NSR Query Results
Output year order : Descending NSR database version of May 24, 2024. Search: Author = M.A.Ansari Found 16 matches. 2024SH08 Eur.Phys.J. A 60, (2024) N.Sharma, Dh.Singh, A.Mahato, R.K.Sahoo, L.Chhura, P.K.Giri, Sn.B.Linda, H.Kumar, S.A.Tali, M.A.Ansari, R.Ali, S.Kumar, I.Ahmed, Yashraj, R.Kumar, K.S.Golda, S.Muralithar, R.P.Singh Evidence of compound nucleus theory in the population of incompletely fused composite system ^{160}Dy* NUCLEAR REACTIONS ^{146}Nd(^{18}O, X)^{161}Er/^{159}Er/^{158}Er/^{161}Ho/^{159}Ho/^{157}Dy/^{155}Dy, E=68-102 MeV; measured reaction products, Eγ, Iγ. ^{160}Dy; deduced production σ, T_{1/2}. Comparison with available data and the predictions of statistical model code PACE-4 based on compound nucleus theory. 15UD Pelletron heavy ion accelerator facility of Inter-University Accelerator Centre (IUAC), New Delhi, India.
doi: 10.1140/epja/s10050-024-01293-8
2024SH14 J.Radioanal.Nucl.Chem. 333, 1541 (2024) N.Sharma, Dh.Singh, A.Mahato, P.K.Giri, S.B.Linda, H.Kumar, S.A.Tali, M.A.Ansari, I.Ahmed, S.Kumar, Yashraj, R.Kumar, K.S.Golda, S.Muralithar, R.P.Singh Role of incomplete fusion in production of ^{155}Tb NUCLEAR REACTIONS ^{146}Nd(^{16}O, X)^{155}Tb, E=3-7 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced σ. Comparison with PACE 4 calculations. General Purpose Scattering Chamber (GPSC) of Inter University Accelerator Centr e (IUAC), New Delhi, India.
doi: 10.1007/s10967-023-09111-z
2024TA01 Nucl.Phys. A1042, 122809 (2024) S.A.Tali, H.Kumar, M.A.Ansari, D.Singh, R.Ali, P.K.Giri, S.B.Linda, A.Mahato, N.K.Deb, R.Kumar, R.N.Ali Comprehension of breakup fusion reactions using forward recoil range distribution measurements NUCLEAR REACTIONS ^{165}Ho(^{12}C, X)^{171}Ta/^{172}Ta/^{173}Ta/^{171}Hf/^{173}Hf/^{169}Lu/^{170}Lu/^{171}Lu/^{169}Yb/^{166}Tm/^{167}Tm, E=88 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies and relative intensities, forward recoil range distributions (FRRDs) yields, most probable mean recoil ranges. Comparison with available data. Inter-University Accelerator Center (IUAC), New Delhi by employing the 15UD Pelletron accelerator facilities.
doi: 10.1016/j.nuclphysa.2023.122809
2019SI01 Nucl.Phys. A981, 75 (2019) D.Singh, P.K.Giri, A.Mahato, S.B.Linda, H.Kumar, M.A.Ansari, R.Ali, S.A.Tali, M.H.Rashid, R.Guin, S.K.Das Probing of incomplete fusion dynamics and its correlation with various systematic NUCLEAR REACTIONS ^{59}Co(^{20}Ne, xnypzα), E=62-150 MeV; measured activation Eγ, Iγ using HPGe coupled to PC data acquisition system; deduced complete, incomplete fusion σ, using MAESTRO and CANDLE systems (also using older publshed measurements of the authors); calculated σ, ICF fraction vs deformation using PACE-2 code. Cross sections and ICF fractions compared with available data.
doi: 10.1016/j.nuclphysa.2018.10.080
2018KU04 Eur.Phys.J. A 54, 47 (2018) H.Kumar, S.A.Tali, M.A.Ansari, D.Singh, R.Ali, Ka.Kumar, N.P.M.Sathik, A.Ali, S.Parashari, R.Dubey, I.Bala, R.Kumar, R.P.Singh, S.Muralithar Sensitivity of low-energy incomplete fusion to various entrance-channel parameters NUCLEAR REACTIONS ^{175}Lu(^{12}C, x), E≈88 MeV; measured Eγ, Iγ(t) from catcher Al foils using precalibrated HPGe and FRRD (Forward Recoil Range Distribution), LMT (Linear Momentum Transfer); deduced contributions of IFC (InComplete Fusion) and CF (Complete Fusion) σ, discrete states of ER T_{1/2}. Compared with available data.
doi: 10.1140/epja/i2018-12483-8
2013SI26 J.Phys.Soc.Jpn. 82, 114201 (2013) D.Singh, M.A.Ansari, R.Ali, N.P.M.Sathik, B.S.Tomar, M.Ismail Reaction Mechanism in ^{16}O Ion Interaction with Light Nuclei ^{45}Sc, ^{74}Ge and Mass-Asymmetry Effect on Incomplete Fusion Dynamics NUCLEAR REACTIONS ^{45}Sc(^{16}O, 4np2α)^{48}Cr, ^{74}Ge(^{16}O, 4npα)^{81}Rb, ^{74}Ge(^{16}O, 5np2α)^{76}Br, E<120 MeV; measured reaction products, Eγ, Iγ; deduced σ. Comparison with statistical model calculations.
doi: 10.7566/JPSJ.82.114201
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 ^{169}Tm(^{16}O, X)^{177}Re/^{178}Re/^{179}Re/^{180}Os/^{181}Os/^{182}Os/^{180}Ir/^{181}Ir/^{182}Ir, 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
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 ^{169}Tm(^{12}C, X)^{171}Lu/^{173}Ta/^{174}Ta/^{175}Ta/^{176}W/^{176}Re/^{177}Re/^{178}Re/^{180}Ir/^{180}Os/, 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 ^{169}Tm(^{16}O, X) reaction.
doi: 10.1103/PhysRevC.80.064603
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 ^{169}Tm(^{16}O, 3n), (^{16}O, 2nα), (^{16}O, n2α), (^{16}O, 4np2α), (^{16}O, np3α), E=5.6 MeV/nucleon; measured (particle)γ-coin, spin distributions. ^{177,178,179}Re, ^{180,181,182}Os, ^{180,181,182}Ir; measured yield ratios.
doi: 10.1103/PhysRevC.78.017602
1999AN02 Ann.Nucl.Energy 26, 553 (1999) M.A.Ansari, R.K.Y.Singh, R.P.Gautam, S.Kailas Fast Neutron Radiative Capture Cross-Sections in Fission Product Isotopes of Neodymium NUCLEAR REACTIONS ^{148,150}Nd(n, γ), E=0.46-3.44 MeV; measured σ.
doi: 10.1016/S0306-4549(98)00021-8
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 ^{103}Rh(α, n), (α, 2n), (α, 3n), E=13.59-39.88 MeV; measured σ(E). Geometry dependent hybrid model.
doi: 10.1142/S0218301396000165
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 ^{209}Bi(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
1988SI11 Can.J.Phys. 66, 330 (1988) R.K.Y.Singh, M.A.Ansari, R.P.Gautam, I.A.Rizvi, S.Kailas Radiative Capture of Fast Neutrons in ^{160}Gd NUCLEAR REACTIONS ^{160}Gd(n, γ), E=0.46-3.05 MeV; measured Eγ, Iγ, σ following capture.
doi: 10.1139/p88-052
1984AN07 Ann.Nucl.Energy 11, 173 (1984) M.A.Ansari, R.K.Y.Singh, M.L.Sehgal, V.K.Mittal, D.K.Avasthi, I.M.Govil Radiative Capture Cross-Sections of Isotopes of Gd, Sm and V between 1 and 3 MeV NUCLEAR REACTIONS ^{160}Gd, ^{154}Sm, ^{51}V(n, γ), E=1-3 MeV; measured capture σ(E) relative to ^{127}I(n, γ) reaction σ. Statistical model analysis.
doi: 10.1016/0306-4549(84)90082-3
1984AN19 Ann.Nucl.Energy 11, 607 (1984) M.A.Ansari, R.K.Y.Singh, M.L.Sehgal, V.K.Mittal, D.K.Avasthi, I.M.Govil Isomeric Cross-Sections of In and Rh at Neutron Energies of a Few MeV NUCLEAR REACTIONS ^{103}Rh, ^{115}In(n, γ), E=1.07-2.85 MeV; measured capture σ leading to residual isomer production.
doi: 10.1016/0306-4549(84)90029-X
1980AN31 Lett.Nuovo Cim. 29, 350 (1980) Nuclear-Structure Effect on K-Electron Capture to Positron Emission Ratios for Allowed Transitions. RADIOACTIVITY ^{11}C, ^{13}N, ^{15}O, ^{18}F, ^{19}Ne, ^{22}Na, ^{30}P, ^{58}Co, ^{65}Zn, ^{68}Ga, ^{91}Mo, ^{120}Sb, ^{134}La, ^{140}Pr, ^{141}Nd, ^{143}Sm, ^{155}Dy; calculated structure effect corrections to EC/β^{+} branching. Semiempirical neutron excess dependence, allowed transitions.
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