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NSR database version of May 24, 2024.

Search: Author = N.Cakmak

Found 16 matches.

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2024CA04      Eur.Phys.J. A 60, (2024)

N.Cakmak, J.-U.Nabi, A.Mehmood, A.Ullah, R.Tahir

Allowed and forbidden β-decay log ft values of neutron-rich Pb and Bi isotopes

RADIOACTIVITY 210,211,212,213,214,215Pb, 210,211,212,213,214,215Bi(β-); calculated β-decay log ft values using the proton-neutron quasiparticle random phase approximation (pn-QRPA) model. Comparison with experimental data.

doi: 10.1140/epja/s10050-024-01298-3
Citations: PlumX Metrics


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


2021AY02      Int.J.Mod.Phys. E30, 2150011 (2021)

H.A.Aygor, N.Cakmak, E.Almaz, S.Unlu

A comparison of calculated β-decay half-lives with photonuclear reaction data and other experiments

RADIOACTIVITY 47Ca, 43K(β-), 85Sr(EC) [from 48,44Ca(γ, n), 46Ca, 84Sr(n, γ), E not given]; measured decay products, Eγ, Iγ; deduced γ-ray energies and intensities, T1/2. Comparison with theoretical calculations.

doi: 10.1142/S0218301321500117
Citations: PlumX Metrics


2021CA24      Nucl.Phys. A1015, 122287 (2021)

S.Cakmak, N.Cakmak

Beta decay logft values for zinc isotopes by using pn-QRPA

RADIOACTIVITY 58,60,62Zn, 62,66,68Ga, 66,68Cu(EC), 74,76,78,80Zn(β-); calculated log ft. Comparison with available data.

doi: 10.1016/j.nuclphysa.2021.122287
Citations: PlumX Metrics


2021NA29      Phys.Scr. 96, 115303 (2021)

J.-U.Nabi, N.Cakmak, A.Ullah, A.U.Khan

β-decay of N = 126 isotones for the r-process nucleosynthesis

RADIOACTIVITY 190Gd, 191Tb, 192Dy, 193Ho, 194Er, 195Tm, 196Yb, 197Lu, 198Hf, 199Ta, 200W, 201Re, 202Os, 203Ir, 204Pt, 205Au, 206Hg(β-), (β-n); calculated decay rates, T1/2, β-delayed neutron emission probabilities, phase space. Comparison with available data.

doi: 10.1088/1402-4896/ac13e4
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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
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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
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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
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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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2016NA03      Eur.Phys.J. A 52, 5 (2016)

J.-U.Nabi, N.Cakmak, Z.Iftikhar

First-forbidden β-decay rates, energy rates of β-delayed neutrons and probability of β-delayed neutron emissions for neutron-rich nickel isotopes

RADIOACTIVITY 72,74,76,78Ni(β-); calculated allowed GT and unique first-forbidden transition strengths, β--decay rates using pn-QRPA model for deformed and spherical cases of 72Ni.

doi: 10.1140/epja/i2016-16005-6
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2015UN01      Nucl.Phys. A939, 13 (2015)

S.Unlu, N.Cakmak

The effect of restoration of broken SU(4) symmetry on 2νβ-β- decay rates

RADIOACTIVITY 76Ge, 82Se, 96Zr, 100Mo(2β); calculated 2ν2β- decay amplitude, decay rate; deduced γ+ and γ- strength parameters of particle-hole interaction using schematic model and single quasi-particle estimates with SU(4) symmetry restoration.

doi: 10.1016/j.nuclphysa.2015.03.008
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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
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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
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2007SA54      Pramana 69, 369 (2007)

D.I.Salamov, S.Unlu, N.Cakmak

Beta-transition properties for neutron-rich Sn and Te isotopes by Pyatov method

NUCLEAR STRUCTURE 128,130,132Sn, 132,134,136Te(β-); calculated ft values for GT transitions. 128,130,132Sb, 132,134,136I calculated level energies for low lying 1+ states. Compared results to available data.

doi: 10.1007/s12043-007-0138-x
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