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NSR database version of April 29, 2024.

Search: Author = S.A.Changizi

Found 4 matches.

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2016CH17      Nucl.Phys. A951, 97 (2016)

S.A.Changizi, C.Qi

Odd-even staggering in neutron drip line nuclei

NUCLEAR STRUCTURE ^{18,19,20,21,22,23,24,25,26,27,28}O, ^{49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109}Ni, ^{100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143,144,145,146,147,148,149,150,151,152,153,154,155,156,157,158,159,160,161,162,163,164,165,166,167,168,169,170,171,172,173,174,175,176,177,178}Sn; calculated quasi-particle energies in different orbitals, Q-value, neutron separation energy, even-odd pairing effects using HFB with density-dependent forces.

doi: 10.1016/j.nuclphysa.2016.03.056
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2016WU01      Phys.Rev. C 93, 034334 (2016)

Z.Wu, S.A.Changizi, C.Qi

Empirical residual neutron-proton interaction in odd-odd nuclei

ATOMIC MASSES A=10-260; analyzed np interactions from experimental binding energies for odd-A, even-even, odd-odd, and for all known (except N=Z) nuclei; calculated δ_np interaction using mac-mic mass formula, shell model mass formulas with parameters taken from literature, and the HFB mass formula. Z=9-131, N=7-219; deduced δ_np interaction for all the predicted 2564 odd-odd nuclei from mass formulas. Z=5-103, N=5-153; deduced δ_np interaction for all the known 486 odd-odd nuclei from experimental binding energies and nuclear mass formula calculations. Numerical results for individual nuclei are given in two supplementary files.

doi: 10.1103/PhysRevC.93.034334
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2015CH09      Phys.Rev. C 91, 024305 (2015)

S.A.Changizi, C.Qi

Density dependence of the pairing interaction and pairing correlation in unstable nuclei

NUCLEAR STRUCTURE Z=4-104, N=4-160; calculated mean neutron pairing gaps, s(2n), β₂, neutron drip lines; deduced mean value of the residual proton-neutron interaction δ_np. Experimental pairing gaps compared with four different odd-even staggering (OES) formulas.^82,84,86,88Ni; calculated chemical potentials, pairing gaps, and occupancies of 2s_1/2 neutron orbital. Hartree-Fock-Bogoliubov (HFB) calculations with the Skyrme force and volume, surface, and mixed pairing forces using HFBTHO and HFBRAD codes.

doi: 10.1103/PhysRevC.91.024305
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2015CH32      Nucl.Phys. A940, 210 (2015)

S.A.Changizi, C.Qi, R.Wyss

Empirical pairing gaps, shell effects, and di-neutron spatial correlation in neutron-rich nuclei

NUCLEAR STRUCTURE Z=1-100; calculated even-N neutron pairing gaps using single j-shell and multi-shell seniority model and using HFB with Skyrme force. Compared with three-point formula with empirical pairing gaps.

doi: 10.1016/j.nuclphysa.2015.04.010
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