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NSR database version of April 26, 2024.

Search: Author = M.S.Asnain

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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
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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
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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
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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
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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
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD6422.

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 T_1/2. Comparison to other experimental data.

doi: 10.1103/PhysRevC.105.054607
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD6434. Data from this article have been entered in the XUNDL database. For more information, click here.

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
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD6406.

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
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD6402.

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
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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
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