120 citations · 368 across the 21 of their papers we have counts for
22 papers
Probing high-momentum components in O via zero-degree cross-section ratios
FRS Experiment Collaboration, X. Wang, H. J. Ong +40
The OO reaction was measured at zero degrees for incident-proton energies of 403, 604, 907 and 1209 MeV. Cross-section ratios for the 6.18-MeV (3/2) and 5.24…
Excitation Spectra of the Reaction near the -Meson Emission Threshold Measured in Coincidence with High-Momentum Protons
R. Sekiya, K. Itahashi, Y. K. Tanaka +74
The missing mass of the reaction has been measured near the -meson emission threshold in coincidence with a high-momentum proton to selectively collect $η…
Observation of Tensor-Driven High-Momentum Neutrons in O via () Reactions and Zero-Degree Deuteron Momentum Spectroscopy
X. Wang, H. J. Ong, S. Terashima +42
The reaction has been studied at using 403-, 604-, 907- and 1209-MeV protons, comparing cross sections populating positive- and ne…
Performance of newly constructed plastic scintillator barrel in the WASA-FRS experiments and evaluation of radiation damage effects on multi-pixel photon counter
Y. K. Tanaka, R. Sekiya, K. Itahashi +70
A barrel-shaped plastic scintillation counter with Multi-Pixel Photon Counter (MPPC) readout has been developed and operated in the first WASA-FRS experimental campaign at GSI. The…
Precision mass measurements of Sr using TITAN's Multiple-Reflection Time-of-Flight Mass Spectrometer
Z. Hockenbery, T. Murböck, B. Ashrafkhani +29
We report precision mass measurements of Sr performed with the TITAN Multiple-Reflection Time-of-Flight Mass Spectrometer. This marks a first time mass measurement of $^{…
First investigation on the isomeric ratio in multinucleon transfer reactions: Entrance channel effects on the spin distribution
D. Kumar, T. Dickel, A. Zadvornaya +39
The multinucleon transfer (MNT) reaction approach was successfully employed for the first time to measure the isomeric ratios (IRs) of Po (25/2) isomer and its (9/2…
Increasing the rate capability for the cryogenic stopping cell of the FRS Ion Catcher
J. W. Zhao, D. Amanbayev, T. Dickel +45
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 ul…
Recent Upgrades of the Gas Handling System for the Cryogenic Stopping Cell of the FRS Ion Catcher
A. Mollaebrahimi, D. Amanbayev, S. Ayet San Andrés +15
In this paper, the major upgrades and technical improvements of the buffer gas handling system for the cryogenic stopping cell of the FRS Ion Catcher at GSI/FAIR (in Darmstadt, Ger…
Mean range bunching of exotic nuclei produced by in-flight fragmentation and fission -- Stopped-beam experiments with increased efficiency
Timo Dickel, Christine Hornung, Daler Amanbayev +24
The novel technique of mean range bunching has been developed and applied at the projectile fragment separator FRS at GSI in four experiments of the FAIR phase-0 experimental progr…
Storage, Accumulation and Deceleration of Secondary Beams for Nuclear Astrophysics
J. Glorius, Yu. A. Litvinov, M. Aliotta +61
Low-energy investigations on rare ion beams are often limited by the available intensity and purity of the ion species in focus. Here, we present the first application of a techniq…
Studying Gamow-Teller transitions and the assignment of isomeric and ground states at
Ali Mollaebrahimi, Christine Hornung, Timo Dickel +50
Direct mass measurements of neutron-deficient nuclides around the shell closure below Sn were performed at the FRS Ion Catcher (FRS-IC) at GSI, Germany. The nuclei w…
Mapping the Island of Inversion: Precision Mass Measurements of Neutron-rich Fe Isotopes
W. S. Porter, B. Ashrafkhani, J. Bergmann +32
Nuclear properties across the chart of nuclides are key to improving and validating our understanding of the strong interaction in nuclear physics. We present high-precision mass m…
Mass measurements of Ga reduce x-ray burst model uncertainties and extend the evaluated isobaric multiplet mass equation
S. F. Paul, J. Bergmann, J. D. Cardona +27
We report precision mass measurements of neutron-deficient gallium isotopes approaching the proton drip line. The measurements of Ga performed with the TITAN multiple-ref…
Separation of atomic and molecular ions by ion mobility with an RF carpet
Ivan Miskun, Timo Dickel, Samuel Ayet San Andres +16
Gas-filled stopping cells are used at accelerator laboratories for the thermalization of high-energy radioactive ion beams. Common challenges of many stopping cells are a high mole…
A Novel Method for the Measurement of Half-Lives and Decay Branching Ratios of Exotic Nuclei
Ivan Miskun, Timo Dickel, Israel Mardor +28
A novel method for simultaneous measurement of masses, Q-values, isomer excitation energies, half-lives and decay branching ratios of exotic nuclei has been demonstrated. The metho…
High-resolution, accurate MR-TOF-MS for short-lived, exotic nuclei of few events in their ground and low-lying isomeric states
S. Ayet, C. Hornung, J. Ebert +37
Mass measurements of fission and projectile fragments, produced via U and Xe primary beams, have been performed with the multiple-reflection time-of-flight mass spe…
Mass Measurements of Neutron-Rich Gallium Isotopes Refine Production of Nuclei of the First r-Process Abundance Peak in Neutron Star Merger Calculations
M. P. Reiter, S. Ayet San Andrés, S. Nikas +33
We report mass measurements of neutron-rich Ga isotopes Ga with TRIUMF's Ion Trap for Atomic and Nuclear science (TITAN). The measurements determine the masses of $^{80-8…
Dawning of the N=32 shell closure seen through precision mass measurements of neutron-rich titanium isotopes
E. Leistenschneider, M. P. Reiter, S. Ayet San Andrés +42
A precision mass investigation of the neutron-rich titanium isotopes Ti was performed at TRIUMF's Ion Trap for Atomic and Nuclear science (TITAN). The range of the measur…
Missing-mass spectroscopy of the reaction near the -meson production threshold
Y. K. Tanaka, K. Itahashi, H. Fujioka +51
Excitation-energy spectra of C nuclei near the -meson production threshold have been measured by missing-mass spectroscopy using the C(,) reaction. A…
Measurement of excitation spectra in the C reaction near the emission threshold
Y. K. Tanaka, K. Itahashi, H. Fujioka +51
Excitation spectra of C were measured in the C reaction near the emission threshold. A proton beam extracted from the synchrotron SIS-18 at GSI with an in…
Spectroscopy of -nucleus bound states at GSI and FAIR --- very preliminary results and future prospects ---
H. Fujioka, Y. Ayyad, J. Benlliure +51
The possible existence of η'-nucleus bound states has been put forward through theoretical and experimental studies. It is strongly related to the η' mass at finite density, which…
Search for η'(958)-nucleus bound states by (p,d) reaction at GSI and FAIR
H. Fujioka, Y. Ayyad, J. Benlliure +51
The mass of the η' meson is theoretically expected to be reduced at finite density, which indicates the existence of η'-nucleus bound states. To investigate these states, we perfor…