NSR Query Results
Output year order : Descending NSR database version of April 11, 2024. Search: Author = S.Santra Found 95 matches. 2024SH03 Phys.Lett. B 848, 138381 (2024) A.Sharma, P.Dubey, U.Mishra, N.Dubey, J.Pandey, R.Gandhi, A.Pal, A.Baishya, T.Santhosh, P.C.Rout, B.K.Nayak, S.Santra, A.Chakraborty, A.Kumar Study of the surrogate ratio method by determination of 56Fe(n, xp) cross sections NUCLEAR REACTIONS 55Mn, 51V(6Li, α), E=25 MeV; measured reaction products. 57Fe, 53Cr; deduced σ, spin dependence of the proton emission probabilities as a function of excitation energies, the validity of surrogate ratio method for determining (n, xp) reaction cross sections. Comparison with TALYS calculations, EXFOR library. ARC-TIFR Pelletron Accelerator Facility in Mumbai.
doi: 10.1016/j.physletb.2023.138381
2023BA39 Phys.Rev. C 108, 065807 (2023) A.Baishya, S.Santra, P.C.Rout, A.Pal, T.Santhosh Light-particle-induced deexcitations of 3-1 and 2+2 resonances of 12C in extreme stellar conditions
doi: 10.1103/PhysRevC.108.065807
2023GA23 Eur.Phys.J. A 59, 187 (2023) R.Gandhi, S.Santra, P.C.Rout, A.Pal, A.Baishya, T.Santhosh, D.Chattopadhyay, K.Ramachandran, G.Mohanto, J.Pandey, A.Diaz-Torres, R.Palit Measurement of 58co(n, xp) cross sections by a surrogate method NUCLEAR REACTIONS 57Fe, 59Co(6Li, α), E=37, 33 MeV; measured reaction products, Eα, Iα; deduced proton decay probabilities (branching ratios), σ, Comparison with ENDF/B-VIII.0, JEFF-3.3, JENDL-5, ROSFONFD-2010 libraries, TALYS and PACE4 calculations. BARC-TIFR Pelletron Linac Accelerator Facility, Mumbai.
doi: 10.1140/epja/s10050-023-01099-0
2023KU06 Phys.Rev. C 107, 034614 (2023) R.Kumar, M.Maiti, A.Pal, S.Santra, P.Kaur, M.Sagwal, A.Singh, P.C.Rout, A.Baishya, R.Gandhi, T.Santhosh Shell effect driven fission modes in fragment mass and total kinetic energy distribution of 192Hg NUCLEAR REACTIONS 160Gd(32S, X)192Gd*, E=139.7, 151.9, 163.3 MeV; measured fission fragments, coincidence between fragments, Time-of-Flight; deduced fission fragments mass distribution, total kinetic energy distribution, contribution of symmetric fission. Systematics of ratio of symmetric yield to the total yield of fragments from fission of Gd, Hg Pb and Pt isotopes.Comparison of experimental mass distribution from 192Hg, 191Au, 190Hg and 192Hg. Comparison to GEF predictions. Measurements with 2 position-sensitive multiwire proportional chambers (MWPCs) at 14-UD BARC-TIFR Pelletron-Linac facility (Mumbai).
doi: 10.1103/PhysRevC.107.034614
2023SA18 Phys.Lett. B 841, 137934 (2023) T.Santhosh, P.C.Rout, S.Santra, A.Shrivastava, G.Mohanto, S.K.Pandit, A.Pal, R.Gandhi, A.Baishya, S.Dhuri Experimental evidence of large collective enhancement of nuclear level density and its significance in radiative neutron capture NUCLEAR REACTIONS 169Tm(7Li, X)170Yb/171Yb, E=40 MeV; measured reaction products, Eα, Iα, En, In; deduced the collective enhancement of nuclear level density, MACS. Comparison with calculations. The BARC-TIFR Pelletron Linac Facility (Mumbai).
doi: 10.1016/j.physletb.2023.137934
2023SA23 Phys.Rev. C 107, L061601 (2023) S.Santra, A.Pal, D.Chattopadhyay, A.Kundu, P.C.Rout, R.Gandhi, A.Baishya, T.Santhosh, K.Ramachandran, R.Tripathi, B.J.Roy, T.N.Nag, G.Mohanto, S.De, B.K.Nayak, S.Kailas Shell effect on fission fragment mass distribution at E*cn up to 70 MeV: Role of multichance fission NUCLEAR REACTIONS 238U(11B, X)249Bk, E=53-87.4 MeV; measured fission fragments from compound nuclei, (fragment)(fragment)-coin; deduced fission fragments mass distribution, total kinetic energies (TKE), mass-TKE correlations, ratio of asymmetric to symmetric contributions. Systematics on the excitation energy dependence of asymmetric fission contribution for fission of 241Np, 242Pu, 247Cf, 250Cf, 249Bk. Comparison to calculations performed with semiempirical model code GEF. Investigated the manifestation of the fragment shell effect in the integral mass distributions. Two position sensitive multiwire proportional counters (MWPCs) at 14-UD BARC-TIFR Pelletron-Linac facility (Mumbai).
doi: 10.1103/PhysRevC.107.L061601
2023SA45 Phys.Rev. C 108, 044317 (2023) T.Santhosh, P.C.Rout, S.Santra, A.Pal, G.Mohanto, R.Gandhi, A.Baishya Collective enhancement of nuclear level density and its fade-out in 161Dy
doi: 10.1103/PhysRevC.108.044317
2022BH07 Phys.Rev. C 106, 064612 (2022) S.Bhattacharjee, P.Biswas, A.Gupta, M.K.Pradhan, N.Deshmukh, P.Basu, V.V.Parkar, S.Santra, K.Ramachandran, A.Chatterjee, S.Roy, A.Mukherjee Systematic investigation of channel-coupling effects on elastic, inelastic, and neutron-transfer channels in 6Li+159Tb NUCLEAR REACTIONS 159Tb(6Li, 6Li), (6Li, 7Li), E= 25, 27, 30, 35 MeV; measured reaction product, angular distributions; deduced elastic and quasielastic scattering σ(θ, E), 1n pickup reaction σ(θ, E), optical model potential parameters, spectroscopic factors for 158Tb+n and 6Li+n conigurations. Comparison to finite-range coupled-channel Born approximation (CCBA) calculations.Four Silicon surface barrier telescope detectors at 14UD BARC-TIFR Pelletron Accelerator (Mumbai, India).
doi: 10.1103/PhysRevC.106.064612
2022GA24 Phys.Rev. C 106, 034609 (2022) R.Gandhi, S.Santra, A.Pal, B.K.Nayak, P.C.Rout, D.Chattopadhyay, A.Kundu, A.Baishya, T.Santhosh, S.K.Pandit, G.Mohanto, A.Diaz-Torres Determination of 57Co(n, xp) cross sections using the surrogate reaction ratio method NUCLEAR REACTIONS 56Fe(6Li, α), E=3.9 MeV; 59Co(6Li, α), E=40.5 MeV; measured reaction products Eα, Iα, (particle)α-coin; deduced proton decay probabilities of the compound 58Co (surrogate of n+57Co) and 61Ni (surrogate of n+60Ni) systems. 57Co(n, xp), E=8.6-18.8; deduced σ(E) via surrogate reaction method using 60Ni(n, xp) σ as the reference. Comparison to JEFF-3.3 evaluated data and TALYS-1.8 calculations. Silicon surface barrier (SSB) detector telescope and Si strip telescopes at BARC-TIFR Pelletron-Linac accelerator facility (Mumbai, India).
doi: 10.1103/PhysRevC.106.034609
2022GH05 Appl.Radiat.Isot. 184, 110171 (2022) S.Ghodke, V.Sathian, Y.Singh, S.Santra Efficiency calculation of proton recoil neutron telescope with relativistic correction for neutron energy 4 to 20 MeV
doi: 10.1016/j.apradiso.2022.110171
2022KU06 Phys.Rev. C 105, 024611 (2022) H.Kumawat, V.V.Parkar, T.N.Nag, R.Tripathi, V.Jha, S.Santra, S.Kailas Experimental evidence for α production following neutron transfer in the 13C + 93Nb system NUCLEAR REACTIONS 93Nb(12C, X), (13C, X), E=6 MeV; measured reaction products, Eα, Iα; deduced σ, σ(q) for α production in 1n transfer reaction, contributions from direct break up and transfer processes. Beam from BARC-TIFR Pellteron LINAC facility.
doi: 10.1103/PhysRevC.105.024611
2022KU27 Phys.Rev. C 106, 024602 (2022) H.Kumawat, M.Prasanna, V.V.Parkar, C.Joshi, A.Kundu, A.Pal, K.Ramachandran, D.Dutta, S.Santra, S.Kailas Elastic scattering and boron, lithium, and α-particle production in the 9Be + 51V reaction NUCLEAR REACTIONS 51V(9Be, 9Be), (9Be, αX), (9Be, α), (9Be, p)7Li, (9Be, d)8Li, (9Be, p)10B, (9Be, d)11B, (9Be, X) E=26, 28 MeV; measured reaction products, angular distributions, Eα, Iα; deduced σ(θ), direct and compound α, Lithium and Boron production σ(θ). Comparison to continuum-discretized-coupled-channels (CDCC) and coupled reaction channels (CRC) calculations. Ten solid state silicon surface barrier telescope detectors at 14 UD BARC-TIFR Pelletron-Linac accelerator facility (Mumbai, India).
doi: 10.1103/PhysRevC.106.024602
2022MO12 Phys.Rev. C 105, 034607 (2022) G.Mohanto, P.C.Rout, K.Ramachandran, K.Mahata, E.T.Mirgule, B.Srinivasan, A.Kundu, A.Baishya, R.Gandhi, T.Santhosh, A.Pal, S.Joshi, S.Santra, D.Patel, PrashantN.Patil, S.P.Behera, P.Yashwantrao, N.K.Mishra, D.Dutta, A.Saxena, B.K.Nayak Probing collective enhancement in nuclear level density with evaporation α particle spectra NUCLEAR REACTIONS 116Sn, 159Tb(12C, X), E=48-64 MeV; measured Eα, Iα, En, In, nα-coin; deduced σ(θ, E) for α-production channel. Comparison with statistical model calculations using the code CASCADE with fusion cross-section obtained from coupled channel code CCFULL. Studied the effect of collective enhancement of nuclear level density fadeout inclusion in the calculations on the correct description of the experimental spectra. BARC-TIFR Pelletron-Linac facility.
doi: 10.1103/PhysRevC.105.034607
2022RO09 Phys.Rev. C 105, 044611 (2022) B.J.Roy, S.Santra, A.Pal, H.Kumawat, S.K.Pandit, V.V.Parkar, K.Ramachandran, K.Mahata, K.Sekizawa Reaction mechanism study for multinucleon transfer processes in collisions of spherical and deformed nuclei at energies near and above the Coulomb barrier: The 16O + 154Sm reaction NUCLEAR REACTIONS 154Sm(16O, X)6Li/7Li/10B/11B/12C/13C/13N/14N/15N/9Be/16O/17O/18O, E=85, 134 MeV; measured reaction products, projectile-like fragments, angular distributions; deduced σ(θ), σ(E), Q, total kinetic energy loss (TKEL) by fragments, optical potential parameters. Studied the orientation effect in multinucleon transfer processes. Compared with theoretical calculations based on time-dependent Hartree-Fock (TDHF)combined with a statistical model, GEMINI++.BARC-TIFR Pelletron-Linac facility.
doi: 10.1103/PhysRevC.105.044611
2021BA36 Phys.Rev. C 104, 024601 (2021) A.Baishya, S.Santra, A.Pal, P.C.Rout Effect of initial 3α cluster configurations in 12C on the direct decay of its Hoyle state NUCLEAR STRUCTURE 12C; calculated direct 3α decay width for the Hoyle (second 0+) state using the ratio of the barrier penetration probability of the Hoyle state, the latter calculated using Semiclassical Wentzel-Kramers-Brillouin (WKB) approximation, and by considering the second 2+ state in 12C as a collective excitation of the Hoyle state; deduced branching ratios for different direct decay modes of the Hoyle state, and dependence of initial configuration of 3α cluster on the limit of direct decay probability.
doi: 10.1103/PhysRevC.104.024601
2021BI02 Phys.Rev. C 103, 014606 (2021) P.Biswas, A.Mukherjee, D.Chattopadhyay, S.Bhattacharjee, M.K.Pradhan, Md.M.Shaikh, S.Roy, A.Goswami, P.Basu, S.Santra, S.K.Pandit, K.Mahata, A.Shrivastava Large back-angle quasielastic scattering for 7Li + 159Tb NUCLEAR REACTIONS 159Tb(7Li, 7Li), (7Li, X), E=17-34 MeV from 14UD BARC-TIFR Pelletron Accelerator; measured reaction products, σ(θ) using ΔE-E telescopes of Si-surface barrier detectors; deduced quasielastic excitation functions and quasielastic barrier distributions, complete fusion σ(E). Comparison with continuum discretized coupled-channel (CDCC) model calculations.
doi: 10.1103/PhysRevC.103.014606
2021BI08 Phys.Rev. C 104, 034620 (2021) P.Biswas, A.Mukherjee, S.Bhattacharjee, D.Chattopadhyay, S.Roy, S.Santra, S.K.Pandit, K.Ramachandran, K.Mahata, A.Shrivastava Quasielastic backscattering and barrier distribution for the weakly bound projectile 6Li on 159Tb NUCLEAR REACTIONS 159Tb(6Li, 6Li'), (6Li, X), E=17-33 MeV; measured charged-particle spectra, E-ΔE spectrum, σ(E) using Si detector telescopes at 14UD BARC-TIFR Pelletron-Linac Facility; deduced quasielastic excitation function and quasielastic barrier distributions and compared with FRESCO calculations, excluding and including α particles, production σ(E), and compared with the DWBA calculations. Discussed α-breakup threshold of the nucleus 6Li.
doi: 10.1103/PhysRevC.104.034620
2021KU10 Phys.Rev. C 103, 034315 (2021) A.Kundu, Md.S.R.Laskar, R.Palit, R.Raut, S.Santra, N.Shimizu, T.Togashi, E.Ideguchi, H.Pai, S.Ali, F.S.Babra, R.Banik, S.Bhattacharya, S.Biswas, B.Das, P.Dey, R.Donthi, A.Goswami, S.Jadhav, G.Mukherjee, B.S.Naidu, S.Rajbanshi, L.P.Singh, H.P.Sharma, S.S.Tiwary, A.T.Vazhappilly New lifetime measurement for the 2+1 level in 112Sn by the Doppler-shift attenuation method NUCLEAR REACTIONS 112Sn(35Cl, 35Cl'), E=195 MeV; measured Eγ, Iγ, γγ-coin, half-lives of the first 2+ and 3- states from Doppler broadening using INGA array at BARC-TIFR Pelletron LINAC Facility. 112Sn; deduced levels, J, π, B(E2), B(E1); calculated potential energy surface in (Q2, Q4) plane using Q-constrained Hartree-Fock method. Comparison with previous measurements, and with generalized seniority model (GSM) and state-of-the-art Monte Carlo shell model (MCSM) calculations. Systematics of B(E2) for the first 2+ states in A=112-124 Sn nuclei.
doi: 10.1103/PhysRevC.103.034315
2021MI20 Phys.Rev. C 104, 054606 (2021) C.V.Midhun, M.M.Musthafa, S.V.Suryanarayana, T.Santhosh, A.Baishya, P.N.Patil, A.Pal, P.C.Rout, S.Santra, R.Kujur, A.Joseph, A.Shaima, K.Hajara, P.T.M.Shan, B.Satheesh, B.V.John, E.T.Mirgule, K.C.Jagadeesan, S.Ganesan Impact of 7Be breakup on the 7Li(p, n) neutron spectrum NUCLEAR REACTIONS 7Li(p, n), E=21 MeV beam from BARC-TIFR Pelletron-Linac facility; measured evaporation products using two silicon detector telescopes, E(n), I(n) by time-of-flight using three liquid organic scintillators, (3He)α-coin, (3He)n-coin, double differential σ(E(3He, α), θ) for 7Li(p, n)7Be* to n+3He+α channel; deduced ΔE-E correlation spectra, 3He-3He energy correlation plot, double differential σ(En, θ) simulated 0° breakup neutron spectrum at 21 MeV with contributions from continuum and resonance. Comparison of neutron spectrum with previous experimental data, and with theoretical calculations using FRESCO code.
doi: 10.1103/PhysRevC.104.054606
2021NA04 Phys.Rev. C 103, 034612 (2021) T.N.Nag, R.Tripathi, S.Patra, A.Mhatre, S.Santra, P.C.Rout, A.Kundu, D.Chattopadhyay, A.Pal, P.K.Pujari Fission fragment mass distribution in the 32S + 144Sm reaction NUCLEAR REACTIONS 144Sm(32S, F), E=150.4, 155.9, 161 MeV; measured fission fragments in coincidence using two multiwire proportional counters (MWPCs) at the BARC-TIFR Pelletron-LINAC facility of TIFR-Mumbai; deduced time-of-flight (TOF) of the scattered beam particles, fission fragment mass distribution, centroid values of the heavy and the light mass peaks of fission fragment mass distributions, neutron and proton numbers corresponding to the centroid values of light and heavy mass peaks for asymmetric fission for different fissioning systems in the present reaction and others in the literature. Comparison with fits using one- and two-Gaussian functions.
doi: 10.1103/PhysRevC.103.034612
2021PA32 Phys.Rev. C 104, L031602 (2021) A.Pal, S.Santra, P.C.Rout, R.Gandhi, A.Baishya, T.Santhosh, R.Tripathi, T.N.Nag Observation of a fission mode with very short elongation for the neutron-rich 257Md nucleus at high excitation energy NUCLEAR REACTIONS 238U(19F, X)257Md*,238U(18O, X)256Fm*,232Th(19F, X)251Es*, E=80.9-98.0 MeV; measured fission fragments, (fission fragment)(fission fragment)-coin at the 14-UD BARC-TIFR Pelletron-Linac facility; deduced Mass and total kinetic-energy (TKE) distributions of fission fragments, peak positions and widths of the low- and high-TKE modes, mass-TKE correlations, mass-distributions. Comparison with predictions by the semi-empirical model code GEF.
doi: 10.1103/PhysRevC.104.L031602
2020CH28 Phys.Rev. C 102, 021601 (2020) D.Chattopadhyay, S.Santra, A.Pal, A.Kundu, K.Ramachandran, R.Tripathi, T.N.Nag, S.Kailas Direct and resonant breakup of radioactive 7Be nuclei produced in the 112Sn(6Li, 7Be) reaction NUCLEAR REACTIONS 112Sn(6Li, 7Be)111In, E=30 MeV; measured ΔE-E spectra of charged particles, α(3He)-coin, σ(θ) for direct and sequential breakup, relative energy distributions between α and 3He clusters from breakup of 7Be using a double sided silicon strip detector array covering large angular separation between breakup fragments at the 14-UD Pelletron-LINAC facility of BARC-TIFR; deduced breakup σ of 7Be into α and 3He via direct and 7/2- and 5/2- resonant states. 7Be; deduced energies of resonances, J, π, widths. Comparison of elastic scattering and transfer-breakup σ(θ) with coupled channels (CRC) calculations using FRESCO code.
doi: 10.1103/PhysRevC.102.021601
2020MO33 Phys.Rev. C 102, 044610 (2020) G.Mohanto, S.De, A.Parihari, P.C.Rout, K.Ramachandran, K.Mahata, E.T.Mirgule, R.Gandhi, Sangeeta, M.Kushwaha, B.Srinivasan, S.Santra, A.Shrivastava, S.P.Behera, B.J.Roy, A.Jhingan, B.K.Nayak, A.Saxena Effect of nuclear structure and fissility on quasifission NUCLEAR REACTIONS 206,208Pb(35Cl, X), (37Cl, X), E(cm)/VB=0.95-1.05; measured fission fragments and time-of-flight of fragments using two position sensitive multiwire proportional counters (MWPCs); deduced fission fragment velocities, mass ratio and center-of-mass angle, mass-angle distributions (MAD spectra), absence of mass-angle correlations and that of fast quasifission (QF); analyzed mass widths of the mass distributions as function of excitation energy for the reactions studied in this work, and compared with previous experimental results for 208Pb(34S, X) and 208Pb(30Si, X) reactions. 208Pb, 238U(12C, X), E not given; 182W(13C, X), E not given; 175Lu, 186W, 186,192Os, 196Pt, 200Hg, 208Pb, 238U(16O, X), E not given; 232Th(18O, X), E not given; 178Hf, 238U(24Mg, X), E not given; 170Yb, 238U(28Si, X), E not given; 208Pb, 232Th(30Si, X), E not given; 178Hf, 194Pt, 202Hg, 208Pb(34S, X), E not given; 168Er, 186W, 208Pb, 232Th(34S, X), E not given; 154Sm, 206,208Pb(35Cl, X), (37Cl, X), E not given; 144Sm(35Cl, X), E not given; 142Nd, 154Sm, 198Pt, 208Pb, 232Th, 238U(40Ca, X), E not given; 144Sm, 162Dy, 170Er, 174Yb, 178Hf, 186W, 192Os, 196Pt, 200Hg, 208Pb, 238U(48Ti, X), E not given; 144,154Sm(48Ca, X), E not given; 154Sm, 170Er, 184W, 192Os, 198Pt, 208Pb(64Ni, X), E not given; analyzed measured cross sections and mass-angle distributions (MADs) by including deformation parameter β2; deduced effect on quasifission (QF) process.
doi: 10.1103/PhysRevC.102.044610
2020NA24 Phys.Rev. C 102, 024610 (2020), Erratum Phys.Rev. C 104, 039901 (2021) T.N.Nag, R.Tripathi, S.Sodaye, K.Sudarshan, S.Santra, K.Ramachandran, A.Kundu, D.Chattopadhyay, A.Pal, P.K.Pujari Kinetic energy spectra and angular distributions of projectile-like fragments in 12, 13C + 93Nb reactions NUCLEAR REACTIONS 93Nb(12C, X)7Li/9Be/10Be/10B/11B/13C/13N/15N/93Nb, E=65 MeV; 93Nb(13C, X)6Li/7Li/9Be/10Be/11B/12B/12C/14C/14N/15N/91Nb/92Nb, E=65 MeV; measured kinetic-energy spectra of projectile-like fragments (PLFs) and target-like fragments (TLFs), the latter formed in transfer reactions or inelastic excitation, σ(θ) of PLF and TLF fragments using ΔE-E telescopes of ten silicon detectors at BARC-TIFR Pelletron-LINAC facility; deduced structure information and spectroscopic factors using FRESCO code for coupled reaction channels calculations.
doi: 10.1103/PhysRevC.102.024610
2020PA33 Phys.Rev. C 102, 034618 (2020) P.N.Patil, N.M.Badiger, B.K.Nayak, S.Santra, P.C.Rout, A.Pal, G.Mohanto, K.Mahata, K.Ramachandran, R.G.Thomas, E.T.Mirgule, N.Madhavan, R.Gandhi, M.M.Hosamani, A.Vinayak, A.Kundu, S.De, S.P.Behera, B.Srinivasan, A.Saxena, V.D.Bharud Pre-scission neutron multiplicity in the 32S + 184W reaction NUCLEAR REACTIONS 184W(32S, F)216Th*, E=180 MeV or E*=71.3 MeV; measured complimentary fission fragments, E(n), I(n), (fragment)(fragment)n-correlations, (fragment)n(θ) using single-sided silicon strip detectors for fission fragments, and an array of 14 liquid scintillators for neutrons at the BARC-TIFR 14UD Pelletron-Linac accelerator facility; deduced double differential neutron multiplicity spectra, pre-scission and post-scission neutron multiplicities, neck coordinate versus elongation for fusion and nonfusion trajectories. Comparison with statistical model calculations using JOANNE2 code, and with dynamical model calculations using HICOL code.
doi: 10.1103/PhysRevC.102.034618
2019GA32 Phys.Rev. C 100, 054613 (2019) R.Gandhi, B.K.Nayak, S.V.Suryanarayana, A.Pal, G.Mohanto, S.De, A.Parihari, A.Kundu, P.C.Rout, S.Santra, K.Mahata, B.Srinivasan, E.T.Mirgule, J.Pandey Determination of 53Mn(n, xp) cross sections using the surrogate reaction ratio method NUCLEAR REACTIONS 52Cr(6Li, α)54Mn*, E=33.0 MeV; 59Co(6Li, α), 61Ni*, E=40.5 MeV; measured projectile-like fragments (PLFs): protons, deuterons, tritons, and α particles, pα-coin using ΔE-E detector telescope at the BARC-TIFR Pelletron Accelerator Facility; deduced excitation energy spectra of the target-like fragments, proton decay probabilities of the excited compound nuclei 54Mn and 61Ni. 53Mn(n, xp), (n, p), (n, np), E<20 MeV; deduced σ(E) using the surrogate reaction ratio method using 60Ni(n, xp) literature cross-section values as reference. Comparison of deduced σ(E) with TALYS-1.8 predictions using different level-density models, and with evaluated nuclear data libraries: EAF-2010, ROSFOND-2010, and JEFF-3.3.
doi: 10.1103/PhysRevC.100.054613
2019KU06 Phys.Rev. C 99, 034609 (2019) A.Kundu, S.Santra, A.Pal, D.Chattopadhyay, R.Tripathi, B.J.Roy, T.N.Nag, B.K.Nayak, A.Saxena, S.Kailas Low-lying quadrupole and octupole collective excitations in the 112, 116, 118, 120, 122, 124Sn isotopes NUCLEAR REACTIONS 112,116,118,120,122,124Sn(7Li, 7Li), (7Li, 7Li'), (7Li, 6Li), (7Li, 6He), E=28 MeV; measured reaction products, and differential σ(θ) for λ=2 and L=3 transitions in inelastic scattering using enriched targets and silicon surface barrier ΔE-E telescopes for fragment detection at BARC-TIFR Pelletron accelerator facility. 112,116,118,120,122,124Sn; deduced levels, deformation lengths for λ=2 and 3 excitations, proton and neutron transition matrix elements, Mn/Mp, B(E2), B(IS2), B(E3), B(IS3) for the first 2+ and 3- states in Sn nuclei. Optical model analysis using coupled reaction channels (CRC), and continuum discretized coupled channels (CDCC) calculations. 116Sn(p, p'), E=24.5 MeV; 116Sn(3He, 3He'), E=270 MeV; 116Sn(α, α'), E=40 MeV; 116Sn(6Li, 6Li'), E=240 MeV; comparison with previous σ(θ) data and calculations for λ=3 excitation in 116Sn.
doi: 10.1103/PhysRevC.99.034609
2019KU15 Phys.Rev. C 100, 024614 (2019) A.Kundu, S.Santra, A.Pal, D.Chattopadhyay, T.N.Nag, R.Gandhi, P.C.Rout, B.J.Roy, B.K.Nayak, S.Kailas Reaffirmation of probe dependence of the mass deformation length for low-lying excitations in 112, 116, 118, 120, 122, 124Sn isotopes NUCLEAR REACTIONS 112,116,118,120,122,124Sn(12C, 12C), (12C, 12C'), E=60 MeV; measured reaction products, outgoing projectile-like fragments, angular distributions; deduced differential elastic and inelastic cross sections. 112,116,118,120,122,124Sn; deduced levels, deformation lengths δ2 and δ3, matrix elements, transition probabilities (B(E2), B(IS2), B(E3), B(IS3)), Mn/Mp ratios for the first 2+ and 3- states extracted via coupled reaction channels (CRC) calculations with the collective model approach. Experiment performed at the BARC-TIFR Pelletron accelerator facility, Mumbai, India.
doi: 10.1103/PhysRevC.100.024614
2019KU17 Phys.Rev. C 100, 034327 (2019) A.Kundu, S.Santra, A.Pal, D.Chattopadhyay, R.Raut, R.Palit, Md.S.R.Laskar, F.S.Babra, C.S.Palshetkar, B.K.Nayak, S.Kailas Measurement of the 2+1 level lifetime in 120Sn by the Doppler shift attenuation method: Evidence of enhanced collectivity NUCLEAR STRUCTURE 120Sn(32S, 32S')120Sn*, E=120 MeV; measured Eγ, Iγ, γ(θ) using enriched target and INGA array of 11 Compton-suppressed HPGe detectors, half-life of the first 2+ level in 120Sn from DSAM at the BARC-TIFR Pelletron LINAC facility. 120Sn; deduced level, B(E2) for the first 2+ state, enhanced collectivity, anharmonic nature of quadrupole vibrations; compiled experimental B(E2) values for the first 2+ states in 112,114,116,118,120,122,124Sn.
doi: 10.1103/PhysRevC.100.034327
2019PA02 Phys.Rev. C 99, 014611 (2019) J.Pandey, B.Pandey, A.Pal, S.V.Suryanarayana, S.Santra, B.K.Nayak, E.T.Mirgule, A.Saxena, D.Chattopadhyay, A.Kundu, V.V.Desai, A.Parihari, G.Mohanto, D.Sarkar, P.C.Rout, B.Srinivasan, K.Mahata, B.J.Roy, S.De, H.M.Agrawal Determination of 59Ni (n, xp) reaction cross sections using surrogate reactions NUCLEAR REACTIONS 56Fe(6Li, d), (6Li, X), E=35.9 MeV; 59Co(6Li, α), (6Li, X), E=40.5 MeV; measured protons, deuterons, α, pd- and pα-coin, differential σ(θ) using ΔE-E telescopes for charged particle detection at the BARC-TIFR Pelletron Accelerator Facility in Mumbai. 60Ni(n, p), (n, 2p), E=5-20 MeV; analyzed σ(E). 59Ni(n, xp), E=11.9-15.8 MeV; deduced σ by surrogate ratio method through the 56Fe(6Li, d) reaction, and using 59Co(6Li, α) reaction as reference. Comparison with theoretical calculations using TALYS-1.8 code with microscopic level densities, and with evaluated data libraries ROSFOND-2015, TENDL-2015 and ENDF/B-VIII.
doi: 10.1103/PhysRevC.99.014611
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
2018CH23 Phys.Rev. C 97, 051601 (2018) D.Chattopadhyay, S.Santra, A.Pal, A.Kundu, K.Ramachandran, R.Tripathi, B.J.Roy, T.N.Nag, Y.Sawant, B.K.Nayak, A.Saxena, S.Kailas Role of cluster structure in the breakup of 7Li NUCLEAR REACTIONS 112Sn(7Li, 7Li), (7Li, 7Li'), (7Li, 6Li), (7Li, 5Li), E=30 MeV; measured α, 6He, triton, deuteron and proton spectra, and αt-, αd-, αp-, αα-coin from the breakup of 7Li into α+t and 6He+p, 6Li into α+d, and 5Li into α+p, yield distributions, σ, differential σ(θ) at the 14-UD Pelletron-Linac TIFR-BARC facility. 7Li; deduced resonances, J, π, widths, α+t breakup through 5/2- resonance, and additional cluster of 7Li as 6He+p. Comparison with coupled reaction channel (CRC), and continuum discretized coupled-channel (CDCC) calculations using FRESCO code. Comparison with previous experimental data.
doi: 10.1103/PhysRevC.97.051601
2018CH37 Phys.Rev. C 98, 014609 (2018) D.Chattopadhyay, S.Santra, A.Pal, A.Kundu, K.Ramachandran, R.Tripathi, B.J.Roy, Y.Sawant, B.K.Nayak, A.Saxena, S.Kailas Resonant breakup of 8Be in 112Sn (7Li, 8Be → 2α) reaction NUCLEAR REACTIONS 112Sn(7Li, 7Li), (7Li, 8Be), E=30 MeV; measured reaction products p, d, t, α, 6He and 6,7Li, Eα, Iα, αα-coin, differential σ(θ) from α+α breakup of 8Be in proton pickup channel, elastic scattering and transfer channels using double sided silicon strip detector array at the 14-UD Pelletron-Linac TIFR-BARC facility; deduced large angular separation of the α fragments. 8Be; deduced resonances, J, π, widths, σ for α+α sequential breakup of 7Li to 8Be and then to α+α through the 0+, 2+, and 4+ resonances in 8Be. 113Sb, 113Sn; deduced differential σ(θ) for g.s. and excited states through proton and neutron stripping channels. Comparison with CDDC plus CRC calculations using FRESCO code.
doi: 10.1103/PhysRevC.98.014609
2018PA06 Phys.Rev. C 97, 014607 (2018) V.V.Parkar, SushilK.Sharma, R.Palit, S.Upadhyaya, A.Shrivastava, S.K.Pandit, K.Mahata, V.Jha, S.Santra, K.Ramachandran, T.N.Nag, P.K.Rath, B.Kanagalekar, T.Trivedi Investigation of complete and incomplete fusion in the 7Li + 124Sn reaction near Coulomb barrier energies NUCLEAR REACTIONS 124Sn(7Li, 8Li), (7Li, 6Li), (7Li, 3n), (7Li, 4n), (7Li, 5n), (t, n), (t, 2n), (t, 3n), 123mSn/125Sn/125mSn/124Sb/125Sb/125Sb/126mSb/126I/128I, E(7Li)=17-39 MeV, [triton from 7Li breakup]; measured on-line and off-line Eγ, Iγ, σ(E) for 2n+3n+4n, complete fusion σ(E), total fusion σ(E), incomplete fusion σ(E) for 1n-stripping and 1n-pickup channels at the 14UD BARC-TIFR Pelletron-Linac accelerator facility, Mumbai. Comparison with theoretical calculations of σ(E) using CCFULL code, and continuum discretized coupled channel (CDCC) formalism. 125m,128I; measured decay curves and half-lives.
doi: 10.1103/PhysRevC.97.014607
2018PA24 Phys.Rev. C 98, 014601 (2018) V.V.Parkar, S.K.Pandit, A.Shrivastava, R.Palit, K.Mahata, V.Jha, K.Ramachandran, S.Gupta, S.Santra, S.K.Sharma, S.Upadhyaya, T.N.Nag, S.Bhattacharya, T.Trivedi, S.Kailas Fusion reaction studies for the 6Li + 124Sn system at near-barrier energies NUCLEAR REACTIONS 124Sn(6Li, X)126I/127I/123Sn/125Sn/125Sb/124Sb/127Te/126Te, E=17.5-35.7 MeV; 159Tb(6Li, X)160Ho/162Ho, E=23.7-33.8 MeV; measured Eγ, Iγ, σ(E) for evaporation residues, complete, incomplete and total fusion (CF, ICF, TF), transfer and capture reactions by online and offline activation methods at the BARC-TIFR Pelletron-Linac facility. Comparison with previous experimental incomplete fusion σ for 209Bi, 197Au, 159Tb, 124Sn(7Li, X), (6Li, X) reactions, and with statistical model and coupled channel calculations using PACE and CCFULL codes.
doi: 10.1103/PhysRevC.98.014601
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
2018RO04 Phys.Rev. C 97, 034603 (2018) B.J.Roy, Y.Sawant, P.Patwari, S.Santra, A.Pal, A.Kundu, D.Chattopadhyay, V.Jha, S.K.Pandit, V.V.Parkar, K.Ramachandran, K.Mahata, B.K.Nayak, A.Saxena, S.Kailas, T.N.Nag, R.N.Sahoo, P.P.Singh, K.Sekizawa Deep-inelastic multinucleon transfer processes in the 16O + 27Al reaction NUCLEAR REACTIONS 27Al(16O, 16O), (16O, 6Li), (16O, 7Li), (16O, 7Be), (16O, 9Be), (16O, 10B), (16O, 11B), (16O, 12C), (16O, 13C), (16O, 14N), (16O, 15N), E=134 MeV; measured reaction products, σ(θ) for elastic-scattering and for various transfer channels, total kinetic energy loss spectra at the TIFR Pelletron-LINAC accelerator facility, Mumbai; deduced Q value, and angle-integrated production cross sections for various proton-transfer channels. Comparison with calculated production cross sections using time-dependent Hartree-Fock (TDHF) theory and recently developed method TDHF+GEMINI, and secondary deexcitation processes using a statistical model GEMINI++. Discussed possible interplay between fusion-fission, deep-inelastic, multinucleon transfer, and particle evaporation processes.
doi: 10.1103/PhysRevC.97.034603
2017KU06 Phys.Rev. C 95, 034615 (2017) A.Kundu, S.Santra, A.Pal, D.Chattopadhyay, R.Tripathi, B.J.Roy, T.N.Nag, B.K.Nayak, A.Saxena, S.Kailas Elastic, inelastic, and 1-nucleon transfer channels in the 7Li + 120Sn system NUCLEAR REACTIONS 120Sn(7Li, 7Li), (7Li, 7Li'), (7Li, 6Li), (7Li, 6He), E=28, 30 MeV; measured proton, deuteron, triton, α, 6He, 6,7,8Li spectra differential σ(θ, E) using E-ΔE detector system at BARC-TIFR Pelletron facility. 120,121Sn, 121Sb; deduced levels, cross sections, particle-core spectroscopic factors for 1n- and 1p- transfer reactions. Cross sections compared with coupled-reaction-channels (CRC) calculations.
doi: 10.1103/PhysRevC.95.034615
2017PA24 Phys.Rev. C 96, 024603 (2017) A.Pal, S.Santra, D.Chattopadhyay, A.Kundu, K.Ramachandran, R.Tripathi, B.J.Roy, T.N.Nag, Y.Sawant, D.Sarkar, B.K.Nayak, A.Saxena, S.Kailas Projectile-breakup-induced fission-fragment angular distributions in the 6Li + 232Th reaction NUCLEAR REACTIONS 232Th(6Li, F), (6Li, αF), (6Li, dF), (6Li, pF), E=28, 32, 36 MeV; measured fission fragments, (fission fragment)α-, (fission fragment)d- and (fission fragment)p-coin, angular distributions for inclusive fission fragments and fission fragments in coincidence with α, deuterons and protons, yield distributions for α, deuterons and protons at BARC-TIFR Pelletron accelerator facility; deduced fission fragment anisotropy for inclusive and transfer-fission. Comparison with statistical saddle-point model (SSPM), and entrance-channel dependent (ECD) model calculations. Discussed effect of 6Li projectile breakup.
doi: 10.1103/PhysRevC.96.024603
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
2016CH50 Phys.Rev. C 94, 061602 (2016) D.Chattopadhyay, S.Santra, A.Pal, A.Kundu, K.Ramachandran, R.Tripathi, D.Sarkar, S.Sodaye, B.K.Nayak, A.Saxena, S.Kailas Resonant, direct, and transfer breakup of 6Li by 112Sn NUCLEAR REACTIONS 112Sn(6Li, 6Li), (6Li, 5Li), (6Li, 8Be), E=22, 30 MeV; measured α, deuteron and proton spectra in coincidence mode from the breakup of 6Li into α+d, 7Li into α+p, and 8Be into α+α, yield distributions, angular distributions at 14-UD Pelletron-Linac TIFR-BARC facility. 6Li; deduced resonances, J, π, α+d breakup through 1+ resonance. 110In, 113Sn; observed excited states. Comparison with coupled reaction channels (CRC) and continuum discretized coupled channels (CDCC) calculations using FRESCO code.
doi: 10.1103/PhysRevC.94.061602
2016KU16 Phys.Rev. C 94, 014603 (2016) A.Kundu, S.Santra, A.Pal, D.Chattopadhyay, B.K.Nayak, A.Saxena, S.Kailas Probing systematic model dependence of complete fusion for reactions with the weakly bound projectiles 6, 7Li NUCLEAR REACTIONS 64Ni, 90Zr, 144,152Sm, 159Tb, 197Au, 209Bi(6Li, X); 64Ni, 144,152Sm, 159Tb, 197Au, 209Bi(7Li, X), E(cm)=20-40 MeV; calculated complete fusion cross sections using coupled channels codes CCFULL and FRESCO; deduced fusion functions and compared with Universal Fusion Function (UFF); analyzed systematic differences between the two codes. Model dependence of enhancement or suppression of complete fusion. Compared with calculations for 148Sm(16O, X), E(cm)=55-75 MeV.
doi: 10.1103/PhysRevC.94.014603
2016PA07 Phys.Rev. C 93, 021602 (2016) B.Pandey, V.V.Desai, S.V.Suryanarayana, B.K.Nayak, A.Saxena, E.T.Mirgule, S.Santra, K.Mahata, R.Makawana, M.Abhangi, T.K.Basu, C.V.S.Rao, S.Jakhar, S.Vala, B.Sarkar, H.M.Agrawal, G.Kaur, P.M.Prajapati, A.Pal, D.Sarkar, A.Kundu Measurement of 55Fe (n, p) cross sections by the surrogate-reaction method for fusion technology applications NUCLEAR REACTIONS 52Cr(6Li, d)56Fe, 45Sc(6Li, α)47Ti, E=33.0, 35.75 MeV; measured spectra of protons, deuterons, tritons, α-particles, pd-coin. Natural Cr and Sc targets. 55Fe(n, p), E=7.9-20.1 MeV; deduced σ(E) via surrogate-reaction method, and compared with EAF-2010, TENDL-2014, and ROSFOND-2010 evaluated libraries and theoretical calculations using EMPIRE-3.2.3. Relevance to fusion technology.
doi: 10.1103/PhysRevC.93.021602
2015PA25 Nucl.Phys. A940, 167 (2015) A.Parmar, Sonika, B.J.Roy, V.Jha, U.K.Pal, T.Sinha, S.K.Pandit, V.V.Parkar, K.Ramachandran, K.Mahata, S.Santra, A.K.Mohanty Understanding the two neutron transfer reaction mechanism in 206Pb(18O, 16O)208Pb NUCLEAR REACTIONS 206Pb(18O, 18O), (18O, 16O), E=79 MeV; measured E(16,18O), I(16,18O, θ) using SSB's (silicon surface barrier) telescopes; deduced σ(θ), one- and two-nucleon transfer probability; calculated σ(θ) using FRES 2.9 CC code.
doi: 10.1016/j.nuclphysa.2015.04.004
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
2015PA27 Phys.Rev. C 91, 054618 (2015) A.Pal, S.Santra, B.K.Nayak, K.Mahata, V.V.Desai, D.Chattopadhyay, R.Tripathi Determination of 238Pu(n, f) and 236Np(n, f) cross sections using surrogate reactions NUCLEAR REACTIONS 232Th, 235U(6Li, dF), E=44.4 MeV; 235U(6Li, αF), E=44.4 MeV; measured E(d), I(d), (fission fragment)(light charged particles)-coin, coincident and inclusive spectra for α and deuterons at BARC-TIFR Pelletron accelerator facility. 238Pu(n, F), E<25 MeV; deduced σ(E) using surrogate ratio (SR) method. 236Np(n, F), E<25 MeV; deduced σ(E) using hybrid surrogate ratio (HSR) method. Comparison with calculations using EMPIRE-3.1 computer code, ENDF/B-VII.1 evaluation and previous experimental data.
doi: 10.1103/PhysRevC.91.054618
2015SO17 Phys.Rev. C 92, 024603 (2015) Sonika, B.J.Roy, A.Parmar, U.K.Pal, H.Kumawat, V.Jha, S.K.Pandit, V.V.Parkar, K.Ramachandran, K.Mahata, A.Pal, S.Santra, A.K.Mohanty, K.Sekizawa Multinucleon transfer study in 206Pb(18O, x) at energies above the Coulomb barrier NUCLEAR REACTIONS 206Pb(18O, 20O), (18O, 19O), (18O, 17O), (18O, 16O), (18O, 18N), (18O, 17N), (18O, 16N), (18O, 15N), (18O, 14N), (18O, 16C), (18O, 15C), (18O, 14C), (18O, 13C), (18O, 12C), (18O, 12B), (18O, 11B), (18O, 10B), (18O, 10Be), (18O, 9Be), (18O, 18O)E=139 MeV; measured particle spectra, elastic σ(θ), total kinetic energy loss (TKEL) spectra, angular distributions at Pelletron-LINAC accelerator of BARC-TIFR facility; deduced Q values and angle integrated cross sections. Comparison with fully microscopic time-dependent Hartree-Fock (TDHF) calculations, based on the independent single-nucleon transfer mode. Discussed effect of particle evaporation on the production cross sections, and possible origin of discrepancies.
doi: 10.1103/PhysRevC.92.024603
2015TR03 Phys.Rev. C 92, 024610 (2015) R.Tripathi, S.Sodaye, K.Sudarshan, B.K.Nayak, A.Jhingan, P.K.Pujari, K.Mahata, S.Santra, A.Saxena, E.T.Mirgule, R.G.Thomas Fission fragment mass distributions in 35Cl + 144, 154Sm reactions NUCLEAR REACTIONS 144,154Sm(35Cl, F), E=152.5, 156.1, 163.7 MeV; measured time-of-flight of the fission fragments and their mass distributions at BARC-TIFR Pelletron LINAC facility. Comparison with experimental data for 142Nd(40Ca, X) reaction. Fits of fragment mass distribution to Gaussian distribution. Relevance to asymmetric fission in A≈180 region.
doi: 10.1103/PhysRevC.92.024610
2014PA07 Phys.Rev. C 89, 024607 (2014); Erratum Phys.Rev. C 100, 039902 (2019) C.S.Palshetkar, S.Thakur, V.Nanal, A.Shrivastava, N.Dokania, V.Singh, V.V.Parkar, P.C.Rout, R.Palit, R.G.Pillay, S.Bhattacharyya, A.Chatterjee, S.Santra, K.Ramachandran, N.L.Singh Fusion and quasi-elastic scattering in the 6, 7Li+197Au systems NUCLEAR REACTIONS 197Au(6Li, 6Li), (6Li, 6Li'), (6Li, X)198Pb/199Pb/199mPb/200Pb/201Pb/196Au/198Au/199Au/197mHg/199Tl/200Tl, E=23-44 MeV; 197Au(7Li, 7Li), (7Li, 7Li'), (7Li, X)198Pb/199Pb/199mPb/200Pb/201Pb/196Au/198Au/199Au/197mHg/199mHg/199Tl/200Tl, E=23-44 MeV; measured E-ΔE spectrum, Eγ and Iγ in off-line mode, activation technique, half-lives of isotopes formed in various reaction channels; deduced σ(E) for quasielastic, fusion, neutron-transfer, deuteron and α captures (d and α from breakup of 6,7Li), barrier distributions. 197Au(6Li, X)196Hg/198Hg, 197Au(7Li, X)196Hg/198Hg, E=23-44 MeV; measured prompt γ spectra, Eγ, Iγ, γγ-coin, σ(E) using INGA array. Experiments performed at BARC-TIFR Pelletron accelerator facility. Comparison with coupled-channel calculations using CCFULL code. RADIOACTIVITY 199Pb(EC), (β+); measured Eγ, half-life. Comparison with evaluated data.
doi: 10.1103/PhysRevC.89.024607
2014PA26 Phys.Rev. C 89, 064610 (2014) C.S.Palshetkar, S.Santra, A.Shrivastava, A.Chatterjee, S.K.Pandit, K.Ramachandran, V.V.Parkar, V.Nanal, V.Jha, B.J.Roy, S.Kalias Elastic scattering and α production in the 9Be + 89Y system NUCLEAR REACTIONS 89Y(9Be, 9Be), E=18.6, 20.6, 22.7, 24.7, 26.7, 28.7, 33.2 MeV; measured particle spectra, elastic σ(θ, E), inclusive breakup-α σ(θ); deduced ratio of elastic and Rutherford σ(θ), reaction σ at BARC-TIFR Pelletron facility; deduced optical potential parameters, reaction σ(E). Comparison with continuum-discretized coupled-channel (CDCC) and coupled reaction channel (CRC) calculations with α+5He and 8Be+n cluster models. Indication of breakup threshold anomaly (BTA) for the system. Comparison of reduced σ(E) data from reactions involving scattering of 4He on 89Y, 92Mo, 112,120,124Sn targets, 6He on 122Sn, 6Li on 90Zr, 138Ba, 7Li on 138Ba, 9Be on 27Al, 64Zn, 89Y, 144Sm, 208Pb, 209Bi, 12C on 144,152Sm, and 16O on 40Ca, 92Zr, 138Ba.
doi: 10.1103/PhysRevC.89.064610
2014PA31 Phys.Rev. C 90, 014603 (2014) A.Parihari, S.Santra, A.Pal, N.L.Singh, K.Mahata, B.K.Nayak, R.Tripathi, K.Ramachandran, P.K.Rath, R.Chakrabarti, S.Kailas Fission fragment angular distributions in 6, 7Li + 235, 238U reactions NUCLEAR REACTIONS 235,238U(6Li, F), (7Li, F), E=28-42 MeV; measured fission fragment spectra, fission fragment σ(θ, E), fission and fusion σ(E), fission fragment anisotropies as a function of center of mass energy at 14 UD BARC-TIFR pelletron facility; deduced mean square angular momenta <L2> from fission fragment anisotropy. Comparison with statistical saddle-point model (SSPM), entrance-channel dependent (ECD), and coupled-channel (CCDEF code) calculations. Discussed effect of projectile breakup.
doi: 10.1103/PhysRevC.90.014603
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
2014SI03 Phys.Rev. C 89, 024609 (2014) V.Singh, B.R.Behera, M.Kaur, A.Kumar, K.P.Singh, N.Madhavan, S.Nath, J.Gehlot, G.Mohanto, A.Jhingan, Ish Mukul, T.Varughese, J.Sadhukhan, S.Pal, S.Goyal, A.Saxena, S.Santra, S.Kailas Measurement of evaporation residue excitation functions for the 19F + 194, 196, 198Pt reactions NUCLEAR REACTIONS 194Pt, 196Pt, 198Pt(19F, X)213Fr*/215Fr*/217Fr*, E=96.2-137.3 MeV; measured spectra and angular distribution of evaporation residues (ER), σ(ER, E) using HYRA analyzer at IUAC-Pelletron-Linac facility; deduced survival probability, scaling of the FRLDM fission barrier. Comparison with statistical model calculations.
doi: 10.1103/PhysRevC.89.024609
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
2013PA09 Phys.Rev. C 87, 034602 (2013) V.V.Parkar, V.Jha, S.K.Pandit, S.Santra, S.Kailas Exploring the breakup and transfer coupling effects in 9Be elastic scattering NUCLEAR REACTIONS 28Si, 64Zn, 144Sm(9Be, 9Be), E=12, 14, 17, 20, 23, 26, 30 MeV; analyzed elastic σ(θ, E), dynamic polarization potential (DPP) for 8Be+n and 5He+4He cluster structures of 9Be. Continuum discretized coupled channel (CDCC) and coupled reaction channel (CRC) calculations. Breakup and transfer couplings.
doi: 10.1103/PhysRevC.87.034602
2013PA34 Pramana 81, 587 (2013) D.Patel, S.Santra, S.Mukherjee, B.K.Nayak, P.K.Rath, V.V.Parkar, R.K.Choudhury Elastic scattering and fusion cross-sections in 7Li + 27Al reaction NUCLEAR REACTIONS 27Al(7Li, 7Li), (7Li, X)30Si/29Si/28Si/26Mg/29Al, E=8-16 MeV; measured reaction products, Eα, Iα; deduced σ, σ(θ, E). Comparison with coupled-channels and transfer calculations using FRESCO.
doi: 10.1007/s12043-013-0597-1
2013PR09 Phys.Rev. C 88, 064603 (2013) M.K.Pradhan, A.Mukherjee, S.Roy, P.Basu, A.Goswami, R.Kshetri, R.Palit, V.V.Parkar, M.Ray, M.S.Sarkar, S.Santra Importance of the 1n-stripping process in the 6Li + 159Tb reaction NUCLEAR REACTIONS 159Tb(6Li, 6Li), (6Li, nα), (6Li, 2nα), (6Li, 3nα), (6Li, xnα), (6Li, 5Li), (6Li, 7Li), E=23, 25, 27, 30, 35 MeV; measured Eα, Iα, σ(θ, E) for inclusive α, σ(E) for deuteron-capture and proton stripping incomplete fusion (ICF), neutron pickup and stripping at the BARC-TIFR Pelletron facility. Comparison with CDCC calculations for no-capture breakup (NCBU) using FRESCO computer code. Also DWBA calculations.
doi: 10.1103/PhysRevC.88.064603
2013RA27 Phys.Rev. C 88, 044617 (2013) P.K.Rath, S.Santra, N.L.Singh, B.K.Nayak, K.Mahata, R.Palit, K.Ramachandran, S.K.Pandit, A.Parihari, A.Pal, S.Appannababu, SushilK.Sharma, D.Patel, S.Kailas Complete fusion in 7Li+144, 152Sm reactions NUCLEAR REACTIONS 144,152Sm(7Li, xn), E=20-40 MeV; measured Eγ, Iγ, σ(E) for evaporation residues (ER) 147,147m,148,148m,149,149m,154,155,156Tb formed in x=2-5 channels, and complete fusion σ(E) at BARC-TIFR facility; deduced level-density parameter; calculated σ(E) for ER using statistical model code PACE, σ(E) for fusion using CCFULL and FRESCO coupled-channel codes. Comparison of scaled σ with other reactions and universal fusion function.
doi: 10.1103/PhysRevC.88.044617
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
2012DE22 Phys.Scr. T150, 014011 (2012) A.Dey, S.Kundu, T.K.Rana, K.Banerjee, C.Bhattacharya, M.Biswas, T.K.Ghosh, H.Pai, G.Mukherjee, J.K.Meena, D.Gupta, S.Bhattacharya, S.Mukhopadhyay, D.Pandit, S.R.Banerjee, S.Kumar, A.Chatterjee, K.Ramachandran, K.Mahata, S.Santra, S.Pandit Study of the 1p transfer channel in the 12C + 27Al reaction at 6-7 MeV per nucleon NUCLEAR REACTIONS 27Al(12C, 11B)28Si, E=73, 81, 85 MeV; measured reaction products. 28Si; deduced σ, σ(θ), spectroscopic factors for different excited states. ECIS94 and distorted-wave Born approximation, comparison with available data.
doi: 10.1088/0031-8949/2012/T150/014011
2012KU19 Phys.Rev. C 85, 064607 (2012) S.Kundu, C.Bhattacharya, K.Banerjee, T.K.Rana, S.Bhattacharya, A.Dey, T.K.Ghosh, G.Mukherjee, J.K.Meena, P.Mali, S.Mukhopadhyay, D.Pandit, H.Pai, S.R.Banerjee, D.Gupta, P.Banerjee, Suresh Kumar, A.Shrivastava, A.Chatterjee, K.Ramachandran, K.Mahata, S.K.Pandit, S.Santra Complex-fragment emission in low-energy light-ion reactions NUCLEAR REACTIONS 28Si(12C, X), E=77 MeV; 28Si(11B, X), E=64 MeV; 27Al(12C, X), E=73 MeV; measured particle spectra for Z=3-5 fragments, fragment σ(E, θ, Z), total fusion-fission fragment and deep inelastic fragment cross sections, angular distribution of deep inelastic fragments; deduced average Q values, angular momentum dissipation factor with fragment. Comparison with theoretical predictions from statistical model.
doi: 10.1103/PhysRevC.85.064607
2012RA01 Nucl.Phys. A874, 14 (2012) P.K.Rath, S.Santra, N.L.Singh, K.Mahata, R.Palit, B.K.Nayak, K.Ramachandran, V.V.Parkar, R.Tripathi, S.K.Pandit, S.Appannababu, N.N.Deshmukh, R.K.Choudhury, S.Kailas Fusion of 6Li with 152Sm: Role of projectile breakup versus target deformation NUCLEAR REACTIONS 152Sm(6Li, xn), E=20-40 MeV; measured Eγ, Iγ; deduced complete, incomplete fusion σ also for isomeric states 154Tbm1,154Tbm2, reaction mechanism; calculated σ using CC and statistical code PACE, fusion σ using proximity potentials; deduced level density parameters. Comparison of scaled σ with other reactions.
doi: 10.1016/j.nuclphysa.2011.10.004
2012SA03 Phys.Rev. C 85, 014612 (2012) S.Santra, S.Kailas, V.V.Parkar, K.Ramachandran, V.Jha, A.Chatterjee, P.K.Rath, A.Parihari Disentangling reaction mechanisms for α production in the 6Li + 209Bi reaction NUCLEAR REACTIONS 209Bi(6Li, α), E=24-50 MeV; measured particle spectra, inclusive breakup α cross sections, σ(E, θ) for α production; calculated breakup and transfer channel contributions. Sum-rule model. Comparison with continuum-discretized-coupled-channels calculations. Systematics of experimental inclusive breakup α cross sections with 6Li projectile and 28Si, 58Ni, 59Co, 90Zr, 118,120Sn, 208Pb, 209Bi targets.
doi: 10.1103/PhysRevC.85.014612
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
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
2011PA23 Phys.Rev. C 84, 031601 (2011) S.K.Pandit, V.Jha, K.Mahata, S.Santra, C.S.Palshetkar, K.Ramachandran, V.V.Parkar, A.Shrivastava, H.Kumawat, B.J.Roy, A.Chatterjee, S.Kailas Investigation of cluster structure of 9Be from high precision elastic scattering data NUCLEAR REACTIONS 208Pb(9Be, 9Be), E=24-34 MeV; measured particle spectra, energy loss, σ, σ(θ). Continuum discretized coupled channel (CDCC) and coupled reaction channel (CRC) analysis using the computer code FRESCO. 9Be; deduced cluster structures α+5He and n+8Be from comparison with calculations.
doi: 10.1103/PhysRevC.84.031601
2011PA25 Radiochim.Acta Supp 1, Proc.in Radiochemistry 131 (2011) V.V.Parkar, R.Palit, S.K.Sharma, B.S.Naidu, P.K.Joshi, S.Santra, P.K.Rath, K.Ramachandran, K.Mahata, T.Trivedi, A.Raghav Complete and incomplete fusion in 9Be + 124Sn system NUCLEAR REACTIONS 124Sn(9Be, X), E=26-46 MeV; measured reaction products, Eγ, Iγ; deduced σ.
doi: 10.1524/rcpr.2011.0024
2011PR06 Phys.Rev. C 83, 064606 (2011) M.K.Pradhan, A.Mukherjee, P.Basu, A.Goswami, R.Kshetri, S.Roy, P.Roy Chowdhury, M.Saha-Sarkar, R.Palit, V.V.Parkar, S.Santra, M.Ray Fusion of 6Li with 159Tb at near-barrier energies NUCLEAR REACTIONS 159Tb(6Li, X)158Tb/158Dy/159Tb/159Dy/160Tb/160Dy/161Ho/160Er/161Er/162Er/163Er/, E=23-39 MeV; 159Tb(7Li, X)161Er/162Er/163Er/164Er/, E=28, 34, 37; measured Eγ, Iγ, on-line and off-line γ spectra, complete fusion cross sections, incomplete fusion (ICF) and/or transfer cross sections; deduced ratios of cross sections for different reaction channels. Comparison with previous data for 159Tb+6Li, 159Tb+7Li, 159Tb+10B, 159Tb+11B, 144Sm+6Li, 208Pb+6Li, 209Bi+6Li systems, and with Coupled-channel (CC) calculations using the computer code CCFULL.
doi: 10.1103/PhysRevC.83.064606
2011SA13 Phys.Rev. C 83, 034616 (2011) S.Santra, S.Kailas, K.Ramachandran, V.V.Parkar, V.Jha, B.J.Roy, P.Shukla Reaction mechanisms involving weakly bound 6Li and 209Bi at energies near the Coulomb barrier NUCLEAR REACTIONS 209Bi(6Li, 6Li), (6Li, 6Li'), (6Li, X), E=38 MeV; measured fragment spectra, σ(θ); deduced σ for elastic, inelastic, and transfer channels. Comparison with optical model (OM) and coupled-channel (CC) calculations.
doi: 10.1103/PhysRevC.83.034616
2010KU10 Phys.Rev. C 81, 054601 (2010) H.Kumawat, V.Jha, V.V.Parkar, B.J.Roy, S.Santra, V.Kumar, D.Dutta, P.Shukla, L.M.Pant, A.K.Mohanty, R.K.Choudhury, S.Kailas Inclusive α-production cross section for the 6Li + 90Zr system at energies near the fusion barrier NUCLEAR REACTIONS 90Zr(6Li, X), E=15, 17, 19, 21, 25, 30 MeV; measured α-spectra, σ and σ(θ). Comparison with DWBA and statistical model calculations.
doi: 10.1103/PhysRevC.81.054601
2010PA30 Phys.Rev. C 82, 044608 (2010) C.S.Palshetkar, S.Santra, A.Chatterjee, K.Ramachandran, S.Thakur, S.K.Pandit, K.Mahata, A.Shrivastava, V.V.Parkar, V.Nanal Fusion of the weakly bound projectile 9Be with 89Y NUCLEAR REACTIONS 89Y(9Be, xn)96Tc/95Tc/94Tc/92Nb, E=19-33 MeV; 89Y(12C, xn)99Rh/98Rh/97Rh/96Tc/95Tc, E=32-47 MeV; 93Nb(α, xn)96Tc/95Tc, E=10-17 MeV; measured Eγ, Iγ, complete and incomplete fusion σ(E), excitation functions deduced barrier distributions and breakup effects. Coupled-channel (CC) calculations.
doi: 10.1103/PhysRevC.82.044608
2010PA32 Phys.Rev. C 82, 054601 (2010) V.V.Parkar, R.Palit, Sushil K.Sharma, B.S.Naidu, S.Santra, P.K.Joshi, P.K.Rath, K.Mahata, K.Ramachandran, T.Trivedi, A.Raghav Fusion cross sections for the 9Be+124Sn reaction at energies near the Coulomb barrier NUCLEAR REACTIONS 124Sn(9Be, X), E=26-38 MeV; measured Eγ, Iγ, complete and incomplete fusion σ using γ-ray activation method. Comparison with coupled-channel (CC) calculations and with data from other reactions.
doi: 10.1103/PhysRevC.82.054601
2010SA19 Nucl.Phys. A834, 186c (2010) S.Santra, V.V.Parkar, K.Ramachandran, A.Shrivastava, B.J.Roy, B.K.Nayak, A.Chatterjee, R.K.Choudhury, S.Kalias Asymmetry in resonant breakup peaks in 6Li+209Bi reaction NUCLEAR REACTIONS 209Bi(6Li, α), (6Li, d), E=36, 40 MeV; measured Eα, Iα(θ), Ed, Id(θ), dα-coin; deduced σ(θ). 209Bi(6Li, 6Li), E=36, 40 MeV; measured σ(θ). Comparison with CDCC calculations. Sequential breakup via resonant state.
doi: 10.1016/j.nuclphysa.2009.12.035
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
2009PA05 Pramana 72, 363 (2009) V.V.Parkar, V.Jha, S.Santra, B.J.Roy, K.Ramachandran, A.Shrivastava, K.Mahata, A.Chatterjee, S.Kailas Reaction mechanism study of 7Li(7Li, 6He) reaction at above Coulomb barrier energies NUCLEAR REACTIONS 7Li(7Li, 6He), E=20, 25 MeV; measured σ(θ). Compared results to model calculations.
doi: 10.1007/s12043-009-0032-9
2009RA08 Phys.Rev. C 79, 051601 (2009) P.K.Rath, S.Santra, N.L.Singh, R.Tripathi, V.V.Parkar, B.K.Nayak, K.Mahata, R.Palit, Suresh Kumar, S.Mukherjee, S.Appannababu, R.K.Choudhury Suppression of complete fusion in the 6Li+144Sm reaction NUCLEAR REACTIONS 144Sm(6Li, 2n), (6Li, 3n), E=20-40 MeV; measured Eγ, Iγ, cross sections. 159Tb, 165Ho(7Li, X), 162Dy(α, X), 160Gd(12C, X), E not given; discussed systematics of reactions. Comparison with coupled channel calculations.
doi: 10.1103/PhysRevC.79.051601
2009SA26 Phys.Lett. B 677, 139 (2009) S.Santra, V.V.Parkar, K.Ramachandran, U.K.Pal, A.Shrivastava, B.J.Roy, B.K.Nayak, A.Chatterjee, R.K.Choudhury, S.Kailas Resonant breakup of 6Li by 209Bi NUCLEAR REACTIONS 209Bi(6Li, α), E=36, 40 MeV; measured Eα, Iα, Ed, Id, (charged-particle)(charged-particle)-coin, σ, σ(θ); deduced reaction mechanism features. Comparison with coupled-channel calculations.
doi: 10.1016/j.physletb.2009.05.016
2008KU16 Phys.Rev. C 78, 044617 (2008) H.Kumawat, V.Jha, B.J.Roy, V.V.Parkar, S.Santra, V.Kumar, D.Dutta, P.Shukla, L.M.Pant, A.K.Mohanty, R.K.Choudhury, S.Kailas Breakup threshold anomaly in the elastic scattering for the 6Li + 90Zr system NUCLEAR REACTIONS 90Zr(6Li, 6Li), E=11, 12, 13, 14, 15, 17, 19, 21, 25, 30 MeV; measured angular distributions, σ, optical potentials, normalization factors. Comparison with Continuum Discretized Coupled Channels calculations.
doi: 10.1103/PhysRevC.78.044617
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
2008PA26 Phys.Rev. C 78, 021601 (2008) V.V.Parkar, V.Jha, B.J.Roy, S.Santra, K.Ramachandran, A.Shrivastava, A.Chatterjee, S.R.Jain, A.K.Jain, S.Kailas Dipole polarizability of 7Li from precision measurement of the elastic scattering on 208Pb below the Coulomb barrier NUCLEAR REACTIONS 208Pb(7Li, 7Li), E=18-28 MeV; measured reaction product spectra, scattering σ; 7Li; deduced dipole polarizability. Comparison with continuum discretized coupled channel calculations.
doi: 10.1103/PhysRevC.78.021601
2007PA33 Nucl.Phys. A792, 187 (2007) V.V.Parkar, K.Mahata, S.Santra, S.Kailas, A.Shrivastava, K.Ramachandran, A.Chatterjee, V.Jha, P.Singh Fusion cross sections for 7Li + 12C system at near barrier energies NUCLEAR REACTIONS 12C(7Li, 7Li), E=7.5, 9, 12, 15 MeV; measured elastic σ(θ); deduced optical model parameters. 12C(7Li, αX), E=7.5, 9, 12, 15 MeV; measured Eα and σ(θ); analyzed fusion and direct σ. Comparison with previous data and model calculations.
doi: 10.1016/j.nuclphysa.2007.05.013
2006GE20 Phys.Rev.C 74, 065503 (2006) M.T.Gericke, J.D.Bowman, R.D.Carlini, T.E.Chupp, K.P.Coulter, M.Dabaghyan, M.Dawkins, D.Desai, S.J.Freedman, T.R.Gentile, R.C.Gillis, G.L.Greene, F.W.Hersman, T.Ino, G.L.Jones, M.Kandes, B.Lauss, M.Leuschner, W.R.Lozowski, R.Mahurin, M.Mason, Y.Masuda, G.S.Mitchell, S.Muto, H.Nann, S.A.Page, S.I.Penttila, W.D.Ramsay, S.Santra, P.-N.Seo, E.I.Sharapov, T.B.Smith, W.M.Snow, W.S.Wilburn, V.Yuan, H.Zhu, and the NPDGamma Collaboration Upper bounds on parity-violating γ-ray asymmetries in compound nuclei from polarized cold neutron capture NUCLEAR REACTIONS B, C, 27Al, Cu, 115In(polarized n, γ), E=low; measured Eγ, Iγ(θ); deduced upper bounds on parity-violating γ-ray asymmetry.
doi: 10.1103/PhysRevC.74.065503
2005GE07 J.Res.Natl.Inst.Stand.Technol. 110, 215 (2005) M.T.Gericke, J.D.Bowman, R.D.Carlini, T.E.Chupp, K.P.Coulter, M.Dabaghyan, D.Desai, S.J.Freeman, T.R.Gentile, R.C.Gillis, G.L.Greene, F.W.Hersman, T.Ino, S.Ishimoto, G.L.Jones, B.Lauss, M.B.Leuschner, B.Losowski, R.Mahurin, Y.Masuda, G.S.Mitchell, S.Muto, H.Nann, S.A.Page, S.I.Penttila, W.D.Ramsay, S.Santra, P.-N.Seo, E.I.Sharapov, T.B.Smith, W.M.Snow, W.S.Wilburn, V.Yuan, H.Zhu Commissioning of the NPDGamma Detector Array: Counting Statistics in Current Mode Operation and Parity Violation in the Capture of Cold Neutrons on B4C and 27Al NUCLEAR REACTIONS 10B, 27Al(polarized n, γ), E=low; measured parity-violating γ-ray asymmetry.
doi: 10.6028/jres.110.027
2005PA37 J.Res.Natl.Inst.Stand.Technol. 110, 195 (2005) S.A.Page, J.D.Bowman, R.D.Carlini, T.Case, T.E.Chupp, K.P.Coulter, M.Dabaghyan, D.Desai, S.J.Freedman, T.R.Gentile, M.T.Gericke, R.C.Gillis, G.L.Greene, F.W.Hersman, T.Ino, S.Ishimoto, G.L.Jones, B.Lauss, M.B.Leuschner, B.Losowski, R.Mahurin, Y.Masuda, G.S.Mitchell, H.Nann, S.I.Penttila, W.D.Ramsay, S.Santra, P.-N.Seo, E.I.Sharapov, T.B.Smith, W.M.Snow, W.S.Wilburn, V.Yuan, H.Zhu Measurement of Parity Violation in np Capture: the NPDGamma Experiment NUCLEAR REACTIONS Al(polarized n, γ), E=low; measured parity-violating γ-ray asymmetry.
doi: 10.6028/jres.110.024
2003MA18 Nucl.Phys. A720, 209 (2003) K.Mahata, S.Kailas, A.Shrivastava, A.Chatterjee, A.Navin, P.Singh, S.Santra, B.S.Tomar Fusion of 19F with 188, 192Os NUCLEAR REACTIONS 188,192Os(19F, xn), (19F, F), E=80-105 MeV; measured fission and evaporation residue excitation functions, fission fragments angular distributions. Comparison with statistical model predictions.
doi: 10.1016/S0375-9474(03)01005-4
2003MA31 Phys.Rev. C 68, 017602 (2003) H.Majumdar, C.Basu, P.Basu, S.Roy, K.Mahata, S.Santra, A.Chatterjee, S.Kailas Effect of higher order couplings in the barrier distribution of 12C+142Nd extracted from quasielastic excitation functions NUCLEAR REACTIONS 142Nd(12C, 12C), (12C, X), E=44-58 MeV; measured elastic, inelastic, and transfer σ; deduced barrier distributions. Coupled channels analysis with one and two phonon states.
doi: 10.1103/PhysRevC.68.017602
2003RA49 Phys.Rev. C 68, 051602 (2003) A.Ray, P.Das, S.R.Banerjee, A.De, S.Kailas, A.Chatterjee, S.Santra, S.K.Dutta, S.Saha, S.Roy Observation of unexpected orbiting behavior for 16O + 89Y and 16O + 93Nb reactions NUCLEAR REACTIONS 89Y(16O, X), E=95.9 MeV; 93Nb(12C, X), E=85.5 MeV; measured projectile-like fragments spectra, angular distributions; deduced exit channel excitation energy, orbiting behaviour, other reaction mechanism features.
doi: 10.1103/PhysRevC.68.051602
2002MA13 Phys.Rev. C65, 034613 (2002) K.Mahata, S.Kailas, A.Shrivastava, A.Chatterjee, P.Singh, S.Santra, B.S.Tomar Possible Influence of Neutron Shell Closure (Nc = 126) on Fission Anisotropies for 19F + 194, 198Pt Systems NUCLEAR REACTIONS 194,198Pt(19F, X), (19F, F), E=88-104 MeV; measured fission, fusion and evaporation residue σ, fragment angular distributions and anisotropies; deduced possible shell effects.
doi: 10.1103/PhysRevC.65.034613
2001SA41 Phys.Rev. C64, 024602 (2001) S.Santra, P.Singh, S.Kailas, A.Chatterjee, A.Shrivastava, K.Mahata Coupled Reaction Channel Analysis of Elastic, Inelastic, Transfer, and Fusion Cross Sections for 12C + 208Pb NUCLEAR REACTIONS 208Pb(12C, 12C), (12C, 12C'), (12C, 13C), (12C, 11B), E=58.9-84.9 MeV; measured σ(θ), σ(E, θ); deduced optical model parameters. 208Pb(12C, F), E=59-79 MeV; measured fission fragments angular distributions. 208Pb(12C, 2n), E=59-63 MeV; measured σ; deduced fusion σ. Coupled reaction channels analysis.
doi: 10.1103/PhysRevC.64.024602
2001SH20 Phys.Rev. C63, 054602 (2001) A.Shrivastava, S.Kailas, A.Chatterjee, A.Navin, A.M.Samant, P.Singh, S.Santra, K.Mahata, B.S.Tomar, G.Pollarolo Collectivity Against Nucleon Transfer in Sub-Barrier Fusion of 12C + 194, 198Pt NUCLEAR REACTIONS 194,198Pt(12C, X), E=55.5-73.0; measured fusion σ, compound nucleus spin distributions, transfer probabilities; 194,198Pt(12C, 12C), (12C, 13C), (12C, 11B), E=73.5 MeV; measured σ(θ); deduced barrier distributions, reaction mechanism features. Coupled channels analysis.
doi: 10.1103/PhysRevC.63.054602
2001SI02 Nucl.Phys. A679, 287 (2001) C.P.Silva, M.A.G.Alvarez, L.C.Chamon, D.Pereira, M.N.Rao, E.S.Rossi, Jr., L.R.Gasques, M.A.E.Santo, R.M.Anjos, J.Lubian, P.R.S.Gomes, C.Muri, B.V.Carlson, S.Kailas, A.Chatterjee, P.Singh, A.Shrivastava, K.Mahata, S.Santra The Heavy-Ion Nuclear Potential: Determination of a systematic behavior at the region of surface interaction distances NUCLEAR REACTIONS 120Sn(16O, 16O), E=53-55 MeV; 138Ba(16O, 16O), E=54-57 MeV; 208Pb(16O, 16O), E=74-78 MeV; measured σ(θ); deduced optical potentials. Double-folding calculations with microscopic densities.
doi: 10.1016/S0375-9474(00)00347-X
2000SA46 Pramana 54, 813 (2000) Structure Information from Fusion Barriers NUCLEAR REACTIONS 144Sm(16O, X), (16O, 16O'), E(cm)=55-70 MeV; 208Pb(16O, X), (16O, 16O'), E(cm)=70-95 MeV; calculated fusion, inelastic, reaction σ, fusion barrier distributions; deduced ambiguous structure information. Coupled channels approach.
doi: 10.1007/s12043-000-0177-z
1999SA32 Phys.Rev. C60, 024610 (1999) S.Santra, A.K.Mohanty, P.Singh Effect of Long Range Absorption on Upper Fusion Barriers NUCLEAR REACTIONS 144Sm(16O, X), E(cm)=55-75 MeV; 92Zr(16O, X), E(cm)=35-50 MeV;calculated fusion σ, barrier distributions; deduced long-range absorption, channel coupling effects. Optical model, barrier penetration model.
doi: 10.1103/PhysRevC.60.024610
1999SA38 Phys.Rev. C60, 034611 (1999) S.Santra, P.Singh, S.Kailas, A.Chatterjee, A.Navin, A.Shrivastava, A.M.Samant, K.Mahata Threshold Anomaly in 12C + 209Bi Scattering NUCLEAR REACTIONS 209Bi(12C, 12C), (12C, 12C'), (12C, 13C), E=58.9-87.4 MeV; measured σ(E, θ); deduced optical model parameters, fusion cross section. Coupled channel calculations. Projectile dependence of threshold anomaly discussed.
doi: 10.1103/PhysRevC.60.034611
Back to query form |