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NSR database version of April 26, 2024.

Search: Author = S.K.Duggi

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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
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2023SH11      Phys.Rev. C 107, 054619 (2023)

M.Shareef, E.Prasad, A.Jhingan, N.Saneesh, S.Pal, A.M.Vinodkumar, K.S.Golda, M.Kumar, A.Shamlath, P.V.Laveen, A.C.Visakh, M.M.Hosamani, S.K.Duggi, P.S.Devi, G.N.Jyothi, A.Tejaswi, A.Chatterjee, P.Sugathan

Neutron multiplicity measurement and investigation of nuclear dissipation and shell effects in ³⁰Si + ^{182, 184, 186}W reactions

NUCLEAR REACTIONS ¹⁸²W(³⁰Si, X)²¹²Ra, ¹⁸⁴W(³⁰Si, X)²¹⁴Ra, ¹⁸⁶W(³⁰Si, X)²¹⁶Ra, E=138.8-191.9 MeV; measured reaction products, fission fragments, neutron time-of-flight, En, In, angular distribution, (fragment)n-coin; deduced neutron multiplicity spectra, prescission (from compound nucleus) and postscission (from fission fragments) contributions to neutron multiplicity, neutron angular distribution. Comparison to statistical model calculations performed with code VECSTAT incorporating dynamical hindrance in nuclear fission due to dissipation, shell corrections in the fission barrier and level density, and collective enhancement of level density (CELD). National Array of Neutron Detectors (NAND) consisting of 50 organic liquid scintillator detectors (BC 501A) coupled to the pair of position-sensitive multiwire proportional counters (MWPCs) at 15 UD Pelletron+Superconducting Linear Accelerator facility of the Inter-University Accelerator Centre (IUAC, New Delhi).

doi: 10.1103/PhysRevC.107.054619
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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 ²²⁴Th^* through ¹⁶O + ²⁰⁸Pb and ¹⁸O + ²⁰⁶Pb reactions

NUCLEAR REACTIONS ²⁰⁸Pb(¹⁶O, X)²²⁴Th^*, E=87, 93.2, 99.3, 105.5, 113.5, 122.6 MeV pulsed beam; ²⁰⁶Pb(¹⁸O, X)²²⁴Th^*, 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 ²²⁴Th 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
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD6377.

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 + ¹⁸¹Ta reactions via evaporation residue cross section measurements

NUCLEAR REACTIONS ¹⁸¹Ta(³⁵Cl, X), (³⁷Cl, 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 ²¹⁶Th 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
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD6392.

2019GU34      Phys.Rev. C 100, 064608 (2019)

S.Gupta, C.Schmitt, K.Mahata, A.Shrivastava, P.Sugathan, A.Jhingan, K.S.Golda, N.Saneesh, M.Kumar, G.Kaur, L.Stuttge, D.Arora, H.Arora, A.Chatterjee, K.Chauhan, S.K.Duggi, D.P.Kaur, V.Mishra, P.N.Patil, K.Rani

Asymmetric fission around lead: The case of ¹⁹⁸Po

NUCLEAR REACTIONS ¹⁷⁰Yb(²⁸Si, F)¹⁹⁸Po^*, E=119, 122, 130 MeV; measured fission fragments, (fragment)(fragment)-coin, time-of-flight using two large-area multiwire proportional counters at the 15UD Pelletron-LINAC accelerator facility of IUAC-New Delhi; deduced Correlations between fragment mass and angle, total kinetic energies (TKE), fragment mass distribution and yields, fragment-mass width. Comparison with semiempirical model calculations using GEF code.

doi: 10.1103/PhysRevC.100.064608
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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 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
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2019SH10      Phys.Rev. C 99, 024618 (2019)

M.Shareef, E.Prasad, A.Jhingan, N.Saneesh, K.S.Golda, A.M.Vinodkumar, M.Kumar, A.Shamlath, P.V.Laveen, A.C.Visakh, M.M.Hosamani, S.K.Duggi, P.Sandya Devi, G.N.Jyothi, A.Tejaswi, P.N.Patil, J.Sadhukhan, P.Sugathan, A.Chatterjee, S.Pal

Nuclear dissipation at high excitation energy and angular momenta in reaction forming ²²⁷Np

NUCLEAR REACTIONS ¹⁹⁷Au(³⁰Si, X)²²⁷Np^*, E=152.3, 159.4, 166.4, 173.4, 179.4, 186.4, 192.4 MeV or E^*=44-79 MeV; measured reaction products, time correlation spectra of complementary fragments, E(n), I(n), double differential neutron multiplicity spectra, neutron angular distributions, fragment and neutron time of flight using the National Array of Neutron Detector (NAND) array for neutron detection and two multiwire proportional counters for fragment detection at the 15 UD Pelletron accelerator facility of IUAC-New Delhi; deduced neutron multiplicity, pre-, post-and total scission neutron multiplicity and temperature, and total neutron multiplicity. Comparison with statistical model calculations.

doi: 10.1103/PhysRevC.99.024618
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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
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