M.N. Harakeh
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View article: Excitation Spectra of the ${}^{12}{\rm C}(p,d)$ Reaction near the $η'$-Meson Emission Threshold Measured in Coincidence with High-Momentum Protons
Excitation Spectra of the ${}^{12}{\rm C}(p,d)$ Reaction near the $η'$-Meson Emission Threshold Measured in Coincidence with High-Momentum Protons Open
The missing mass of the ${}^{12}{\rm C}(p,d)$ reaction has been measured near the $η'$-meson emission threshold in coincidence with a high-momentum proton to selectively collect $η'$-${}^{11}{\rm C}$ mesic nucleus formation events at GSI, …
View article: Direct mass measurement of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mmultiscripts> <mml:mi>Pd</mml:mi> <mml:mprescripts/> <mml:none/> <mml:mn>93</mml:mn> </mml:mmultiscripts> </mml:math> and implications for the isomer structures in <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mmultiscripts> <mml:mi>Ag</mml:mi> <mml:mprescripts/> <mml:none/> <mml:mn>94</mml:mn> </mml:mmultiscripts> </mml:math> : Tracing the two-proton decay branch
Direct mass measurement of and implications for the isomer structures in : Tracing the two-proton decay branch Open
The first direct mass measurement of Pd 93 , the one-proton-decay daughter of the ( 21 + ) isomer in Ag 94 , has been performed, resulting in a mass excess value of − 59 127 ( 35 ) keV and reducing the mass uncertain…
View article: Progress in the study of electric giant resonances over the last five decades
Progress in the study of electric giant resonances over the last five decades Open
A rich spectrum of giant resonances of different multipolarities and spin and isospin structure was expected on theoretical grounds. In the nineteen seventies, the isoscalar giant quadrupole resonance (ISGQR) was discovered in electron sca…
View article: First Study of the Pygmy Dipole Resonance via Neutron Inelastic Scattering at GANIL-SPIRAL2/NFS: Benchmarking the Method on the \(^{12}\)C \(2^+\) Excited State
First Study of the Pygmy Dipole Resonance via Neutron Inelastic Scattering at GANIL-SPIRAL2/NFS: Benchmarking the Method on the \(^{12}\)C \(2^+\) Excited State Open
The Pygmy Dipole Resonance is an exotic excitation mode whose microscopic nature is not yet fully understood. By using different probes in inelastic scattering reactions, it is possible to obtain complementary information on the character …
View article: Search for PDR and ISGQR in \(A\simeq 60\) and \(A=120\) Mass Regions
Search for PDR and ISGQR in \(A\simeq 60\) and \(A=120\) Mass Regions Open
Measurements of the \(\gamma \) decay from states above the neutron threshold in \(^{120}\)Sn, \(^{62}\)Ni, and \(^{58}\)Ni were performed at the Cyclotron Centre Bronowice (CCB) in Kraków, Poland. The experiment on \(^{120}\)Sn aims to st…
View article: Investigation of direct nuclear reactions in a storage ring using in-ring detection
Investigation of direct nuclear reactions in a storage ring using in-ring detection Open
Background: Experiments involving nuclear reactions in a storage ring offer exceptional possibilities for precise measurements in inverse kinematics. These experiments provide excellent angular and energy resolution by particle spectroscop…
View article: Magicity versus superfluidity around $^{28}$O viewed from the study of\n $^{30}$F
Magicity versus superfluidity around $^{28}$O viewed from the study of\n $^{30}$F Open
The neutron-rich unbound fluorine isotope $^{30}$F$_{21}$ has been observed\nfor the first time by measuring its neutron decay at the SAMURAI spectrometer\n(RIBF, RIKEN) in the quasi-free proton knockout reaction of $^{31}$Ne nuclei at\n23…
View article: Simultaneous impacts of nuclear shell structure and collectivity on $β$ decay: Evidence from $^{80}$Ga$_{49}$
Simultaneous impacts of nuclear shell structure and collectivity on $β$ decay: Evidence from $^{80}$Ga$_{49}$ Open
The Gamow-Teller strength distribution covering the entire $β$-decay window, up to 10.312(4) MeV, of $^{80g+m}$Ga was measured for the first time in photo fission of UC$_x$ induced by a 50 MeV electron beam. The new data show significant e…
View article: Study of the pygmy dipole resonance using neutron inelastic scattering at GANIL-SPIRAL2/NFS
Study of the pygmy dipole resonance using neutron inelastic scattering at GANIL-SPIRAL2/NFS Open
The pygmy dipole resonance (PDR) has been the subject of numerous studies, both experimental and theoretical. Indeed, the study of the PDR has been and still is of great interest since it allows to constrain the symmetry energy, an importa…
View article: Study of Gamow-Teller giant resonance in <sup>11</sup>Li drip-line nucleus
Study of Gamow-Teller giant resonance in <sup>11</sup>Li drip-line nucleus Open
Gamow-Teller (GT) transitions in an exotic neutron-rich nucleus 11Li have been measured via the 11Li(p,n)11Be reaction at 182 MeV/u in inverse kinematics at RI Beam Factory (RIBF) of RIKEN Nishina Center. The neutron detector array PANDORA…
View article: Splitting of the Pygmy Dipole Resonance
Splitting of the Pygmy Dipole Resonance Open
We report on experiments using the (α, α′ γ) method to investigate the structure of the Pygmy Dipole Resonance (PDR) in the nuclei ⁹⁴Mo, ¹²⁴Sn, ¹³⁸Ba and ¹⁴⁰Ce. The experiments were performed with the Big-Bite Spectrometer (BBS) at the KVI…
View article: Publisher Correction: First observation of 28O
Publisher Correction: First observation of 28O Open
View article: Nuclear-structure experiments at iThemba LABS to investigate discrepancies between (p, p′) and (γ, xn) data
Nuclear-structure experiments at iThemba LABS to investigate discrepancies between (p, p′) and (γ, xn) data Open
The iThemba Laboratory for Accelerator Based Sciences (iThemba LABS) is a centre of expertise and innovation in the field of nuclear-structure physics and is a leader in several high-impact studies. One of the highlights of these nuclear-s…
View article: Studies of three-and four-body hypernuclei with heavy-ion beams, nuclear emulsions and machine learning
Studies of three-and four-body hypernuclei with heavy-ion beams, nuclear emulsions and machine learning Open
Interests on few-body hypernuclei have been increased by recent results of experiments employing relativistic heavy ion beams. Some of the experiments have revealed that the lifetime of the lightest hypernucleus, hypertriton, is significan…
View article: First evidence for non 1− pygmy dipole resonance in neutron-rich nuclei
First evidence for non 1− pygmy dipole resonance in neutron-rich nuclei Open
We predict the existence of medium spin PDR and find experimental evidence in 80Ge using β-decay of 80Ga. This nucleus was produced in the photo-fission of 238U. A hybrid γ-ray spectrometer was developed using a plastic detector for β-tagg…
View article: Increasing the rate capability for the cryogenic stopping cell of the FRS Ion Catcher
Increasing the rate capability for the cryogenic stopping cell of the FRS Ion Catcher Open
At the FRS Ion Catcher (FRS-IC), projectile and fission fragments are produced at relativistic energies, separated in-flight, energy-bunched, slowed down, and thermalized in the ultra-pure helium gas-filled cryogenic stopping cell (CSC). T…
View article: Understanding the total width of the $3_{1}^{-}$ state in $\mathrm{^{12}C}$
Understanding the total width of the $3_{1}^{-}$ state in $\mathrm{^{12}C}$ Open
Recent measurements indicate that the previously established upper limit for the $γ$-decay branch of the $3_{1}^{-}$ resonance in $^{12}\textrm{C}$ at $E_{x} = 9.641(5)$ MeV may be incorrect. As a result, the $3_{1}^{-}$ resonance has been…
View article: Intruder configurations in $^{29}$Ne at the transition into the island of inversion: Detailed structure study of $^{28}$Ne
Intruder configurations in $^{29}$Ne at the transition into the island of inversion: Detailed structure study of $^{28}$Ne Open
Detailed $γ$-ray spectroscopy of the exotic neon isotope $^{28}$Ne has been performed for the first time using the one-neutron removal reaction from $^{29}$Ne on a liquid hydrogen target at 240~MeV/nucleon. Based on an analysis of parallel…