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NSR database version of April 27, 2024.

Search: Author = I.E.Assimakis

Found 7 matches.

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2021BO08      Nucl.Phys. A1009, 122158 (2021)

D.Bonatsos, I.E.Assimakis, A.Martinou, S.Sarantopoulou, S.K.Peroulis, N.Minkov

Energy differences of ground state and γ₁ands as a hallmark of collective behavior

doi: 10.1016/j.nuclphysa.2021.122158
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2021MA25      Eur.Phys.J. A 57, 84 (2021)

A.Martinou, D.Bonatsos, T.J.Mertzimekis, K.E.Karakatsanis, I.E.Assimakis, S.K.Peroulis, S.Sarantopoulou, N.Minkov

The islands of shape coexistence within the Elliott and the proxy-SU(3) Models

NUCLEAR STRUCTURE N=120-190; analyzed available data; deduced nucleon number systematics.

doi: 10.1140/epja/s10050-021-00396-w
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2021MA26      Eur.Phys.J. A 57, 83 (2021)

A.Martinou, D.Bonatsos, K.E.Karakatsanis, S.Sarantopoulou, I.E.Assimakis, S.K.Peroulis, N.Minkov

Why nuclear forces favor the highest weight irreducible representations of the fermionic SU(3) symmetry

NUCLEAR STRUCTURE ²⁰⁸Pb; analyzed available data; deduced prolate to oblate shape transitions.

doi: 10.1140/epja/s10050-021-00395-x
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2020BO16      Eur.Phys.J. Special Topics 229, 2367 (2020)

D.Bonatsos, A.Martinou, S.Sarantopoulou, I.E.Assimakis, S.Peroulis, N.Minkov

Parameter-free predictions for the collective deformation variables b and γ within the pseudo-SU(3) scheme

NUCLEAR STRUCTURE ^{142,144,146,148,150,152,154,156,158,160,162,164,166,168,170,172,174,176,178,180}Ce, ^{146,148,150,152,154,156,158,160,162,164,166,168,170,172,174,176,178,180,182,184}Sm, ^{148,150,152,154,156,158,160,162,164,166,168,170,172,174,176,178,180,182,184,186}Dy, ^{154,156,158,160,162,164,166,168,170,172,174,176,178,180,182,184,186,188,190,192,194}Yb, ^{158,160,162,164,166,168,170,172,174,176,178,180,182,184,186,188,190,192,194}W, ^{162,164,166,168,170,172,174,176,178,180,182,184,186,188,190,192,194,196,198,200,202}Pt; calculated distribution of valence protons and valence neutrons, weight of irreducible representations, collective deformation parameters.

doi: 10.1140/epjst/e2020-000034-3
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2020MA49      Eur.Phys.J. A 56, 239 (2020)

A.Martinou, D.Bonatsos, N.Minkov, I.E.Assimakis, S.K.Peroulis, S.Sarantopoulou, J.Cseh

Proxy-SU(3) symmetry in the shell model basis

doi: 10.1140/epja/s10050-020-00239-0
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2017BO11      Phys.Rev. C 95, 064325 (2017)

D.Bonatsos, I.E.Assimakis, N.Minkov, A.Martinou, R.B.Cakirli, R.F.Casten, K.Blaum

Proxy-SU(3) symmetry in heavy deformed nuclei

doi: 10.1103/PhysRevC.95.064325
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2017BO12      Phys.Rev. C 95, 064326 (2017)

D.Bonatsos, I.E.Assimakis, N.Minkov, A.Martinou, S.Sarantopoulou, R.B.Cakirli, R.F.Casten, K.Blaum

Analytic predictions for nuclear shapes, prolate dominance, and the prolate-oblate shape transition in the proxy-SU(3) model

NUCLEAR STRUCTURE ^{112,114,116,118,120,122,124,126,128,130,144,146,148,150,152,154,156,158,160,162,164,166,168,170,172,174,176}Ba, ^{114,116,118,120,122,124,126,128,130,132,134,146,148,150,152,154,156,158,160,162,164,166,168,170,172,174,176,178}Ce, ^{116,118,120,122,124,126,128,130,132,134,136,148,150,152,154,156,158,160,162,164,166,168,170,172,174,176,178,180}Nd, ^{118,120,122,124,126,128,130,132,134,136,138,152,154,156,158,160,162,164,166,168,170,172,174,176,178,180,182}Sm, ^{120,122,124,126,128,130,132,134,136,138,140,154,156,158,160,162,164,166,168,170,172,174,176,178,180,182,184}Gd, ^{122,124,126,128,130,132,134,136,138,140,142,156,158,160,162,164,166,168,170,172,174,176,178,180,182,184,186}Dy, ^{124,126,128,130,132,134,136,138,140,142,146,158,160,162,164,166,168,170,172,174,176,178,180,182,184,186,188}Er, ^{126,128,130,132,134,136,138,140,142,146,148,160,162,164,166,168,170,172,174,176,178,180,182,184,186,188,190}Yb, ^{128,130,132,134,136,138,140,142,146,148,150,162,164,166,168,170,172,174,176,178,180,182,184,186,188,190,192}Hf, ^{130,132,134,136,138,140,142,146,148,150,152,166,168,170,172,174,176,178,180,182,184,186,188,190,192,194}W, ^{132,134,136,138,140,142,146,148,150,152,154,168,170,172,174,176,178,180,182,184,186,188,190,192,194,196}Os, ^{134,136,138,140,142,146,148,150,152,154,156,178,180,182,184,186,188,190,192,194,196,198}Pt; calculated β and γ deformations using a new approximate analytic parameter-free proxy-SU(3) model. Comparison with empirical results.

doi: 10.1103/PhysRevC.95.064326
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