A. Kuşoğlu
A5074790293- Nuclear physics research studies
- Nuclear Physics and Applications
- Astronomical and nuclear sciences
- Atomic and Molecular Physics
- Nuclear reactor physics and engineering
- Quantum Chromodynamics and Particle Interactions
- Advanced Chemical Physics Studies
- Advanced NMR Techniques and Applications
- Radiation Detection and Scintillator Technologies
- X-ray Spectroscopy and Fluorescence Analysis
- Rare-earth and actinide compounds
- Atomic and Subatomic Physics Research
- Gamma-ray bursts and supernovae
- Particle Detector Development and Performance
- Radiation Therapy and Dosimetry
- Dark Matter and Cosmic Phenomena
- Cold Fusion and Nuclear Reactions
- Astro and Planetary Science
- Radioactive Decay and Measurement Techniques
- Particle physics theoretical and experimental studies
- Neutrino Physics Research
- Quantum, superfluid, helium dynamics
- Radiopharmaceutical Chemistry and Applications
- Radioactive contamination and transfer
- Magnetic confinement fusion research
Istanbul University
2014-2024
Extreme Light Infrastructure - Nuclear Physics
2017-2024
Horia Hulubei National Institute for R and D in Physics and Nuclear Engineering
2021-2024
Pandora (United States)
2022
Campus France
2015-2021
Institut National de Physique Nucléaire et de Physique des Particules
2015-2020
Université Paris-Sud
2015-2020
Centre National de la Recherche Scientifique
2017-2020
Université Paris-Saclay
2017-2020
Background: Neutron-rich nuclei with protons in the fp shell show an onset of collectivity around N=40. Spectroscopic information is required to understand underlying mechanism and determine relevant terms nucleon-nucleon interaction that are responsible for evolution structure this mass region. Methods: We report on lifetime measurement first 2+ 4+ states 70,72,74Zn 6+ state 72Zn using recoil distance Doppler shift method. The experiment was carried out at INFN Laboratory Legnaro AGATA...
We report on the observation of a new isomeric state in 68Ni. suggest that newly observed at 168(1) keV above first 2+ is π(2p−2h) 0+ across major Z=28 shell gap. Comparison with theoretical calculations indicates pure proton intruder configuration and deduced low-lying structure this key nucleus suggests possible shape coexistence scenario involving highly deformed state.Received 5 December 2011DOI:https://doi.org/10.1103/PhysRevC.85.031301©2012 American Physical Society
We have extracted the nuclear level density of ${}^{128}$Te from a $(\mathrm{p},\mathrm{p} '\gamma)$ scattering experiment using large-volume \labr\ and \cebr\ detectors ELI-NP at 9~MV Tandem facilities IFIN-HH. The decay data were normalised photonuclear data, resulting in densities without intrinsic model dependencies constant temperature or Fermi gas models. measured follows closely between expectations these two models, but we observe clear divergence microscopic based on Skyrme force.
The high-energy \(\gamma \) rays from the Giant Dipole Resonance (GDR) decay of \(^{56,60,62}\mathrm {Ni}^{*}\) nuclei at finite temperature between approximately 1.5 and 2 MeV, produced in \(^{32,34,36}\mathrm {S}+{^{24,26}\mathrm {Mg}}\) reactions bombarding energies 78 90 were measured. experiment was then analyzed with a statistical model using Monte Carlo approach. Some evidence is found within analysis on presence an extra yield tail which may be attributed to Pygmy excited nucleus....
The ELIGANT instrumentation at ELI-NP is one of the main sets instruments designed and constructed over last decade for photonuclear physics around above neutron separation threshold developed \(\gamma \)-ray beams. goals these setups include photo-neutron cross-sections evaluation strength in giant dipole resonance pygmy regions. In this contribution, we will give an overview current status ELI-NP, Gamma Above Neutron Threshold programme general, scientific resonances, functions both within...
The shape of an atomic nucleus is one its most defining characteristics, and the evolution nuclear shapes with nucleon number gives insights into symmetries underlying interactions this many-body quantum system. osmium-platinum region shows a rich set prolate, oblate, axially asymmetric, co-existing shapes. This challenging $\ensuremath{\gamma}$-ray-spectroscopy experiment develops yrast level scheme for ${}^{196}$Os argues that nearly perfectly $\ensuremath{\gamma}$-unstable.
The level structure of the neutron-rich 69Cu,71Cu, and 73Cu isotopes has been investigated by means multinucleon transfer reactions. experiment was performed at Laboratori Nazionali di Legnaro using AGATA Demonstrator array coupled to PRISMA magnetic spectrometer. Lifetimes excited states in Cu nuclei were measured with recoil-distance Doppler-shift method. resulting electromagnetic matrix elements for transitions from 69,71,73Cu are used assess collective or single-particle character these...
Excited states in the nucleus $^{133}\mathrm{Sn}$, with one neutron outside double magic $^{132}\mathrm{Sn}$ core, were populated following one-neutron knockout from a $^{134}\mathrm{Sn}$ beam on carbon target at relativistic energies Radioactive Isotope Beam Factory RIKEN. Besides $\ensuremath{\gamma}$ rays emitted decay of known single-particle $^{133}\mathrm{Sn}$ additional strength energy range 3.5--5.5 MeV was observed for first time. Since neutron-separation is low,...
Excited states in B10 were populated with the B10(p,p′γ)B10* reaction at 8.5 MeV and their γ decay was investigated via coincidence γ-ray spectroscopy. The emitted rays measured using large-volume LaBr3:Ce CeBr3 detectors placed anti-Compton shields. This allowed observation of weak transitions, such as M3 transition between Jπ,T=0+,1 isobaric analog state (IAS) Jπ,T=3+,0 ground E2 Jπ,T=21+,0 IAS, i.e., performing measurements branching ratios level λ≥10−4. For first time B10, competing M1...
Background: The neutron-deficient osmium isotopic chain provides a great laboratory for the study of shape evolution, with transition from soft triaxial rotor in $^{168}\mathrm{Os}$ to well-deformed prolate $^{180}\mathrm{Os}$, while coexistence appears around $N=96$ $^{172}\mathrm{Os}$. Therefore, Os should provide better understanding changes nuclei and detailed scrutiny nuclear structure calculations. In this paper, lifetimes low-lying yrast states $^{170}\mathrm{Os}$ have been measured...
The half-life of the 2305-keV, ${I}^{\ensuremath{\pi}}={4}^{(\ensuremath{-})}$ intruder state in ${}^{34}$P has been measured as ${t}_{1/2}=2.0(1)$ ns using $\ensuremath{\gamma}$-ray coincidence, fast-timing techniques with Bucharest HPGe and LaBr${}_{3}$:Ce detector array. Excited states were populated ${}^{18}$O${(}^{18}\text{O},pn$${)}^{34}$P fusion-evaporation reaction at a beam energy 36 MeV. Reduced transition probabilities have calculated for different values $M2/E3$ mixing ratio,...
The neutron-rich nucleus $^{200}\mathrm{Pt}$ is investigated via in-beam $\ensuremath{\gamma}$-ray spectroscopy to study the shape evolution in platinum isotopes towards $N=126$ shell closure. two-neutron transfer reaction $^{198}\mathrm{Pt}$($^{82}\mathrm{Se}, ^{80}\mathrm{Se}$)$^{200}\mathrm{Pt}$ used populate excited states of $^{200}\mathrm{Pt}$. Advanced Gamma Ray Tracking Array (AGATA) demonstrator coupled with PRISMA spectrometer detects $\ensuremath{\gamma}$ rays coincident...
A precise measurement of the g factor first-excited state in self-conjugate (N=Z) nucleus (24)Mg is performed by a new time-differential recoil-in-vacuum method based on hyperfine field hydrogenlike ions. Theory predicts that factors such states, which protons and neutrons occupy same orbits, should depart from 0.5 few percent due to configuration mixing meson-exchange effects. The experimental result, g=0.538±0.013, excellent agreement with recent shell-model calculations shows departure...
The gyromagnetic factor of the low-lying E=251.96(9) keV isomeric state nucleus ^{99}Zr was measured using time-dependent perturbed angular distribution technique. This level is assigned a spin and parity J^{π}=7/2^{+}, with half-life T_{1/2}=336(5) ns. isomer produced aligned via abrasion-fission ^{238}U primary beam at RIKEN RIBF. A magnetic moment |μ|=2.31(14)μ_{N} deduced showing that this not single particle in nature. comparison experimental values interacting boson-fermion model...
The excited states of unstable $^{20}$O were investigated via $\gamma$-ray spectroscopy following the $^{19}$O$(d,p)^{20}$O reaction at 8 $A$MeV. By exploiting Doppler Shift Attenuation Method, lifetime 2$^+_2$ and 3$^+_1$ firmly established. From branching E2/M1 mixing ratios for transitions deexciting states, B(E2) B(M1) determined. Various chiral effective field theory Hamiltonians, describing nuclear properties beyond ground along with a standard USDB interaction, compared experimentally...
A lifetime measurement of the 19/2− state in 207Pb has been performed using Recoil Distance Doppler-Shift (RDDS) method. The nuclei interest were produced multi-nucleon transfer reactions induced by a 208Pb beam impinging on 100Mo enriched target. beam-like detected and identified terms their atomic mass number VAMOS++ spectrometer while prompt γ rays AGATA tracking array. measured large reduced transition probability B(E3,19/2−→13/2+)=40(8) W.u. is first indication octupole phonon at high...
Abstract The new facility, Extreme Light Infrastructure – Nuclear Physics (ELI-NP), is a combined laser-gamma nuclear physics research facility currently undergoing its final implementation stages in Măgurele near Bucharest, Romania. It already hosts two fully-operational 10 PW laser arms and, by 2023, it will also house γ-beam system based on Compton backscattering, capable of delivering high-brilliance, low-energy beam at E γ ≲ 19.5 MeV. Owing to this unique instrumentation combination,...
The existing experimental data for the γ decay of stable N=Z doubly-odd nuclei and β corresponding isospin multiplets is reviewed. structure lightest with masses A≤14 used to test constrain ab initio nuclear theories. Most were obtained in second half last century and, some cases, lack needed precision comparison theoretical calculations. Recent spectroscopic studies N = Z are discussed, as well open problems related understanding their structures ideas future experiments.
The nucleus $^{100}\mathrm{Ru}$ appears to be a good candidate for the E(5) critical point symmetry which describes U(5)-SO(6) shape phase transition. To investigate this with respect electromagnetic transition strengths, lifetime measurements of its yrast states have been performed using recoil distance Doppler shift technique as well attenuation method. As result, lifetimes ${2}^{+}$, ${4}^{+}$, and ${8}^{+}$ were determined. deduced strengths are compared predictions results excited...