NSR Query Results
Output year order : Descending NSR database version of April 11, 2024. Search: Author = P.P.Singh Found 152 matches. Showing 1 to 100. [Next]2023KA25 Phys.Rev. C 108, 034611 (2023) R.Kaur, B.B.Singh, M.Kaur, M.K.Sharma, P.P.Singh Investigating 6, 7Li-induced reactions on 235, 238U through a collective clusterization approach
doi: 10.1103/PhysRevC.108.034611
2023YA11 Phys.Rev. C 107, 044605 (2023) A.Yadav, G.Ram, M.S.Asnain, I.Majeed, M.Shuaib, V.R.Sharma, I.Bala, U.Gupta, S.Gupta, D.P.Singh, P.P.Singh, M.Sharma, R.Kumar, B.P.Singh, R.Prasad Understanding the low-energy incomplete fusion reactions NUCLEAR REACTIONS 159Tb(18O, 3n), (18O, 4n), (18O, 5n), (18O, 6n), (18O, 2nα), (18O, 5nα), (18O, 6nα), (18O, 5npα), E=82, 95, 97, 100 MeV; measured Eγ, Iγ; deduced σ(E), contributions of complete and incomplete fusion channels. Comparison to predictions done using the PACE4 code. Systematics of incomplete fusion with different projectiles - 12C, 13C, 14N, 16O, 18O, 19F, 20Ne. Activation technique experiment at the Inter-University Accelerator Centre (IUAC, New Delhi).
doi: 10.1103/PhysRevC.107.044605
2022AS01 Phys.Rev. C 105, 014609 (2022) M.S.Asnain, M.Shuaib, I.Majeed, M.K.Sharma, V.R.Sharma, A.Yadav, D.P.Singh, P.P.Singh, S.Kumar, R.Kumar, B.P.Singh, R.Prasad Systematic study of fusion suppression for tightly bound projectiles at above-barrier energies NUCLEAR REACTIONS 181Ta(14N, X), E=83.05, 85.17, 87.07 MeV; measured Eγ, Iγ, total complete fusion σ(E) by activation method, and off-line γ-ray spectroscopy at the Pelletron ion-beam facility of IUAC-New Delhi. Comparison with theoretical fusion cross section calculated by using the code CCFULL. 159Tb, 169Tm(12C, X), (13C, X), (16O, X), (19F, X), 175Lu(19F, X), 181Ta(14N, X), E(cm)=50-100 MeV; analyzed previous and present experimental data, and compared fusion σ(E) in different systems with strongly bound projectiles using universal fusion function (UFF) method; deduced suppression factors for various projectiles, breakup effects of strongly bound non-α-cluster projectile 14N on fusion cross section at energies above the Coulomb barrier.
doi: 10.1103/PhysRevC.105.014609
2022AS02 Phys.Rev. C 106, 064607 (2022) M.S.Asnain, Mohd.Shuaib, I.Majeed, M.K.Sharma, A.Yadav, D.P.Singh, P.P.Singh, R.Kumar, B.P.Singh, R.Prasad Decomposing the linear momentum transfer components in break-up fusion reactions: An experimental study of the 19F + 159Tb system NUCLEAR REACTIONS 159Tb(19F, X), (19F, 4n), (19F, 5n), (19F, 4np), (19F, 3nα), (19F, 4nα), (19F, 3npα), (19F, 3n2α), (19F, 2np2α), (19F, 4np2α), E=82.8, 94.3 MeV; measured reaction products, Eγ, Iγ; deduced total ranges of the residues in Al, complete fusion σ(E), fusion function, forward recoil range integrated σ(E), contribution of complete fusion and incomplete fusion components to the production of residues. Stack of Al foils was installed after the target to catch the forward recoiled residues, which later were measured with HPGe detector. Comparison with PACE4 calculation, coupled channels calculations performed with CCFULL and other experimental data. Beam from 15UD Pelletron accelerator facility at Inter University Accelerator Center (IUAC, India).
doi: 10.1103/PhysRevC.106.064607
2022GR07 Phys.Rev. C 106, 024314 (2022) L.Grocutt, R.Chapman, M.Bouhelal, F.Haas, A.Goasduff, J.F.Smith, R.S.Lubna, S.Courtin, D.Bazzacco, T.Braunroth, L.Capponi, L.Corradi, X.Derkx, P.Desesquelles, M.Doncel, E.Fioretto, A.Gottardo, V.Liberati, B.Melon, D.Mengoni, C.Michelagnoli, T.Mijatovic, V.Modamio, G.Montagnoli, D.Montanari, K.F.Mulholland, D.R.Napoli, C.M.Petrache, A.Pipidis, F.Recchia, E.Sahin, P.P.Singh, A.M.Stefanini, S.Szilner, J.J.Valiente-Dobon Lifetime measurements of states of 35S, 36S, 37S, and 38S using the AGATA γ-ray tracking spectrometer NUCLEAR REACTIONS 208Pb(36S, X)35S/36S/37S/38S, E=225 MeV; measured mass spectra of sulfur isotopes, Eγ, (particle)γ-coin, level T1/2 by differential recoil-distance Doppler-shift method using Cologne plunger apparatus, PRISMA magnetic spectrometer and AGATA demonstrator array of five triple cluster segmented Ge detectors at the Tandem-ALPI accelerator complex of INFN-Legnaro. 35,36,37,38S; deduced levels, J, π, T1/2 of levels, B(E2), B(E1), configurations. Comparison with shell-model calculations using PSDPF, SDPF-U, and FSU effective interactions.
doi: 10.1103/PhysRevC.106.024314
2022KO05 Phys.Rev. C 105, 024617 (2022) E.M.Kozulin, G.N.Knyazheva, A.A.Bogachev, V.V.Saiko, A.V.Karpov, I.M.Itkis, K.V.Novikov, Y.S.Mukhamejanov, I.V.Pchelintsev, I.V.Vorobiev, T.Banerjee, M.Cheralu, P.P.Singh Experimental study of fast fission and quasifission in the 40Ca + 208Pb reaction leading to the formation of the transfermium nucleus 248No NUCLEAR REACTIONS 208Pb(40Ca, X)248No*, E=223, 250, 284 MeV; measured fission fragments; deduced mass and energy distributions of fission fragments, average total kinetic energies, fast fission σ(E), compound nucleus fission σ(E), 248No compound nucleus formation probability. Double-arm time-of-flight spectrometer CORSET at U400 cyclotron (JINR).
doi: 10.1103/PhysRevC.105.024617
2022KU33 J.Phys.(London) G49, 105103 (2022) S.Kumar, P.K.Giri, R.Kumar, A.Yadav, R.Ali, S.Appannababu, A.Agarwal, S.Mukherjee, P.P.Singh, V.R.Sharma, B.P.Singh, S.Dutt Study of incomplete fusion reaction dynamics for the system 14N + 169Tm using the forward Recoil Range distribution technique NUCLEAR REACTIONS 169Tm(14N, X)169Os/179Re/176W/175W/178Re/177W/174W, E ∼ 5.9 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced yields, σ, forward recoil range distribution (FRRD) of evaporation residues (ERs). The general purpose scattering chamber (GPSC) facility at Inter-University Accelerator Centre (IUAC), New Delhi.
doi: 10.1088/1361-6471/ac894b
2022MA13 Nucl.Phys. A1021, 122421 (2022) I.Majeed Bhat, Mohd.S.M.S.Asnain, V.R.Sharma, A.Yadav, M.K.Sharma, P.P.Singh, D.P.Singh, U.Gupta, R.N.Sahoo, A.Sood, M.Kaushik, R.Kumar, B.P.Singh, R.Prasad Effect of projectile structure on break-up fusion for 14N + 175Lu system at intermediate energies NUCLEAR REACTIONS 175Lu(14N, X)184Pt/185Pt/186Pt/183Ir/184Ir/185Ir/182Os/183Os/181Re/177W/178Ta, E=87.11 MeV; measured reaction products, Eγ, Iγ; deduced σ. Comparison with PACE4 predictions. The Inter University Accelerator, New Delhi, India.
doi: 10.1016/j.nuclphysa.2022.122421
2022MA25 Phys.Rev. C 105, 054607 (2022) I.Majeed Bhat, M.Shuaib, M.S.Asnain, M.K.Sharma, A.Yadav, V.R.Sharma, P.P.Singh, D.P.Singh, S.Gupta, U.Gupta, R.N.Sahoo, A.Sood, M.Kaushik, S.Kumar, R.Kumar, B.P.Singh, R.Prasad Role of precursor nuclei in heavy-ion induced reactions at low energies NUCLEAR REACTIONS 175Lu(14N, 4np), E=79.68, 87.11 MeV; 159Tb(12C, 3np), E=69.15, 77.77 MeV; 159Tb(13C, 4np), E=77.87, 84.59 MeV; measured Eγ, Iγ; deduced σ(E). Separated yields of the isotope produced in the direct reaction from feeding caused by decay of the isotopes from other channels. Pelletron accelerator facility of the Inter-University Accelerator Centre(IUAC), New Delhi. comparison to theoretical estimations. RADIOACTIVITY 184Pt(β+), (EC) [from 175Lu(14N, 5n), E=79.68, 87.11 MeV]; 167Lu(EC) [from 159Tb(13C, 5n), E=77.87, 84.59 MeV; 159Tb(12C, 4n), E=69.15, 77.77 MeV]; measured Eγ, Iγ; deduced T1/2. Comparison to other experimental data.
doi: 10.1103/PhysRevC.105.054607
2021AS08 Phys.Rev. C 104, 034616 (2021) M.S.Asnain, M.Shuaib, I.Majeed, M.K.Sharma, V.R.Sharma, A.Yadav, D.P.Singh, P.P.Singh, U.Gupta, R.N.Sahoo, A.Sood, M.Kaushik, S.Kumar, R.Kumar, B.P.Singh, R.Prasad Effect of non-α-cluster projectile on incomplete-fusion dynamics: Experimental study of the 14N + 181Ta NUCLEAR REACTIONS 181Ta(14N, 3n)192Hg, (14N, 4n)191Hg/191mHg, (14N, 5n)190Hg, (14N, 6n)189Hg/189mHg, (14N, 3np)191Au, (14N, 4np)190Au, (14N, 5np)189Au/189mAu, (14N, 2nα)189Pt, (14N, 4nα)187Pt, (14N, 5nα)186Pt, (14N, 3npα)187Ir, (14N, 4npα)186Ir/186mIr, (14N, 5npα)185Ir, (14N, 4n2α)183Os, (14N, 5np2α)181Re, E=65.53, 67.50, 69.47, 71.54, 73.65, 75.65, 77.08, 79.51, 81.42, 83.05, 85.17, 87.07 MeV; measured off-line Eγ, Iγ, σ(E) for radio-nuclides populated via complete fusion (CF) and/or incomplete fusion (ICF processes) by activation method at the ion-beam facility of the IUAC-New Delhi; deduced total fusion, total complete fusion, and total incomplete fusion σ(E). Comparison with statistical model calculations using PACE4 code. 190Hg; measured nominal half-life from γ-decay curves as an example for the purpose of correct identification of different radioactive nuclei produced through various reaction channels.
doi: 10.1103/PhysRevC.104.034616
2021KA37 Phys.Rev. C 104, 024615 (2021) M.Kaushik, S.K.Pandit, V.V.Parkar, G.Gupta, S.Thakur, V.Nanal, H.Krishnamoorthy, A.Shrivastava, C.S.Palshetkar, K.Mahata, K.Ramachandran, S.Pal, R.G.Pillay, P.P.Singh Investigating neutron transfer in the 9Be + 197Au system NUCLEAR REACTIONS 197Au(9Be, 8Be)198Au, (9Be, 10Be)196Au, (9Be, X)199Tl/200Tl/201Bi/202Bi/203Bi, E=30-47 MeV from BARC-TIFR Pelletron Linac Facility, Mumbai; measured off-line Eγ, Iγ from the irradiated target; deduced σ(E) for one-neutron stripping and pickup reactions, complete-fusion (CF) and incomplete fusion (ICF). Comparison with coupled-reaction channel (CRC) calculations. 197Au(6Li, 5Li), (6Li, 7Li), (7Li, 6Li), (7Li, 5Li), (6Li, X), (7Li, X), E(cm)=20-44 MeV; analyzed previous data for σ(E) for n-transfer, CF and ICF using CRC calculations.
doi: 10.1103/PhysRevC.104.024615
2021KA41 Eur.Phys.J. A 57, 320 (2021) M.Kaushik, G.Gupta, V.V.Parkar, S.K.Pandit, S.Thakur, V.Nanal, A.Shrivastava, R.G.Pillay, H.Krishnamoorthy, K.Mahata, S.Pal, C.S.Palshetkar, K.Ramachandran, P.P.Singh Neutron transfer in 9Be + 159Tb system NUCLEAR REACTIONS 159Tb(9Be, X)160Tb, E=30-47 MeV; measured reaction products, Eγ, Iγ; deduced σ. Comparison with calculations.
doi: 10.1140/epja/s10050-021-00627-0
2021MA50 Nucl.Phys. A1014, 122236 (2021) I.Majeed Bhat, Mohd.Shuaib, M.S.Asnain, V.R.Sharma, A.Yadav, M.K.Sharma, P.P.Singh, D.P.Singh, R.Kumar, R.P.Singh, S.Muralithar, B.P.Singh, R.Prasad Systematic study of fusion-fission like events in 19F + 175Lu interactions at low energies NUCLEAR REACTIONS 175Lu(19F, X)120Xe/99Tc/79Rb/107In/129Ba/108In/84Rb/74Kr/90Mo/123Xe/122Xe/109In/121Xe/129La/121I/111In/81Rb/95Ru/89Rb/82Rb/98Nb, E=105, 110 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies and relative intensities, σ, isotopic yield and isobaric charge distributions, fractional independent yields, mass distributions.
doi: 10.1016/j.nuclphysa.2021.122236
2021OJ01 Phys.Rev. C 104, 034615 (2021) A.Ojha, S.Gupta, U.Gupta, P.P.Singh, A.Yadav, D.P.Singh, M.Shuaib, B.P.Singh, R.Prasad Mass-number dependence of statistical model parameters and its impact on incomplete fusion fraction calculations NUCLEAR REACTIONS 181Ta(16O, 3n)194Tl, (16O, 4n)193Tl, (16O, 5n)192Tl, (16O, 3np)193Hg, (16O, 4np)192Hg, (16O, 5np)191Hg, E=75-105 MeV; 165Ho(12C, 3n)174Ta, (12C, 4n)173Ta, (12C, 5n)172Ta, (12C, 3np)173Hf, E=55-85 MeV; 163Dy(14N, 3n)174Ta, (14N, 4n)173Ta, (14N, 5n)172Ta, E=65-85 MeV; 74Ge(16O, 4n)86Zr, (16O, 2np)87Y, (16O, 3np)86Y, (16O, 4np)85Y, E=50-110 MeV; calculated σ(E) using statistical model based PACE4 code, with optical model potential (OMP) parameters, summed σ(E) using different sets of OMP parameters and impact on incomplete fusion (ICF) fraction, and effect of deformation parameter β2 on incomplete fusion. Comparison with experimental data.
doi: 10.1103/PhysRevC.104.034615
2021SH30 Phys.Rev. C 104, L031601 (2021) M.Sharma, M.Sarswat, S.Arora, S.Kumar, M.Shuaib, I.Majeed, M.S.Asnain, B.P.Singh, R.Prasad, V.R.Sharma, A.Yadav, P.P.Singh, D.P.Singh New experimental approach for developing a mass-energy systematics for precompound emission NUCLEAR REACTIONS 63,65Cu(α, n), E=5-50 MeV; analyzed experimental σ(E) with theoretical calculations using Monte Carlo statistical code PACE4. 63,65Cu, 69,71Ga, 85Rb, 89Y, 93Nb, 103Rh, 107,109Ag(α, n), E(cm)=22-40 MeV; calculated fraction of pre-compound emission as functions of center-of-mass energy, excitation energy and excess energy; deduced mass-energy systematics in pre-compound emission reactions.
doi: 10.1103/PhysRevC.104.L031601
2021SO23 J.Phys.(London) G48, 025105 (2021) A.Sood, S.Thakur, A.Sharma, V.R.Sharma, A.Yadav, M.K.Sharma, B.P.Singh, R.Kumar, R.K.Bhowmik, P.P.Singh Disentangling complete and incomplete fusion events in 12C + 169Tm reaction by spin-distribution measurements NUCLEAR REACTIONS 169Tm(12C, X), E=6.7, 7.5 MeV/nucleon; measured reaction products, Eα, Iα, Eγ, Iγ. 176Re, 174Ta, 171Lu; deduced yields, strong entrance-channel dependence of incomplete fusion dynamics.
doi: 10.1088/1361-6471/abc14a
2020IT03 Bull.Rus.Acad.Sci.Phys. 84, 938 (2020) Yu.M.Itkis, A.V.Karpov, G.N.Knyazheva, E.M.Kozulin, N.I.Kozulina, K.V.Novikov, K.B.Gikal, I.N.Diatlov, I.V.Pchelintsev, I.V.Vorobiov, A.N.Pan, P.P.Singh Fission and Quasi-Fission in Reactions with Deformed Nuclei NUCLEAR REACTIONS 232Th, 238U(16O, F), (18O, F), (22Ne, F)254Fm/256Fm, E=45, 50, 58 MeV; measured reaction products; deduced mass-energy distributions of fission fragments, dependence of the width of the mass distribution of fragments on the energy introduced into the system relative to that of the Bass barrier for all of the studied reactions.
doi: 10.3103/S1062873820080158
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
2020NO05 Bull.Rus.Acad.Sci.Phys. 84, 495 (2020) K.V.Novikov, E.M.Kozulin, G.N.Knyazheva, I.M.Itkis, A.V.Karpov, M.G.Itkis, I.N.Diatlov, M.Cheralu, B.Gall, Z.Asfari, N.I.Kozulina, D.Kumar, I.V.Pchelintsev, V.N.Loginov, A.E.Bondarchenko, P.P.Singh, I.V.Vorobiev, S.Heinz, W.H.Trzaska, E.Vardaci, N.Tortorelli, C.Borcea, I.Harca Formation and Decay of the Composite System Z = 120 in Reactions with Heavy Ions at Energies Near the Coulomb Barrier
doi: 10.3103/S1062873820040206
2020NO09 Phys.Rev. C 102, 044605 (2020) K.V.Novikov, E.M.Kozulin, G.N.Knyazheva, I.M.Itkis, M.G.Itkis, A.A.Bogachev, I.N.Diatlov, M.Cheralu, D.Kumar, N.I.Kozulina, A.N.Pan, I.V.Pchelintsev, I.V.Vorobiev, W.H.Trzaska, S.Heinz, H.M.Devaraja, B.Lommel, E.Vardaci, S.Spinosa, A.Di Nitto, A.Pulcini, S.V.Khlebnikov, P.P.Singh, Ru.N.Sahoo, B.Gall, Z.Asfari, C.Borcea, I.Harca, D.M.Filipescu Investigation of fusion probabilities in the reactions with 52, 54Cr, 64Ni, and 68Zn ions leading to the formation of Z = 120 superheavy composite systems NUCLEAR REACTIONS 248Cm(52Cr, X)300120*, E=290, 304-MeV; 248Cm(54Cr, X)302120*, E=296 MeV; 232Th(68Zn, X)300120*, E=335 MeV; measured binary reaction products in coincidence by the double-arm time-of-flight spectrometer CORSET, the first two reactions using 248Cm target at the U-400 cyclotron facility of FLNR-Dubna, and the experiment with 232Th target at the University of Jyvaskyla K-130 cyclotron facility; deduced yield and TKE matrices of binary fragments as functions of mass and energy, capture cross sections as a function of effective fissility parameter, excitation energy of primary fragments as function of fragment mass, contributions of symmetric fragments to the capture cross sections, fusion probability as function of the mean fissility parameter, and production σ for the formation of Z=120 superheavy nucleus (SHN). 238U(64Ni, X)302120*, E=335 MeV; compared results of this experiment, reported in 2010Ko16, at Jyvaskyla with the data in the present experiments. 248Cm(54Cr, X) reaction determined to be the most favorable for the production of Z=120 element.
doi: 10.1103/PhysRevC.102.044605
2020SA32 Phys.Rev. C 102, 024615 (2020) R.N.Sahoo, M.Kaushik, A.Sood, A.Sharma, S.Thakur, Pa.Kumar, M.M.Shaikh, R.Biswas, A.Yadav, M.K.Sharma, J.Gehlot, S.Nath, N.Madhavan, R.G.Pillay, E.M.Kozulin, G.N.Knyazheva, K.V.Novikov, P.P.Singh Role of neutron transfer in sub-barrier fusion NUCLEAR REACTIONS 130Te(35Cl, X), E(cm)=94.0, 95.6, 97.2, 98.8, 100.3, 101.9, 103.5, 105.0 MeV; measured evaporation residues (ERs), ΔE-time spectra, fusion σ(E) using recoil mass separator HIRA at IUAC-New Delhi accelerator facility. Comparison with experimental fusion σ(E) data for 130Te(37Cl, X), and other systems. Coupled-channels analysis using CCFULL code.
doi: 10.1103/PhysRevC.102.024615
2020SH29 Eur.Phys.J. A 56, 247 (2020) M.K.Sharma, M.Kumar, M.Shuaib, I.Majeed, M.S.Asnain, V.R.Sharma, A.Yadav, P.P.Singh, D.P.Singh, B.P.Singh, R.Prasad A systematic experimental study of pre-compound emission in α-particle induced reactions on odd mass nuclei A = 103-123 NUCLEAR REACTIONS 103Rh, 107,109Ag, 113,115In, 121,123Sb(α, n), E not given; analyzed available data; deduced systematics on the pre-compound emission process using EXFOR library data.
doi: 10.1140/epja/s10050-020-00238-1
2020SO05 Acta Phys.Pol. B51, 775 (2020) A.Sood, P.Kumar, R.N.Sahoo, P.P.Singh, A.Yadav, V.R.Sharma, M.K.Sharma, R.Kumar, R.P.Singh, S.Muralithar, B.P.Singh, R.K.Bhowmik Evidence of Narrow Range High Spin Population in Incomplete Fusion
doi: 10.5506/APhysPolB.51.775
2019GR08 Phys.Rev. C 100, 064308 (2019) L.Grocutt, R.Chapman, M.Bouhelal, F.Haas, A.Goasduff, J.F.Smith, S.Courtin, D.Bazzacco, T.Braunroth, L.Capponi, L.Corradi, X.Derkx, P.Desesquelles, M.Doncel, E.Fioretto, A.Gottardo, V.Liberati, B.Melon, D.Mengoni, C.Michelagnoli, T.Mijatovic, V.Modamio, G.Montagnoli, D.Montanari, K.F.Mulholland, D.R.Napoli, C.Petrache, A.Pipidis, F.Recchia, E.Sahin, P.P.Singh, A.M.Stefanini, S.Szilner, J.J.Valiente-Dobon Lifetime measurements of N ≈ 20 phosphorus isotopes using the AGATA γ-ray tracking spectrometer NUCLEAR REACTIONS 208Pb(36S, X)33P/34P/35P/36P/37P, E=225 MeV; measured yields of reaction products, Eγ, Iγ, γγ- and (particle)γ-coin, level half-lives by differential recoil-distance method using a plunger device, Prisma magnetic spectrometer for particles, and AGATA array for γ rays at the INFN-LNL-Legnaro facility. 33,34,35,36P; deduced levels, J, π, configurations, B(M1), B(E2), B(E1). Comparison with previous experimental data, and with the state-of-the-art shell-model calculations using PSDPF effective interaction.
doi: 10.1103/PhysRevC.100.064308
2019KU14 Phys.Rev. C 100, 024328 (2019) P.Kumar, S.Sarkar, P.P.Singh, P.K.Raina Proton-neutron force and proton single-particle strength in Sc, F, and Li isotopes NUCLEAR STRUCTURE Z=3, N=2-8; Z=9, N=8-20; Z=21, N=20-40; calculated effective single-particle energies (ESPEs) of 0p proton orbitals in Li, 0d1s proton orbitals in F, and 0f1p proton orbitals in Sc isotopes, contribution of central, spin-orbit, and tensor forces of proton-neutron interaction to proton single-particle energy gaps. 9Li, 23,25F, 49,53,55Sc; calculated levels, J, π, proton transfer spectroscopic factors. Shell model calculations with CKHeN interaction. Comparison with experimental data.
doi: 10.1103/PhysRevC.100.024328
2019SA15 Nucl.Phys. A983, 145 (2019) R.N.Sahoo, M.Kaushik, A.Sood, P.Kumar, V.R.Sharma, A.Yadav, P.P.Singh, M.K.Sharma, R.Kumar, B.P.Singh, S.Aydin, R.Prasad Insights into the low energy incomplete fusion NUCLEAR REACTIONS 169Tm(12C, x), E(cm)=52.98 - 89.25 MeV; measured Eγ, Iγ(t); deduced production σ of evaporation residues. 169Tm(12C, x), E=52.98 - 89.25 MeV;160Gd(12C, x), Ei(cm)=83.7 MeV;103Rh(16O, x), 159Tb(16O, x), E not given; calculated ER production σ using PACE4 and with different level density parameters and using CCFULL; deduced potential parameters, radius parameter from the fit to the data, variation of incomplete fusion fraction with neutron skin thickness and with angular momentum.
doi: 10.1016/j.nuclphysa.2018.12.013
2019SA17 Phys.Rev. C 99, 024607 (2019) R.N.Sahoo, M.Kaushik, A.Sood, P.Kumar, A.Sharma, S.Thakur, P.P.Singh, P.K.Raina, M.M.Shaikh, R.Biswas, A.Yadav, J.Gehlot, S.Nath, N.Madhavan, V.Srivastava, M.K.Sharma, B.P.Singh, R.Prasad, A.Rani, A.Banerjee, U.Gupta, N.K.Deb, B.J.Roy Sub-barrier fusion in the 37Cl + 130Te system NUCLEAR REACTIONS 130Te(37Cl, X), E=121-155 MeV; measured reaction products, evaporation residues, time of flight of evaporation residue, fusion σ(E) using the HIRA recoil mass spectrometer at the 15UD Pelletron accelerator of IUAC-New Delhi; deduced fusion barrier distributions, astrophysical S factor, logarithmic derivative L(E) factor. Comparison with coupled-channels code calculations using CCFULL code. Systematics of reduced fusion excitation functions of 37Cl projectiles on 58,60,62,64Ni, 130Te targets at sub-barrier energies.
doi: 10.1103/PhysRevC.99.024607
2019SH02 Phys.Rev. C 99, 014608 (2019) M.K.Sharma, M.M.Musthafa, M.Shuaib, M.Kumar, V.R.Sharma, A.Yadav, P.P.Singh, B.P.Singh, R.Prasad Semiclassical and quantum mechanical analysis of α-particle-induced reactions on praseodymium: A study relevant to precompound emission NUCLEAR REACTIONS 141Pr(α, n), (α, 2n), E=14.2-40.0 MeV; measured Eγ, Iγ of offline irradiated sample, excitation functions, σ(E) at VECC-Kolkata cyclotron facility; deduced role of precompound emission. Comparison with previous experimental values, and theoretical predictions based on semiclassical model codes: PACE4, TALYS-1.9, ACT, and ALICE91, and the quantum mechanical model code EXIFON. 141Pr, 159Tb, 181Ta, 197Au, 203Tl(α, n), E=17-32 MeV; systematics of precompound fraction.
doi: 10.1103/PhysRevC.99.014608
2019SH09 Phys.Rev. C 99, 024617 (2019) M.Shuaib, V.R.Sharma, A.Yadav, S.Thakur, M.K.Sharma, I.Majeed, M.Kumar, P.P.Singh, D.P.Singh, R.Kumar, R.P.Singh, S.Muralithar, B.P.Singh, R.Prasad Mass and isotopic yield distributions of fission-like events in the 19F + 169Tm system at low energies NUCLEAR REACTIONS 169Tm(19F, X)67Ge/75Br/80Sr/84mRb/101Mo/107In/108In/109In/110mIn/115Sb/120Xe/125Cs/126Ba/128Xe/130Sb/131Te/134Nd/135Nd/137Nd/139Nd/140Sm/156Ho, E=92, 102.5, 105.4 MeV; measured Eγ, Iγ, σ(E) by activation method at IUAC, New Delhi; deduced isotopic yield distributions and fractional independent yield for In and Nd isotopes, mass variance and distribution of fission-like events and heavy residues, isobaric charge dispersion parameter and compared with theoretical calculations, and grazing angular momentum. Systematics of isotopic yield distribution variance in 169Tm(19F, X), (12C, X), 159Tb, 169Tm, 181Ta(16O, X), 232Th(7Li, X), (11B, X), 238U(11B, X), (22Ne, X), 208Pb(22Ne, X) systems.
doi: 10.1103/PhysRevC.99.024617
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
2019SO21 Acta Phys.Pol. B50, 291 (2019) A.Sood, P.Kumar, R.N.Sahoo, P.P.Singh, A.Yadav, V.R.Sharma, M.K.Sharma, D.P.Singh, U.Gupta, S.Aydin, R.Kumar, B.P.Singh, R.Prasad Entrance Channel Effects on Fission Fragment Mass Distribution in 12C + 169Tm System NUCLEAR REACTIONS 169Tm(12C, X), E= 77.18, 83.22, 89.25 MeV; measured Eγ, Iγ(t); deduced production σ of evaporation residues, isotopic yieldsmass distribution of fission fragments.
doi: 10.5506/aphyspolb.50.291
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
2018SA38 Acta Phys.Pol. B49, 585 (2018) R.N.Sahoo, M.Kaushik, A.Sood, P.Kumar, V.R.Sharma, A.Yadav, M.Shuaib, D.P.Singh, P.P.Singh, U.Gupta, M.K.Sharma, R.Kumar, B.P.Singh, S.Aydin, H.J.Wollersheim, R.Prasad Entrance Channel Effect on Incomplete Fusion NUCLEAR REACTIONS 169Tm(12C, x), E=5-7.5 MeV/nucleon; measured evaporation residues (ER) Eγ, Iγ(time); deduced 177Re σER; calculated σER using statistical model code PACE-IV with different level density parameter; calculated total (summed over all ERs) σT, complete and incomplete fusion σCF, σICF. 103Rh, 115In, 159Tb, 169Tm, 197Au(12C, x), E not given;103Rh, 159Tb, 169Tm(16O, x), E not given; measured reaction products Eγ, Iγ; deduced incomplete fusion fraction vs mass asymmetry (relative projectile-target velocity close to 0.05c vs asymmetry).
doi: 10.5506/aphyspolb.49.585
2018SH25 Phys.Rev. C 98, 014605 (2018) M.Shuaib, V.R.Sharma, A.Yadav, M.K.Sharma, P.P.Singh, D.P.Singh, R.Kumar, R.P.Singh, S.Muralithar, B.P.Singh, R.Prasad Effects of projectile break-up on fusion cross sections at energies near and above the Coulomb barrier: A case of incomplete fusion NUCLEAR REACTIONS 175Lu(19F, 4n), (19F, 5n), (19F, 6n), (19F, 3np), (19F, 4np), (19F, 5np), (19F, nα), (19F, 2nα), (19F, 3nα), (19F, 4nα), (19F, 2npα), (19F, 3npα), (19F, 4npα), (19F, 3n2α), (19F, 4n2α), (19F, 4np2α), E=82-112 MeV; measured Eγ, Iγ, σ(E) of evaporation residues populated via complete fusion (CF) and/or incomplete fusion (ICF) processes using offline γ-activation method at the Inter University Accelerator Centre (IUAC-New Delhi). Comparison with statistical model calculations using PACE4 model.
doi: 10.1103/PhysRevC.98.014605
2018SH38 Phys.Rev. C 98, 054607 (2018) M.K.Sharma, M.Kumar, Mohd.Shuaib, V.R.Sharma, A.Yadav, P.P.Singh, B.P.Singh, R.Prasad Systematic study of precompound neutron emission in α-particle-induced reactions NUCLEAR REACTIONS 141Pr(α, n), E=10-40 MeV; measured Eγ, Iγ offline, σ(E) at VECC-Kolkata facility. 51V(α, n), E=5-35 MeV; 55Mn(α, n), E=5-25 MeV; 93Nb(α, n), E=10-40 MeV; 121Sn(α, n), E=6-60 MeV; 123Sb(α, n), E=10-40 MeV; 141Pr(α, n), E=10-40 MeV; analyzed σ(E) data; deduced precompound nucleus (PCN) fraction for one neutron channels. Comparison with predictions using ALICE code.
doi: 10.1103/PhysRevC.98.054607
2017AY04 Phys.Rev. C 96, 024315 (2017) S.Aydin, M.Ionescu-Bujor, G.Tz.Gavrilov, B.I.Dimitrov, S.M.Lenzi, F.Recchia, D.Tonev, M.Bouhelal, F.Kavillioglu, P.Pavlov, D.Bazzacco, P.G.Bizzeti, A.M.Bizzeti-Sona, G.de Angelis, I.Deloncle, E.Farnea, A.Gadea, A.Gottardo, N.Goutev, F.Haas, T.Huyuk, H.Laftchiev, S.Lunardi, Tz.K.Marinov, D.Mengoni, R.Menegazzo, C.Michelagnoli, D.R.Napoli, P.Petkov, E.Sahin, P.P.Singh, E.A.Stefanova, C.A.Ur, J.J.Valiente-Dobon, M.S.Yavahchova High-spin states and lifetimes in 33S and shell-model interpretation in the sd-fp space NUCLEAR REACTIONS 24Mg(14N, pα), E=40 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(ADO), and level half-lives by DSAM using the 4π GASP array composed of 40 Compton-suppressed HPGe detectors at the LNL-Legnaro XTU-tandem accelerator facility. 33S; deduced high-spin levels, J, π, multipolarities, mixing ratios, B(E2), B(M1), B(E1), B(M2), B(E3), configurations. Comparison with large scale shell-model calculations using the ANTOINE code with the USD, PSDPF, and sdfp effective interactions.
doi: 10.1103/PhysRevC.96.024315
2017KU29 Phys.Rev. C 96, 054614 (2017) R.Kumar, V.R.Sharma, A.Yadav, P.P.Singh, A.Agarwal, S.Appannababu, S.Mukherjee, B.P.Singh, R.Ali, R.K.Bhowmik Low-energy nuclear reaction of the 14N + 169Tm system: Incomplete fusion NUCLEAR REACTIONS 169Tm(14N, X)174W/175W/176W/177W/178Re/179Re/179Os, E=76, 78, 80, 83 MeV; measured Eγ, Iγ; deduced complete fusion (CF) σ(E) for 4n-, p3n-, p4n-, α2n-, α3n-, α4n- and α5n-channels, incomplete fusion (ICF) σ(E), and compared with statistical model code PACE4; discussed several other systems for complete and incomplete fusion strength functions and percentage fraction of ICF.
doi: 10.1103/PhysRevC.96.054614
2017SH32 J.Phys.(London) G44, 105108 (2017) M.Shuaib, V.R.Sharma, A.Yadav, M.K.Sharma, P.P.Singh, D.P.Singh, R.Kumar, R.P.Singh, S.Muralithar, B.P.Singh, R.Prasad Influence of incomplete fusion on complete fusion at energies above the Coulomb barrier NUCLEAR REACTIONS 169Tm(19F, X)185Pt/184Pt/183Pt/184Ir/183Ir/175W/174W/176Ta/175Ta/179Os/181Os/182Os/183Os/174W/175W/176W, E<120 MeV; measured reaction products, Eγ, Iγ; deduced σ, ICF strength function. Comparison with statistical model code pace4.
doi: 10.1088/1361-6471/aa84fb
2017SO12 Phys.Rev. C 96, 014620 (2017) A.Sood, P.P.Singh, R.N.Sahoo, P.Kumar, A.Yadav, V.R.Sharma, Mohd.Shuaib, M.K.Sharma, D.P.Singh, U.Gupta, R.Kumar, S.Aydin, B.P.Singh, H.J.Wollersheim, R.Prasad Fission-like events in the 12C + 169Tm system at low excitation energies NUCLEAR REACTIONS 169Tm(12C, X)74mBr/74Kr/75Br/75Ge/75Kr/76Kr/77Kr/78As/79Rb/81Sr/84Br/85Zr/86Y/87Zr/89Rb/93Y/94Ru/95Ru/97Nb/98mNb/101Tc/102mTc/104Tc/104Ag/105Tc/105In/175Re/176Re/177Re/178Re/177W/173Ta/174Ta/175Ta/176Ta/171Lu, E=77.81, 83.22, 89.25 MeV; measured Eγ, Iγ, recoil-catcher activation technique, half-life of 74Kr decay, production σ(E) of fission products and evaporation residues, charge and mass distribution of fission fragments at the pelletron accelerator facility of IUAC-New Delhi; deduced fission as one of the competing modes of deexcitation of complete and/or incomplete fusion composites at low excitation energies. Comparison with calculations using PACE code. 181Ta(16O, X), E*=67.04 MeV; 159Tb(16O, X), E*=57.1 MeV; 169Tm(16O, X), E*=61.06 MeV; 232Th(7Li, X), E*=41.7 MeV; 232Th(11B, X), E*=55.7 MeV; 238U(11B, X), E*=67.4 MeV; 238U(22Ne, X), E*=64.5 MeV; 208Pb(20Ne, X), E*=46.4 MeV; analyzed previous experimental data for isotopic yield distributions.
doi: 10.1103/PhysRevC.96.014620
2017YA25 Phys.Rev. C 96, 044614 (2017) A.Yadav, P.P.Singh, Mohd.Shuaib, V.R.Sharma, I.Bala, Unnati, S.Gupta, D.P.Singh, M.K.Sharma, R.Kumar, S.Murlithar, R.P.Singh, B.P.Singh, R.Prasad Systematic study of low-energy incomplete fusion: Role of entrance channel parameters NUCLEAR REACTIONS 159Tb(13C, 3n), (13C, 4n), (13C, 5n), (13C, 4np), (13C, 2nα), (13C, 3nα), (13C, 5nα), (13C, 2n2α), (13C, 3n2α), (13C, 4n2α), E AP 58, 60, 70, 73, 85, 88 MeV; measured reaction products, Eγ, Iγ, σ(E) at IUAC facility in New Delhi; deduced ICF fraction, and compared with several other systems in the literature. Comparison with theoretical calculations using PACE4 code. 168Lu; measured half-life of the decay of the g.s. from decay curve of 228-keV γ ray.
doi: 10.1103/PhysRevC.96.044614
2016SH23 Phys.Rev. C 94, 014613 (2016) Mohd.Shuaib, V.R.Sharma, A.Yadav, P.P.Singh, M.K.Sharma, D.P.Singh, R.Kumar, R.P.Singh, S.Muralithar, B.P.Singh, R.Prasad Incomplete fusion studies in the 19F + 159Tb system at low energies and its correlation with various systematics NUCLEAR REACTIONS 159Tb(19F, X), E=99.45, 102.6, 105.44, 108.1 MeV from 15UD-pelletron accelerator of IUAC-New Delhi; measured Eγ, Iγ, σ(E) using activation method; deduced evaporation residue σ(E), complete fusion (CF) and incomplete fusion (ICF) σ(E); analyzed experimental excitation functions for the present reaction and data for 103Rh, 115In, 128Te, 159Tb, 165Ho, 169Tm(12C, X), 159Tb(13C, X), 159Tb, 169Tm, 181Ta(16O, X), and 175Lu(19F, X) reactions with statistical model code PACE4 to extract incomplete fusion strength function.
doi: 10.1103/PhysRevC.94.014613
2016SH36 Phys.Rev. C 94, 044617 (2016) M.K.Sharma, P.P.Singh, V.R.Sharma, Mohd.Shuaib, D.P.Singh, A.Yadav, Unnati, R.Kumar, B.P.Singh, R.Prasad Precompound emission in low-energy heavy-ion interactions from recoil range and spin distributions of heavy residues: A new experimental method NUCLEAR REACTIONS 169Tm(16O, 2n)183Ir, E=88 MeV; 159Tb(16O, 2n)173Ta, 159Tb(16O, np)173Hf, 159Tb(16O, 3n)172Ta, E=90 MeV; 181Ta(16O, 2n)195Tl, E=81, 90, 96 MeV; measured recoil range distributions (RRDs) and spin distributions (SDs) of reaction residues, σ, Eγ, Iγ from the decays of reaction products at IUAC-New Delhi accelerator facility.
doi: 10.1103/PhysRevC.94.044617
2015KU09 Acta Phys.Pol. B46, 453 (2015) R.Kumar, V.R.Sharma, A.Yadav, P.P.Singh, S.Appanababu, A.Aggarwal, B.P.Singh, S.Mukherjee, S.Muralithar, R.Ali, R.K.Bhowmik Low Energy Incomplete Fusion and the Role of Input Angular Momenta NUCLEAR REACTIONS 169Tm(14N, X), E=4-7 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced σ. Comparison with semi-empirical code MARC.
doi: 10.5506/APhysPolB.46.453
2015SH01 Phys.Rev. C 91, 014603 (2015) M.K.Sharma, P.P.Singh, D.P.Singh, A.Yadav, V.R.Sharma, I.Bala, R.Kumar, Unnati, B.P.Singh, R.Prasad Systematic study of pre-equilibrium emission at low energies in 12C- and 16O-induced reactions NUCLEAR REACTIONS 128Te(12C, 3n)137Ce, E≈42-80 MeV; 169Tm(12C, 3n)178Re, E≈55-85 MeV; 159Tb(16O, 3n)172Ta, E≈68-95 MeV; 169Tm(16O, 3n)182Ir, E≈70-95 MeV; 181Ta(16O, 3n)194gTl/194mTl, E≈75-100 MeV; measured Eγ, Iγ, σ(E) using activation method; deduced strength of pre-equilibrium (PE) emission. Comparison with theoretical predictions of statistical model code PACE4 and Geometry Dependent Hybrid (GDH)-based code ALICE-91.
doi: 10.1103/PhysRevC.91.014603
2015SH04 Phys.Rev. C 91, 024608 (2015) M.K.Sharma, A.Yadav, V.R.Sharma, D.P.Singh, P.P.Singh, Unnati, I.Bala, R.Kumar, B.P.Singh, R.Prasad Experimental study of cross sections in the 12C+27Al system at ≈ 3-7 MeV / relevant to the incomplete fusion process NUCLEAR REACTIONS 27Al(12C, nα)34Cl, (12C, 3p2α)28Mg, (12C, n2p3α)24Na, E≈39-85 MeV; measured Eγ, Iγ, σ(E) using γ-activation technique at 15-UD Pelletron accelerator facility of IUAC; comparison with theoretical cross sections from statistical approach and Monte Carlo procedure using PACE4 code; deduced SUMRULE model predictions.
doi: 10.1103/PhysRevC.91.024608
2015SH12 J.Phys.(London) G42, 055113 (2015) V.R.Sharma, A.Yadav, P.P.Singh, I.Bala, D.P.Singh, S.Gupta, M.K.Sharma, R.Kumar, S.Muralithar, R.P.Singh, B.P.Singh, R.K.Bhowmik, R.Prasad Spin distribution measurements in 16O+159Tb system: incomplete fusion reactions NUCLEAR REACTIONS 159Tb(16O, X)170Hf/180Os/176W, E=6.2 MeV/nucleon; measured reaction products, Eα, Iα, Eγ, Iγ; deduced normalized yields, feeding intensities of γ-cascades, spin distributions of various channels.
doi: 10.1088/0954-3899/42/5/055113
2014AY01 Phys.Rev. C 89, 014310 (2014) S.Aydin, M.Ionescu-Bujor, F.Recchia, S.M.Lenzi, M.Bouhelal, D.Bazzacco, P.G.Bizzeti, A.M.Bizzeti-Sona, G.de Angelis, I.Deloncle, E.Farnea, A.Gadea, A.Gottardo, F.Haas, T.Huyuk, H.Laftchiev, S.Lunardi, D.Mengoni, R.Menegazzo, C.Michelagnoli, D.R.Napoli, A.Poves, E.Sahin, P.P.Singh, D.Tonev, C.A.Ur, J.J.Valiente-Dobon High-spin level structure of 35S NUCLEAR REACTIONS 24Mg(14N, 3p), E=40 MeV; measured Eγ, Iγ, γγ-coin, γ(θ)(ADO), level half-lives by DSAM using 4π-GASP array at LNL XTU-Tandem accelerator facility. 35S; deduced high-spin levels, J, π, bands, multipolarity, mixing ratio, configurations, branching ratios, B(M1), B(E2), B(E3). Comparisons with large-scale shell model calculations using computer code ANTOINE with different effective interactions, and model spaces to allow particle-hole excitations across the N=Z=20 shell gap.
doi: 10.1103/PhysRevC.89.014310
2014SH05 Phys.Rev. C 89, 024608 (2014) V.R.Sharma, A.Yadav, P.P.Singh, D.P.Singh, S.Gupta, M.K.Sharma, I.Bala, R.Kumar, S.Murlithar, B.P.Singh, R.Prasad Influence of a one-neutron-excess projectile on low-energy incomplete fusion NUCLEAR REACTIONS 169Tm(13C, 3n)179Re, (13C, 4n)178Re, (13C, 5n)177Re, (13C, 6n)176Re, (13C, 4np)177W, (13C, 3nα)175Ta, (13C, 4nα)174Ta, (13C, 5nα)173Ta, (13C, 2n2α)172Lu, (13C, 3n2α)171Lu, E=59-85 MeV; measured Eγ, Iγ, half-lives of isotopes, σ(E) for different channels by activation technique; deduced fractional σ for incomplete fusion (ICF) and its onset, fusion angular momentum distributions. Comparison with statistical model calculations using PACE4 code.
doi: 10.1103/PhysRevC.89.024608
2014SI04 Phys.Rev. C 89, 024612 (2014) D.P.Singh, V.R.Sharma, A.Yadav, P.P.Singh, Unnati, M.K.Sharma, R.Kumar, B.P.Singh, R.Prasad Experimental study of incomplete fusion reactions in the 16O + 130Te system below 6 MeV/nucleon NUCLEAR REACTIONS 130Te(16O, 3n3α)131mXe, (16O, n3α)133Xe, (16O, n3α)/133mXe, (16O, 3nα)139Ce, (16O, 5n)141Nd, E=85, 90 MeV; measured Eγ, Iγ, σ(evaporation residues) by activation technique at IUAC-Pelletron facility; deduced fraction of incomplete fusion (ICF). Comparison with theoretical cross-sections using the SUMRULE model, and fusion angular momentum distributions calculated by coupled-channel CCFULL code.
doi: 10.1103/PhysRevC.89.024612
2013LO04 Phys.Rev. C 87, 054302 (2013) C.Louchart, A.Obertelli, A.Gorgen, W.Korten, D.Bazzacco, B.Birkenbach, B.Bruyneel, E.Clement, P.J.Coleman-Smith, L.Corradi, D.Curien, G.de Angelis, G.de France, J.-P.Delaroche, A.Dewald, F.Didierjean, M.Doncel, G.Duchene, J.Eberth, M.N.Erduran, E.Farnea, C.Finck, E.Fioretto, C.Fransen, A.Gadea, M.Girod, A.Gottardo, J.Grebosz, T.Habermann, M.Hackstein, T.Huyuk, J.Jolie, D.Judson, A.Jungclaus, N.Karkour, S.Klupp, R.Krucken, A.Kusoglu, S.M.Lenzi, J.Libert, J.Ljungvall, S.Lunardi, G.Maron, R.Menegazzo, D.Mengoni, C.Michelagnoli, B.Million, P.Molini, O.Moller, G.Montagnoli, D.Montanari, D.R.Napoli, R.Orlandi, G.Pollarolo, A.Prieto, A.Pullia, B.Quintana, F.Recchia, P.Reiter, D.Rosso, W.Rother, E.Sahin, M.-D.Salsac, F.Scarlassara, M.Schlarb, S.Siem, P.P.Singh, P.-A.Soderstrom, A.M.Stefanini, O.Stezowski, B.Sulignano, S.Szilner, Ch.Theisen, C.A.Ur, J.J.Valiente-Dobon, M.Zielinska Collective nature of low-lying excitations in 70, 72, 74Zn from lifetime measurements using the AGATA spectrometer demonstrator NUCLEAR REACTIONS 238U(76Ge, X), E=577 MeV; measured Eγ, Iγ, (ion)γ-coin, level half-lives of first 2+, 4+ and 6+ states by recoil-distance Doppler shift method using a plunger device, AGATA array and PRISMA magnetic spectrometer at INFN, Legnaro facility. 70,72,74Zn, 76Ge; deduced levels, J, π, B(E2). Comparison with previous experimental studies, and with the state-of-the-art shell-model calculations. Discussed need for new measurements of level half-lives.
doi: 10.1103/PhysRevC.87.054302
2012AY04 Phys.Rev. C 86, 024320 (2012) S.Aydin, F.Recchia, M.Ionescu-Bujor, A.Gadea, S.M.Lenzi, S.Lunardi, C.A.Ur, D.Bazzacco, P.G.Bizzeti, A.M.Bizzeti-Sona, M.Bouhelal, G.de Angelis, I.Deloncle, E.Farnea, A.Gottardo, F.Haas, T.Huyuk, H.Laftchiev, D.Mengoni, R.Menegazzo, C.Michelagnoli, D.R.Napoli, E.Sahin, P.P.Singh, D.Tonev, J.J.Valiente-Dobon High-spin structure and intruder excitations in 36Cl NUCLEAR REACTIONS 24Mg(14N, 2p)36Cl, E=31 MeV; measured Eγ, Iγ, γγ-coin, γ(θ), ADO ratios, level half-lives by DSAM at LNL accelerator facility. 36Cl; deduced high-spin levels, J, π, multipolarities, mixing ratios, branching ratios, B(M1), B(E2). Comparison with large-scale shell-model calculations using USD, PSDPF, sdfp and sdfp-1 interactions and ANTOINE computer code.
doi: 10.1103/PhysRevC.86.024320
2012YA03 Phys.Rev. C 85, 034614 (2012) A.Yadav, V.R.Sharma, P.P.Singh, D.P.Singh, M.K.Sharma, U.Gupta, R.Kumar, B.P.Singh, R.Prasad, R.K.Bhowmik Large influence of incomplete fusion in 12C + 159Tb at Elab ≈ 4-7 MeV/nucleon NUCLEAR REACTIONS 159Tb(12C, X)160Ho/160mHo/161Ho/163Tm/165Tm/165Lu/167Yb/167Lu/168Lu/168mLu, E=54-88 MeV; measured Eγ, Iγ, production σ(E) for complete fusion and incomplete fusion; deduced total fusion cross section, percentage fraction of incomplete fusion (ICF), mass asymmetry dependence on ICF fraction. Gamma-activation technique. Comparison with statistical model code PACE4 and previous studies.
doi: 10.1103/PhysRevC.85.034614
2012YA07 Phys.Rev. C 85, 064617 (2012) A.Yadav, V.R.Sharma, P.P.Singh, D.P.Singh, R.Kumar, Unnati, M.K.Sharma, B.P.Singh, R.Prasad, R.K.Bhowmik Effect of entrance-channel parameters on incomplete fusion reactions NUCLEAR REACTIONS 159Tb(12C, 3n), (12C, 4n), (12C, 6n), (12C, 3np), (12C, 2nα), (12C, 4nα), (12C, 2n2α), (12C, 3n2α), E=74, 80, 87 MeV; measured Eγ, Iγ, yields, forward recoil range distributions (FRRDs), gamma-activation method; deduced integrated cross sections, complete and incomplete fusion components; calculated fusion spin distributions. SUMRULE model. Mass-asymmetry and projectile structure effect. Comparison with calculations using PACE computer code.
doi: 10.1103/PhysRevC.85.064617
2012YA10 Phys.Rev. C 86, 014603 (2012) A.Yadav, V.R.Sharma, P.P.Singh, R.Kumar, D.P.Singh, Unnati, M.K.Sharma, B.P.Singh, R.Prasad Effect of α-Q value on incomplete fusion NUCLEAR REACTIONS 159Tb(13C, X)167Lu/168Lu/169Lu/167Yb/163Tm/165Tm/166Tm/160Ho/161Ho/162Ho, E=58, 60, 70, 73, 85, 88 MeV; measured Eγ, Iγ, σ(E). Analysis using PACE4 statistical model code. Comparison of total complete and incomplete fusion σ for (12,13C, 16O)+(159Tb, 181Ta) systems. Strong dependence of incomplete fusion probability on the Q(α) value of the projectile.
doi: 10.1103/PhysRevC.86.014603
2011KU05 Acta Phys.Pol. B42, 813 (2011) R.Kumar, P.Doornenbal, A.Jhingan, R.K.Bhowmik, S.Appannababu, P.Bednarczyk, L.Caceres, J.Cederkall, A.Ekstrom, R.Garg, J.Gerl, M.Gorska, H.Grawe, J.Kaur, I.Kojouharov, S.Mandal, S.Mukherjee, S.Muralithar, W.Prokopowicz, P.P.Singh, P.Reiter, H.Schaffner, A.Sharma, R.P.Singh, D.Siwal, H.J.Wollersheim Enhanced 0+g.s. → 2+1 E2 Transition Strength in 112, 114Sn NUCLEAR REACTIONS 58Ni(114Sn, 114Sn'), (116Sn, 116Sn'), E=3.4 MeV/nucleon; measured Eγ, Iγ, particle-γ-coin. 112,114Sn; deduced B(E2). Comparison with RQRPA calculations.
doi: 10.5506/APhysPolB.42.813
2011UN01 Phys.Rev. C 84, 014612 (2011) V.R.Sharma, A.Yadav, P.P.Singh, M.K.Sharma, D.P.Singh, Unnati, R.Kumar, K.S.Golda, B.P.Singh, A.K.Sinha, R.Prasad Identification of fission-like events in the 16O + 181Ta system: Mass and isotopic yield distribution NUCLEAR REACTIONS 181Ta(16O, X)71mZn/75Ge/77Kr/85mY/, 86Y/88Kr/90mY/91mY/93Y/105Ru/105In/110In/110mIn/111mIn/113mIn/117Cd/117Sb/121Xe/129Sb/132La/132Ce/132mI/137Nd/141mSm/192Tl/192mTl/193Tl/193mTl/194Tl/194mTl/191Hg/191mHg/192Hg/193Hg/193mHg/190Au/191Au/192Au/, E=97, 100; measured Eγ, Iγ, recoil-catcher activation method, production σ, isotopic yields, mass distribution of fission fragments. Comparison of isotopic yields with data for 159Tb+16O, 159Tm+16O, 208Pb+20Ne, 232Th+7Li, 232Th+11B, 238U+11B, 238U+22Ne systems.
doi: 10.1103/PhysRevC.84.014612
2011YA17 Int.J.Mod.Phys. E20, 2133 (2011) A.Yadav, P.P.Singh, V.R.Sharma, U.Gupta, D.P.Singh, M.K.Sharma, B.P.Singh, R.Prasad, R.Kumar, R.P.Singh, S.Muralithar, R.K.Bhowmik Signature of pre-equilibrium-emission in forward-to-backward yield ratio measurement NUCLEAR REACTIONS 169Tm(16O, X)181Os/181Re/182Re/183Re/179W/181W/182W/179Ta/180Ta, E=5.6 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced normalized yield, yield ratios; deduced preequilibrium emission.
doi: 10.1142/S0218301311020198
2010JI14 Phys.Rev. C 82, 041601 (2010) C.L.Jiang, A.M.Stefanini, H.Esbensen, K.E.Rehm, L.Corradi, E.Fioretto, P.Mason, G.Montagnoli, F.Scarlassara, R.Silvestri, P.P.Singh, S.Szilner, X.D.Tang, C.A.Ur Fusion hindrance for Ca+Ca systems: Influence of neutron excess NUCLEAR REACTIONS 48Ca(40Ca, X), E=89.2, 107.7 MeV; measured particle spectra, σ(E, θ); deduced S factors. Comparisons of experimental σ(E) for 40Ca+40Ca, 40Ca+48Ca, 48Ca+48Ca, 40Ca+90Zr, 40Ca+96Zr and 48Ca+96Zr systems with coupled-channel calculations.
doi: 10.1103/PhysRevC.82.041601
2010KU07 Phys.Rev. C 81, 024306 (2010) R.Kumar, P.Doornenbal, A.Jhingan, R.K.Bhowmik, S.Muralithar, S.Appannababu, R.Garg, J.Gerl, M.Gorska, J.Kaur, I.Kojouharov, S.Mandal, S.Mukherjee, D.Siwal, A.Sharma, P.P.Singh, R.P.Singh, H.-J.Wollersheim Enhanced Og.s+ → 21+ E2 transition strength in 112Sn NUCLEAR REACTIONS 112Sn, 116Sn(58Ni, 58Ni), E=175 MeV; measured Eγ, Iγ, and scattered particle spectra. 112,116Sn; deduced B(E2). Systematics of first 2+ energies and associated B(E2) values for 102,104,106,108,110,112,114,116,118,120,122,124,126,128,130Sn Comparison with relativistic quasiparticle random-phase approximation (RQRPA) and large-scale shell model calculations.
doi: 10.1103/PhysRevC.81.024306
2010SI04 Phys.Rev. C 81, 027602 (2010) D.Singh, R.Ali, M.Afzal Ansari, K.S.Babu, P.P.Singh, M.K.Sharma, B.P.Singh, R.K.Sinha, R.Kumar, S.Muralithar, R.P.Singh, R.K.Bhowmik Incomplete fusion dynamics by spin distribution measurements NUCLEAR REACTIONS 124Sn(16O, X)133Ce/134Ce/135Ce/133La/135La/131Ba/132Ba/133Ba/128,130,133Xe/131Cs/127I, E=6.3 MeV/nucleon; measured Eγ, Iγ; deduced spin distributions of evaporation residues formed in xn, pxn, αxn, αpxn and 2αxn reaction channels.
doi: 10.1103/PhysRevC.81.027602
2010SI10 Phys.Rev. C 81, 054607 (2010) Devendra P.Singh, Unnati, P.P.Singh, A.Yadav, M.K.Sharma, B.P.Singh, K.S.Golda, R.Kumar, A.K.Sinha, R.Prasad Energy dependence of incomplete fusion processes in the 16O + 181Ta system: Measurement and analysis of forward-recoil-range distributions at Elab ≤ 7 MeV/nucleon NUCLEAR REACTIONS 181Ta(16O, X)186Ir/190Au/191Au/192Au/191Hg/192Hg/193Hg/192Tl/193Tl/194Tl, E=81, 90, 96 MeV; measured Eγ, Iγ, forward recoil range distributions (RRD); deduced incomplete fusion fractions. Comparison with break-up fusion (BUF) model.
doi: 10.1103/PhysRevC.81.054607
2009GU24 Phys.Rev. C 80, 024613 (2009) U.Gupta, P.P.Singh, D.P.Singh, M.K.Sharma, A.Yadav, R.Kumar, S.Gupta, H.D.Bhardwaj, B.P.Singh, R.Prasad Disentangling full and partial linear momentum transfer events in the 16O+169Tm system at Eproj ≤ 5.4 MeV/nucleon NUCLEAR REACTIONS 169Tm(16O, X)171Lu/172Lu/171Hf/175Hf/181Re/181Os/182Os/182Ir, E=76, 81 MeV; measured σ, angular distributions, forward recoil ranges and most probable recoil ranges.
doi: 10.1103/PhysRevC.80.024613
2009SI02 Phys.Lett. B 671, 20 (2009) P.P.Singh, B.P.Singh, M.K.Sharma, U.Gupta, R.Kumar, D.Singh, R.P.Singh, S.Murlithar, M.A.Ansari, R.Prasad, R.K.Bhowmik Probing of incomplete fusion dynamics by spin-distribution measurement NUCLEAR REACTIONS 169Tm(16O, X)177Re/178Re/179Re/180Os/181Os/182Os/180Ir/181Ir/182Ir, E=5.6 MeV/nucleon; measured Eγ, Iγ, (charged-particle)γ-coin, yields, spin distributions; deduced γ cascade feeding intensities. Comparison with PACE4 calculations.
doi: 10.1016/j.physletb.2008.11.035
2009SI16 Phys.Rev. C 80, 014601 (2009) Devendra P.Singh, Unnati, P.P.Singh, A.Yadav, M.K.Sharma, B.P.Singh, K.S.Golda, R.Kumar, A.K.Sinha, R.Prasad Investigation of the role of break-up processes on the fusion of 16O induced reactions NUCLEAR REACTIONS 181Ta(16O, 3n), (16O, 4n), (16O, 5n), (16O, 3np), (16O, 4np), (16O, 5np), (16O, nα), (16O, 2nα), (16O, 3nα)190Au/191Au/192Au/191Hg/191mHg/192Hg/193Hg/193mHg/192Tl/192mTl/193Tl/193mTl/194Tl/194mTl, E=76-100 MeV; measured Eγ, Iγ, σ, and excitation functions; deduced fraction of incomplete fusion. Comparison with experimental data for other reactions with 16O and 12C projectiles and with PACE4 predictions.
doi: 10.1103/PhysRevC.80.014601
2009SI34 Phys.Rev. C 80, 064603 (2009) P.P.Singh, A.Yadav, D.P.Singh, U.Gupta, M.K.Sharma, R.Kumar, D.Singh, R.P.Singh, S.Muralithar, M.A.Ansari, B.P.Singh, R.Prasad, R.K.Bhowmik Role of high ℓ values in the onset of incomplete fusion NUCLEAR REACTIONS 169Tm(12C, X)171Lu/173Ta/174Ta/175Ta/176W/176Re/177Re/178Re/180Ir/180Os/, E=5.6, 6.5 MeV/nucleon; measured α spectra, Eγ, Iγ, γ(particle)-coin; deduced yields, spin distributions, and role of angular momentum on yields in incomplete fusion. Comparison with data for 169Tm(16O, X) reaction.
doi: 10.1103/PhysRevC.80.064603
2008GU13 Nucl.Phys. A811, 77 (2008) U.Gupta, P.P.Singh, D.P.Singh, M.K.Sharma, A.Yadav, R.Kumar, B.P.Singh, R.Prasad Observation of large incomplete fusion in 16O + 103Rh system at ≈ 3-5 MeV/nucleon NUCLEAR REACTIONS 103Rh(16O, X)114Te/115Te/116Te/117Te/115Sb/116Sb/117Sb/110Sn/108In/109In/110In/111In/103Ag/104Ag/106Ag, E≈46-85 MeV; measured Eγ, Iγ, σ. Discussed fraction of (in)complete fusion. Comparison with PACE4 calculations. HPGe detector, stacked targets, energy degradation technique.
doi: 10.1016/j.nuclphysa.2008.07.013
2008SI02 Phys.Rev. C 77, 014607 (2008) P.P.Singh, B.P.Singh, M.K.Sharma, Unnati, D.P.Singh, R.Prasad, R.Kumar, K.S.Golda Influence of incomplete fusion on complete fusion: Observation of a large incomplete fusion fraction at E ≈ 5-7 MeV/nucleon NUCLEAR REACTIONS 159Tb(16O, 3nα), (16O, 4nα), (16O, 3npα), (16O, n2α), E=95 MeV; 159Tb(16O, 3npα), (16O, n2pα), (16O, n3pα), (16O, 4nα), (16O, 2nα), E=95 MeV; measured Eγ, Iγ, production cross sections, excitation functions. 167,168Lu, 167Yb, 177W, 166Tb, 178Ta, 177Hf, 177,179Re; measured excitation functions in fusion reactions.
doi: 10.1103/PhysRevC.77.014607
2008SI09 Int.J.Mod.Phys. E17, 549 (2008) P.P.Singh, B.P.Singh, B.Sharma, Unnati, M.K.Sharma, R.Prasad, R.Kumar, H.D.Bhardwaj Production of fission-like events after complete and/or incomplete fusion of 16O with 159Tb and 169Tm at E/A ≈ MeV NUCLEAR REACTIONS 159Tb(16O, X), E=5.6 MeV/nucleon; measured Eγ, Iγ. 77Kr, 84mY, 80Sr, 75Br, 104Tc, 83Y, 85Y, 87mY, 81Sr, 83Sr, 85mSr, 74mBr, 83Kr, 88Kr, 94Ru, 102Ag, 95Ru, 79Rb, 87Zr, 110In, 78As, 112Ag; deduced σ of fission like events after complete and/or incomplete fusion. Recoil-catcher technique, γ-spectroscopy. NUCLEAR REACTIONS 169Tm(16O, X), E=5.9 MeV/nucleon; measured Eγ, Iγ. 107In;66Ge;88Nb;95Y;83Se;99mTc;109Sn;101Tc;79As;105In;108mRh;95Ru;92Y;98mNb;87Kr;92Sr;105Tc;78Ge;110In;104Tc;115Ag;70As;115Ag;70As;112Ag;108In; deduced σ of fission like events after complete and/or incomplete fusion. Recoil-catcher technique, γ-spectroscopy.
doi: 10.1142/S0218301308009902
2008SI20 Phys.Rev. C 78, 017602 (2008) P.P.Singh, B.P.Singh, M.K.Sharma, Unnati, R.Kumar, K.S.Golda, D.Singh, R.P.Singh, S.Muralithar, M.A.Ansari, R.Prasad, R.K.Bhowmik Spin-distribution measurement: A sensitive probe for incomplete fusion dynamics NUCLEAR REACTIONS 169Tm(16O, 3n), (16O, 2nα), (16O, n2α), (16O, 4np2α), (16O, np3α), E=5.6 MeV/nucleon; measured (particle)γ-coin, spin distributions. 177,178,179Re, 180,181,182Os, 180,181,182Ir; measured yield ratios.
doi: 10.1103/PhysRevC.78.017602
2008YA21 Phys.Rev. C 78, 044606 (2008) A.Yadav, P.P.Singh, M.K.Sharma, D.P.Singh, Unnati, B.P.Singh, R.Prasad, M.M.Musthafa Large pre-equilibrium contribution in α + natNi interactions at ≈8-40 MeV NUCLEAR REACTIONS 58Ni(α, p), (α, np); 60Ni(α, 2np), (α, n), (α, 2n); 61Ni(α, 3n), (α, n), E=8-40 MeV; measured σ. Comparisons with predictions of theoretical code ALICE-91.
doi: 10.1103/PhysRevC.78.044606
2007SH19 Phys.Rev. C 75, 064608 (2007) M.K.Sharma, Unnati, D.P.Singh, P.P.Singh, B.P.Singh, H.D.Bhardwaj, R.Prasad Reaction mechanism in the 16O+27Al system: Measurements and analysis of excitation functions and angular distributions NUCLEAR REACTIONS 27Al(16O, X), E=58-94 MeV; measured Eγ, T1/2, cross sections and angular distributions for radioactive residues. Compared results to model calculations.
doi: 10.1103/PhysRevC.75.064608
2007SI30 Eur.Phys.J. A 34, 29 (2007) P.P.Singh, M.K.Sharma, Unnati, D.P.Singh, R.Kumar, K.S.Golda, B.P.Singh, R.Prasad Observation of complete- and incomplete-fusion components in 159Tb, 169Tm(16O, x) reactions: Measurement and analysis of forward recoil ranges at E/A ∼ 5-6 MeV NUCLEAR REACTIONS 159Tb(16O, X)166Tm/167Yb/167Lu/168mLu, E≈90 MeV; 169Tm(16O, X)177Hf/178Ta/177W/177Re/179Re, E≈87 MeV; measured Eγ, Iγ; deduced (in-)complete fusion evaporation residue yields, σ, T1/2, recoil range distributions.
doi: 10.1140/epja/i2007-10487-1
1997MU14 Phys.Scr. 55, 409 (1997) S.Mukherjee, N.L.Singh, A.V.Mohan Rao, L.Chaturvedi, P.P.Singh Analysis of the Excitation Functions from Alpha Particle Induced Reactions up to 120 MeV NUCLEAR REACTIONS, ICPND 93Nb(α, n), (α, 2n), (α, 2p), (α, nα), (α, 3nα), (α, 3npα), (α, 4npα), (α, 6npα), (α, n2α), (α, 2n2α), (α, 3n2α), E=30-120 MeV; measured residual nucleus production σ vs E(alpha); deduced pre-equilibrium decay features. Stacked foil technique. Independently interacting exiton model.
doi: 10.1088/0031-8949/55/4/005
1995SI11 J.Phys.(London) G21, 399 (1995) N.L.Singh, S.Mukherjee, A.V.Mohan Rao, L.Chaturvedi, P.P.Singh Effects of Pre-Equilibrium Nucleon Emission on Excitation Functions of Various Reactions in Vanadium Induced by Alpha Particles NUCLEAR REACTIONS, ICPND 51V(α, 3n), (α, n), (α, 3np), (α, 6np), (α, 3nα), (α, n2pα), (α, 2α), (α, n2α), (α, 3n2α), E ≤ 120 MeV; measured σ(E). Stacked foil technique. Hybrid model analysis.
doi: 10.1088/0954-3899/21/3/014
1993RO08 Phys.Rev.Lett. 70, 2864 (1993) H.Rohdjess, W.Scobel, H.O.Meyer, P.V.Pancella, S.F.Pate, M.A.Pickar, R.E.Pollock, B.von Przewoski, T.Rinckel, P.P.Singh, F.Sperisen, L.Sprute Total Cross Section for p + d → p + d + π0 Close to Threshold NUCLEAR REACTIONS 2H(p, pπ0), E=208.4-294.6 MeV; measured dp-coin, missing mass spectra; deduced reaction σ(E), eta production σ. Internal D2 gas target.
doi: 10.1103/PhysRevLett.70.2864
1993RO15 Phys.Scr. 48, 62 (1993) H.Rohdjess, H.O.Meyer, P.V.Pancella, S.F.Pate, M.A.Pickar, R.E.Pollock, B.von Przewoski, T.Rinckel, W.Scobel, P.P.Singh, F.Sperisen, L.Sprute Total Cross Section for pd → pdπ0 Close to Threshold NUCLEAR REACTIONS 2H(p, pπ0), E=200-294 MeV; measured σ vs maximum pion momentum. 2H(p, p), E=200-294 MeV; measured σ(θ).
1992GR19 J.Phys.(London) G18, 1753 (1992) P.Grabmayr, A.Mondry, G.J.Wagner, P.Woldt, G.P.A.Berg, J.Lisantti, D.W.Miller, H.Nann, P.P.Singh, E.J.Stephenson Search for 3s1/2 Hole-Strength Fragments via the 208Pb(d(pol), 3He)207Tl Reaction NUCLEAR REACTIONS 208Pb(polarized d, 3He), E=80 MeV; measured σ(E(3He)), σ(θ). 207Tl deduced levels, J, π, spectroscopic factors, configuration.
doi: 10.1088/0954-3899/18/11/008
1992SK02 Z.Phys. A342, 61 (1992) W.Skulski, B.Fornal, R.Broda, J.Jastrzebski, P.Koczon, J.Kownacki, M.Opacka, T.Pawlat, L.Pienkowski, W.Plociennik, J.Sieniawski, P.P.Singh, J.Styczen, J.Wrzesinski Mass and Charge Release by the Evaporation of Particles from Compound Nuclei Around Mass 60 NUCLEAR REACTIONS 54,56Fe, 58Ni, 59Co(α, X), E=23, 27 MeV; measured reaction product σ. 59Co(α, n), (α, 2n), E=23, 27 MeV; measured σ(E); deduced σ-averaged charge, mass removed from composite nucleus. Statistical model. Self-supporting enriched 54,56Fe, 58Ni targets.
doi: 10.1007/BF01294489
1991UR01 Phys.Lett. 258B, 293 (1991) W.Urban, R.M.Lieder, J.C.Bacelar, P.P.Singh, D.Alber, D.Balabanski, W.Gast, H.Grawe, G.Hebbinghaus, J.R.Jongman, T.Morek, R.F.Noorman, T.Rzaca-Urban, H.Schnare, M.Thoms, O.Zell, W.Nazarewicz High-Spin Octupole Correlations in the N = 86, 146Nd and 148Sm Nuclei NUCLEAR REACTIONS 130Te(22Ne, X), E=85 MeV; measured γ-spectra, γγ-coin. 138Ba(13C, 3n), E=55 MeV; measured γ linear polarization. 136Xe(13C, X), E=55 MeV; measured γ-spectra, γγ-coin. 146Nd, 148Sm deduced levels, J, π, B(λ) ratios.
doi: 10.1016/0370-2693(91)91088-D
1990CH23 Phys.Rev. C41, 2514 (1990) Q.Chen, J.J.Kelly, P.P.Singh, M.C.Radhakrishna, W.P.Jones, H.Nann Effective Interactions and Nuclear Structure Using 180 MeV Protons. II. 28Si(p, p') NUCLEAR REACTIONS 28Si(polarized p, p'), (polarized p, p), E=180 MeV; measured σ(Ep), σ(θ), analyzing power vs θ; analyzed (e, e') data; deduced density, mass dependences of effective interaction. 28Si levels deduced transition density parameters.
doi: 10.1103/PhysRevC.41.2514
1990KE04 Phys.Rev. C41, 2525 (1990) J.J.Kelly, Q.Chen, P.P.Singh, M.C.Radhakrishna, W.P.Jones, H.Nann Effective Interactions and Nuclear Structure Using 180 MeV Protons. III. 30Si(p, p') NUCLEAR REACTIONS 30Si(polarized p, p), (polarized p, p'), E=180 MeV; measured σ(Ep), σ(θ), analyzing power vs θ; analyzed (e, e') data. 30Si levels deduced transition densities, Mn/Mp. NUCLEAR STRUCTURE 30Si; calculated neutron, proton transition densities. Shell model.
doi: 10.1103/PhysRevC.41.2525
1990SA02 Phys.Rev. C41, 1286 (1990) A.Saxena, S.Kailas, P.P.Singh, P.Schwandt, E.J.Stephenson Continuum Background in the Giant Resonance Region of Excitation NUCLEAR REACTIONS 58Ni, 116Sn, 90Zr, 208Pb(3He, 3He'), E=235-260 MeV; calculated σ(θ, E(3He')). Moving source model.
doi: 10.1103/PhysRevC.41.1286
1990SK03 Phys.Rev. C41, 2605 (1990) W.Skulski, J.Jastrzebski, P.P.Singh, Q.Chen, M.Fatyga Limitation of the Linear Momentum Transfer in 4He + 59Co Collisions NUCLEAR REACTIONS 59Co(α, X), E=90, 150, 200 MeV; measured evaporation residue recoil range distributions; deduced recoil velocity distributions, primary reaction products excitation energies.
doi: 10.1103/PhysRevC.41.2605
1989KA17 Nucl.Phys. A499, 283 (1989) S.Kailas, A.Saxena, P.P.Singh, Q.Chen, P.Schwandt, E.J.Stephenson Excitation of the Giant-Resonance Region in 58Ni and 208Pb by Inelastic Scattering of 270 MeV Helions NUCLEAR REACTIONS 58Ni, 208Pb(3He, 3He'), E=270 MeV; measured σ(θ). 58Ni, 208Pb deduced giant resonance excitation strength. Macroscopic collective model DWBA analysis.
doi: 10.1016/0375-9474(89)90047-X
1989KA41 Pramana 33, 365 (1989) S.Kailas, A.Saxena, P.P.Singh, Q.Chen, D.L.Friesel, P.Schwandt, E.J.Stephenson Giant Resonances in 90Zr and 116Sn NUCLEAR REACTIONS 90Zr, 116Sn(3He, 3He'), E=270 MeV; measured σ(θ); deduced model parameters. 90Zr, 116Sn deduced resonance parameters. DWBA analysis.
doi: 10.1007/BF02845828
1989RA22 Phys.Rev. C40, 1603 (1989) M.C.Radhakrishna, N.G.Puttaswamy, H.Nann, D.W.Miller, P.P.Singh, W.W.Jacobs, W.P.Jones, E.J.Stephenson Neutron Pickup Strength in 87Sr from the (p(pol), d) Reaction NUCLEAR REACTIONS 87Sr(polarized p, d), E=94.2, 91.8 MeV; measured σ(θ), analyzing power vs θ. 86Sr deduced levels, single particle strengths.
doi: 10.1103/PhysRevC.40.1603
1988RA01 Phys.Rev. C37, 66 (1988) M.C.Radhakrishna, N.G.Puttaswamy, H.Nann, J.D.Brown, W.W.Jacobs, W.P.Jones, D.W.Miller, P.P.Singh, E.J.Stephenson Proton Occupation Numbers in 206Pb from the (d(pol), 3He) Reaction NUCLEAR REACTIONS, MECPD 206Pb(polarized d, 3He), E=79.4 MeV; measured σ(θ), analyzing power vs θ; deduced model parameters. 206Pb deduced proton orbital rms radii. 205Tl deduced levels, J, π, spectroscopic strengths. 208,206Pb deduced proton occupation probabilities. Enriched target, magnetic spectrometer. DWBA analysis.
doi: 10.1103/PhysRevC.37.66
1987BA28 Phys.Lett. 189B, 287 (1987) T.Batsch, J.Blachot, Q.Chen, J.Crancon, M.Fatyga, A.Gizon, J.Jastrzebski, H.Karwowski, W.Kurcewicz, A.Lleres, T.Mroz, L.Pienkowski, P.P.Singh, S.E.Vigdor, I.Zychor Target Mass Dependence of the Average Linear Momentum Transfer NUCLEAR REACTIONS Co, Cu, Ag(3He, X), (α, X), (14N, X), (20Ne, X), E=10-90 MeV/nucleon; measured σ, forward recoil ranges; deduced average transferred linear momentum. Thick-target-thick-catcher recoil range techniques.
doi: 10.1016/0370-2693(87)91433-X
1987RA05 J.Phys.(London) G13, 535 (1987) J.Rama Rao, A.V.Mohan Rao, S.Mukherjee, R.Upadhyay, N.L.Singh, S.Agarwal, L.Chaturvedi, P.P.Singh Non-Equilibrium Effects in Alpha-Particle-Induced Reactions in Light, Medium and Heavy Nuclei up to 120 MeV NUCLEAR REACTIONS, ICPND 51V, 93Nb(α, n), 93Nb, 165Ho(α, 2n), 51V(α, 3n), 165Ho(α, 4n), E=10-120 MeV; measured σ(E). Activation method. Pre-equilibrium hybrid model.
doi: 10.1088/0305-4616/13/4/017
1987RA08 Nucl.Instrum.Methods Phys.Res. B24/25, 484 (1987) J.Rama Rao, A.V.Mohan Rao, S.Mukherjee, R.Upadhyay, N.L.Singh, S.Agarwal, L.Chaturvedi, P.P.Singh Excitation Functions of Alpha Particle Induced Reactions in Cobalt in the Energy Range 10-120 MeV using Variable Energy Cyclotrons NUCLEAR REACTIONS, ICPND 59Co(α, 5np), (α, 6np), (α, n2p), (α, n3p), (α, nα), (α, 2nα), (α, 3nα), (α, n2α), (α, 3n2α), (α, 3np2α), E=10-120 MeV; measured residue production σ(E). Activation method, Ge(Li) detector.
doi: 10.1016/0168-583X(87)90689-6
1986JA09 Phys.Rev. C34, 60 (1986) J.Jastrzebski, P.P.Singh, T.Mroz, S.E.Vigdor, M.Fatyga, H.J.Karwowski Interaction of 5-50 MeV/Nucleon 3He and 4He with 59Co NUCLEAR REACTIONS, ICPND 59Co(α, X)61Cu/60Cu/57Ni/62Cu/59Cu/62Ni/60Ni/59Ni/58Ni/61Co/60Co/58Co/58mCo/59Co/57Co/56Co/55Co/59Fe/58Fe/57Fe/56Fe/55Fe/54Fe/53Fe/52Fe/55Mn/54Mn/53Mn/52Mn/52mMn/51Mn/51Cr/52Cr/53Cr/54Cr/50Cr/49V/48V/50Ti/48Ti, E=20.1-198.9 MeV; 59Co(3He, X)61Cu/57Ni/58Co/58mCo/57Co/56Co/55Co/59Fe/52Fe/56Mn/54Mn/52Mn/51Cr/48V/48Sc/44Sc/44mSc, E=11-44.2 MeV; measured residual production σ, fragment mass, charge distributions, σ(fragment θ). In beam spectroscopy, activation techniques.
doi: 10.1103/PhysRevC.34.60
1986SI24 Pramana 27, 747 (1986) P.P.Singh, Q.Li, P.Schwandt, W.W.Jacobs, M.Saber, E.J.Stephenson, A.Saxena, S.Kailas Elastic and Inelastic Scattering of 270 MeV 3He Particles from 58Ni, 90Zr, 116Sn and 208Pb NUCLEAR REACTIONS 58Ni, 90Zr, 116Sn, 208Pb(3He, 3He), (3He, 3He'), E=270 MeV; measured σ(θ); deduced model parameters. 58Ni, 90Zr, 116Sn, 208Pb levels deduced B(E2), deformation lengths. Enriched target, magnetic spectrometer.
doi: 10.1007/BF02845643
1984JA04 Phys.Lett. 136B, 153 (1984) J.Jastrzebski, P.P.Singh, T.Mroz, H.J.Karwowski, S.E.Vigdor, M.Fatyga Momentum Transfer in 30-200 MeV 4He Induced Reaction with 59Co NUCLEAR REACTIONS 59Co(α, X), E=30-200 MeV; measured residual production σ, recoil range vs compound nucleus, residue mass difference; deduced momentum transfer average characteristics.
doi: 10.1016/0370-2693(84)91170-5
1984KA13 Phys.Rev. C29, 2075 (1984) S.Kailas, P.P.Singh, D.L.Friesel, C.C.Foster, P.Schwandt, J.Wiggins Excitation of Low-Lying Levels and Giant Multipole Resonances in 92Zr, 120Sn, and 208Pb by Inelastic Scattering of 104 MeV Polarized Protons NUCLEAR REACTIONS 92Zr, 120Sn, 208Pb(polarized p, p), E=104 MeV; measured σ(θ), analyzing power vs θ, σ(Ep); deduced optical model parameters. 92Zr, 120Sn, 208Pb levels deduced isoscalar transition rates in giant resonance region, L=4 admixture in GQR region.
doi: 10.1103/PhysRevC.29.2075
1983CI02 Phys.Rev. C27, 1360 (1983) G.Ciangaru, C.C.Chang, H.D.Holmgren, A.Nadasen, P.G.Roos, A.A.Cowley, S.Mills, P.P.Singh, M.K.Saber, J.R.Hall Continuum Spectrum in the Quasifree (p, 2p) Scattering NUCLEAR REACTIONS 58Ni(p, 2p), E=198 MeV; measured σ(θ1, E2, θ2, E2); deduced reaction mechanism. DWIA calculations, quasifree particle rescattering effect.
doi: 10.1103/PhysRevC.27.1360
1983WA09 Nucl.Phys. A401, 521 (1983) R.E.Warner, K.Blum, D.Friesel, P.Schwandt, P.P.Singh, A.Galonsky Multibody Final States of the 6Li + 6Li Reaction at 97 MeV NUCLEAR REACTIONS 6Li(6Li, 2α), 6Li(6Li, 2d), E=97.5 MeV; measured σ(θ1, θ2, E1, E2) for two-, three-α breakup; deduced reaction mechanisms. Single, double spectator pole models.
doi: 10.1016/0375-9474(83)90363-9
1982KA04 Phys.Rev. C25, 1263 (1982) S.Kailas, P.P.Singh, A.D.Bacher, C.C.Foster, D.L.Friesel, P.Schwandt, J.Wiggins Excitation of the Giant Resonance Region in Silicon by Inelastic Scattering of 115 MeV Protons NUCLEAR REACTIONS Si(p, p'), 28Si(p, p'), E=115 MeV; measured σ(θ). 28Si levels deduced isospin, transition rates, EWSR strengths. DWBA analysis.
doi: 10.1103/PhysRevC.25.1263
1982KA05 Phys.Rev. C25, 1355 (1982) H.J.Karwowski, S.E.Vigdor, W.W.Jacobs, S.Kailas, P.P.Singh, F.Soga, T.G.Throwe, T.E.Ward, D.L.Wark, J.Wiggins Multiplicity of K X Rays and Collective Structure in the Transitional Nuclei with A ≈ 200 NUCLEAR REACTIONS 180Hf, 181Ta, 186W, 185,187Re, 194,198Pt, 197Au, 203,205Tl, 208Pb, 209Bi(6Li, xn), (7Li, xn), E=55-124 MeV; measured γ(X-ray)-, (X-ray)(X-ray)-coin, Eγ, Iγ, E(X-ray), I(X-ray); deduced σ(total), K X-ray multiplicity, production σ for K X-ray.
doi: 10.1103/PhysRevC.25.1355
1982KA27 Phys.Rev. C26, 1733 (1982) S.Kailas, P.P.Singh, A.D.Bacher, C.C.Foster, D.L.Friesel, P.Schwandt, J.Wiggins Excitation of Giant Resonances in 92Zr by Inelastic Scattering of 115 MeV Protons NUCLEAR REACTIONS 92Zr(p, p'), E=115 MeV; measured σ(Ep'), σ(θ). 92Zr deduced GDR, GQR, octupole, monopole, hexadecapole giant resonances, EWSR. DWBA analysis.
doi: 10.1103/PhysRevC.26.1733
1982SE14 Phys.Rev. C26, 2424 (1982) R.E.Segel, T.Chen, L.L.Rutledge, Jr., J.V.Maher, J.Wiggins, P.P.Singh, P.T.Debevec Inclusive Proton Reactions at 164 MeV NUCLEAR REACTIONS 27Al, 58,62Ni, 208Pb(p, pX), (p, dX), (p, tX), (p, 3HeX), (p, αX), E=100, 164 MeV; measured σ(θ, Ep), σ(θ, Et), σ(θ, Ed), σ(θ, E(3He)), σ(θ, Eα); deduced reaction mechanism, evaporation, total yields.
doi: 10.1103/PhysRevC.26.2424
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