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NSR database version of May 10, 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, 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

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, ^{104,106,108,110,112}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

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.