NSR Query Results
Output year order : Descending NSR database version of April 11, 2024. Search: Author = S.K.Duggi Found 8 matches. 2024VI01 J.Phys.(London) G51, 035103 (2024) Vikas, Kavita, K.S.Golda, T.K.Ghosh, A.Jhingan, P.Sugathan, A.Chatterjee, B.R.Behera, A.Kumar, R.Kumar, N.Saneesh, Mohit, A.Yadav, C.Yadav, S.Appannababu, S.K.Duggi, R.Dubey, K.Rani, N.Kumar, A.Banerjee, A.Rani, Kajal, Sh.Noor, J.Acharya, H.Singh Measurement of mass-angle and mass-total kinetic energy distributions from the fission of ^{190}Pt compound nucleus NUCLEAR REACTIONS ^{178}Hf(^{12}C, X)^{190}Pt, 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
2023SH11 Phys.Rev. C 107, 054619 (2023) M.Shareef, E.Prasad, A.Jhingan, N.Saneesh, S.Pal, A.M.Vinodkumar, K.S.Golda, M.Kumar, A.Shamlath, P.V.Laveen, A.C.Visakh, M.M.Hosamani, S.K.Duggi, P.S.Devi, G.N.Jyothi, A.Tejaswi, A.Chatterjee, P.Sugathan Neutron multiplicity measurement and investigation of nuclear dissipation and shell effects in ^{30}Si + ^{182, 184, 186}W reactions NUCLEAR REACTIONS ^{182}W(^{30}Si, X)^{212}Ra, ^{184}W(^{30}Si, X)^{214}Ra, ^{186}W(^{30}Si, X)^{216}Ra, E=138.8-191.9 MeV; measured reaction products, fission fragments, neutron time-of-flight, En, In, angular distribution, (fragment)n-coin; deduced neutron multiplicity spectra, prescission (from compound nucleus) and postscission (from fission fragments) contributions to neutron multiplicity, neutron angular distribution. Comparison to statistical model calculations performed with code VECSTAT incorporating dynamical hindrance in nuclear fission due to dissipation, shell corrections in the fission barrier and level density, and collective enhancement of level density (CELD). National Array of Neutron Detectors (NAND) consisting of 50 organic liquid scintillator detectors (BC 501A) coupled to the pair of position-sensitive multiwire proportional counters (MWPCs) at 15 UD Pelletron+Superconducting Linear Accelerator facility of the Inter-University Accelerator Centre (IUAC, New Delhi).
doi: 10.1103/PhysRevC.107.054619
2020HO02 Phys.Rev. C 101, 014616 (2020) M.M.Hosamani, N.M.Badiger, N.Madhavan, I.Mazumdar, S.Nath, J.Gehlot, A.K.Sinha, S.M.Patel, P.B.Chavan, T.Varughese, Vi.Srivastava, M.M.Shaikh, P.S.Devi, P.V.Laveen, A.Shamlath, M.Shareef, S.K.Duggi, P.V.Madhusudhana Rao, G.N.Jyothi, A.Tejaswi, P.N.Patil, A.Vinayak, K.K.Rajesh, A.Yadav, A.Parihari, R.Biswas, M.Dhibar, D.P.Kaur, M.Ratna Raju, J.Joseph Evaporation-residue-gated spin distribution measurements of the highly fissile compound nucleus ^{224}Th^{*} through ^{16}O + ^{208}Pb and ^{18}O + ^{206}Pb reactions NUCLEAR REACTIONS ^{208}Pb(^{16}O, X)^{224}Th^{*}, E=87, 93.2, 99.3, 105.5, 113.5, 122.6 MeV pulsed beam; ^{206}Pb(^{18}O, X)^{224}Th^{*}, E=85.7, 91.9, 100, 104.1, 108.2, 112.2, 117.4, 121.4 MeV pulsed beam; measured evaporation residues (ER), σ(E) and spin distributions of ERs from deexciting ^{224}Th compound nucleus using the HYbrid Recoil mass Analyzer (HYRA) coupled with the TIFR 4π spin spectrometer of of 32 NaI(Tl) scintillation detectors at the IUAC-New Delhi accelerator facility; deduced experimental and simulated fold distributions, reduced ER σ(E), experimental absolute ER σ(E), including results of previous experiments.
doi: 10.1103/PhysRevC.101.014616
2020LA12 Phys.Rev. C 102, 034613 (2020) P.V.Laveen, E.Prasad, N.Madhavan, A.K.Nasirov, J.Gehlot, S.Nath, G.Mandaglio, G.Giardina, A.M.Vinodkumar, M.Shareef, A.Shamlath, S.K.Duggi, P.Sandya Devi, T.Banerjee, M.M.Hosamani, Khushboo, P.Jisha, N.Kumar, P.Sharma, T.Varughese Fusion studies in ^{35, 37}Cl + ^{181}Ta reactions via evaporation residue cross section measurements NUCLEAR REACTIONS ^{181}Ta(^{35}Cl, X), (^{37}Cl, X), E=169.7-236.6 MeV; measured evaporation residues (ERs) using HYbrid Recoil mass Analyzer (HYRA) and position sensitive multiwire proportional counter (MWPC) at the 15-UD Pelletron and superconducting linear accelerator (sc-LINAC) facility of IUAC-New Delhi; deduced σ(E), partial capture, fusion, fast fission and quasifission and total ER cross sections; calculated potential energy surface (PES) of populating ^{216}Th compound nucleus as a function of the distance between the interacting nuclei and charge numbers (Z) of the fragments. Comparison with dinuclear system (DNS) model and statistical model calculations.
doi: 10.1103/PhysRevC.102.034613
2019GU34 Phys.Rev. C 100, 064608 (2019) S.Gupta, C.Schmitt, K.Mahata, A.Shrivastava, P.Sugathan, A.Jhingan, K.S.Golda, N.Saneesh, M.Kumar, G.Kaur, L.Stuttge, D.Arora, H.Arora, A.Chatterjee, K.Chauhan, S.K.Duggi, D.P.Kaur, V.Mishra, P.N.Patil, K.Rani Asymmetric fission around lead: The case of ^{198}Po NUCLEAR REACTIONS ^{170}Yb(^{28}Si, F)^{198}Po^{*}, E=119, 122, 130 MeV; measured fission fragments, (fragment)(fragment)-coin, time-of-flight using two large-area multiwire proportional counters at the 15UD Pelletron-LINAC accelerator facility of IUAC-New Delhi; deduced Correlations between fragment mass and angle, total kinetic energies (TKE), fragment mass distribution and yields, fragment-mass width. Comparison with semiempirical model calculations using GEF code.
doi: 10.1103/PhysRevC.100.064608
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, 190}Pt through fission fragment mass distribution measurements NUCLEAR REACTIONS ^{160}Gd(^{28}Si, X)^{188}Pt^{*}, E=120, 125, 130, 135, 140 MeV; ^{178}Hf(^{12}C, X)^{190}Pt^{*}, 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
2019SH10 Phys.Rev. C 99, 024618 (2019) M.Shareef, E.Prasad, A.Jhingan, N.Saneesh, K.S.Golda, A.M.Vinodkumar, M.Kumar, A.Shamlath, P.V.Laveen, A.C.Visakh, M.M.Hosamani, S.K.Duggi, P.Sandya Devi, G.N.Jyothi, A.Tejaswi, P.N.Patil, J.Sadhukhan, P.Sugathan, A.Chatterjee, S.Pal Nuclear dissipation at high excitation energy and angular momenta in reaction forming ^{227}Np NUCLEAR REACTIONS ^{197}Au(^{30}Si, X)^{227}Np^{*}, E=152.3, 159.4, 166.4, 173.4, 179.4, 186.4, 192.4 MeV or E^{*}=44-79 MeV; measured reaction products, time correlation spectra of complementary fragments, E(n), I(n), double differential neutron multiplicity spectra, neutron angular distributions, fragment and neutron time of flight using the National Array of Neutron Detector (NAND) array for neutron detection and two multiwire proportional counters for fragment detection at the 15 UD Pelletron accelerator facility of IUAC-New Delhi; deduced neutron multiplicity, pre-, post-and total scission neutron multiplicity and temperature, and total neutron multiplicity. Comparison with statistical model calculations.
doi: 10.1103/PhysRevC.99.024618
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 ^{48}Ti + ^{208}Pb reaction at 57.4 MeV excitation energy NUCLEAR REACTIONS ^{208}Pb(^{48}Ti, F)^{256}Rf^{*}, 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
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