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NSR database version of April 29, 2024.

Search: Author = D.Atta

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2019SI16      Nucl.Phys. A986, 98 (2019)

V.Singh, D.Atta, M.A.Khan, D.N.Basu

Astrophysical S-factor for deep sub-barrier fusion reactions of light nuclei

NUCLEAR REACTIONS ^2,3H(p, x), E=3-1000 keV;³H, ³He(d, x), E=30-1000 keV;^6,7Li(p, x), E=20-1000 keV; calculated fusion σ using selective resonant tunneling model; compared with published data; deduced fusion astrophysical S-factor.

doi: 10.1016/j.nuclphysa.2019.03.010
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2018MU08      Phys.Rev. C 97, 065804 (2018)

S.Mukhopadhyay, J.Lahiri, D.Atta, K.Imam, D.N.Basu

Gravitational waves from isolated neutron stars: Mass dependence of r-mode instability

doi: 10.1103/PhysRevC.97.065804
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2015BH07      Phys.Rev. C 91, 044611 (2015)

D.Bhowmick, D.Atta, D.N.Basu, A.Chakrabarti

Yields of neutron-rich nuclei by actinide photofission in the giant dipole resonance region

NUCLEAR REACTIONS ²³⁸U(γ, F), (γ, X), E<29.1 MeV; analyzed photoabsorption and photofission σ(E), mass and charge cross sections for the production of A=80-161, Z=32-63 neutron-rich nuclei in photofission in GDR region; analyzed behavior of symmetric and asymmetric modes of photon-induced fission as function of the average excitation energy of the fissioning nucleus. Relevance to r-process in nucleosynthesis. ²³²Th, ^{233,234,235,236,238}U, ²³⁷Np, ²³⁹Pu(γ, F), (γ, X); analyzed experimental data in the GDR region; deduced peak cross section, resonance energy, and full width at half maximum.

doi: 10.1103/PhysRevC.91.044611
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2014AT02      Phys.Rev. C 90, 035802 (2014)

D.Atta, D.N.Basu

Stability of β-equilibrated dense matter and core-crust transition in neutron stars

doi: 10.1103/PhysRevC.90.035802
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2014AT04      Phys.Rev. C 90, 064622 (2014)

D.Atta, D.N.Basu

Fusion cross sections for reactions involving medium and heavy nucleus-nucleus systems

NUCLEAR REACTIONS ^144,148,154Sm(¹⁶O, X), ¹⁴⁴Sm(¹⁷O, X), ^90,96Zr, ¹¹⁰Pd(³²S, X), (³⁶S, X), ^90,96Zr, ¹²⁴Sn(⁴⁰Ca, X), (⁴⁸Ca, X), E not given; analyzed mean barrier height, width of barrier height distribution, effective radius from measured fusion excitation functions. ²⁴⁴Pu, ²⁴³Am, ^245,248Cm, ²⁴⁹Bk, ²⁴⁹Cf(⁴⁸Ca, X), E=250 MeV; calculated mean barrier height, width of barrier height distribution, effective radius, and capture σ. ¹⁴⁴Sm(¹⁶O, X), E(cm)=55-90 MeV; ^90,96Zr(³⁶S, X), E(cm)=70-90 MeV; ¹²⁴Sn(⁴⁰Ca, X), E(cm)=107-135 MeV; calculated capture σ(E) using diffused-barrier formula assuming the Gaussian shape of the barrier-height distributions and compared with experimental values. ²⁴⁴Pu, ²⁴³Am, ^245,248Cm, ²⁴⁹Bk, ²⁴⁹Cf(⁴⁸Ca, X), E=180-250 MeV; calculated capture σ(E). Relevance to production cross sections of superheavy nuclei.

doi: 10.1103/PhysRevC.90.064622
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