NSR Query Results
Output year order : Descending NSR database version of March 21, 2024. Search: Author = B.P.Singh Found 107 matches. Showing 1 to 100. [Next]2024AS01 Nucl.Phys. A1041, 122786 (2024) M.S.Asnain, M.K.Sharma, Mohd.Shuaib, A.Siddique, I.Majeed Bhat, B.P.Singh, R.Prasad Investigating the influence of input angular momentum on independence hypothesis in heavy-ion induced fusion reactions NUCLEAR REACTIONS 159Tb(18O, X), 165Ho(12C, X), E=50-100 MeV; analyzed available data; deduced a channel wise analysis of σ data for evaporation residues within the framework of statistical model code PACE4.
doi: 10.1016/j.nuclphysa.2023.122786
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
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
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
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
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
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
2018SH39 Eur.Phys.J. A 54, 205 (2018) M.K.Sharma, M.Kumar, M.Shuaib, V.R.Sharma, A.Yadav, Pushpendra P.Singh, D.P.Singh, B.P.Singh, R.Prasad Analysis of experimental cross-section for (α, n) reactions in odd A and odd Z heavy nuclei: A systematics on pre-compound emission COMPILATION 139La, 159Tb, 181Ta, 197Au, 203Tl(α, n), E=cyclotron; compiled σ; calculated σ, pre-equilibrium fraction using PACE4 (compound nucleus only) and ALICE (includes pre-equilibrium) with varied parameters; deduced parameters influence on the cross sections.
doi: 10.1140/epja/i2018-12634-y
2017AL39 Nucl.Phys. A968, 403 (2017) R.Ali, M.Afzal Ansari, D.Singh, R.Kumar, D.P.Singh, M.K.Sharma, U.Gupta, B.P.Singh, P.D.Shidling, D.Negi, S.Muralithar, R.P.Singh, R.K.Bhowmik Observed side feeding in incomplete fusion dynamics in 16O + 160Gd reaction at energy ∼ 5.6 MeV/A: Spin distribution measurements NUCLEAR REACTIONS 160Gd(16O, x), E≈5.6 MeV/nucleon; measured Eγ, Iγ(θ), Ep, Ip(θ), Eα, Iα(θ), pγ-coin, αγ-coin using GDA (Gamma Detector Array) consisting of 12 n-type Compton suppressed HPGE working together with CPDA (Charged Particle Detector Array); deduced relative spin distributions (relative yields vs spin) of different reaction channels, evaporation residues yrast bands side feeding intensities, mean input angular momentum for different reaction channels.
doi: 10.1016/j.nuclphysa.2017.09.005
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
2016SH04 Nucl.Phys. A946, 182 (2016) Vijay R.Sharma, Pushpendra P.Singh, M.Shuaib, A.Yadav, I.Bala, Manoj K.Sharma, S.Gupta, D.P.Singh, R.Kumar, S.Muralithar, R.P.Singh, B.P.Singh, R.Prasad, R.K.Bhowmik Incomplete fusion in 16O+159Tb
doi: 10.1016/j.nuclphysa.2015.11.012
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
2015SI14 Eur.Phys.J. A 51, 107 (2015) B.P.Singh, and the PANDA Collaboration Experimental access to Transition Distribution Amplitudes with the PANDA experiment at FAIR
doi: 10.1140/epja/i2015-15107-y
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
2012SA21 Int.J.Mod.Phys. E21, 1250059 (2012) B.Satheesh, M.M.Musthafa, B.P.Singh, R.Prasad Study of isomeric cross-section ratio and pre-equilibrium fraction in proton and alpha particle induce nuclear reactions on 197Au NUCLEAR REACTIONS 197Au(p, n), E<20 MeV; measured reaction products; deduced isomeric σ ratio. Comparison with available data. NUCLEAR REACTIONS 197Au(p, n), (p, 2n), (p, 3n), (p, 4n), (p, 5n), (α, n), (α, 2n), (α, 3n), (α, 4n), (α, 5n), E<80 MeV; calculated σ, isomeric σ ratios. EMPIRE II nuclear model code, comparison with available data.
doi: 10.1142/S0218301312500590
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
2011SA49 Int.J.Mod.Phys. E20, 2119 (2011) B.Satheesh, M.M.Musthafa, B.P.Singh, R.Prasad Nuclear isomers 90m, gZr, 89m, gZr, 89m, gY and 85m, gSr formed by bombardment of 89Y with protons of energies from 4 to 40 MeV NUCLEAR REACTIONS 89Y(p, n), E<15 MeV; measured reaction isomer products, Eγ, Iγ; deduced σ, isomeric σ ratio. NUCLEAR REACTIONS 89Y(p, γ), (p, n), (p, p), (p, nα), E=4-40 MeV; calculated σ, isomeric σ ratio; deduced preequilibrium emission. Empire nuclear model code calculations.
doi: 10.1142/S0218301311019702
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
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
2007SH01 Eur.Phys.J. A 31, 43 (2007) M.K.Sharma, H.D.Bhardwaj, Unnati, Pushpendra P.Singh, B.P.Singh, R.Prasad A study of pre-equilibrium emission of neutrons in 93Nb(α, xn) reactions NUCLEAR REACTIONS 93Nb(α, n), (α, 2n), (α, 3n), E ≈ 10-40 MeV; measured excitation functions, isomer ratios; deduced role of pre-equilibrium neutron emission. Stacked-foil activation technique.
doi: 10.1140/epja/i2005-10318-5
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
2006SH18 Nucl.Phys. A776, 83 (2006) M.K.Sharma, Unnati, B.P.Singh, R.Kumar, K.S.Golda, H.D.Bhardwaj, R.Prasad A study of the reactions occurring in 16O + 159Tb system: Measurement of excitation functions and recoil range distributions NUCLEAR REACTIONS 159Tb(16O, 3n), (16O, 4n), (16O, 5n), (16O, 3np), (16O, 4np), (16O, 2n2p), (16O, nα), (16O, 2nα), (16O, 2n2α), E ≈ 70-95 MeV; measured excitation functions, recoil range distributions; deduced contribution from incomplete fusion. Activation technique, comparison with model predictions.
doi: 10.1016/j.nuclphysa.2006.06.171
2006SI18 Nucl.Instrum.Methods Phys.Res. A562, 717 (2006) B.P.Singh, M.K.Sharma, M.M.Musthafa, H.D.Bhardwaj, R.Prasad A study of pre-equilibrium emission in some proton- and alpha-induced reactions NUCLEAR REACTIONS 60,61Ni, 93Nb, 121,122Sb, 130Te(p, n), E ≈ 4-20 MeV; 63,65Cu, 93Nb, 121,123Sb, 197Au(α, n), E ≈ 5-45 MeV; measured excitation functions. Stacked-foil activation, comparison with model predictions.
doi: 10.1016/j.nima.2006.02.030
2005MU01 Appl.Radiat.Isot. 62, 419 (2005) M.M.Musthafa, M.K.Sharma, B.P.Singh, R.Prasad Measurement and analysis of cross sections for (p, n) reactions in 51V and 113In NUCLEAR REACTIONS 51V(p, n), E=4-16 MeV; 113In(p, n), E=6-20 MeV; measured σ; deduced pre-equilibrium contribution. Stacked-foil activation technique, comparison with model predictions.
doi: 10.1016/j.apradiso.2003.10.014
2005UN01 Int.J.Mod.Phys. E14, 775 (2005) Unnati, M.K.Sharma, B.P.Singh, R.Prasad, S.Gupta, H.D.Bhardwaj, A.K.Sinha A study of excitation functions for some residues produced in the system 14N + 128Te in the energy range ≈ 64-90 MeV NUCLEAR REACTIONS 128Te(14N, 4n), (14N, 5n), (14N, 4np), (14N, 5nα), (14N, 6nα), (14N, n2pα), (14N, n2p2α), (14N, 3α), E ≈ 64-90; measured excitation functions; deduced reaction mechanism features. Activation technique, comparison with model predictions.
doi: 10.1142/S0218301305003545
2004SH43 Phys.Rev. C 70, 044606 (2004) M.K.Sharma, Unnati, B.K.Sharma, B.P.Singh, H.D.Bhardwaj, R.Kumar, K.S.Golda, R.Prasad Complete and incomplete fusion reactions in the 16O + 169Tm system: Excitation functions and recoil range distributions NUCLEAR REACTIONS 169Tm(16O, 3n), (16O, 4n), (16O, 2np), (16O, 3np), (16O, 2n2p), (16O, 3nα), (16O, np2α), (16O, nα), E=71-95 MeV; measured excitation functions, recoil range distributions. Activation technique, comparison with model predictions.
doi: 10.1103/PhysRevC.70.044606
2003SH21 J.Phys.Soc.Jpn. 72, 1917 (2003) M.K.Sharma, B.P.Singh, S.Gupta, M.M.Musthafa, H.D.Bhardwaj, R.Prasad, A.K.Sinha Complete and Incomplete Fusion: Measurement and Analysis of Excitation Functions in 12C + 128Te System at Energies near and above the Coulomb Barrier NUCLEAR REACTIONS 128Te(12C, 3n), (12C, 5n), (12C, 4np), (12C, 3nα), (12C, 5nα), (12C, n4pα), E ≈ 42-82 MeV; measured production σ. Activation technique, comparison with data.
doi: 10.1143/JPSJ.72.1917
2002GU12 Int.J.Mod.Phys. E11, 45 (2002) S.Gupta, B.P.Singh, M.K.Sharma, R.Prasad, M.M.Musthafa, H.D.Bhardwaj Measurement of Recoil Ranges in the 12C + 165Ho System below 7 MeV/Nucleon NUCLEAR REACTIONS 165Ho(12C, 3n), (12C, 4n), (12C, 5n), (12C, 3np), (12C, 2nα), (12C, 4nα), (12C, 6nα), (12C, 2n2α), (12C, 4n2α), E=71 MeV; 165Ho(12C, 4n), (12C, 5n), (12C, 3np), (12C, 5np), (12C, 2nα), (12C, 4nα), (12C, 6nα), (12C, 2n2α), (12C, 4n2α), E=80 MeV; measured yields, recoil range distributions.
doi: 10.1142/S021830130200065X
2002GU25 J.Phys.Soc.Jpn. 71, 2434 (2002) S.Gupta, B.P.Singh, M.M.Musthafa, H.D.Bhardwaj, M.K.Sharma, R.Prasad, A.K.Sinha Decay of 177Ta Composite Nucleus: Comparison of Excitation Functions for the Reaction Residues Occurring in 12C + 165Ho and 14N + 163Dy Reactions NUCLEAR REACTIONS 163Dy(14N, 3n), (14N, 4n), (14N, 5n), (14N, 3np), E=65-84 MeV; measured production σ; deduced role of incomplete fusion. 165Ho(12C, 3n), (12C, 4n), (12C, 5n), (12C, 3np), E* ≈ 38-62 MeV; analyzed excitation functions. Activation technique, comparison with model predictions.
doi: 10.1143/JPSJ.71.2434
2002SA34 Phys.Rev. C66, 014602 (2002); Erratum Phys.Rev. C67, 059903 (2003) N.P.M.Sathik, M.Afzal Ansari, B.P.Singh, M.Ismail, M.H.Rashid Preequilibrium Emission in α Induced Reactions on Bromine and Thallium NUCLEAR REACTIONS 203Tl(α, n), 79Br, 203Tl(α, 2n), 203,205Tl(α, 3n), 81Br, 203,205Tl(α, 4n), E ≈ 20-50 MeV; measured production σ. Stacked-foil activation technique, comparison with model predictions.
doi: 10.1103/PhysRevC.66.014602
2000GU24 Phys.Rev. C61, 064613 (2000) S.Gupta, B.P.Singh, M.M.Musthafa, H.D.Bhardwaj, R.Prasad Complete and Incomplete Fusion of 12C with 165Ho below 7 MeV/nucleon: Measurements and analysis of excitation functions NUCLEAR REACTIONS 165Ho(12C, X)172Ta/173Ta/174Ta/171Hf/173Hf/167Lu/169Lu/171Lu/165Tm/167Tm, E=55-80 MeV; measured σ; deduced possible pre-equilibrium emission. Activation technique. Comparison with model prediction.
doi: 10.1103/PhysRevC.61.064613
1996AN15 Int.J.Mod.Phys. E5, 345 (1996) M.A.Ansari, N.P.M.Sathik, B.P.Singh, M.G.V.Sankaracharyulu, R.Prasad Study of Excitation Functions in Rh(α, xn)Ag Reactions NUCLEAR REACTIONS, ICPND 103Rh(α, n), (α, 2n), (α, 3n), E=13.59-39.88 MeV; measured σ(E). Geometry dependent hybrid model.
doi: 10.1142/S0218301396000165
1996BR48 Nucl.Instrum.Methods Phys.Res. B111, 22 (1996) J.S.Braich, D.P.Goyal, A.Mandal, B.B.Dhal, B.P.Singh, H.C.Padhi, C.S.Khurana, H.R.Verma Measurement of L X-Ray Intensity Ratios in Tantalum by Proton and Si-Ion Impact ATOMIC PHYSICS Ta(p, X), E=1.0-4.6 MeV; Ta(28Si, X), E=70-98 MeV; measured L X-ray production σ.
doi: 10.1016/0168-583X(95)01299-0
1996SA48 Pramana 47, 401 (1996) N.P.M.Sathik, M.Afzal Ansari, B.P.Singh, R.Prasad Measurement and Analysis of Excitation Functions for Alpha Induced Reactions on Iodine and Cesium NUCLEAR REACTIONS, ICPND 127I(α, 2n), E=18-50 MeV; 127I(α, 4n), E=40-50 MeV; 133Cs(α, 2n), E=18-48 MeV; 133Cs(α, 4n), E=40-48 MeV; measured total σ vs E; deduced preequilibrium effects. Weisskopf-Ewing model calculations. Stacked foil activation technique.
doi: 10.1007/BF02847827
1995GO40 Z.Phys. D35, 155 (1995) D.P.Goyal, J.S.Braich, S.Murlithar, B.P.Singh, H.R.Verma L-Shell Ionization in Au by O5+-and Ni5+-Ion Impact NUCLEAR REACTIONS 197Au(O, X), E=60-72 MeV; 197Au(Ni, X), E=58-87 MeV; measured L X-ray production σ. PWBA, modified perturbation-stationary-state theory with energy loss, Coulomb deflection, relativistic effects. ATOMIC PHYSICS 197Au(O, X), E=60-72 MeV; 197Au(Ni, X), E=58-87 MeV; measured L X-ray production σ. DWBA, modified perturbation-stationary-state theory with energy loss, Coulomb deflection, relativistic effects.
doi: 10.1007/BF01437064
1995MU20 Phys.Rev. C52, 3174 (1995) M.M.Musthafa, B.P.Singh, M.G.V.Sankaracharyulu, H.D.Bhardwaj, R.Prasad Semiclassical and Quantum Mechanical Analysis of the Excitation Function for the 130Te(p, n)130I Reaction NUCLEAR REACTIONS, ICPND 130Te(p, n), E=4-18 MeV; measured σ(E), γ-branching ratio. Enriched target, stacked foil, activation analysis, Ge(Li) detector.
doi: 10.1103/PhysRevC.52.3174
1995SI18 Phys.Scr. 51, 440 (1995) Measurement and Analysis of Excitation Function for the Reactions 165Ho(α, xn) (x = 1-3) in the Energy Range ≈ 10-40 MeV NUCLEAR REACTIONS, ICPND 165Ho(α, n), (α, 2n), (α, 3n), E=10-40 MeV; measured σ(E); deduced preequilibrium fraction projectile energy dependence. Semi-classical preequilibrium, quantum mechanical statistical multi-step models.
doi: 10.1088/0031-8949/51/4/004
1993SI03 Phys.Rev. C47, 2055 (1993) B.P.Singh, M.G.V.Sankaracharyulu, M.Afzal Ansari, H.D.Bhardwaj, R.Prasad Equilibrium and Preequilibrium Emission in Some α-Induced Reactions on Enriched Isotopes 128,130Te at Moderate Excitation Energies NUCLEAR REACTIONS, ICPND 130,128Te(α, np), E ≈ 22.56-44.96 MeV; measured σ(E); deduced preequilibrium fraction energy, target mass dependences. Statistical model.
doi: 10.1103/PhysRevC.47.2055
1992SI26 Int.J.Mod.Phys. E1, 823 (1992) B.P.Singh, M.G.V.Sankaracharyulu, M.A.Ansari, R.Prasad, H.D.Bhardwaj Measurement and Analysis of Excitation Functions for Alpha-Induced Reactions in Bismuth NUCLEAR REACTIONS, ICPND 209Bi(α, 3n), (α, 4n), (α, 5n), E=threshold-50 MeV; measured σ(E); deduced preequilibrium to compound emission is independent of incident energy. Exciton, Hauser-Fesbach models.
doi: 10.1142/S0218301392000357
1991SI07 Nuovo Cim. 104A, 475 (1991) B.P.Singh, H.D.Bhardwaj, R.Prasad Exciton Model Analysis of Alpha-Induced Reactions on Manganese NUCLEAR REACTIONS, ICPND 55Mn(α, n), (α, 2n), (α, 4n), (α, nα), (α, 3n2p), (α, 3nα), E ≈ 10-60 MeV; measured σ(E). Exciton model analysis.
doi: 10.1007/BF02813585
1991SI15 Can.J.Phys. 69, 1376 (1991) B.P.Singh, H.D.Bhardwaj, R.Prasad A Study of Pre-Equilibrium Emission in α-Induced Reactions on 121,123Sb NUCLEAR REACTIONS, ICPND 121Sb(α, n), (α, 2n), (α, 4n), (α, 3np), 123Sb(α, 3n), (α, 4n), (α, n), E=30-60 MeV; measured σ(E). Stacked foil technique. Compound nucleus model, with, without pre-equilibrium emission.
doi: 10.1139/p91-205
1985PO04 Nucl.Phys. A436, 93 (1985) V.R.Potnis, G.P.Agin, B.P.Singh Multipole Mixing Ratios in the Decay of 133Ba from Triple-γ Directional Correlation Measurements RADIOACTIVITY 133Ba(EC); measured γγγ(θ). 133Cs transitions deduced δ, phases. Ge(Li), NaI(Tl) detectors.
doi: 10.1016/0375-9474(85)90543-3
1979RA19 Pramana 12, 243 (1979) Negative Parity States in 144Nd and Multipolarity of Gamma-Transitions from 1- to 2+ States by Beta-Gamma-Gamma Angular Correlation Method RADIOACTIVITY 144Pr; measured Eγ, Iγ, βγγ-coin, βγγ(θ). 144Nd levels deduced δ.
doi: 10.1007/BF02846391
1979RA36 Indian J.Pure Appl.Phys. 17, 518 (1979) β-γ-γ Angular Correlation Studies of Radiations from the Decay of 152Eu RADIOACTIVITY 152,154Eu; measured βγγ(θ), Eγ, Iγ. 152Gd deduced levels, J, π, γ-multipolarity, δ.
1977RA02 Pramana 8, 91 (1977) Beta-Gamma-Gamma Directional Correlation in 103Rh RADIOACTIVITY 103Ru; measured βγγ(θ). 103Rh levels deduced J, π, λ, δ.
doi: 10.1007/BF02872148
1976DI08 J.Phys.(London) G2, 219 (1976) Odd-Zinc Isotopes in the Unified Vibrational Model NUCLEAR STRUCTURE 65,67,69Zn; calculated levels, B(E2), B(M1), T1/2, δ, quadrupole moment. Unified vibrational model.
doi: 10.1088/0305-4616/2/4/007
1975PA23 Indian J.Phys. 49, 350 (1975) Gamma-Gamma-Gamma Angular Correlation Method for the Study of the Cascade 589-296-316 keV in Pt192 RADIOACTIVITY 192Ir; measured γγ(θ). 192Pt level deduced λ, δ.
1974DI22 Pramana 3, 323 (1974) Intermediate Coupling Model Description of 55Fe and 57Fe NUCLEAR STRUCTURE 55,57Fe; calculated levels, S, B(λ), T1/2, γ-branching.
doi: 10.1007/BF02846073
1974PA20 Pramana 3, 61 (1974) Effective Interactions and Charges in 58Ni NUCLEAR STRUCTURE 58Ni; calculated levels, B(E2).
doi: 10.1007/BF02847115
1974RA29 Indian J.Pure Appl.Phys. 12, 391 (1974) I.V.S.Rathore, R.R.Sharma, B.P.Singh On the Decay of 106Rh RADIOACTIVITY 106Rh; measured βγγ(θ). 106Pd levels deduced J, π.
1973DA32 Proc.Indian Acad.Sci., Sect.A 77, 226 (1973) Beta-Gamma-Gamma Angular Correlation Studies of the Radiations from the Decay of Sb124 RADIOACTIVITY 124Sb; measured Eβ, Eγ, βγγ(θ). 124Te deduced levels, J, γ-multipolarities.
1972CA20 Can.J.Phys. 50, 1630 (1972) B.Castel, I.P.Johnstone, B.P.Singh, K.W.C.Stewart Low-Lying Structure and Inelastic Scattering of Cu Isotopes in a Unified Model NUCLEAR STRUCTURE 59,61,63,65Cu; calculated levels, μ, quadrupole moment, B(E2), B(M1), γ-mixing, γ-branching, S. Quasiparticle coupling to anharmonic vibrations.
doi: 10.1139/p72-220
1972DA36 Indian J.Pure Appl.Phys. 10, 585 (1972) Study of the Decay of 134Cs by Beta-Gamma-Gamma Angular Correlation Measurements RADIOACTIVITY 134Cs; measured βγγ(θ), deduced mixing ratios. 134Ba levels deduced J, π.
1972SI13 Phys.Rev. C5, 1613 (1972) B.P.Singh, B.Castel, I.P.Johnstone, K.W.C.Stewart Nuclear Structure of 30P and 34Cl in a Unified Model NUCLEAR STRUCTURE 30P, 34Cl; calculated levels, B(E2), B(M1). Vibrational unified model.
doi: 10.1103/PhysRevC.5.1613
1972SI39 Phys.Rev. C6, 1789 (1972) Gamma-Gamma-Gamma Angular-Correlation Method for the Study of 308 → 296 → 316-keV Cascade in Pt192 RADIOACTIVITY 192Ir; measured γγγ-triple correlation. 192Pt transition deduced γ-mixing.
doi: 10.1103/PhysRevC.6.1789
1971PA25 Can.J.Phys. 49, 2088 (1971) Sign of delta the Amplitude Mixing Ratio of Gamma Transitions, and Gamma-Gamma-Gamma Angular Correlation Studies in 160Dy RADIOACTIVITY 160Tb; measured γγγ-triple correlation. 160Dy transitions deduced γ-mixing.
doi: 10.1139/p71-255
1971PA37 Nucl.Instrum.Methods 97, 123 (1971) Gamma-Gamma-Gamma Angular Correlation Method and Triple Gamma Angular Correlation Studies in 133Cs from the Decay of 133Ba RADIOACTIVITY 133Ba; measured γγγ-triple correlations. 133Cs transitions deduced γ-mixing.
doi: 10.1016/0029-554X(71)90522-2
1971SI21 Phys.Rev. C4, 1510 (1971) B.P.Singh, H.S.Dahiya, U.S.Pande Sign of delta, the Amplitude Mixing Ratio of Gamma Transitions, and Beta-Gamma-Gamma and Gamma-Gamma-Gamma Angular-Correlation Studies RADIOACTIVITY 110mAg; measured βγγ(θ), γγγ(θ). 110Cd transitions deduced γ-mixing ratio sign.
doi: 10.1103/PhysRevC.4.1510
1971SI29 Nucl.Instrum.Methods 97, 475 (1971) Relative Efficiency of Ge(Li) Gamma Ray Detectors from 0.5 to 12 MeV RADIOACTIVITY 56Co; measured Iγ. Ge(Li) detectors. NUCLEAR REACTIONS 27Al(p, γ), 31P(p, γ), E=992 keV, 1248 keV; measured σ(Eγ, θ(γ)). 23Na, 39K, (p, γ), E=resonance; measured σ(Eγ, θ(γ)). 32S deduced levels, γ-branching. 24Mg, 28Si, 40Ca deduced branching ratios.
doi: 10.1016/0029-554X(71)90249-7
1971ST32 Phys.Rev. C4, 2131 (1971) K.W.C.Stewart, B.Castel, B.P.Singh Odd Co Isotopes in a Unified Vibrational Model NUCLEAR STRUCTURE 57,59,61,63Co; calculated levels, B(λ). Unified vibrational model.
doi: 10.1103/PhysRevC.4.2131
1970CA24 Nucl.Phys. A157, 137 (1970) B.Castel, I.P.Johnstone, B.P.Singh, J.C.Parikh Occupancy of Spherical Shells in the Ground State of Even 2s-1d Shell Nuclei NUCLEAR STRUCTURE 20,22Ne, 24,26Mg, 28,30Si, 32S, 36Ar; calculated neutron, proton occupation numbers.
doi: 10.1016/0375-9474(70)90104-1
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