NSR Query Results


Output year order : Descending
Format : Normal

NSR database version of May 10, 2024.

Search: Author = R.Prajapat

Found 14 matches.

Back to query form



2023KU03      J.Phys.(London) G50, 025106 (2023)

R.Kumar, R.Prajapat, M.Maiti

Facets of reaction mechanism in 6Li+181Ta system

NUCLEAR REACTIONS 181Ta(6Li, X)183Os/182Os/183Re/183Ta/182Ta/180Ta, E=4.5-7.1 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced σ. Comparison with EMPIRE-3.2.2, PACE4 calculations. The 14 UD BARC-TIFR Pelletron Accelerator facility in Mumbai, India.

doi: 10.1088/1361-6471/acaffc
Citations: PlumX Metrics


2023PR09      Phys.Rev. C 107, 064616 (2023)

R.Prajapat, M.Maiti, R.Kumar, M.Sagwal, Gonika, C.Kumar, R.Biswas, J.Gehlot, S.Nath, N.Madhavan

Investigation of the role of neutron transfer and fusion hindrance in 28Si + 158Gd at deep sub-barrier energies

NUCLEAR REACTIONS 158Gd(28Si, X), E=107-140 MeV; measured reaction products, evaporation residues; deduced fusion σ(E), fusion excitation functions, fusion barrier distribution (BD), astrophysical S-factor, logarithmic derivatives, fusion hindrance threshold energy. Comparison of fusion excitation functions and BD of 28Si+158Gd with 30Si+156Gd reaction. Systematics of fusion hindrance threshold energy as a function of entrance channel parameter for systems 28Si+158Gd, 64Ni+100Mo, 60No+89Y, 64Ni+64Ni, 28Si+30Si, 28Si+64Ni, 11B+197Au, 12C+198Pt, 16O+208Pb. Obtained cross-sections analyzed in the framework of CCFULL and ECC. Compared with theoretical model calculations. Recoil mass spectrometer HIRA at 15 UD Pelletron accelerator facility (IUAC, New Delhi).

doi: 10.1103/PhysRevC.107.064616
Citations: PlumX Metrics


2022KO03      Phys.Rev. C 105, 014607 (2022)

E.M.Kozulin, G.N.Knyazheva, I.M.Itkis, M.G.Itkis, Y.S.Mukhamejanov, A.A.Bogachev, K.V.Novikov, V.V.Kirakosyan, D.Kumar, T.Banerjee, M.Cheralu, M.Maiti, R.Prajapat, R.Kumar, G.Sarkar, W.H.Trzaska, A.N.Andreyev, I.M.Harca, A.Mitu, E.Vardaci

Fission of 180, 182, 183Hg* and 178Pt* nuclei at intermediate excitation energies

NUCLEAR REACTIONS 142Nd(36Ar, F)178Pt*, E=158, 169, 181 MeV; 144Sm(36Ar, F)180Hg*, E=158, 181 MeV; 142,143Nd(40Ca, F)182Hg*/183Hg*, E=158, 169, 181 MeV; measured binary reaction products in coincidence mode using the double-arm time-of-flight spectrometer CORSET, consisting of a compact start detector and a position-sensitive stop detector of microchannel plates at the U400 cyclotron Flerov laboratory of Nuclear Reactions, Dubna; deduced mass-energy distributions of fission fragments at energies near and above the Coulomb barrier, mass-total kinetic energy (M-TKE) distribution contours of primary binary fragments, mass yields, fission fragments mass yields, asymmetric fission of preactinide nuclei, existence of well-deformed proton shell at Z≈36 and a less deformed proton shell at Z≈46. Comparison with previous experimental results.

doi: 10.1103/PhysRevC.105.014607
Citations: PlumX Metrics


2022PR05      Phys.Rev. C 105, 064612 (2022)

R.Prajapat, M.Maiti, R.Kumar, M.Sagwal, Gonika, C.Kumar, R.Biswas, J.Gehlot, S.Nath, N.Madhavan

Fusion and back-angle quasielastic measurements in 30Si + 156Gd near the Coulomb barrier

NUCLEAR REACTIONS 156Gd(30Si, X), (30Si, 30Si'), E=108-136 MeV; measured reaction products, evaporation residues; deduced fusion σ(Ε), quasielastic scattering σ(θ) fusion barrier distribution, fusion excitation function, quasielastic scattering excitation function, Analysis within the framework of coupled channel predictions using CCFULL and ECC model codes. Comparison to other experimental data and one-dimensional barrier penetration model (1DBPM) calculations. Recoil mass spectrometer - the heavy ion reaction analyzer (HIRA) combined with MWPC and SSSD detectors at 15UD Pelletron accelerator facility at the Inter-University Accelerator Center (IUAC), New Delhi.

doi: 10.1103/PhysRevC.105.064612
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD6436.


2021BO22      Phys.Rev. C 104, 024623 (2021)

A.A.Bogachev, E.M.Kozulin, G.N.Knyazheva, I.M.Itkis, M.G.Itkis, K.V.Novikov, D.Kumar, T.Banerjee, I.N.Diatlov, M.Cheralu, V.V.Kirakosyan, Y.S.Mukhamejanov, A.N.Pan, I.V.Pchelintsev, R.S.Tikhomirov, I.V.Vorobiev, M.Maiti, R.Prajapat, R.Kumar, G.Sarkar, W.H.Trzaska, A.N.Andreyev, I.M.Harca, E.Vardaci

Asymmetric and symmetric fission of excited nuclei of 180, 190Hg and 184, 192, 202Pb formed in the reactions with 36Ar and 40, 48Ca ions

NUCLEAR REACTIONS 144Sm(36Ar, X)180Hg*, E=158, 181 MeV; 154Sm(36Ar, X)190Hg*, E=158, 181 MeV; 144Sm(40Ca, X)184Pb*, E=180, 190 MeV; 144Sm(48Ca, X)192Pb*, E=182, 188, 202 MeV; 154Sm(48Ca, X)202Pb*, E=173, 183, 194 MeV; measured binary reaction products in coincidence mode from the excited states of the compound nuclei using the double-arm time-of-flight spectrometer CORSET at the U400 cyclotron facility of Flerov Laboratory of Nuclear Reactions (FLNR), Dubna; deduced mass-total kinetic energy (TKE) distributions of binary fragments, mass and TKE distributions of fission fragments, contributions of symmetric and asymmetric fissions, well deformed proton shell at Z≈36 and less deformed proton shell at Z≈46.

doi: 10.1103/PhysRevC.104.024623
Citations: PlumX Metrics


2021KU16      Eur.Phys.J. A 57, 209 (2021)

R.Kumar, M.Maiti, G.Sarkar, M.Sagwal, P.Kaur, R.Prajapat, T.N.Nag, S.Sodaye

Study of excitation functions and insights into the reaction mechanisms of 6Li fusion in Cu

NUCLEAR REACTIONS Cu(6Li, X)66Ge/67Ge/69Ge/65Ga/66Ga/67Ga/68Ga/62Zn/63Zn/65Zn, E=3.6-7.1 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced σ. Comparison with PACE4, EMPIRE-3.2.2 and ALICE20 calculations.

doi: 10.1140/epja/s10050-021-00520-w
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD6401.


2021KU18      Phys.Rev. C 104, 014602 (2021)

D.Kumar, M.Maiti, R.Prajapat, A.Chauhan, R.Biswas, J.Gehlot, S.Nath, R.Kumar, N.Madhavan, G.N.Jyothi, R.N.Sahoo, M.M.Shaikh, V.Srivastava

Analysis of mass-separated evaporation residues formed in 32S + 70, 68Zn fusion reactions: The special case of 97, 95Ru

NUCLEAR REACTIONS 68Zn(32S, X), E=130-150 MeV; 70Zn(32S, X), E=115-135 MeV; measured produced evaporation residues (ERs) transported to the focal plane of HIRA detector array and a multiwire proportional counter (MWPC), Eγ, Iγ from the radioactive ERs at the 15 UD Pelletron facility of the Inter-University Accelerator Centre (IUAC), New Delhi; 95mTc, 97,97m,98Rh, 97m,98Ru; measured γ-ray spectra from the decays of the produced ERs; deduced two-dimensional ΔE vs X-position matrices of different mass product, yields of evaporation residues and compared with theoretical yields using semimicroscopic Monte Carlo code TERS. 95,97Ru; deduced maximum production yields.

doi: 10.1103/PhysRevC.104.014602
Citations: PlumX Metrics


2021KU32      Bull.Rus.Acad.Sci.Phys. 85, 1479 (2021)

D.Kumar, E.M.Kozulin, G.N.Knyazheva, M.Maiti, I.M.Itkis, A.A.Bogachev, K.V.Novikov, M.Cheralu, T.Banerjee, I.N.Diatlov, N.I.Kozulina, I.V.Pchelintsev, I.V.Vorobiev, A.N.Pan, R.Prajapat, R.Kumar, E.Vardaci, W.H.Trzaska, A.Andreyev, I.M.Harca

Investigation on Competing Fission Modes in 178Pt* Produced by 36Ar + 142Nd Reaction up to High Excitation Energies

NUCLEAR REACTIONS 142Nd(36Ar, X)178Pt, E=158-222 MeV; measured fission products, TOF; deduced mass-energy distributions of binary fission fragments, total kinetic energies, asymmetric and symmetric modes. Comparison with theoretical systematics. The double arm time-of-flight spectrometer CORSET.

doi: 10.3103/S1062873821120194
Citations: PlumX Metrics


2021PR01      Phys.Rev. C 103, 014608 (2021)

R.Prajapat, M.Maiti, D.Kumar

Fusion-fission events in the 11B + 181Ta reaction up to 5.7 MeV/nucleon energy

NUCLEAR REACTIONS 181Ta(11B, 6n)186Pt, (11B, 5n)187Pt, (11B, 4n)188Pt, (11B, 3n)189Pt, (11B, 5np)186Ir/186mIr, (11B, 4np)187Ir, (11B, 3np)188Ir, (11B, 5nα)183mOs, (11B, F)24Na/34mCl/66Ge/74mBr/83Br/77Kr/87mSr/90Mo/97mRh/103Cd/108In/109In/110mIn/115Ag/123Xe/129Sb/130Sb/131La/137Nd/139mNd/149Nd/160mHo, E=53.5, 54.9, 56.6, 58.7, 59.6, 62.4 MeV; measured activation σ(E) by off-line Eγ, Iγ measurements at 14UD BARC-TIFR Pelletron facility; deduced σ(E) of residues and fission fragments, complete and incomplete fusion evaporation σ(E), isotopic, isobaric and isomeric yields as function of beam energy, isomeric cross-section ratios, preequilibrium (PEQ) reaction strength in 181Ta(11B, 3n)189Pt, and compared with experimental data for other reaction systems. Comparison with theoretical calculations using statistical model codes EMPIRE3.2.2, and PACE4. Comparison of measured isotopic yield distributions for 181Ta, 232Th, 238U(11B, F), 181Ta(16O, F), 169Tm(19F, F), and 238U(22Ne, F). Comparison of measured reduced fusion excitation functions for 159Tb, 181Ta, 209Bi(11B, X), 159Tb, 181Ta(12C, X), and 174,176Yb(16O, X).

doi: 10.1103/PhysRevC.103.014608
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD6396.


2021PR04      Phys.Rev. C 103, 034620 (2021)

R.Prajapat, M.Maiti

Probing the influence of incomplete fusion in the 6Li + 89Y reaction up to 7.2 MeV/nucleon energy

NUCLEAR REACTIONS 89Y(6Li, 2n)93mMo, (6Li, 4n)91Mo, (6Li, 5n), 90Mo, (6Li, 2np)92mNb, (6Li, 4np)90Nb, (6Li, 2nα)89mZr/89Zr, (6Li, 3nα)88Zr, (6Li, pα)90mY, (6Li, 3npα)87mY, (6Li, 2α)87mSr, E=23-43 MeV; measured Eγ, Iγ, σ(E) by off-line γ-spectrometry at the 14UD BARC-TIFR Pelletron facility. 87mSr, 89,89mZr, 90mY, 90,92mNb, 93mMo; measured activity and half-lives of their decays at E(6Li)=23.8 MeV for 93mMo, 90mY, 33.5 MeV for 93mMo, 90,92mNb, and 42.7 MeV for 89,89mZr, 87mSr. Comparison with theoretical cross-sections in the framework of EMPIRE3.2.2, and fusion l-distribution using CCFULL code; estimated complete fusion (CF) σ(E), incomplete fusion (ICF) σ(E) in α-emitting channels, and strength of incomplete fusion (FICF).

doi: 10.1103/PhysRevC.103.034620
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD6399.


2020CH47      Phys.Rev. C 102, 064606 (2020)

A.Chauhan, R.Prajapat, G.Sarkar, M.Maiti, R.Kumar, Malvika, Gonika, J.Gehlot, S.Nath, A.Parihari, N.Madhavan

Evaporation residue cross section in the 37Cl + 68Zn fusion reaction near the Coulomb barrier

NUCLEAR REACTIONS 68Zn(37Cl, X), (37Cl, 4n)101Ag, (37Cl, 5n)100Ag, (37Cl, 3np)101Pd, (37Cl, 4np)100Pd, (37Cl, 5np)99Pd, (37Cl, nα)100Rh, (37Cl, 2nα)99Rh, (37Cl, 3nα)98Rh, (37Cl, 4nα)97Rh, (37Cl, 2npα)98Ru, (37Cl, 3npα)97Ru, E=94.8-138.9 MeV; measured recoiling evaporation residues (ERs), time-of-flight using the recoil mass spectrometer HIRA at the 15UD Pelletron accelerator facility of IUAC-New Delhi; deduced two-dimensional mass spectrum, fusion σ(E), total ER σ(E) for the production of individual residual nuclei, fragmentation potentials. Comparison with theoretical calculations using CCFULL code for coupled channel model, PACE4 code for statistical model, DCM code for non-statistical model.

doi: 10.1103/PhysRevC.102.064606
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD6393.


2020KU24      Bull.Rus.Acad.Sci.Phys. 84, 1001 (2020)

D.Kumar, E.M.Kozulin, M.Cheralu, G.N.Knyazheva, I.M.Itkis, M.G.Itkis, K.V.Novikov, A.A.Bogachev, N.I.Kozulina, I.N.Diatlov, I.V.Pchelintsev, I.V.Vorobiev, T.Banerjee, Y.S.Mukhamejanov, A.N.Pan, V.V.Saiko, P.P.Singh, R.N.Sahoo, A.N.Andreyev, D.M.Filipescu, M.Maiti, R.Prajapat, R.Kumar

Study of Mass-Asymmetric Fission of 180, 190Hg Formed in the 36Ar + 144, 154Sm Reactions

NUCLEAR REACTIONS 36Ar(144Sm, X), (154Sm, X)180Hg/190Hg, E= 158, 181, 222 MeV; measured reaction products; deduced asymmetric fission of 180,190Hg with the most probable masses of light and heavy fragments of 79 and 101 amu, and 84 and 106 amu, respectively. Two components manifesting the symmetric and asymmetric fission modes are observed in the kinetic energy distributions.

doi: 10.3103/S1062873820080213
Citations: PlumX Metrics


2020PR02      Phys.Rev. C 101, 024608 (2020)

R.Prajapat, M.Maiti

Measurement of residual cross sections in the 7Li + 89Y reaction up to 5.7 MeV/nucleon and analysis of fusion mechanisms

NUCLEAR REACTIONS 89Y(7Li, 3n)93mMo, (7Li, 3np)92mNb, (7Li, 3nα)89Zr, (7Li, pα)91mY, (7Li, npα)90mY, E=19-40 MeV; measured Eγ, Iγ, σ(E) by off-line γ-spectrometry at the 14UD BARC-TIFR Pelletron facility; deduced complete fusion (CF) and incomplete fusion (ICF) cross sections, ICF strength fraction using the present and earlier data. Comparison with predictions of equilibrium and pre-equilibrium reaction models using EMPIRE3.2.2 and ALICE19 codes.

doi: 10.1103/PhysRevC.101.024608
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD6380.


2020PR05      Phys.Rev. C 101, 064620 (2020)

R.Prajapat, M.Maiti

Analysis of the dynamics of 7Li-induced fusion with natZr up to 44 MeV

NUCLEAR REACTIONS Zr(7Li, X)96Tc/95Tc/95mTc/94Tc/94mTc/93Tc/93mTc/93mMo/96Nb/90Nb, E=28-44 MeV; measured Eγ, Iγ, complete fusion (CF) and incomplete fusion (ICF) σ(E) for reaction residues using offline γ-spectrometry using HPGe detector at 14UD BARC-TIFR Pelletron facility; deduced isomeric cross section ratios (ICR). Comparison with theoretical predictions using EMPIRE3.2 and CCFULL codes, and with previous experimental cross sections.

doi: 10.1103/PhysRevC.101.064620
Citations: PlumX Metrics


Back to query form