156 citations · 973 across the 20 of their papers we have counts for
20 papers · 1 filter
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…
Observation and spectroscopy of proton-unbound nucleus Al
D. Kostyleva, X. -D. Xu, I. Mukha +51
We report on the observation of previously-unknown isotope Al, the first unbound aluminum isotope located beyond the proton dripline. The Al nucleus decays by one-pro…
A new approach for deducing rms proton radii from charge-changing reactions of neutron-rich nuclei and the reaction-target dependence
J. -C. Zhang, B. -H. Sun, I. Tanihata +35
We report the charge-changing cross sections () of 24 -shell nuclides on both hydrogen and carbon at about 900 MeV, of which Li, $^{10\textendash12}$Be…
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…
Proton distribution radii of O: signatures of new shell closures and neutron skin
S. Kaur, R. Kanungo, W. Horiuchi +38
The root mean square radii of the proton density distribution in O derived from measurements of charge changing cross sections with a carbon target at 900 MeV to…
Towards the Limits of Existence of Nuclear Structure: Observation and First spectroscopy of the Isotope K by measuring its three-proton Decay
D. Kostyleva, I. Mukha, L. Acosta +44
The most-remote from stability isotope K, which is located four atomic mass units beyond the proton drip line, has been observed. It is unbound in respect to three-proton ($…
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…
Neutron skin and signature of the = 14 shell gap found from measured proton radii of N
S. Bagchi, R. Kanungo, W. Horiuchi +37
A thick neutron skin emerges from the first determination of root mean square radii of the proton distributions for N from charge changing cross section measurements arou…
Deep excursion beyond the proton dripline. I. Argon and chlorine isotope chains
I. Mukha, L. V. Grigorenko, D. Kostyleva +45
The proton-unbound argon and chlorine isotopes have been studied by measuring trajectories of their decay-in-flight products by using a tracking technique with micro-strip detector…
Spectroscopy of excited states of unbound nuclei Ar and Cl
X. -D. Xu, I. Mukha, L. V. Grigorenko +45
Several states of proton-unbound isotopes Ar and Cl were investigated by measuring their in-flight decay products, S+proton+proton and S+proton, respect…
-decay half-lives and -delayed neutron emission probabilities for several isotopes of Au, Hg, Tl, Pb and Bi, beyond N=126
R. Caballero-Folch, C. Domingo-Pardo, J. Agramunt +58
Previous measurements of -delayed neutron emitters comprise around 230 nuclei, spanning from the He up to La. Apart from Tl, with a minuscule…
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…
Proton distribution radii of C illuminate features of neutron halos
R. Kanungo, W. Horiuchi, G. Hagen +35
Proton radii of C densities derived from first accurate charge changing cross section measurements at 900 MeV with a carbon target are reported. A thick neutron surfac…
First measurement of several -delayed neutron emitting isotopes beyond N=126
R. Caballero-Folch, C. Domingo-Pardo, J. Agramunt +62
The -delayed neutron emission probabilities of neutron rich Hg and Tl nuclei have been measured together with -decay half-lives for 20 isotopes of Au, Hg, Tl, Pb and Bi in th…
Approaching the precursor nuclei of the third r-process peak with RIBs
C. Domingo-Pardo, R. Caballero-Folch, J. Agramunt +61
The rapid neutron nucleosynthesis process involves an enormous amount of very exotic neutron-rich nuclei, which represent a theoretical and experimental challenge. Two of the main…
Direct observation of long-lived isomers in Bi
L. Chen, P. M. Walker, H. Geissel +40
Long-lived isomers in 212Bi have been studied following 238U projectile fragmentation at 670 MeV per nucleon. The fragmentation products were injected as highly charged ions into t…
Discovery and Cross-Section Measurement of Neutron-Rich Isotopes in the Element Range from Neodymium to Platinum at the FRS
J. Kurcewicz, F. Farinon, H. Geissel +46
With a new detector setup and the high-resolution performance of the fragment separator FRS at GSI we discovered 57 new isotopes in the atomic number range of 60: \…
Observation of Non-Exponential Orbital Electron Capture Decays of Hydrogen-Like Pr and Pm Ions
Yu. A. Litvinov, F. Bosch, N. Winckler +37
We report on time-modulated two-body weak decays observed in the orbital electron capture of hydrogen-like Pr and Pm ions coasting in an ion storage…
Measurement of the and orbital electron-capture decay rates in fully-ionized, hydrogen-like, and helium-like Pr ions
Yu. A. Litvinov, F. Bosch, H. Geissel +39
We report on the first measurement of the - and orbital electron capture decay rates of Pr nuclei with the most simple electron configurations: bare nuclei, hydrogen-l…
Present and Future Experiments with Stored Exotic Nuclei at Relativistic Energies
H. Geissel, Yu. A. Litvinov, B. Pfeiffer
Recent progress is presented from experiments on masses and lifetimes of bare and few-electron exotic nuclei at GSI.