NSR Query Results
Output year order : Descending NSR database version of April 26, 2024. Search: Author = Shubhchintak Found 22 matches. 2024SH11 Few-Body Systems 65, 17 (2024) Shubhchintak, G.Singh, R.Chatterjee, M.Dan Radiative Neutron Capture Rate of 11B(n, γ)12B Reaction from the Coulomb Dissociation of 12B NUCLEAR REACTIONS 11B(n, γ), E(cm)<2.5 MeV; 208Pb(12B, X), E(cm)<10 MeV; calculated σ(E), σ, reaction rates. Comparison with available data.
doi: 10.1007/s00601-024-01888-3
2022SH08 Phys.Rev. C 105, 024605 (2022) Breakup effects in the 16C+p and 16C+d reactions NUCLEAR STRUCTURE 16C; calculated levels, J, π, B(E2). Description of 16C as a three-body structure 14C+n+n in hyperspherical coordinates. Comparison to experimental data. NUCLEAR REACTIONS 1H, 2H(16C, 16C), E=5, 15, 24, 33, 40 MeV/nucleon; calculated elastic and inelastic σ(θ). Continuum discretized coupled channel (CDCC) method. Comparison to experimental data.
doi: 10.1103/PhysRevC.105.024605
2021MA27 Nucl.Phys. A1010, 122194 (2021) Manju, M.Dan, G.Singh, J.Singh, Shubhchintak, R.Chatterjee Exploring the structure of 29Ne NUCLEAR REACTIONS 208Pb(29Ne, X), E=244 MeV/nucleon; calculated several reaction observables to quantify its structural parameters, one-neutron removal σ, σ(θ, E). 28,29Ne; deduced moderate halo.
doi: 10.1016/j.nuclphysa.2021.122194
2021SH06 Eur.Phys.J. A 57, 32 (2021) Cluster transfer reactions with the combined R-matrix and Lagrange-mesh methods, A tribute to Mahir Hussein
doi: 10.1140/epja/s10050-021-00344-8
2019BE40 Int.J.Mod.Phys. E28, 1950109(2019) C.A.Bertulani, L.F.Canto, M.S.Hussein, Shubhchintak, T.V.Nhan Hao The neutron within the deuteron as a surrogate for neutron-induced reactions NUCLEAR REACTIONS 59Co, 58Ni, 63Cu, 103Rh, 135Xe, 149Sm, 157Gd, 159Tb, 232Th, 238U(d, p), E<300 MeV; analyzed available data; deduced (n, γ) σ.
doi: 10.1142/S021830131950109X
2019DA05 Phys.Rev. C 99, 035801 (2019) M.Dan, G.Singh, R.Chatterjee, Shubhchintak Neutron capture rates of 18C NUCLEAR REACTIONS 208Pb(19C, X), E=67 MeV/nucleon; calculated σ(E) of elastic Coulomb breakup using finite-range distorted-wave Born approximation (FRDWBA) theory, and compared with experimental data. 18C(n, γ), E=0-0.8 MeV; calculated capture σ(E) and reaction rate using FRDWBA theory, and compared with a previous rates based on Hauser-Feshbach estimates. Relevance to accurate prediction of nucleosynthesis paths such as the r process.
doi: 10.1103/PhysRevC.99.035801
2019MA19 Eur.Phys.J. A 55, 5 (2019) Manju, J.Singh, Shubhchintak, R.Chatterjee Low-lying dipole strengths for probable p-wave one-neutron halos in the medium mass region NUCLEAR STRUCTURE 31Ne, 34Na, 37Mg; calculated p-wave one-neutron halo nuclei at zero deformation radius, dipole strength distribution vs energy in continuum for low-lying state with and without correction factor using relative energy spectra in Coulomb dissociation of 31Ne, 34Na, 37Mg on 208Pb at 100, 234, 244 MeV/nucleon as a base to calculate dipole strength distribution. FRDWBA theory.
doi: 10.1140/epja/i2019-12679-4
2019SH35 Phys.Rev. C 100, 034611 (2019) Transfer reactions with the Lagrange-mesh method NUCLEAR REACTIONS 16O(d, p)17O, E=25.4, 36 MeV; 12C(7Li, t)16O, E=28, 34 MeV; calculated σ(θ, E) for the (5/2+) g.s. and the first (1/2+) state in 17O, and 0+ g.s. and the first 2+ state in 16O. R-matrix method in distorted wave Born approximation (DWBA) calculations.
doi: 10.1103/PhysRevC.100.034611
2018HA28 Astrophys.J. 862, 62 (2018) M.Hartos, C.A.Bertulani, Shubhchintak, A.M.Mukhamedzhanov, and S.Hou Impact of the 7Be(α, γ)11C Reaction on the Primordial Abundance of 7Li NUCLEAR REACTIONS 7Be(α, γ), E(cm)<3 MeV; calculated σ, reaction rates, S-factor. Comparison with available data.
doi: 10.3847/1538-4357/aac9c1
2018SH06 Phys.Lett. B 778, 30 (2018) Shubhchintak, C.A.Bertulani, T.Aumann Maris polarization in neutron-rich nuclei
doi: 10.1016/j.physletb.2017.12.067
2017MU06 Phys.Rev. C 95, 024616 (2017) A.M.Mukhamedzhanov, Shubhchintak, C.A.Bertulani, T.V.Nhan Hao Internal and external radiative widths in the combined R-matrix and potential-model formalism NUCLEAR REACTIONS 11,12C, 12,14,15N, 16O(p, γ), E not given; calculated radiative widths of E1 transitions and asymptotic normalization coefficients (ANC) for the following proton resonances: 2.365 MeV, 1/2+ in 13N, 2.69 MeV, 1/2+ in 13O, 3.104 MeV, 1/2- and 3.857 MeV, 5/2- in 17F, 1.191 MeV, 2- in 12N, 12.44 MeV, 1- and 13.090 MeV, 1- in 16O, and 6.79 MeV, 3/2+ in 15O using R-matrix formalism and potential model. Comparison with experimental data.
doi: 10.1103/PhysRevC.95.024616
2017MU14 Phys.Rev. C 96, 024623 (2017) A.M.Mukhamedzhanov, Shubhchintak, C.A.Bertulani Subthreshold resonances and resonances in the R-matrix method for binary reactions and in the Trojan horse method NUCLEAR REACTIONS 13C(α, n)16O, E(cm)<1.1 MeV; calculated astrophysical S factor as a function of the α-13C relative kinetic energy using the R-matrix approach for resonances and Trojan horse method (THM) for S factor. Comparison with experimental data. Relevance to neutron generation in low-mass AGB stars.
doi: 10.1103/PhysRevC.96.024623
2017SH27 Phys.Rev. C 96, 024615 (2017) Excited-state one-neutron halo nuclei within a parallel momentum distribution analysis NUCLEAR REACTIONS Pb(10Be, 9Be), (11Be, 10Be), (12B, 11B), (13C, 12C), E=100 MeV/nucleon; calculated full width at half maxima (FWHM) from parallel momentum distributions (PMD) of the core fragment in the Coulomb breakup of projectiles in their different excited states; deduced narrow momentum distribution, indicative of one-neutron halo structures. Quantum mechanical post-form finite-range distorted-wave Born approximation (DWBA) calculations for Coulomb breakup.
doi: 10.1103/PhysRevC.96.024615
2017SH28 Phys.Rev. C 96, 025804 (2017) Shubhchintak, R.Chatterjee, R.Shyam Determination of the 36Mg (n, γ) 37Mg reaction rate from Coulomb dissociation of 37Mg NUCLEAR REACTIONS 208Pb(37Mg, X), E=244 MeV/nucleon; calculated Coulomb dissociation (CD) cross section in the framework of a finite-range distorted-wave Born approximation theory with the inclusion of the projectile deformation effects. 36Mg(n, γ)37Mg, E=0.01-3 MeV; calculated direct capture (DC) σ(E) to the ground state of 37Mg. 37Mg; calculated asymptotic normalization constant (ANC) for the deformed 37Mg wave function. 36Mg(n, γ)37Mg, T=0.05-3 GK; calculated capture rates as a function of temperature and S(n). 36Mg(α, n)39Si, T=0.05-3 GK; compared reaction rates for this reaction using Hauser-Feshbach (HF) method with those for 36Mg(n, γ)37Mg.
doi: 10.1103/PhysRevC.96.025804
2017SI15 Phys.Rev. C 95, 065806 (2017) G.Singh, Shubhchintak, R.Chatterjee Structural effects of 34Na in the 33Na (n, γ) 34Na radiative capture reaction NUCLEAR REACTIONS 33Na(n, γ), E(cm)=0-5 MeV; calculated capture σ(E) as function of deformation parameter β2, valence neutron binding energy, and as function of astrophysical temperatures of T9=0.05 to 10, kinematic factor as function of incident neutron energy, virtual photon number as function of the center-of-mass energy of the two photo-dissociated fragments. Quantum mechanical theory of finite-range distorted-wave Born approximation upgraded to include deformation effects. Comparison with reaction rate for 33Na(α, n)36Al reaction calculated using Hauser-Feshbach (HF) theory and the NON-SMOKER code.
doi: 10.1103/PhysRevC.95.065806
2016MU04 Phys.Rev. C 93, 045805 (2016) A.M.Mukhamedzhanov, Shubhchintak, C.A.Bertulani Primordial α + d → 6Li + γ reaction and second lithium puzzle NUCLEAR REACTIONS 2H(α, γ)6Li, E=0.05-2 MeV; calculated angular distribution of photons at Big Bang energies of 70, 100, 200, and 400 keV using potential model, total cross sections for E1 and E2 transitions, astrophysical S24(E) factors, 6Li/7Li ratio. Comparison with LUNA collaboration data, and other theoretical calculations.
doi: 10.1103/PhysRevC.93.045805
2016SH18 Phys.Rev. C 93, 059802 (2016) Shubhchintak, Neelam, R.Chatterjee Reply to "Comment on `Structure effects in the 15N(n, γ)16N radiative capture reaction from the Coulomb dissociation of 16N" NUCLEAR REACTIONS 15N(n, γ)16N, E(cm)<0.5 MeV; analyzed branching ratio and spectroscopic factors to various states in 16N, total nonresonant cross section compared with experimental data.
doi: 10.1103/PhysRevC.93.059802
2016SI21 Phys.Rev. C 94, 024606 (2016) G.Singh, Shubhchintak, R.Chatterjee Elastic Coulomb breakup of 34Na NUCLEAR REACTIONS 208Pb(34Na, 34Na), (34Na, 33Na), E=100 MeV/nucleon; calculated triple differential cross section for the breakup process, total cross-section, parallel momentum distribution, angular distributions, average momenta, energy-angular distributions, total one-neutron removal cross section. 34Na; calculated relative energy spectra due to Coulomb dissociation; analyzed ground state configurations in the context of 'island of inversion', neutron halo structure, configuration. Quantum mechanical Coulomb breakup theory with finite range distorted wave Born approximation (DWBA). Relevance to production of seed nuclei in the alternate r-process paths in nucleosynthesis.
doi: 10.1103/PhysRevC.94.024606
2015NE14 Phys.Rev. C 92, 044615 (2015) Neelam, Shubhchintak, R.Chatterjee Structure effects in the 15N (n, γ) 16N radiative capture reaction from the Coulomb dissociation of 16N NUCLEAR REACTIONS Pb(16N, X), E=100 MeV/nucleon; calculated relative energy spectra in Coulomb breakup of 16N on Pb, total one-neutron removal sections for four low-lying states in 16N; deduced photodisintegration cross sections for 15N(γ, n) reaction four low-lying (2-, 0-, 3-, 1-) states of 16N using quantum mechanical Coulomb breakup theory under the post-form finite range distorted wave Born approximation (FRDWBA). 15N(n, γ), E(cm)<0.5 MeV; deduced σ(E) from principle of detailed balance, astrophysical nuclear reaction rates for T9=0.05-3. 16N; calculated spectroscopic factors for four low-lying levels. Comparison of astrophysical reaction rates with other theoretical results and NACRE database.
doi: 10.1103/PhysRevC.92.044615
2015SH20 Nucl.Phys. A939, 101 (2015) Shubhchintak, Neelam, R.Chatterjee, R.Shyam, K.Tsushima Coulomb breakup of 37Mg and its ground state structure NUCLEAR REACTIONS Pb(37Mg, x), E=244 MeV/nucleon; calculated pure Coulomb one-neutron removal σ, σ(E), σ(E, θ) vs neutron separation energy and vs deformation, parallel momentum distribution using FR DWBA.
doi: 10.1016/j.nuclphysa.2015.03.011
2014SH02 Nucl.Phys. A922, 99 (2014) Deformation effects in the Coulomb breakup of 31Ne NUCLEAR REACTIONS Pb(31Ne, X), E=234 MeV/nucleon; calculated, analyzed Coulomb breakup σ, σ(θ) data vs deformation and 1n Q using. Compared to data.
doi: 10.1016/j.nuclphysa.2013.11.010
2014SH16 Phys.Rev. C 90, 017602 (2014) Breakdown of the N=8 magic number near the neutron drip line from parallel momentum distribution analyses NUCLEAR REACTIONS Au(10Be, X), E=100 MeV/nucleon; analyzed FWHM of parallel momentum distribution (PMD) using postform finite range distorted wave Born approximation (FRDWBA) and the adiabatic model (AD). Discussed breakdown of N=8 magic number away from the valley of stability.
doi: 10.1103/PhysRevC.90.017602
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