NSR Query Results
Output year order : Descending NSR database version of April 26, 2024. Search: Author = R.Dubey Found 40 matches. 2024CZ01 Phys.Rev. C 109, L021601 (2024) K.Czerski, R.Dubey, M.Kaczmarski, A.Kowalska, N.Targosz-Sleczka, G.Das Haridas, M.Valat Indications of electron emission from the deuteron-deuteron threshold resonance
doi: 10.1103/PhysRevC.109.L021601
2024VI01 J.Phys.(London) G51, 035103 (2024) Vikas, Kavita, K.S.Golda, T.K.Ghosh, A.Jhingan, P.Sugathan, A.Chatterjee, B.R.Behera, A.Kumar, R.Kumar, N.Saneesh, Mohit, A.Yadav, C.Yadav, S.Appannababu, S.K.Duggi, R.Dubey, K.Rani, N.Kumar, A.Banerjee, A.Rani, Kajal, Sh.Noor, J.Acharya, H.Singh Measurement of mass-angle and mass-total kinetic energy distributions from the fission of 190Pt compound nucleus NUCLEAR REACTIONS 178Hf(12C, X)190Pt, E=60-88.2 MeV; measured reaction products, fission fragments; deduced excitation energies, excitation energy at saddle point, measured mean mass-total kinetic energy (TKE), dependence of mean mass ratio as a function of mean center of mass emission angle, mass-energy correlations, TKE distributions are well described with the single Gaussian fits. The General Purpose Scattering Chamber facility at Inter University Accelerator Centre (IUAC), New Delhi.
doi: 10.1088/1361-6471/ad1f2f
2023RE09 Phys.Rev.Lett. 131, 052501 (2023) B.M.Rebeiro, S.Triambak, P.E.Garrett, G.C.Ball, B.A.Brown, J.Menendez, B.Romeo, P.Adsley, B.G.Lenardo, R.Lindsay, V.Bildstein, C.Burbadge, R.Coleman, A.Diaz Varela, R.Dubey, T.Faestermann, R.Hertenberger, M.Kamil, K.G.Leach, C.Natzke, J.C.Nzobadila Ondze, A.Radich, E.Rand, H.-F.Wirth 138Ba(d, α) Study of States in 136Cs: Implications for New Physics Searches with Xenon Detectors NUCLEAR REACTIONS 138Ba(d, α), E=22 MeV; measured reaction products, Eα, Iα; deduced energy levels, J, π, σ(θ), partial level scheme. Comparison with the shell-model results obtained with the GCN5082, SN100PN, and QX effective interactions. The Maier-Leibnitz Laboratorium in Garching, Germany.
doi: 10.1103/PhysRevLett.131.052501
2020GA06 Acta Phys.Pol. B51, 799 (2020) P.E.Garrett, L.Makhathini, R.A.Bark, T.r.rodriguez, S.Valbuena, V.Bildstein, T.D.Bucher, C.Burbadge, R.Dubey, T.Faestermann, R.Hertenberger, M.Kamil, E.A.Lawrie, K.G.Leach, A.D.MacLean, C.Malotana, C.Mehl, S.H.Mthembu, J.Mukwevho, C.Ngwetsheni, S.S.Ntshangase, J.Ondze, J.N.Orce, B.Rebeiro, B.Singh, S.Triambak, E.C.Vyfers, H-F.Wirth Shape Coexistence in the Ru Isotopes; Multi-spectroscopic Study of 98Ru and Beyond-mean-field Calculations
doi: 10.5506/APhysPolB.51.799
2020GA26 Phys.Lett. B 809, 135762 (2020) P.E.Garrett, L.Makhathini, R.A.Bark, T.R.Rodriguez, S.Valbuena, V.Bildstein, T.D.Bucher, C.Burbadge, R.Dubey, T.Faestermann, R.Hertenberger, M.Kamil, E.A.Lawrie, K.G.Leach, A.D.MacLean, C.Mehl, S.H.Mthembu, N.J.Mukwevho, C.Ngwetsheni, S.S.Ntshangase, J.C.Nzobadila Ondze, J.N.Orce, B.Rebeiro, B.Singh, S.Triambak, E.C.Vyfers, H.-F.Wirth Observation of the 0+2 and γ bands in 98Ru, and shape coexistence in the Ru isotopes RADIOACTIVITY 98Rh(β+), (EC) [from 89Y(12C, 3n), E=47.5 MeV]; measured decay products, Eγ, Iγ; deduced γ-ray energies and intensities, branching, σ(θ), J, π, bands. Comparison with theoretical calculations.
doi: 10.1016/j.physletb.2020.135762
2020JI03 Phys.Rev. C 101, 024611 (2020) P.Jisha, A.M.Vinodkumar, B.R.S.Babu, S.Nath, N.Madhavan, J.Gehlot, A.Jhingan, T.Banerjee, Ish Mukul, R.Dubey, N.Saneesh, K.M.Varier, E.Prasad, A.Shamlath, P.V.Laveen, M.Shareef Evaporation residue measurements of compound nuclei in the A ≈ 200 region NUCLEAR REACTIONS 181Ta(16O, X), (18O, X), E=68-110 MeV; measured reaction products, time-of-flight and E-ΔE, evaporation residue σ(E). Comparison with coupled-channel (CC) calculations using CCFULL code. 181Ta(16O, X), (18O, X), E(cm)=60-120 MeV; 180Hf(19F, X), E(cm)=70-115 MeV; analyzed present and previous experimental σ(E) data using the HIVAP code. 181Ta(12C, X), (13C, X), (16O, X), (18O, X), 174,176Yb, 181Ta, 182,184W(16O, X), E(cm)/VB=0.9-1.5; analyzed experimental data in literature for reduced cross sections of evaporation residues. 204,206,208Pb(12C, X), 180Hf, 181Ta, 197Au, 194,198Pt(19F, X), 181Ta, 188,192Os, 197Au(18O, X), 181Ta, 184,186W, 188,192Os, 197Au(16O, X), E not given; analyzed experimental data in literature for charge products ZpZt and neutron numbers of compound nuclei, fission barriers scaling factors, ratio of mass asymmetry values, and fusion probabilities.
doi: 10.1103/PhysRevC.101.024611
2019GE03 Phys.Rev. C 99, 061601 (2019) J.Gehlot, S.Nath, T.Banerjee, Is.Mukul, R.Dubey, A.Shamlath, P.V.Laveen, M.Shareef, Md.M.Shaikh, A.Jhingan, N.Madhavan, T.Rajbongshi, P.Jisha, S.Pal Search for stabilizing effects of the Z=82 shell closure against fission NUCLEAR REACTIONS 180Hf(19F, X)199Tl*,181Ta(19F, X)200Pb*,182W(19F, X)201Bi*, E=4.2-6.3 MeV/nucleon; measured charged-particle spectra, time-of-flight (TOF), ΔE versus TOF plots, evaporation residue (ER) σ(E) using the Heavy Ion Reaction Analyzer (HIRA) at IUAC-New Delhi accelerator facility; calculated capture σ(E) and ER σ(E) using coupled-channels formalism and statistical model, respectively. Comparison between measurements and calculations; deduced no enhanced stabilizing effects of the Z=82 shell closure against fission in the compound nucleus.
doi: 10.1103/PhysRevC.99.061601
2019GI15 Phys.Rev. C 100, 024621 (2019) P.K.Giri, D.Singh, A.Mahato, S.B.Linda, H.Kumar, S.A.Tali, S.Parasari, A.Ali, M.Afzal Ansari, R.Dubey, R.Kumar, S.Muralithar, R.P.Singh Systematic study of low-energy incomplete-fusion dynamics in the 16O + 148Nd system: Role of target deformation NUCLEAR REACTIONS 148Nd(16O, 3n)161Er, 148Nd(16O, 5n)159Er, 148Nd(16O, 6n)158Er, 148Nd(16O, 2np)161Ho, 148Nd(16O, 3np)160Ho, 148Nd(16O, 4np)159Ho, 148Nd(16O, 3nα)157Dy, 148Nd(16O, 5nα)155Dy, 148Nd(16O, 4npα)155Tb, E=67.2, 72.4, 77.4, 84.1, 89.1, 94.7, 99.9 MeV; measured Eγ, Iγ; deduced σ(E), incomplete fusion (ICF) σ(E), effect of target deformation; analyzed previous experimental σ(E) data for many other systems for fraction of incomplete fusion. Measured σ compared with statistical model code PACE-4, and with previous experimental data. Experiment was performed using the 15UD Pelletron accelerator facility at Inter-University Accelerator Centre (IUAC), New Delhi, India.
doi: 10.1103/PhysRevC.100.024621
2019KA29 Phys.Rev. C 100, 014620 (2019) K.Kapoor, N.Bansal, C.Sharma, S.Verma, K.Rani, R.Mahajan, B.R.Behera, K.P.Singh, A.Kumar, H.Singh, R.Dubey, N.Saneesh, M.Kumar, A.Yadav, A.Jhingan, P.Sugathan, B.K.Nayak, A.Saxena, H.P.Sharma, S.K.Chamoli Role of viscosity in fusion-fission dynamics via simultaneously measured neutron and α-particle multiplicities NUCLEAR REACTIONS 196Pt(16O, X)212Rn*, E=93, 99, 106 MeV pulsed beam; measured reaction products, particle-identification plot, Eα, Iα, En, In, (fragment)α- and (fragment)n-coin, pre-, and post-scission α and n multiplicity spectra, angular distributions using multiwire proportional counters for fragment detection, CsI(Tl) detectors for α detection, and organic scintillators for neutron detection at 15UD Pelletron facility of IUAC, New Delhi. Comparison with statistical model calculations using JOANNE2 code.
doi: 10.1103/PhysRevC.100.014620
2019KA38 Phys.Rev. C 100, 024626 (2019) Kavita, K.S.Golda, T.K.Ghosh, A.Jhingan, P.Sugathan, A.Chatterjee, B.R.Behera, Ashok Kumar, R.Kumar, N.Saneesh, M.Kumar, A.Yadav, C.Yadav, N.Kumar, A.Banerjee, A.Rani, S.K.Duggi, R.Dubey, K.Rani, S.Noor, J.Acharya, H.Singh Fusion-fission dynamics of 188, 190Pt through fission fragment mass distribution measurements NUCLEAR REACTIONS 160Gd(28Si, X)188Pt*, E=120, 125, 130, 135, 140 MeV; 178Hf(12C, X)190Pt*, E=70, 75, 80, 83.5, 88.2 MeV; measured reaction products, TOF, (fragment)(fragment)-coin, mass-yield distribution; deduced velocity distribution and mass ratio of fission fragments, width of the fission fragment distributions and the excitation energies. Comparison of width of mass distributions with saddle-point model. Measurement was performed at the Inter-university Accelerator Centre (IUAC), New Delhi, India.
doi: 10.1103/PhysRevC.100.024626
2019SH17 Phys.Rev. C 99, 034617 (2019) V.R.Sharma, R.Kumar, S.Mukherjee, E.F.Aguilera, M.Shuaib, P.P.Singh, A.Yadav, R.Dubey, S.Appannababu, J.C.Morales-Rivera, S.Kumar, B.P.Singh, R.Prasad Fissionlike events in the 14N + 181Ta system NUCLEAR REACTIONS 181Ta(14N, X)65Ga/72Ga/66Ge/67Ge/69mZn/71mZn/72Zn/70As/76Kr/79Kr/83Se/95Ru/105Rh/106mRh/106In/108In/109In/110In/130Sb/132Ce/133mCe/135I, E=72.9, 76.8, 79.18, 82.2 MeV; measured Eγ, Iγ, σ(E) using offline γ detection at the 15UD pelletron accelerator of IUAC, New Delhi; deduced isotopic yield distribution for In isotopes, mass distribution of fission products, and mass variance as a function of excitation energy for 195Hg. 65Ga; measured half-life for its decay. Comparison of measured σ with theoretical calculations using PACE code, and with previously measured isotopic yield distributions in the following fissioning systems: 159Tb, 169Tm, 181Ta(16O, X), E=57.1, 61.06, 67.04 MeV, 232,233Th(7Li, X), E=41.7 MeV, 232Th, 238U(11B, X), E=55.7, 67.4 MeV, 238U(22Ne, X), E=54.5 MeV, and 208Pb(20Ne, X), E=46.4 MeV.
doi: 10.1103/PhysRevC.99.034617
2018KA31 Acta Phys.Pol. B49, 651 (2018) G.Kaur, B.R.Behera, A.Jhingan, R.Dubey, T.Banerjee, M.Thakur, R.Mahajan, P.Sharma, Khushboo, N.Saneesh, A.Yadav, K.Kapoor, N.Kumar, K.Rani, P.Sugathan, N.Rowley Quasi-elastic Scattering in the 48Ti+232Th Reaction NUCLEAR REACTIONS 232Th(48Ti, x), E=220-285 MeV; measured reaction products energy, intensity, angle, mainly projectile-like particles using hybrid telescope array; separated pure QuasiElastic (QE) events; deduced barrier distribution, σ(θ); calculated barrier distribution, σ(θ) using coupled channels with deformation, vibration and rotation.
doi: 10.5506/aphyspolb.49.651
2018KU04 Eur.Phys.J. A 54, 47 (2018) H.Kumar, S.A.Tali, M.A.Ansari, D.Singh, R.Ali, Ka.Kumar, N.P.M.Sathik, A.Ali, S.Parashari, R.Dubey, I.Bala, R.Kumar, R.P.Singh, S.Muralithar Sensitivity of low-energy incomplete fusion to various entrance-channel parameters NUCLEAR REACTIONS 175Lu(12C, x), E≈88 MeV; measured Eγ, Iγ(t) from catcher Al foils using precalibrated HPGe and FRRD (Forward Recoil Range Distribution), LMT (Linear Momentum Transfer); deduced contributions of IFC (InComplete Fusion) and CF (Complete Fusion) σ, discrete states of ER T1/2. Compared with available data.
doi: 10.1140/epja/i2018-12483-8
2018MA48 Acta Phys.Pol. B49, 645 (2018) R.Mahajan, B.R.Behera, M.Thakur, G.Kaur, P.Sharma, K.Kapoor, P.Sugathan, A.Jhingan, A.Chatterjee, N.Saneesh, R.Dubey, A.Yadav, N.Kumar, H.Singh, A.Kumar, A.Saxena, S.Pal Fission Dynamics of 192, 202, 206, 210Po Compound Nuclei by Neutron Multiplicity Measurements NUCLEAR REACTIONS 144,154Sm(48Ti, x), E*=72 MeV; measured En, In; deduced neutron yields, double-differential yields, neutron pre and post multiplicities, pre and post temperatures of neutron sources; calculated neutron multiplicities, temperatures using compound nucleus statistical model with the strength of nuclear dissipation as a free parameter. Yields compared with 191Os(18O, x) and 194Pt(12C, x) reactions at 73.5 and 76.7 MeV, respectively, measured earlier; deduced no specific dependence on the (N-Z)/A of the fissioning nuclei, deduced importance of entrance channels.
doi: 10.5506/aphyspolb.49.645
2018MA55 Phys.Rev. C 98, 034601 (2018) R.Mahajan, B.R.Behera, M.Thakur, G.Kaur, P.Sharma, K.Kapoor, A.Kumar, P.Sugathan, A.Jhingan, A.Chatterjee, N.Saneesh, A.Yadav, R.Dubey, N.Kumar, H.Singh, A.Saxena, S.Pal Systematic study of 192, 202, 206, 210Po compound nuclei using neutron multiplicity as a probe NUCLEAR REACTIONS 144Sm(48Ti, X)192Po*, E=260 MeV; 154Sm(48Ti, X)202Po*, E=230 MeV; measured reaction products, time of flight, E(n), I(n), n(fragment)-coin, neutron multiplicity spectra using the NAND array for neutron detection at the 15 UD Pelletron+LINAC facility of IUAC-New Delhi; deduced compound nucleus pre- and post-scission neutron multiplicity and partial fusion σ. 194Pt(12C, X)206Po*, E*=76.7 MeV; 192Os(18O, X)210Po*, E*=73.5 MeV; analyzed compound nucleus pre-scission neutron multiplicity. Comparison with Shell model predictions for 192,202,206,210Po compound nuclei.
doi: 10.1103/PhysRevC.98.034601
2018PA42 Phys.Rev. C 98, 031601 (2018) A.Pal, S.Santra, D.Chattopadhyay, A.Kundu, A.Jhingan, P.Sugathan, N.Saneesh, M.Kumar, N.L.Singh, A.Yadav, C.Yadav, R.Dubey, K.Kapoor, K.Rani, H.Arora, A.C.Visakh, D.Kaur, B.K.Nayak, A.Saxena, S.Kailas, K.-H.Schmidt Mass distributions of fission fragments from nuclei populated by multinucleon transfer or incomplete fusion channels in 6, 7Li + 238U reactions NUCLEAR REACTIONS 238U(6Li, F), (6Li, αF), (6Li, tF), (6Li, dF), (6Li, pF), (7Li, F), (7Li, αF), (7Li, tF), (7Li, dF), (7Li, pF)241Pu/242Pu/243Pu/244Pu/240Np/241Np, E=30, 34, 40, 31.4, 41.4 MeV; measured mass and folding angle distributions for inclusive fission and fission fragments in coincidence with α, t, d, and p at IUAC-New Delhi Pelletron accelerator facility; deduced peak/valley ratio for inclusive and breakup/transfer-fission. Comparison with previous experimental data, and with predictions of GEF code. Discussed shell correction parameter for symmetric fragments.
doi: 10.1103/PhysRevC.98.031601
2018SH28 J.Phys.(London) G45, 095103 (2018) M.M.Shaikh, S.Nath, J.Gehlot, T.Banerjee, I.Mukul, R.Dubey, A.Shamlath, P.V.Laveen, M.Shareef, A.Jhingan, N.Madhavan, T.Rajbongshi, P.Jisha, G.N.Jyothi, A.Tejaswi, R.N.Sahoo, A.Rani Investigation of fusion hindrance in a soft asymmetric system deep below the barrier NUCLEAR REACTIONS 181Ta(19F, X), E=73.7, 85.7 MeV; measured reaction products, TOF; deduced σ. Comparison with theoretical calculations.
doi: 10.1088/1361-6471/aad5c7
2018SI15 Phys.Rev. C 97, 064610 (2018) D.Singh, S.B.Linda, P.K.Giri, A.Mahato, R.Tripathi, H.Kumar, S.A.Tali, S.Parashari, A.Ali, Ra.Dubey, M.Afzal Ansari, R.Kumar, S.Muralithar, R.P.Singh Measurement of excitation functions of evaporation residues in the 16O + 124Sn reaction and investigation of the dependence of incomplete fusion dynamics on entrance channel parameters NUCLEAR REACTIONS 124Sn(16O, 3n), (16O, 5n), (16O, 7n), (16O, 6np), (16O, 3nα), (16O, 5nα), (16O, 7nα), (16O, pα), (16O, 3npα), (16O, n2α), (16O, p2α), E=3-7 MeV/nucleon; measured Iγ, Eγ, evaporation residues populated from complete fusion and incomplete fusion reactions, σ(E) by activation method, and incomplete fusion fractions at 15UD Pelletron heavy ion accelerator facility of IUAC, New Delhi. Comparison with theoretical excitation functions using PACE-4 code, and with previous experimental results. 133,133m,135,137,137mCe, 133La, 129,129m,131,131m,133mBa, 131I, 131mXe, 132,135mCs; measured γ spectra from isotopes produced in different reaction channels.
doi: 10.1103/PhysRevC.97.064610
2018TH03 Phys.Rev. C 98, 014606 (2018) M.Thakur, B.R.Behera, R.Mahajan, G.Kaur, P.Sharma, K.Kapoor, K.Rani, P.Sugathan, A.Jhingan, N.Saneesh, R.Dubey, A.Yadav, A.Chatterjee, M.B.Chatterjee, N.Kumar, S.Mandal, S.K.Duggi, A.Saxena, S.Kailas, S.Pal Measurement of mass-gated neutron multiplicity for the 48Ti + 208Pb reaction at 57.4 MeV excitation energy NUCLEAR REACTIONS 208Pb(48Ti, F)256Rf*, E=275 MeV; measured fission products, neutrons, (particle)n-coin, angular distributions, double differential neutron multiplicity spectra using position-sensitive multiwire proportional counters (MWPC) for particles and NAND array for neutrons at the 15UD Pelletron-LINAC facility of IUAC-New Delhi; deduced scatter plot of mass and total kinetic energy (TKE) of fission fragments, neutron multiplicity and temperature values, prescission neutron multiplicity. Quasifission (QF) processes investigated through analyses of angular distributions, mass distributions (MD), mass-energy distributions (MED), and mass-angle distributions (MAD) of the fission fragments. Comparison with statistical model calculations.
doi: 10.1103/PhysRevC.98.014606
2018TH04 Acta Phys.Pol. B49, 631 (2018) M.Thakur, B.R.Behera, R.Mahajan, N.Saneesh, G.Kaur, P.Sharma, R.Dubey, K.Kapoor, A.Yadav, N.Kumar, S.Kumar, K.Rani, P.Sugathan, A.Jhingan, A.Chatterjee, M.B.Chatterjee, S.Mandal, A.Saxena, S.Pal, S.Kailas Fission Dynamics Studies of Near Super-heavy Compound Nucleus 256Rf NUCLEAR REACTIONS 208Pb(48Ti, f), E*=57.4 MeV; measured neutron multiplicity; deduced neutron energy spectra corrected for efficiency of the neutron detectors calculated using statistical code FLUKA at a threshold of 120 keV, spectra come from compound nucleus (pre-scission), fission fragment F1 and the complementary fission fragment F2 (post-scission); calculated double-differential neutron multiplicity spectra and their mechanisms contribution at E=273.1 MeV; fitted to the data; calculated variation of neutron pre-scission multiplicity Mpren vs E*; deduced the value of τdelay=33 x 1021 from the fit to data of 232Th(19F, f) reaction.
doi: 10.5506/aphyspolb.49.631
2017AD09 J.Phys.(London) G44, 015102 (2017) S.Adhikari, C.Basu, P.Sugathan, A.Jhinghan, B.R.Behera, N.Saneesh, G.Kaur, M.Thakur, R.Mahajan, R.Dubey, A.K.Mitra Breakup effects on alpha spectroscopic factors of 16O NUCLEAR REACTIONS 12C(7Li, t)16O, E=20 MeV; measured reaction products; deduced σ(θ), σ, reduced α width, asymptotic normalization constant, spectroscopic factors. Comparison with theoretical calculations.
doi: 10.1088/0954-3899/44/1/015102
2017BA19 Phys.Rev. C 96, 014618 (2017) T.Banerjee, S.Nath, A.Jhingan, N.Saneesh, M.Kumar, A.Yadav, G.Kaur, R.Dubey, M.Shareef, P.V.Laveen, A.Shamlath, M.M.Shaikh, S.Biswas, J.Gehlot, K.S.Golda, P.Sugathan, S.Pal Effect of collective enhancement in level density in the fission of pre-actinides NUCLEAR REACTIONS 182W, 187Re, 193Ir(19F, F)201Bi*/206Po*/212Rn*, E=82-120 MeV from 15UD Pelletron accelerator of IUAC, New Delhi]; measured fission fragments using nine hybrid (E-ΔE) telescope, capture and fission σ(E), angular distributions of fission fragments; deduced presence of dynamical effects in the exit channel based on comparison of experimental data with predictions of a statistical model which includes the effects of shell, orientation degree of freedom, and collective enhancement in level density (CELD). 192Os, 194Pt, 197Au(19F, F)211At*/213Fr*/216Ra*, E(cm)=70-150 MeV; analyzed previous experimental data to extract capture and fission σ(E).
doi: 10.1103/PhysRevC.96.014618
2017KA16 Acta Phys.Pol. B48, 619 (2017) G.Kaur, B.R.Behera, A.Jhingan, R.Dubey, M.Thakur, P.Sharma, R.Mahajan, T.Banerjee, Khushboo, N.Saneesh, A.Kumar, S.Mandal, B.K.Nayak, A.Saxena, P.Sugathan, N.Rowley Influence of Positive Q-value Neutron Transfer Coupling on Fusion Enhancement in 28Si+154Sm Reaction NUCLEAR REACTIONS 154Sm(28Si, 30Si), E(eff)=85-115 MeV; calculated QE barrier distribution vs E(eff) using CCFULL code with vibrational and rotational couplings for the 2+1 state of 28Si, deformation before and after 2n transfer. Compared with data published by the same group and with calculations for other 28Si reactions.
doi: 10.5506/APhysPolB.48.619
2017KA58 Phys.Rev. C 96, 054605 (2017) K.Kapoor, S.Verma, P.Sharma, R.Mahajan, N.Kaur, G.Kaur, B.R.Behera, K.P.Singh, A.Kumar, H.Singh, R.Dubey, N.Saneesh, A.Jhingan, P.Sugathan, G.Mohanto, B.K.Nayak, A.Saxena, H.P.Sharma, S.K.Chamoli, I.Mukul, V.Singh Fission time scale from pre-scission neutron and α multiplicities in the 16O + 194Pt reaction NUCLEAR REACTIONS 194Pt(16O, X)210Rn*, E=98.4 MeV; measured Eα, Iα, fission fragments, (fragments)α-coin, angular distributions using multiwire proportional counters (MWPC) for detection of fission fragments, and an array of CsI detectors for α particles at 15UD Pelletron facility of IUAC-New Delhi; deduced particle identification plot, fission fragments mass ratio distribution, normalized α-particle multiplicity spectra, dissipation energy and dinucleus elongation as function of time and angular momentum, transient times and saddle to scission times. Comparison with statistical model calculations using JOANNE2 code.
doi: 10.1103/PhysRevC.96.054605
2017KU05 Nucl.Phys. A960, 53 (2017) H.Kumar, S.A.Tali, M.Afzal Ansari, D.Singh, R.Ali, K.Kumar, N.P.M.Sathik, S.Parashari, A.Ali, R.Dubey, I.Bala, R.Kumar, R.P.Singh, S.Muralithar Investigation of incomplete fusion dynamics at energy 4-8 MeV/nucleon NUCLEAR REACTIONS 175Lu(12C, xn), (12C, xnp), (12C, xnα), (12C, xn2α), (13C, xn), (13C, xnp), (13C, xnα), (13C, xn2α), E=4-8 MeV/nucleon; measured Eγ, Iγ, γγ-coin; deduced residues, γ transitions, γ-ray intensity, T1/2, levels, J, π, σ, α-decay Q value systematics; calculated σ using statistical (Hauser-Feshbach) model code PACE-4; deduced ICF (InComplete Fusion) fraction systematics with projectile-target mass asymmetry.
doi: 10.1016/j.nuclphysa.2017.01.009
2017SH33 Phys.Rev. C 96, 034613 (2017) P.Sharma, B.R.Behera, R.Mahajan, M.Thakur, G.Kaur, K.Kapoor, K.Rani, N.Madhavan, S.Nath, J.Gehlot, R.Dubey, I.Mazumdar, S.M.Patel, M.Dhibar, M.M.Hosamani, Khushboo, N.Kumar, A.Shamlath, G.Mohanto, S.Pal Evaporation residue cross-section measurements for 48Ti-induced reactions NUCLEAR REACTIONS 142Nd(48Ti, X), E(cm)=140.43-202.01 MeV; 150Nd, (48Ti, X), E(cm)=142.18-204.61 MeV; 144Sm(48Ti, X), E(cm)=140.83-202.63 MeV; measured yield of evaporation residues (ERs) from two-dimensional time-of-flight and energy loss spectra, and σ(ER) using gas-filled mode of hybrid recoil mass analyzer (HYRA) at 15UD Pelletron+LINAC accelerator facility of IUAC-New Delhi. Comparison with statistical model calculations, using coupled-channel code CCFULL to obtain spin distribution of the compound nucleus.
doi: 10.1103/PhysRevC.96.034613
2017TH04 Eur.Phys.J. A 53, 133 (2017) M.Thakur, B.R.Behera, R.Mahajan, N.Saneesh, G.Kaur, P.Sharma, R.Dubey, K.Kapoor, A.Yadav, N.Kumar, S.Kumar, K.Rani, P.Sugathan, A.Jhingan, A.Chatterjee, M.B.Chatterjee, S.Mandal, A.Saxena, S.Pal, S.Kailas, A.Nasirov, B.Kayumov Binary fragmentation based studies for the near super-heavy compound nucleus 256Rf NUCLEAR REACTIONS 208Pb(48Ti, x), E=275 MeV; measured fission fragments using MWPCs; deduced intermediate mass fragments mass distribution, TKE; calculated QF (QuasiFission), FF (Fast Fission), DNS (Double Nuclear System) yields separately, especially close to near superheavy 256Rf. Compared to data.
doi: 10.1140/epja/i2017-12323-5
2016BA32 Phys.Rev. C 93, 064602 (2016) K.Banerjee, T.K.Ghosh, P.Roy, S.Bhattacharya, A.Chaudhuri, C.Bhattacharya, R.Pandey, S.Kundu, G.Mukherjee, T.K.Rana, J.K.Meena, G.Mohanto, R.Dubey, N.Saneesh, P.Sugathan, R.Guin, S.Das, P.Bhattacharya Fission dynamics study in 243Am and 254Fm NUCLEAR REACTIONS 232Th, 243Am(11B, F), E=56, 59, 61, 63, 66, 70, 74 MeV; measured fission fragment mass distributions, distribution of velocity of the fissioning nuclei, folding angle distribution of all the fission fragments, fission fragment angular anisotropies at 15UD Pelletron accelerator of IUAC-New Delhi; deduced departure from statistical saddle-point model predictions at near-barrier energies, and the presence of nonequilibrium fission processes.
doi: 10.1103/PhysRevC.93.064602
2016BA55 Phys.Rev. C 94, 044607 (2016) T.Banerjee, S.Nath, A.Jhingan, G.Kaur, R.Dubey, A.Yadav, P.V.Laveen, A.Shamlath, M.Shareef, J.Gehlot, N.Saneesh, E.Prasad, P.Sugathan, S.Pal Fission fragment angular distributions in pre-actinide nuclei NUCLEAR REACTIONS 169Tm(28Si, X)197Bi*, E=113.4, 117.9.123.4; 176Yb(28Si, X)204Po*, E=111.5, 116.2.118.4, 124.3; 175Lu(28Si, X)203At*, E=114.3, 118.8, 124.3; 180Hf(28Si, X)208Rn*, E=116.6, 121.3, 126.5; 181Ta(28Si, X)209Fr*, E=116.6, 121.4, 126.6; 182W(28Si, X)210Ra*, E=116.9, 121.6, 126.8; measured reaction products, fission product angular distributions, fission σ(E) using nine hybrid telescope detectors at IUAC-New Delhi accelerator facility. Comparison with theoretical cross sections from VECSTAT and PACE3 predictions.
doi: 10.1103/PhysRevC.94.044607
2016CH34 Phys.Rev. C 94, 024617 (2016) A.Chaudhuri, A.Sen, T.K.Ghosh, K.Banerjee, J.Sadhukhan, S.Bhattacharya, P.Roy, T.Roy, C.Bhattacharya, Md.A.Asgar, A.Dey, S.Kundu, S.Manna, J.K.Meena, G.Mukherjee, R.Pandey, T.K.Rana, V.Srivastava, R.Dubey, G.Kaur, N.Saneesh, P.Sugathan, P.Bhattacharya Fission fragment mass distributions in reactions populating 200Pb NUCLEAR REACTIONS 184W(16O, X)200Pb*, E*=58.6, 64.1, 69.6, 75.2 MeV; 181Ta(19F, X)200Pb*, E*=59.6, 65.0, 70.4, 75.9 MeV; measured mass distributions of fission fragments as function of excitation energy, and mass angle distributions using sensitive multiwire proportional counters (MWPCs) and pulsed beams at 15UD Pelletron accelerator facility of IUAC-New Delhi; deduced no evidence for quasifission.
doi: 10.1103/PhysRevC.94.024617
2016DU01 Phys.Lett. B 752, 338 (2016) R.Dubey, P.Sugathan, A.Jhingan, G.Kaur, I.Mukul, G.Mohanto, D.Siwal, N.Saneesh, T.Banerjee, M.Thakur, R.Mahajan, N.Kumar, M.B.Chatterjee Interplay of fission modes in mass distribution of light actinide nuclei 225, 227Pa NUCLEAR REACTIONS 206,208Pb(19F, X)225Pa/227Pa, E=87-120 MeV; measured fission fragments; deduced σ, fission-fragment mass distributions, two-mode feature: presence of asymmetric fission events mixed with symmetric fission events. Comparison with available data.
doi: 10.1016/j.physletb.2015.11.060
2016DU08 Acta Phys.Pol. B47, 953 (2016) R.Dubey, P.Sugathan, A.Jhingan, T.Banerjee, N.Saneesh, G.Kaur, M.Thakur, R.Mahajan, I.Mukul, D.Siwal Study the Fission Dynamics of 225Pa Nuclei Around the Sub-barrier Energy NUCLEAR REACTIONS 206Pb(19F, X)225Pa, E=89, 112 MeV; measured reaction products; deduced yields, mass ratio of fission fragments.
doi: 10.5506/APhysPolB.47.953
2016KA10 Acta Phys.Pol. B47, 847 (2016) G.Kaur, B.R.Behera, A.Jhingan, B.K.Nayak, R.Dubey, P.Sharma, M.Thakur, R.Mahajan, N.Saneesh, T.Banerjee, Khushboo, A.Kumar, S.Mandal, A.Saxena, P.Sugathan, N.Rowley Measurement of Quasi-elastic Scattering: to Probe 28Si+154Sm Reaction NUCLEAR REACTIONS 154Sm(28Si, 28Si), E=118 MeV; measured reaction products; deduced quasi-elastic σ, experimental barrier distribution.
doi: 10.5506/APhysPolB.47.847
2016KA39 Phys.Rev. C 94, 034613 (2016) G.Kaur, B.R.Behera, A.Jhingan, B.K.Nayak, R.Dubey, P.Sharma, M.Thakur, R.Mahajan, N.Saneesh, T.Banerjee, Khushboo, A.Kumar, S.Mandal, A.Saxena, P.Sugathan, N.Rowley Effect of coupling in the 28Si + 154Sm reaction studied by quasi-elastic scattering NUCLEAR REACTIONS 154Sm(28Si, X), E=90.0-135.0 MeV; measured projectile-like fragments using ΔE-E hybrid telescope detector at IUAC 15UD Pelletron accelerator facility; deduced quasi-elastic σ(E) and corresponding barrier distribution, influence of couplings to excited states in 28Si projectile and in 154Sm target on fusion σ. Comparison with 154Sm(16O, X) data, and with coupled-channels predictions.
doi: 10.1103/PhysRevC.94.034613
2016RA19 Phys.Rev. C 93, 054622 (2016) T.Rajbongshi, K.Kalita, S.Nath, J.Gehlot, T.Banerjee, I.Mukul, R.Dubey, N.Madhavan, C.J.Lin, A.Shamlath, P.V.Laveen, M.Shareef, N.Kumar, P.Jisha, P.Sharma Deformation effects on sub-barrier fusion cross sections in 16O + 174, 176Yb NUCLEAR REACTIONS 174,176Yb(16O, X), E=64.6-103.6 MeV; measured evaporation residues (ER), scatter plots between ΔE and TOF of the events, fusion σ(E) using HIRA recoil mass spectrometer at IUAC-New Delhi; deduced barrier distribution, hexadecapole deformation parameter (β4). Comparison with coupled-Channel calculations using CCFULL code.
doi: 10.1103/PhysRevC.93.054622
2014MU11 J.Phys.(London) G41, 115103 (2014) I.Mukul, A.Roy, P.Sugathan, J.Gehlot, G.Mohanto, S.Nath, N.Madhavan, R.Dubey, T.Banerjee, N.Saneesh, I.Mazumdar, D.A.Gothe, A.K.R.Kumar, P.Arumugam, M.Kaur Decoupling the effect of temperature on GDR widths in excited compound nucleus 144Sm NUCLEAR REACTIONS 116Cd(28Si, X)144Sm, E=170, 196.5 MeV; measured reaction products, Eγ, Iγ; deduced fusion σ, giant dipole resonance parameters. Thermal shape fluctuation model calculations.
doi: 10.1088/0954-3899/41/11/115103
2013IS10 Phys.Rev. C 88, 024312 (2013) Ish Mukul, A.Roy, P.Sugathan, J.Gehlot, G.Mohanto, N.Madhavan, S.Nath, R.Dubey, I.Mazumdar, D.A.Gothe, M.Kaur, A.K.R.Kumar, P.Arumugam Effect of angular momentum on giant dipole resonance observables in the 28Si+116Cd reaction NUCLEAR REACTIONS 116Cd(28Si, X)144Sm*, E=125, 140 MeV; measured Eγ, Iγ, γγ-coin, time-of-flight, fold distribution using 4π spin spectrometer at Pelletron facility of IUAC; deduced γ-ray multiplicity, angular momentum distribution, average angular momentum, GDR energies, centroids, widths, deformation parameter, and strength distribution. Statistical model analysis using CASCADE computer code. Comparison with thermal shape fluctuation model (TSFM)calculations. 144Sm; calculated potential energy surface contours at different angular momenta and temperatures in (β, γ) plane.
doi: 10.1103/PhysRevC.88.024312
2008PA31 Nucl.Instrum.Methods Phys.Res. B266, 4727 (2008) M.K.Pandey, R.K.Dubey, D.N.Tripathi Proton/antiproton collisions with positronium in the presence of an electric field
doi: 10.1016/j.nimb.2008.07.012
1996DU03 J.Phys.(London) G22, 387 (1996) R.R.Dubey, G.S.Khandelwal, F.A.Cucinotta, J.W.Wilson Microscopic Optical Model Calculations of 4He, 12C-Nucleus Absorption Cross Sections NUCLEAR REACTIONS 12C, 27Al, 40Ca, 56Fe(12C, X), E=18-83 MeV/nucleon; 40Ca, 60,58Ni, 124Sn, 208Pb, 12C, 16O, 28Si(α, X), E=18-83 MeV/nucleon; calculated absorption σ(E). Microscopic optical model.
doi: 10.1088/0954-3899/22/3/012
1994CU01 Phys.Rev. C50, 1090 (1994) Alpha-Cluster Description of Excitation Energies in 12C(12C, 3α)X at 2.1A GeV NUCLEAR REACTIONS 12C(12C, X), E=2.1 GeV/nucleon; calculated σ(θ) vs excitation energy. Glauber multiple scattering, α-cluster expansion, cluster-abrasion response functions.
doi: 10.1103/PhysRevC.50.1090
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