandran, R.G.Thomas, L.S.Danu, B.N.Joshi, K.Mahata, S.K.Pandit, A.Chatterjee Systematics of pre- and near-scission α-particle multiplicities in heavy-ion-induced fusion-fission reactions NUCLEAR REACTIONS 232Th(11B, X), E=62 MeV; measured E(α), α(fission fragment)-coin, α-particle multiplicity spectra; deduced prescission and near-scission components. Systematics of α(pre-scission) and α(near-scission) σ for Ag+37Cl, 124Sn+37Cl, 141Pr+28Si, 164,167,170Er+28Si, 175Lu+28Si, 181Ta+19F, 197Au+12C, 197Au+16O, 197Au+19F, 197Au+28Si, 208Pb+19F, 208Pb+28Si, 232Th+16O, 232Th+19F, 232Th+28Si, 232Th+40Ar systems.
doi: 10.1103/PhysRevC.84.031603
2011JO02 Phys.Rev.Lett. 106, 022501 (2011) B.N.Joshi, A.K.Jain, Y.K.Gupta, D.C.Biswas, A.Saxena, B.V.John, L.S.Danu, R.P.Vind, R.K.Choudhury Heavy Cluster Knockout Reaction 16O(12C, 212C)4He and the Nature of the 12C-12C Interaction Potential NUCLEAR REACTIONS 16O(12C, 212C), E=118.8 MeV; measured reaction products, 12C-12C-coin.; deduced σ(θ), σ(θ, E), optical potentials. Comparison with finite range DWIA framework.
doi: 10.1103/PhysRevLett.106.022501
2010DA03 Phys.Rev. C 81, 014311 (2010) L.S.Danu, D.C.Biswas, A.Saxena, A.Shrivastava, A.Chatterjee, B.K.Nayak, R.G.Thomas, R.K.Choudhury, R.Palit, I.Mazumdar, P.Datta, S.Chattopadhyay, S.Pal, S.Bhattacharya, S.Muralithar, K.S.Golda, R.K.Bhowmik, J.J.Das, R.P.Singh, N.Madhavan, J.Gerl, S.K.Patra, L.Satpathy Fine structure dips in the fission fragment mass distribution for the 238U(18O, f) reaction NUCLEAR REACTIONS 238U(18O, F)Sr/Zr/Mo/Ru/Pd/Cd/Sn/Te/Xe/Ba/Ce/Nd/Sm, E=100 MeV; measured Eγ, Iγ, γγ-coin, fission fragment mass distribution and yields of Sr (A=90-96), Zr (A=96-102), Mo (A=98-108), Ru (A=104-112), Pd (A=108-116), Cd (A=114-122), Sn (A=116-128), Te (A=124-134), Xe (A=130-138), Ba (A=136-144), Ce (A=142-148), Nd (A=146-152) and Sm (A=150-158) using INGA array. Discussed effect of nuclear structure in the dynamical evolution of fissioning nucleus. 128Te; measured Eγ and γγ-coin.
doi: 10.1103/PhysRevC.81.014311
2009GU30 Phys.Rev. C 80, 054611 (2009) Y.K.Gupta, D.C.Biswas, B.John, B.K.Nayak, A.Saxena, R.K.Choudhury Nuclear level-density parameters of nuclei in the Z ≈ 70 and A ≈ 180 mid-shell regions NUCLEAR REACTIONS 164Dy(11B, X), E=65 MeV; 164Dy(12C, X), E=74 MeV; 164Dy(16O, X), E=86 MeV; 181Ta(12C, X), E=77 MeV; measured γ-ray fold-gated α spectra; deduced differential σ and level-density parameters. Comparison with PACE2 statistical model calculations.
doi: 10.1103/PhysRevC.80.054611
2008AJ01 Phys.Rev. C 77, 021601 (2008) B.P.Ajitkumar, K.M.Varier, B.V.John, A.Saxena, B.K.Nayak, D.C.Biswas, R.G.Thomas, S.Kailas Fission fragment anisotropies for the 13C+235U system at near-Coulomb barrier energies NUCLEAR REACTIONS 235U(13C, X), E(cm)=55-85 MeV; measured fission fragment spectra, anisotropies, excitation functions. 236U(12C, X); compared fission anisotropies.
doi: 10.1103/PhysRevC.77.021601
2008AJ02 Phys.Rev. C 77, 21601 (2008) B.P.Ajitkumar, K.M.Varier, B.V.John, A.Saxena, B.K.Nayak, D.C.Biswas, R.G.Thomas, S.Kailas Fission fragment anisotropies for the 13C + 235U system at near-Coulomb barrier energies NUCLEAR REACTIONS 235U(13C, f), E=59.7-79.6 MeV; measured products; deduced σ, σ(E). Data were imported from EXFOR entry D6032.
doi: 10.1103/physrevc.77.021601
2008GU15 Phys.Rev. C 78, 054609 (2008) Y.K.Gupta, B.John, D.C.Biswas, B.K.Nayak, A.Saxena, R.K.Choudhury Angular momentum dependence of the nuclear level-density parameter around Z ∼ 50 NUCLEAR REACTIONS 93Nb(19F, X), E=73.5 MeV; 89Y(24Mg, X), E=100.5 MeV; 89Y(24Mg, X), E=106.0 MeV; 93Nb(24Mg, X), E=103.3 MeV; 115In(11B, X), E=58.0 MeV; 115In(12C, X), E=71.0 MeV; 115In(16O, X), E=80.0 MeV; measured Eγ, Iγ, Eα, Iα, σ(θ). Deduced level-density parameters.
doi: 10.1103/PhysRevC.78.054609
2008NA27 Phys.Rev. C 78, 061602 (2008) B.K.Nayak, A.Saxena, D.C.Biswas, E.T.Mirgule, B.V.John, S.Santra, R.P.Vind, R.K.Choudhury, S.Ganesan Determination of the 233Pa(n, f) reaction cross section from 11.5 to 16.5 MeV neutron energy by the hybrid surrogate ratio approach NUCLEAR REACTIONS 232Th(6Li, α), (6Li, d), E=38.0 MeV; measured fission spectra, charged particle spectra. 233Pa(n, F), E=11.5-16.5 MeV; deduced fission σ. Comparison with predictions of EMPIRE code.
doi: 10.1103/PhysRevC.78.061602
2007NA12 Phys.Rev. C 75, 054615 (2007) B.K.Nayak, R.K.Choudhury, A.Saxena, P.K.Sahu, R.G.Thomas, D.C.Biswas, B.V.John, E.T.Mirgule, Y.K.Gupta, M.Bhike, H.G.Rajprakash Evidence for Coulomb effects on the fusion barrier distribution for deformed projectile nuclei NUCLEAR REACTIONS 115In(16O, X), E=49-69 MeV; 115In(28Si, X), E=92-114 MeV; 115In(30Si, X), E=92-120 MeV; measured cross sections, quasielastic excitation functions. Deduced fusion barrier distributions.
doi: 10.1103/PhysRevC.75.054615
2005BI02 Phys.Rev. C 71, 011301 (2005); Erratum Phys.Rev. C 71, 019901 (2005) D.C.Biswas, A.G.Smith, R.M.Wall, D.Patel, G.S.Simpson, D.M.Cullen, J.L.Durell, S.J.Freeman, J.C.Lisle, J.F.Smith, B.J.Varley, T.Yousef, G.Barreau, M.Petit, Ch.Theisen, E.Bouchez, M.Houry, R.Lucas, B.Cahan, A.Le Coguie, B.J.P.Gall, O.Dorvaux, N.Schulz Lifetimes of excited states in octupole-collective 142, 144Ba nuclei RADIOACTIVITY 252Cf(SF); measured Doppler-shifted Eγ, Iγ, (particle)γ-, γγ-coin. 142,144Ba levels deduced T1/2, transition quadrupole moments. Euroball, Saphir arrays, differential Doppler shift method.
doi: 10.1103/PhysRevC.71.011301
2004FA24 Prog.Theor.Phys.(Kyoto), Suppl. 154, 417 (2004) D.Fabris, A.Saxena, G.Prete, D.V.Shetty, G.Viesti, B.K.Nayak, D.C.Biswas, R.K.Choudhury, S.S.Kapoor, M.Barbui, E.Fioretto, M.Cinausero, M.Lunardon, S.Moretto, G.Nebbia, S.Pesente, A.M.Samant, A.Brondi, G.La Rana, R.Moro, E.Vardaci, N.Gelli, F.Lucarelli Dynamical Effects in the Region of Heavy and Super-Heavy Nuclei NUCLEAR REACTIONS 232Th(28Si, X), E=340 MeV; measured transfer-induced fission yields, projectile-like fragments and neutron spectra; deduced target-like fragment excitation energy and angular momentum, dynamical effects.
doi: 10.1143/PTPS.154.417
2004GH14 Phys.Rev. C 70, 011604 (2004) T.K.Ghosh, S.Pal, T.Sinha, S.Chattopadhyay, P.Bhattacharya, D.C.Biswas, K.S.Golda Anomalous increase in width of fission-fragment mass distribution as a probe for onset of quasifission reactions in deformed target-projectile system at near and sub-barrier energies NUCLEAR REACTIONS 232Th(16O, F), E=78.6-102.8 MeV; 209Bi(16O, F), E=72.6-81.6 MeV; measured fission fragment energy and mass distributions; deduced onset of nonstatistical reaction mechanism.
doi: 10.1103/PhysRevC.70.011604
2004SA04 Nucl.Phys. A730, 299 (2004) A.Saxena, D.Fabris, G.Prete, D.V.Shetty, G.Viesti, B.K.Nayak, D.C.Biswas, R.K.Choudhury, S.S.Kapoor, M.Lunardon, S.Moretto, G.Nebbia, S.Pesente, V.Rizzi, A.M.Samant, M.Barbui, E.Fioretto, M.Cinausero, A.Brondi, G.La Rana, R.Moro, E.Vardaci, N.Gelli, F.Lucarelli Particle multiplicities in the fission-like reactions of 340 MeV 28Si on 232Th NUCLEAR REACTIONS 232Th(28Si, F), (28Si, X), E=340 MeV; measured fission fragment spectra, Eα, En, angular correlations, pre-scission α and neutron multiplicities; deduced reaction mechanism features. Comparison with statistical and dynamical model calculations.
doi: 10.1016/j.nuclphysa.2003.11.007
2004SA57 Phys.Rev. C 70, 051602 (2004) Y.S.Sawant, A.Saxena, R.K.Choudhury, P.K.Sahu, R.G.Thomas, L.M.Pant, B.K.Nayak, D.C.Biswas Temperature and fissility dependence of fragment mass variance in heavy ion induced fission NUCLEAR REACTIONS Pb, 209Bi, 235U(12C, X), 209Bi(11B, X), E ≈ barrier; measured fission fragment kinetic energy and mass distributions; deduced temperature and fissility dependence, related features.
doi: 10.1103/PhysRevC.70.051602
2003PA02 Eur.Phys.J. A 16, 43 (2003) L.M.Pant, A.Saxena, R.G.Thomas, D.C.Biswas, R.K.Choudhury Pre- and Post-scission neutron multiplicities in 19F + 209Bi reaction at 108 MeV NUCLEAR REACTIONS 209Bi(19F, nF), E=108 MeV; measured pre- and post-scission neutron spectra, multiplicities, fragment mass distributions, angular correlations; deduced fusion fission dynamical time, other reaction mechanism features.
doi: 10.1140/epja/i2002-10072-2
2003SA54 Phys.Rev. C 68, 054612 (2003) P.K.Sahu, A.Saxena, R.K.Choudhury, B.K.Nayak, D.C.Biswas, L.M.Pant, R.G.Thomas, Y.S.Sawant Investigation of target shell effect in heavy ion induced transfer reactions in 11B + 208Pb and 11B + 209Bi reactions NUCLEAR REACTIONS 208Pb(11B, 12C), (11B, 12B), (11B, 13C), (11B, 9Be), (11B, 14C), (11B, 10Be), (11B, 10B), (11B, 7Li), E=69 MeV; 209Bi(11B, 8Li), (11B, 9Li), E=69 MeV; measured σ(θ), particle spectra, total transfer σ; deduced target shell closure effect.
doi: 10.1103/PhysRevC.68.054612
2002SA30 Phys.Rev. C65, 064601 (2002) A.Saxena, D.Fabris, G.Prete, D.V.Shetty, G.Viesti, B.K.Nayak, D.C.Biswas, R.K.Choudhury, S.S.Kapoor, M.Barbui, E.Fioretto, M.Cinausero, M.Lunardon, S.Moretto, G.Nebbia, S.Pesente, A.M.Samant, A.Brondi, G.La Rana, R.Moro, E.Vardaci, A.Ordine, N.Gelli, F.Lucarelli Fission of Targetlike Fragments Populated in the Multinucleon Transfer Reactions of 340 MeV 28Si on 232Th NUCLEAR REACTIONS 232Th(28Si, X), E=340 MeV; measured fragments charge and angular distributions; deduced transfer-induced fission mechanism features.
doi: 10.1103/PhysRevC.65.064601
2002TH06 Phys.Rev. C65, 057601 (2002) R.G.Thomas, B.K.Nayak, A.Saxena, D.C.Biswas, L.M.Pant, R.K.Choudhury Fission Fragment Anisotropies of 10B, 11B + 237Np Reactions NUCLEAR REACTIONS 237Np(10B, F), (11B, F), E ≈ 50-70 MeV; measured fission excitation functions, fragment angular distributions, anisotropies. Comparison with entrance-channel-dependent K-state model.
doi: 10.1103/PhysRevC.65.057601
2001JO08 Phys.Rev. C63, 054301 (2001) B.John, R.K.Choudhury, B.K.Nayak, A.Saxena, D.C.Biswas Level Density Parameter in A ∼ 108-204 Nuclei at Medium Excitation Energy NUCLEAR REACTIONS 93Nb, 165Ho(19F, αX), E=73-98 MeV; 115In, 165Ho, 169Tm, 181Ta, 197Au(11B, αX), E=55-71 MeV; 165Ho(10B, αX), (12C, αX), (16O, αX), E=57-96 MeV; measured α spectra, σ(Eα, θ); deduced level density parameters, shell effects. Statistical model analysis.
doi: 10.1103/PhysRevC.63.054301
2001PA26 Eur.Phys.J. A 11, 47 (2001) L.M.Pant, R.K.Choudhury, A.Saxena, D.C.Biswas Variation of Total Kinetic Energy and Mass Distributions in the Fusion-Fission Reaction of 16O, 19F + 209Bi at Near Barrier Energies NUCLEAR REACTIONS 209Bi(16O, X), E=80-92 MeV; 209Bi(19F, X), E=88-108 MeV; measured fragments kinetic energy and mass distributions; deduced possible dynamical effects.
doi: 10.1007/s100500170095
2001SA29 Phys.Rev. C64, 014609 (2001) P.K.Sahu, R.K.Choudhury, D.C.Biswas, B.K.Nayak Evidence for Correlated Pair Transfer of Valence Nucleons in Multiparticle Stripping Channels in the 18O + 174Yb Reaction NUCLEAR REACTIONS 174Yb(16O, 15O), (16O, 17O), (16O, 15N), (16O, 14C), (16O, 13C), (16O, 12C), (16O, 11B), (18O, 16O), (18O, 17N), (18O, 15N), (18O, 14C), (18O, 13C), (18O, 12C), (18O, 11B), E=83 MeV; measured transfer σ, σ(θ); deduced correlated pair transfer.
doi: 10.1103/PhysRevC.64.014609
2000BI05 Eur.Phys.J. A 7, 189 (2000) D.C.Biswas, R.K.Choudhury, M.Cinausero, B.Fornal, D.V.Shetty, G.Viesti, D.Fabris, E.Fioretto, M.Lunardon, G.Nebbia, G.Prete, D.Bazzacco, M.De Poli, D.R.Napoli, C.A.Ur, G.Vedovato Study of the Mo-Ba Partition in 252Cf Spontaneous Fission RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ γγ-coin, Mo-Ba channel fission fragment relative yields, neutron and γ-ray multiplicities; deduced no fission mode involving a hyperdeformed Ba and a spherical Mo fragment. GASP array.
doi: 10.1007/PL00013598
1999BI09 Eur.Phys.J. A 4, 343 (1999) D.C.Biswas, B.K.Nayak, M.Cinausero, B.Fornal, G.Viesti, D.Bazzacco, M.De Poli, D.Fabris, E.Fioretto, M.Lunardon, D.R.Napoli, G.Nebbia, G.Prete, C.A.Ur, G.Vedovato Fragment Dependence of High Energy γ-Ray Emission in the Spontaneous Fission of 252Cf RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-coin; deduced fission fragment mass dependence of high-energy γ-ray emission, enhancement due to shell effects. Gasp array.
doi: 10.1007/s100500050242
1999NA03 Phys.Rev. C59, R580 (1999) D.M.Nadkarni, A.Saxena, D.C.Biswas, R.K.Choudhury, S.S.Kapoor, N.Majumdar, P.Bhattacharya Measurement of Fission Excitation Functions in 11B, 16O, 19F + 232Th Reactions in the Extreme Sub-Barrier Energy Region NUCLEAR REACTIONS 232Th(11B, F), E=19-65 MeV; 232Th(16O, F), (19F, F), E=55-80 MeV; measured fission fragments folding angle distributions, fusion and transfer induced fission σ; deduced fusion barrier distributions, low-momentum transfer fission component.
doi: 10.1103/PhysRevC.59.R580
1998MA75 Phys.Rev.Lett. 81, 4778 (1998) N.Majumdar, P.Bhattacharya, D.C.Biswas, R.K.Choudhury, D.M.Nadkarni, A.Saxena Majumdar et al. Reply: (Comment on ' Anomalous Peaklike Structure in the Fission Fragment Anisotropies at Sub-Barrier Energies in 11B, 12C, 16O, 19F + 232Th Reactions ')
doi: 10.1103/PhysRevLett.81.4778
1998VA11 Phys.Rev. C57, 3462 (1998) R.Varma, S.Sinha, B.K.Nayak, R.G.Thomas, A.Saxena, D.C.Biswas, L.M.Pant, D.M.Nadkarni, R.K.Choudhury, P.Bhattacharya Fusion Barrier and Spin Distributions in 12C + 232Th Reaction Via Quasielastic Scattering NUCLEAR REACTIONS 232Th(12C, X), E=51-79 MeV; measured quasielastic σ(E, θ); deduced fusion barrier, spin distributions. Model comparisons.
doi: 10.1103/PhysRevC.57.3462
1997BI08 Phys.Rev. C56, 1926 (1997) D.C.Biswas, R.K.Choudhury, B.K.Nayak, D.M.Nadkarni, V.S.Ramamurthy Single and Multinucleon Transfer in 19F, 16O, 12C + 232Th Reactions at Near Barrier Energies NUCLEAR REACTIONS 232Th(19F, X), E=92-114 MeV; 232Th(16O, X), E=86.6, 94.8 MeV; 232Th(12C, X), E=59-82 MeV; measured projectile-like fragment σ(E, Z), σ(θ) for quasielastic, transfer reactions; deduced model parameters, transfer probabilities, Q-value dependence. Semiclassical model.
doi: 10.1103/PhysRevC.56.1926
1997NA10 Phys.Rev. C55, 2951 (1997) B.K.Nayak, R.K.Choudhury, D.C.Biswas, L.M.Pant, A.Saxena, D.M.Nadkarni, S.S.Kapoor Studies of One- and Two-Proton Transfer in 12C, 16O + 154Sm, and 16O + 115In Reactions NUCLEAR REACTIONS 154Sm(16O, X), E=100 MeV; 154Sm(12C, X), E=86 MeV; 115In(16O, X), E=90 MeV; measured σ(θ), spectra for 1p, 2p transfer channels; deduced transfer probabilities. Binding energies from semiclassical model, slope anomaly.
doi: 10.1103/PhysRevC.55.2951
1996MA03 Phys.Rev. C53, R544 (1996) N.Majumdar, P.Bhattacharya, D.C.Biswas, R.K.Choudhury, D.M.Nadkarni, A.Saxena Reexamination of the Nuclear Orientation Model of Quasifission Reactions to Explain Anomalous Fragment Anisotropies at Sub-Barrier Energies NUCLEAR REACTIONS 232Th(19F, F), E=84.5-106.5 MeV; 232Th(16O, F), E=95-77 MeV; 232Th(12C, F), E=54-84 MeV; measured fission fragment σ(θ), fusion σ(E).
doi: 10.1103/PhysRevC.53.R544
1996MA61 Phys.Rev.Lett. 77, 5027 (1996) N.Majumdar, P.Bhattacharya, D.C.Biswas, R.K.Choudhury, D.M.Nadkarni, A.Saxena Anomalous Peaklike Structure in the Fission Fragment Anisotropies at Sub-Barrier Energies in 11B, 12C, 16O, 19F + 232Th Reactions NUCLEAR REACTIONS 232Th(19F, F), E=73.5-80 MeV; 232Th(16O, F), E=69.2-74.8 MeV; 232Th(11B, F), E=43-49.7 MeV; 232Th(12C, F), E(cm)=40-70 MeV; measured fission fragment σ(θ); deduced anomalous peaklike structure explanation possibility.
doi: 10.1103/PhysRevLett.77.5027
1995BH08 Nuovo Cim. 108, 819 (1995) P.Bhattacharya, N.Majumdar, P.Basu, M.L.Chatterjee, D.C.Biswas, A.Saxena, V.S.Ambekar, R.K.Choudhury, D.M.Nadkarni Measurement of Complete Fusion-Fission and Transfer-Fission Cross-Sections and Angular Distributions for 19F + 232Th at Sub-Barrier Energies by Fission Fragment Folding-Angle Technique NUCLEAR REACTIONS, ICPND 232Th(19F, F), E=78.5-106.5 MeV; measured σ(fragment) vs θ(folding) for transfer-, fusion fission, σ(E).
1995BI21 Phys.Rev. C52, R2827 (1995) D.C.Biswas, R.K.Choudhury, D.M.Nadkarni, V.S.Ramamurthy Evidence of Massive Cluster Transfers in 19F + 232Th Reaction at Near Barrier Energies NUCLEAR REACTIONS 232Th(19F, X), E=113.6, 106.5 MeV; measured σ(fragment θ); deduced reduced transfer probability, Q-value dependence.
doi: 10.1103/PhysRevC.52.R2827
1995CH59 Phys.Rev. C52, 3167 (1995) A.Chatterjee, A.Navin, S.Kailas, P.Singh, D.C.Biswas, A.Karnik, S.S.Kapoor Precission Charged Particle Emission in 19F + 232Th NUCLEAR REACTIONS 232Th(19F, F), E=104-118 MeV; measured p-, α spectra, fission (fragment)p-, (fragment)α-coin, pre-, post-particle multiplicities. 251Es deduced fission time scales. Deformed optical model, deformation dependent particle binding energies.
doi: 10.1103/PhysRevC.52.3167
1995CH65 Pramana 44, 177 (1995) R.K.Choudhury, D.M.Nadkarni, V.S.Ambekar, B.V.Dinesh, A.Saxena, M.S.Samant, D.C.Biswas, L.M.Pant Deep Inelastic Collisions of 32S + 27Al Reaction at 130 MeV Bombarding Energy NUCLEAR REACTIONS 27Al(32S, X), E=130 MeV; measured fragment distribution for Z=6-10, average kinetic energy vs fragment Z; deduced highly stretched scission configurations.
doi: 10.1007/BF02847697
1995KA10 Z.Phys. A351, 195 (1995) A.Karnik, S.Kailas, A.Chatterjee, P.Singh, A.Navin, D.C.Biswas, D.M.Nadkarni, A.Shrivastava, S.S.Kapoor Near-Barrier Fission of the System 12C + 232Th NUCLEAR REACTIONS, ICPND 232Th(12C, F), E ≈ 60-82.5 MeV; measured fission fragment anisotropies, σ vs E; deduced channel coupling evidence. Saddle point statistical model.
doi: 10.1007/BF01289529
1995MA41 Phys.Rev. C51, 3109 (1995) N.Majumdar, P.Bhattacharya, D.C.Biswas, R.K.Choudhury, D.M.Nadkarni, A.Saxena Fission-Fragment Angular Distributions and Excitation Functions in Fission Following Complete Fusion and Targetlike-fragment Fission Reactions of 19F + 232Th at Near- and Sub-Barrier Energies NUCLEAR REACTIONS 232Th(19F, F), E=84.5-106.5 MeV; measured fission σ(E), σ(fragment θ). Coupled-channels analysis.
doi: 10.1103/PhysRevC.51.3109
1994BI17 Nucl.Instrum.Methods Phys.Res. A340, 551 (1994) D.C.Biswas, V.S.Ambekar, L.M.Pant, B.V.Dinesh, R.K.Choudhury A Position Sensitive Ionisation Chamber for Measurement of Fission Fragments and Medium Mass Heavy Ions RADIOACTIVITY 252Cf(SF); measured fission fragment energy distributions. Position sensitive ionization chamber telescope. NUCLEAR REACTIONS 232Th(10B, F), E=60 MeV; measured fission fragment energy distributions. Position sensitive ionization chamber telescope.
doi: 10.1016/0168-9002(94)90137-6
1993KA35 Pramana 41, 339 (1993) S.Kailas, A.Navin, A.Chatterjee, P.Singh, A.Saxena, D.M.Nadkarni, D.C.Biswas, R.K.Choudhury, S.S.Kapoor Sub-Barrier Fission Fragment Angular Distributions for the System 19F + 232Th NUCLEAR REACTIONS 232Th(19F, F), E=89.3-93.6 MeV; measured fission fragment σ(θ), anisotropy. Statistical model analysis.
doi: 10.1007/BF02847398
1990RA17 Nucl.Instrum.Methods Phys.Res. B51, 102 (1990) M.N.Rao, D.C.Biswas, R.K.Choudhury Charge Determination of Fission Fragments via Energy Loss and X-Ray Measurements RADIOACTIVITY 252Cf(SF); measured fission fragment X-ray spectra, X-ray yields; deduced fission fragment charge distribution.
doi: 10.1016/0168-583X(90)90509-S
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