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Dive into the research topics where O. Yilmaz is active.

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Featured researches published by O. Yilmaz.


Physical Review C | 2005

Quantum statistical effects on fusion dynamics of heavy ions

S. Ayik; Bulent Yilmaz; A. Gokalp; O. Yilmaz; N. Takigawa

In order to describe the fusion of two very heavy nuclei at near barrier energies, a generalized Langevin approach is proposed, which incorporates the quantum statistical fluctuations in accordance with the fluctuation and dissipation theorem. It is illustrated that the quantum statistical effects introduce an enhancement of the formation of compound nucleus, though the quantum enhancement is somewhat less pronounced as indicated in the previous calculations.


Physical Review D | 2001

The Coupling constant g(rho sigma gamma) as derived from QCD sum rules

A. Gokalp; O. Yilmaz

We employ QCD sum rules to calculate the coupling constant g


Physical Review C | 1998

Collisional Damping of Nuclear Collective Vibrations in a Non-Markovian Transport Approach ∗

S. Ayik; O. Yilmaz; A. Gokalp; P. Schuck

_{\rho\sigma\gamma}


Nuovo Cimento Della Societa Italiana Di Fisica A-nuclei Particles and Fields | 1992

Properties of Bc-meson in QCD sum rules

T. M. Aliev; O. Yilmaz

by studying the three point


Physics Letters B | 2001

The decay ρ0→π0π0γ and the role of σ-meson

A. Gokalp; O. Yilmaz

{\rho\sigma\gamma}


Physical Review C | 2014

Nucleon exchange in heavy-ion collisions within a stochastic mean-field approach

B. Yilmaz; S. Ayik; Denis Lacroix; O. Yilmaz

-correlation function. Our results is consistent with the value of this coupling constant obtained using vector meson dominance of the electromagnetic current and the experimental


Physics Letters B | 2000

The role of σ-meson in ω→ππγ decays and the coupling constant gωσγ

A. Gokalp; O. Yilmaz

\rho^0


Physics Letters B | 2000

On the collisional damping of giant dipole resonance

O. Yilmaz; A. Gokalp; Serbulent Yildirim; S. Ayik

-photoproduction data.


Physics Letters B | 2005

An analysis of f0–σ mixing in light cone QCD sum rules

A. Gokalp; Yasemin Sarac; O. Yilmaz

A detailed derivation of the collisional widths of collective vibrations is presented in both quantal and semiclassical frameworks by considering the linearized limits of the extended time-dependent Hartree-Fock and the Boltzmann-Uehling-Uhlenbeck model with a non-Markovian binary collision term. Damping widths of giant dipole and giant quadrupole excitations are calculated by employing an effective Skyrme force, and the results are compared with giant dipole resonance measurements in lead and tin nuclei at finite temperature. {copyright} {ital 1998} {ital The American Physical Society}


Physical Review C | 2017

Multinucleon transfer in central collisions of U 238 + U 238

S. Ayik; B. Yilmaz; O. Yilmaz; A. S. Umar; G. Turan

SummaryWe have studied the masses of the scalar, pseudoscalar and vector states of Bc-meson and their decay constants in the framework of the QCD sum rules.

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A. Gokalp

Middle East Technical University

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S. Ayik

Tennessee Technological University

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Yasemin Sarac

Middle East Technical University

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Ayse Kucukarslan

Middle East Technical University

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B. Yilmaz

Middle East Technical University

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Saime Solmaz

Middle East Technical University

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C. S. Korkmaz

Middle East Technical University

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F. Ozturk

Middle East Technical University

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T. Aliev

Middle East Technical University

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