NSR Query Results

Output year order : Descending
Format : Normal

NSR database version of May 10, 2024.

Search: Author = N.Cakmak

Found 16 matches.

Back to query form

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 ^{210,211,212,213,214,215}Pb, ^{210,211,212,213,214,215}Bi(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, T_1/2. 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, T_1/2, β-delayed neutron emission probabilities, phase space. Comparison with available data.

doi: 10.1088/1402-4896/ac13e4
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, 130}Te isotopes

NUCLEAR STRUCTURE ^{124,126,128,130}Te; 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, T_1/2, 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
Citations: PlumX Metrics

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
Citations: PlumX Metrics

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
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, ^{104,106,108,110,112}Rh, ^108,110,114Ag, ^{116,118,120,122,128}In(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, ^{194,196,200,204,210,212,214}Pb; 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 ^{112,114,116,118,120,122,124}Sn; 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

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
Citations: PlumX Metrics