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NSR database version of May 22, 2024.

Search: Author = C.Selam

Found 11 matches.

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2023UN01      Pramana 97, 121 (2023)

S.Unlu, H.Bircan, N.Cakmak, C.Selam

A theoretical description of the first-forbidden β-decay transitions within Pyatov's restoration method

NUCLEAR STRUCTURE 62Ni, 90Zr, 118,120,124Sn; calculated charge-exchange spin-dipole β- strength distributions using Pyatov's restoration method within the framework of proton–neutron quasiparticle random phase approximation (pn-QRPA).

doi: 10.1007/s12043-023-02601-5
Citations: PlumX Metrics


2018CA02      Pramana 90, 15 (2018)

N.Cakmak, S.Cakmak, C.Selam, S.Unlu

Dipole and spin-dipole strength distributions in 124, 126, 128, 130Te isotopes

NUCLEAR STRUCTURE 124,126,128,130Te; calculated B(E1), energy-weighted strength distributions for electric-dipole and spin-dipole transitions, σ for E1 resonance using translational and Galilean invariant models.

doi: 10.1007/s12043-017-1503-z
Citations: PlumX Metrics


2018UN01      Nucl.Phys. A970, 379 (2018)

S.Unlu, N.Cakmak, C.Selam

First-forbidden contributions to 2νβ-β- decay amplitude

RADIOACTIVITY 46,48Ca, 70Zn, 76Ge, 80,82Se, 86Kr, 94Zr, 96Zr, 98,100Mo, 104Ru, 110Pd, 114,116Cd, 122,124Sn, 122,124Sn, 128,130Te, 136Xe(2β-); calculated 2β-decay allowed and forbidden contributions to 2β2ν-decay amplitudes for several selected 2β-decays. 94Nb, 122,124Sn; calculated spin-dipole resonance energy, log ft, strength parameters. Compared with published data and σ.

doi: 10.1016/j.nuclphysa.2018.01.002
Citations: PlumX Metrics


2017NA01      Nucl.Phys. A957, 1 (2017)

J.-U.Nabi, N.Cakmak, M.Majid, C.Selam

Unique first-forbidden β-decay transitions in odd-odd and even-even heavy nuclei

RADIOACTIVITY 82,84,86Br, 84,86,88Rb, 90,92Sr, 90,92,94Y, 102Rh, 122Sb, 136I, 140Ba, 142Pr, 198,204Au, 204Tl(β-);72As, 84Rb, 88Kr, 102Rh, 120,124,126I, 122Sb, 132La, 198Tl(β+), (EC); calculated first-forbidden β-decay Gamow-Teller transitions ft, strength distribution and unique first-forbidden transitions for selected nuclei using pn-QRPA. Compared to data.

doi: 10.1016/j.nuclphysa.2016.07.003
Citations: PlumX Metrics


2017UN01      Nucl.Phys. A957, 491 (2017)

S.Unlu, N.Cakmak, C.Selam

The 2nβ-β- decay rates within Pyatov's restoration method

RADIOACTIVITY 70Zn, 80Se, 86Kr, 94Zr, 104Ru, 110Pd, 114Cd, 124Sn(2β-); calculated decay rates, T1/2, B(GT) using pnQRPA; compared with calculations using other methods. 70Ga, 80Br, 86Rb, 94Nb, 104Rh, 110Ag, 114In, 124Sb(β-), (β+); calculated matrix elements of β-decay Gamow-Teller transitions, ft. Compared with available data.

doi: 10.1016/j.nuclphysa.2016.10.001
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2013CA13      Phys.Atomic Nuclei 76, 549 (2013)

A.E.Calik, M.Gerceklioglu, C.Selam

The Influence of Pairing Correlations on the Isospin Symmetry Breaking Corrections of Superallowed Fermi Beta Decays

RADIOACTIVITY 26Al, 34Cl, 38K, 42Sc, 46V, 50Mn, 54Co, 62Ga, 74Rb(β+); calculated decay parameters, log ft. QRPA framework, Pyatov's method, comparison with available data.

doi: 10.1134/S1063778813040030
Citations: PlumX Metrics


2012CA10      Phys.Atomic Nuclei 75, 8 (2012)

N.Cakmak, S.Unlu, C.Selam

Low-lying Gamow-Teller transitions in spherical nuclei

RADIOACTIVITY 104Rh, 106,108,110Ag, 112,114In, 118,120Sb, 128,130Cs(β+), 98,100Nb, 100,102Tc, 104,106,108,110,112Rh, 108,110,114Ag, 116,118,120,122,128In(β-); calculated the low-lying Gamow-Teller transitions, β-decay log ft. Pyatov method.

doi: 10.1134/S106377881201005X
Citations: PlumX Metrics


2010CA07      Pramana 74, 541 (2010)

N.Cakmak, K.Manisa, S.Unlu, C.Selam

The investigation of 0+ <-> 0- β decay in some spherical nuclei

NUCLEAR STRUCTURE 90Kr, 92Rb, 96,98Y, 120Xe, 142,144Ce, 144Pr, 206Hg, 206Tl, 194,196,200,204,210,212,214Pb; calculated relativistic reduced quasiparticle matrix elements, log ft, microscopic structure of 0+ - 0+ first-forbidden β-decay. Proton-neutron QRPA, Woods-Saxon potential basis.

doi: 10.1007/s12043-010-0048-1
Citations: PlumX Metrics


2010CA24      Pramana 75, 649 (2010)

N.Cakmak, S.Unlu, C.Selam

Gamow-Teller 1+ states in 112-124Sb isotopes

NUCLEAR STRUCTURE 112,114,116,118,120,122,124Sn; calculated Gamow-Teller resonance energies, β transition strengths. Comparison with experimental data and other calculations.

NUCLEAR REACTIONS 112Sn(3He, t)112Sb, 114Sn(3He, t)114Sb, 116Sn(3He, t)116Sb, 118Sn(3He, t)118Sb, 120Sn(3He, t)120Sb, 122Sn(3He, t)122Sb, 124Sn(3He, t)124Sb, E=200 MeV; calculated σ(θ) for excitation of Gamow-Teller resonance states.


2008UN01      Pramana 71, 521 (2008)

S.Unlu, T.Babacan, N.Cakmak, C.Selam

The investigation of the 2νββ decay by Pyatov method within quasiparticle random phase approximation formalism

NUCLEAR STRUCTURE 48Ca, 76Ge, 82Se, 96Zr, 100Mo, 116Cd, 128Te, 130Te, 136Xe; calculated 2νββ matrix elements and half-lives within the QRPA formalism.

doi: 10.1007/s12043-008-0128-7
Citations: PlumX Metrics


2003SE02      Turk.J.Phys. 27, 187 (2003)

C.Selam, A.Kucukbursa, H.Bircan, H.A.Aygor, T.Babacan, I.Maras, A.Kokce

Nuclear Matrix Elements of Double Beta Decay in Deformed Nuclei

RADIOACTIVITY 76Ge, 82Se, 96Zr, 100Mo, 128,130Te, 150Nd(2β-); calculated matrix elements for 2ν-accompanied 2β decay; deduced deformation effects. Quasiparticle RPA approach.


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